CN219680498U

CN219680498U - Brush head module for cleaning machine and cleaning machine

Info

Publication number: CN219680498U
Application number: CN202320373326.3U
Authority: CN
Inventors: 周瑞瑞; 郑军妹; 张旭东
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2023-02-27
Filing date: 2023-02-27
Publication date: 2023-09-15
Anticipated expiration: 2033-02-27

Abstract

The utility model relates to a brush head module for a cleaning machine and the cleaning machine, wherein the brush head module for the cleaning machine comprises a shell, a cleaning brush and a flexible scraping plate, and also comprises a mounting plate, wherein the mounting plate extends along the left-right direction, is at least partially positioned below the shell and is positioned behind the cleaning brush, the rear side of the mounting plate can be rotatably arranged at the corresponding position of the shell so that the front side of the mounting plate can rotate back and forth relative to the shell, and the flexible scraping plate is arranged at the front side of the mounting plate; the elastic piece acts on the mounting plate, so that the front side of the mounting plate always has a trend of moving towards the shell. When the large garbage touches the flexible scraping plate, the flexible scraping plate rotates backwards, so that the risk of garbage blocking is reduced, and a good obstacle avoidance effect is achieved; the flexible scraper bottom edge forms the dirt absorbing mouth with the region of opening except the back border, when flexible scraper backward rotates, has increased the area of dirt absorbing mouth's air inlet region, has increased dirt absorbing area.

Description

Brush head module 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 brush head module for a cleaning machine and the cleaning machine.

Background

Currently, the cleaning machine is a floor washing machine or a floor sweeping machine, and sucks a mixture of dust and the like mixed with water vapor on the floor into a storage cavity of the cleaning machine.

The prior cleaning machine, such as a brush head module for cleaning machine and cleaning machine of the Chinese patent application filed by the inventor, has the patent number ZL202023140311.8 (issued with the publication number CN 215191247U), and the brush head module for cleaning machine comprises a shell and a brush head, wherein the shell is internally provided with a cavity, the cavity is provided with a dust collection opening with a downward opening and an air outlet communicated with the dust collection opening in a fluid manner, and the air outlet is positioned at the downstream of the dust collection opening along an airflow flowing path; the brush head is rotatably arranged in the cavity and comprises a soft brush piece which is at least partially positioned below the dust collection opening, and a soft scraping plate is arranged at the periphery of the dust collection opening and positioned at the rear side of the brush head. The soft scraping plate is abutted against the surface to be cleaned, so that the surface to be cleaned is scraped, on one hand, water is distributed more uniformly, and on the other hand, the surface to be cleaned is better, but the scraping plate is easy to clamp when the obstacle is surmounted, so that the obstacle surmounting is influenced.

In order to solve the above technical problems, for example, chinese patent No. ZL202120496506.1 (issued to the public No. CN 215272478U) discloses that the movable portion of the dust scraping bar can be retracted or extended up and down, and when the movable portion is retracted relative to the fixed portion during the collision with an obstacle, so as to facilitate the obstacle crossing. The dust scraping strip can only stretch up and down, and certain obstacle avoidance capability is realized, but when the front side of the dust scraping strip collides with larger garbage in the forward travelling process, the lower part of the dust scraping strip is backwards turned under the pushing of the large garbage to be clamped on the lower cover, the lower cover is made of hard materials, the obstacle avoidance cannot be realized well, in addition, the large garbage cannot be sucked away after being clamped, and the effective air inlet area of the dirt suction port cannot be changed, so that the cleaning capability is influenced.

Accordingly, there is a need for further improvements to existing brush head modules.

Disclosure of Invention

The first technical problem to be solved by the present utility model is to provide a brush head module for a cleaning machine, which can reliably avoid large obstacles and can adjust the size of an air inlet area of a dirt suction port.

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

The technical scheme adopted by the utility model for solving the first technical problem is as follows: a brush head module for a cleaning machine, for advancing the cleaning machine, comprising:

a housing having a chamber extending in a left-right direction inside thereof, an opening communicating with the chamber at a bottom thereof, and an air outlet communicating with the chamber;

a cleaning brush for cleaning the floor to be cleaned, rotatably disposed in the chamber;

a flexible scraper extending in the left-right direction and located at the rear edge of the opening;

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

a mounting plate extending in a left-right direction, at least partially below the housing and behind the cleaning brush, the rear side of the mounting plate rotatably provided at a corresponding position of the housing so that the front side thereof rotates back and forth with respect to the housing, the flexible blade being mounted on the front side of the mounting plate;

and an elastic member acting on the mounting plate so that the front side of the mounting plate always has a tendency to move toward the housing.

The mounting plate in the brush head module is arranged behind the cleaning brush, the rear side of the mounting plate can be rotatably arranged at the corresponding position of the shell to enable the front side of the mounting plate to rotate back and forth (the rotation axis of the rear side of the mounting plate is along the left-right direction), the flexible scraping plate is arranged on the front side of the mounting plate, the flexible scraping plate rotates back and forth along with the mounting plate, and when large garbage touches the flexible scraping plate in the travelling process of the cleaning machine, the flexible scraping plate rotates backwards, so that the risk of clamping garbage is reduced, and a good obstacle avoidance effect is achieved; the flexible scraper bottom edge forms the dirt absorbing mouth with the region of opening except the back border, when flexible scraper backward rotates, has increased the area of dirt absorbing mouth's air inlet region, has increased dirt absorbing area.

The flexible blade may be arranged obliquely or vertically, and it is preferable that the flexible blade be gradually inclined forward from top to bottom in view of better scraping of the floor to be cleaned.

In order to better achieve the obstacle avoidance capability, the whole mounting plate is gradually inclined forwards from top to bottom, and the acute included angle formed by the mounting plate and the horizontal plane is smaller than the acute included angle formed by the flexible scraping plate and the horizontal plane.

In order to realize the installation of the flexible scraper, the front side of the installation plate is provided with a convex part extending forwards, and the rear surface of the flexible scraper is provided with a slot for the convex part to be inserted into at the position corresponding to the convex part.

For better barrier passing, the flexible scraping plate is positioned partially below the mounting plate, and the slot is formed in the rear surface of the flexible scraping plate and is adjacent to the lower part. The flexible scraper blade is located under the mounting panel, when the cleaning machine is in the process of advancing forward, when encountering the obstacle, the lower part of the flexible scraper blade can be turned back when the flexible scraper blade rotates backwards along with the mounting panel, so that the obstacle can be better supplied to pass through, and a better obstacle avoidance effect is obtained.

The protruding portion may be in the form of a protrusion or a protruding strip, and in order to facilitate quick installation, it is preferable that the protruding portion extends in the left-right direction, and the front surface of the protruding portion is an inclined surface that gradually inclines forward from top to bottom.

The elastic member may take the form of a reed or a tension spring, but preferably, the elastic member is a tension spring located between the housing and the mounting plate, the upper end of the tension spring is connected with the housing, and the lower end of the tension spring is connected with the mounting plate.

The cleaning brush may take the form of a disk brush or a roll brush, but preferably the cleaning brush is a roll brush extending in the left-right direction, and the rotation axis of the roll brush extends in the left-right direction.

In order to further improve the reliability of the installation of the flexible scraping plate, the rear wall surface of the cavity is backwards recessed to form a caulking groove in which the upper end of the flexible scraping plate is located, and the inner wall surface of the flexible scraping plate and the inner peripheral wall of the cavity are located on the same cylindrical surface.

In order to realize the rotation connection of mounting panel and casing, the casing has two at least along controlling the direction interval arrangement and all downwardly extending's stabilizer blade, be equipped with the mounting hole that supplies the first end of the installation axle that extends about to insert wherein on the stabilizer blade, the axis of installation axle is the axis of rotation of mounting panel promptly, the mounting panel has seted up in the position of corresponding stabilizer blade and supplies the jack that the stabilizer blade penetrated, and has the shaft hole that supplies the second end of corresponding installation axle to insert wherein in one side of jack.

In order to facilitate the disassembly and assembly of the mounting plate and the flexible scraping plate, a notch which is vertically communicated with the shaft hole and communicated with the shaft hole is formed in the bottom of the corresponding shaft hole of the mounting plate, and the notch extends along the axial direction of the mounting shaft so as to allow the mounting shaft to pass through.

The shell can be in the form of an integral piece or a split piece, but from the viewpoints of convenient cleaning and the like, preferably, the shell comprises a bottom shell and a bottom plate arranged below a rear wall plate of the bottom shell, the bottom shell and the bottom plate are enclosed to form the cavity, the support legs are positioned on the bottom plate, and the elastic piece is positioned between the bottom plate and the mounting plate.

In order to realize the installation of bottom plate and drain pan, the front portion of bottom plate top surface has the extension board that upwards extends, the rear portion of extension board top surface has the extension strip that upwards extends, the diapire of drain pan is seted up in the position that corresponds the extension strip and is supplied the mounting groove that the extension strip inserts wherein.

In order to avoid the risk of increasing the card garbage due to the existence of the steps, the inner peripheral wall of the bottom shell and the front wall surface of the extension plate are positioned on the same cylindrical surface.

The utility model solves the second technical problem by adopting the technical proposal that: the utility model provides a cleaning machine, including brush head module, its characterized in that: the cleaning machine further comprises an organism, the shell is relatively fixed on the organism, a through hole which penetrates up and down is formed in the position of the corresponding opening of the organism, the flexible scraping plate and the cleaning brush are both located below the through hole locally, and the flexible scraping plate is located at the rear edge of the through hole and can rotate relative to the rear edge of the through hole.

The cleaning machine may be a sweeper or a scrubber, but preferably the cleaning machine is a sweeper.

Compared with the prior art, the utility model has the advantages that: the mounting plate in the brush head module is arranged behind the cleaning brush, the rear side of the mounting plate can be rotatably arranged at the corresponding position of the shell so that the front side of the mounting plate rotates along the front-rear direction, and as the flexible scraping plate is arranged at the front side of the mounting plate, the flexible scraping plate rotates along with the mounting plate, and in the travelling process of the cleaning machine, when large garbage touches the flexible scraping plate, the flexible scraping plate rotates backwards, so that the risk of clamping garbage is reduced, a good obstacle avoidance effect is achieved, and after obstacle avoidance, the flexible scraping plate moves towards the shell direction to the initial position under the action of the elastic piece; the flexible scraper bottom edge forms the dirt absorbing mouth with the region of opening except the back border, when flexible scraper backward rotates, has increased the area of dirt absorbing mouth's air inlet region, has increased dirt absorbing area.

Drawings

Fig. 1 is a schematic view of a part of the structure of a sweeper of the present embodiment;

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

FIG. 3 is a cross-sectional view of the brush head module of FIG. 1;

FIG. 4 is a schematic perspective exploded view of a portion of the structure of the brush head module of FIG. 1;

fig. 5 is an enlarged schematic view of the portion I in fig. 3.

Detailed Description

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

As shown in fig. 1 and 2, the cleaning machine of this embodiment is a sweeper. The aforementioned sweeper comprises an organism 5, a brush head module, a fan (not shown) and a separation module (not shown) for separating the water and dust mixture. Along the fluid flow path, the separation module is located between the brush head module and the fan, and the brush head module, the separation module and the fan are in fluid communication, and the fan and the separation module in this embodiment adopt structures in the prior art, which will not be described in detail in this embodiment. The following is preceded by the travel direction of the sweeper.

As shown in fig. 2 to 5, the brush head module of the present embodiment includes a housing 1, a cleaning brush, a flexible blade 3, a mounting plate 4, and an elastic member. The housing 1 is relatively fixed to the body 5, and the housing 1 has a chamber 10 extending in the left-right direction inside. The bottom of the housing 1 has an opening 101 communicating with the chamber 10, and the rear of the housing 1 has an air outlet 103 communicating with the chamber 10. Specifically, the casing 1 includes a bottom case 11 and a bottom plate 12 disposed below a rear wall plate of the bottom case 11, and the air outlet 103 is disposed on the bottom case 11. The bottom case 11 and the bottom plate 12 enclose the chamber 10 described above. To achieve the mounting of the bottom plate 12 and the bottom case 11, the front portion of the top surface of the bottom plate 12 has an extension plate 121 extending upward, the rear portion of the top surface of the extension plate 121 has an extension bar 1211 extending upward, and the bottom wall of the bottom case 11 is provided with a mounting groove 111 for inserting the extension bar 1211 therein at a position corresponding to the extension bar 1211. Further, the inner peripheral wall of the bottom case 11 is on the same cylindrical surface as the front wall surface of the extension plate 121. As shown in fig. 1 to 4, the cleaning brush is a roller brush 2 for cleaning a floor surface to be cleaned, and is extended in a left-right direction, the roller brush 2 is rotatably provided in the chamber 10, and a rotation axis of the roller brush 2 is extended in the left-right direction.

As shown in fig. 1 to 4, the mounting plate 4 extends in the left-right direction, is located below the housing 1, and is located behind the roll brush 2. In this embodiment, the mounting plate 4 is inclined gradually forward from top to bottom. The rear side of the aforementioned mounting plate 4 is rotatably provided at a corresponding position of the housing 1, and the rotation axis of the mounting plate 4 extends in the left-right direction. To achieve a rotational connection of the mounting plate 4, the base plate 12 has at least two legs 120 which are arranged at intervals in the left-right direction and each extend downwards, two legs 120 in the present embodiment. The structure of each of the legs 120 is the same as the mounting plate, and one of the legs 120 will be described as an example.

The leg 120 is provided with a mounting hole into which a first end of a mounting shaft 122 extending in the left-right direction is inserted, and an axis of the mounting shaft 122 is a rotation axis of the mounting plate 4. The mounting plate 4 is provided with insertion holes 42 through which the legs 120 are inserted at positions corresponding to the legs 120, and has shaft holes 43 at one side of the insertion holes 42 into which the second ends of the corresponding mounting shafts 122 are inserted. The legs 120 are inserted into the receptacles 42 and the mounting shafts correspondingly pass through the legs 120 and receptacles 43 to effect a rotational connection of the mounting plate to the base plate. In order to facilitate the assembly and disassembly of the mounting shaft, the mounting plate 4 is provided with a notch 431 which penetrates up and down and is communicated with the shaft hole 43 at the bottom of the corresponding shaft hole 43, and the notch 431 extends along the axial direction of the mounting shaft 122 so as to allow the mounting shaft 122 to pass through.

In order to scrape the floor to be cleaned, as shown in fig. 1 and 2, the flexible scraper 3 extends in the left-right direction, is positioned at the rear edge of the opening 101, and gradually slopes forward from top to bottom, and the acute angle formed by the mounting plate 4 and the horizontal plane is smaller than the acute angle formed by the flexible scraper 3 and the horizontal plane. The machine body 5 is provided with a through hole 51 which penetrates up and down at a position corresponding to the opening 101, the flexible scraping plate 3 and the cleaning brush are both positioned locally below the through hole 51, and the flexible scraping plate 3 is positioned at the rear edge of the through hole 51.

In order to have a good obstacle avoidance capability, as shown in fig. 2 and 5, the flexible blade 3 is mounted on the front side of the mounting plate 4 to rotate back and forth together with the mounting plate 4, so that the flexible blade 3 can rotate with respect to the rear edge of the through hole 51. Specifically, the flexible blade 3 is partially positioned under the mounting plate 4, and the slot 31 is opened at a position adjacent to the lower portion of the rear surface of the flexible blade 3. In order to achieve the mounting of the mounting plate and the flexible blade, the front side of the mounting plate 4 has a convex portion 41 extending forward, the convex portion 41 extends in the left-right direction, and the front surface of the convex portion 41 is an inclined surface 411 gradually inclining forward from top to bottom, and the rear surface of the flexible blade 3 is provided with a slot 31 for the convex portion 41 to be inserted therein at a position corresponding to the convex portion 41. In addition, the rear wall surface of the chamber 10 is recessed rearward to form a caulking groove 102 in which the upper end of the flexible blade 3 is located, and the inner wall surface of the flexible blade 3 is located on the same cylindrical surface as the inner peripheral wall of the chamber 10.

The elastic element acts on the mounting plate 4, so that the mounting plate 4 always has a tendency to move in the direction of the housing. In this embodiment, as shown in fig. 4, there are three elastic members, and each elastic member has the same structure and installation manner, and one elastic member will be described as an example. The elastic member is a tension spring 6 located between the base plate 12 and the mounting plate 4. The upper end of the tension spring 6 is connected with the bottom plate 12 of the shell 1, and the lower end of the tension spring 6 is connected with the mounting plate 4.

The flexible scraping plate in the brush head module is arranged on the mounting plate, the mounting plate is arranged behind the cleaning brush, and the rear side of the mounting plate can be rotatably arranged at the corresponding position of the shell, so that the flexible scraping plate rotates back and forth along with the mounting plate, and when large garbage touches the flexible scraping plate in the travelling process of the cleaning machine, the flexible scraping plate rotates backwards, the risk of clamping garbage is reduced, and a good obstacle avoidance effect is achieved; the flexible scraper bottom edge forms the dirt absorbing mouth with the region of opening except the back border, when flexible scraper backward rotates, has increased the area of dirt absorbing mouth's air inlet region, has increased dirt absorbing area.

In the description and claims of the present utility model, terms indicating directions, such as "front", "rear", "left", "right", 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 head module for a cleaning machine, for advancing the cleaning machine, comprising:

a housing (1) having a chamber (10) extending in the left-right direction in the housing, the bottom of the housing having an opening (101) communicating with the chamber (10), the housing (1) having an air outlet (103) communicating with the chamber (10);

a cleaning brush for cleaning a floor to be cleaned, rotatably provided in the chamber (10);

a flexible blade (3) extending in the left-right direction and located at the rear edge of the opening (101);

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

a mounting plate (4) extending in the left-right direction at least partially below the housing (1) and behind the cleaning brush, the rear side of the mounting plate (4) being rotatably provided at a corresponding position of the housing (1) so that the front side thereof rotates back and forth with respect to the housing (1), the flexible blade (3) being mounted on the front side of the mounting plate (4);

and an elastic member that acts on the mounting plate (4) and causes the front side of the mounting plate (4) to always have a tendency to move in the direction of the housing.

2. The brush head module of claim 1, wherein: the flexible scraping plate (3) gradually inclines forwards from top to bottom.

3. The brush head module of claim 2, wherein: the whole mounting plate (4) gradually inclines forwards from top to bottom, and an acute included angle formed by the mounting plate (4) and the horizontal plane is smaller than an acute included angle formed by the flexible scraping plate (3) and the horizontal plane.

4. The brush head module of claim 1, wherein: the front side of the mounting plate (4) is provided with a convex part (41) extending forwards, and the rear surface of the flexible scraping plate (3) is provided with a slot (31) for the convex part (41) to be inserted into at a position corresponding to the convex part (41).

5. The brush head module of claim 4, wherein: the convex part (41) extends along the left-right direction, and the front surface of the convex part (41) is an inclined surface (411) which gradually inclines forwards from top to bottom.

6. The brush head module of claim 4, wherein: the flexible scraping plate (3) is partially positioned below the mounting plate (4), and the slot (31) is formed in the position, adjacent to the lower part, of the rear surface of the flexible scraping plate (3).

7. The brush head module of claim 1, wherein: the elastic piece is a tension spring (6) positioned between the shell (1) and the mounting plate (4), the upper end of the tension spring (6) is connected with the shell (1), and the lower end of the tension spring (6) is connected with the mounting plate (4).

8. The brush head module of claim 1, wherein: the cleaning brush is a rolling brush (2) extending along the left-right direction, and the rotation axis of the rolling brush (2) extends along the left-right direction.

9. The brush head module of claim 1, wherein: the rear wall of the cavity (10) is provided with a recessed groove (102) in which the upper end of the flexible scraping plate (3) is located in a recessed mode, and the inner wall surface of the flexible scraping plate (3) and the inner peripheral wall of the cavity (10) are located on the same cylindrical surface.

10. The brush head module of any of claims 1-9, wherein: the shell (1) is provided with at least two supporting legs (120) which are arranged at intervals along the left-right direction and extend downwards, the supporting legs (120) are provided with mounting holes for inserting the first ends of mounting shafts (122) which extend left-right, the axis of the mounting shafts (122) is the rotation axis of the mounting plate (4), the mounting plate (4) is provided with inserting holes (42) for the supporting legs (120) to penetrate downwards at the positions corresponding to the supporting legs (120), and one side of each inserting hole (42) is provided with shaft holes (43) for inserting the second ends of the corresponding mounting shafts (122).

11. The brush head module of claim 10, wherein: the mounting plate (4) is provided with a notch (431) which is vertically penetrated at the bottom of the corresponding shaft hole (43) and is communicated with the shaft hole (43), and the notch (431) extends along the axial direction of the mounting shaft (122) so as to allow the mounting shaft (122) to pass through.

12. The brush head module of claim 10, wherein: the shell (1) comprises a bottom shell (11) and a bottom plate (12) arranged below a rear wall plate of the bottom shell (11), the bottom shell (11) and the bottom plate (12) are enclosed to form the cavity (10), the support legs (120) are located on the bottom plate (12), and the elastic piece is located between the bottom plate (12) and the mounting plate (4).

13. The brush head module of claim 12, wherein: the front part of the top surface of the bottom plate (12) is provided with an extending plate (121) extending upwards, the rear part of the top surface of the extending plate (121) is provided with an extending strip (1211) extending upwards, and the bottom wall of the bottom shell (11) is provided with a mounting groove (111) for inserting the extending strip (1211) at a position corresponding to the extending strip (1211).

14. The brush head module of claim 13, wherein: the inner peripheral wall of the bottom shell (11) and the front wall surface of the extension plate (121) are positioned on the same cylindrical surface.

15. The utility model provides a cleaning machine, including brush head module, its characterized in that: the brush head module is the brush head module according to any one of claims 1 to 14, the cleaning machine further comprises an organism (5), the shell (1) is relatively fixed on the organism (5), the organism (5) is provided with a through hole (51) which penetrates up and down at a position corresponding to the opening (101), the flexible scraping plate (3) and the cleaning brush are both positioned locally below the through hole (51), and the flexible scraping plate (3) is positioned at the rear edge of the through hole (51) and is arranged to rotate relative to the rear edge of the through hole (51).

16. The cleaning machine of claim 15, wherein: the cleaning machine is a sweeper.