CN114652196A - Brush head module for cleaning machine and cleaning machine - Google Patents

Abstract

The invention 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 dust collecting port with a downward opening and an air outlet communicated with the dust collecting port are arranged in the shell, and the air outlet is positioned at the downstream of the dust collecting port along an airflow flow path; the brush head is used for sweeping an object to be cleaned, can be rotatably arranged in the containing cavity and comprises a soft brush part which is at least partially positioned below the dust suction port; the method is characterized in that: the limiting piece is arranged in the containing cavity, is positioned on the rotating path of the brush piece and is used for preventing the hair from continuously moving around the rotating axis of the brush head and winding on the brush head; along the brush head's path of rotation, the air outlet is located the upstream of locating part. At the clear in-process of dust absorption, the locating part that is located the air outlet low reaches stops the hair, and the hair is discharged through the air outlet, prevents that the hair from further rotating around the brush head and twine on the brush head, reduces the clearance degree of difficulty to the brush head.

Description

A brush head module for cleaning machine and cleaning machine

technical field

The invention belongs to the field of household washing and cleaning, and particularly relates to a brush head module for a cleaning machine and a cleaning machine.

Background technique

The current sweeping cleaning machines with sweeping function include vacuum cleaners and sweeping robots, which mainly use a brushing method, and use a fan to suck the ground debris into the storage box inside thereof, thereby completing the function of ground cleaning.

For example, the Chinese invention patent application "Cleaning Equipment", whose patent application number is CN201911328923.9 (application publication number CN110881911A) discloses a cleaning equipment, the body is provided with a slot; the front collision is installed on the body; The cleaning assembly includes a drum for cleaning the ground, the drum is installed between the body and the front bumper; the collecting assembly is provided with a sewage outlet, and the collecting assembly is installed on the body and the drum between and in contact with the drum, for collecting and separating the garbage and sewage carried by the drum; and a water tank, with a sewage inlet, the water tank is detachably installed in the groove, and the sewage passes through the The sewage outlet and the sewage inlet flow into the water tank. When the cleaning equipment walks, it carries the drum to rotate. Since the drum will carry a wiper such as a rag to clean the ground, at this time, the wiper will carry garbage and sewage to roll along with the rolling of the drum.

Another example is the Chinese invention patent application "A Sweeping Robot", whose patent application number is CN202010145417.2 (application publication number CN111358367A) discloses a sweeping robot, which includes a rolling brush device, and the rolling brush device includes a fixed component, a A driving device and a roller brush main body; a cavity with an opening is provided at the bottom of the fixed assembly, the driving device includes a driving motor and a roller shaft, the roller shaft is rotatably arranged in the cavity, and the roller Several protrusions are arranged on the outer circumferential surface between the two ends of the shaft, and the main body of the roller brush is sleeved with the roller shaft.

The above cleaning equipment realizes the cleaning of the ground, but during the cleaning process, the hair is easily wound on the roller or the roller shaft. When cleaning the roller, the entangled hair needs to be cleaned, which increases the difficulty of cleaning the roller or the roller shaft.

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

SUMMARY OF THE INVENTION

The first technical problem to be solved by the present invention is to provide a brush head module for a cleaning machine that can suck up the hair in time and prevent it from being entangled by the hair, aiming at the current state of the prior art.

The second technical problem to be solved by the present invention is to provide a brush head module for a cleaning machine, which can quickly suck away the hair and simultaneously perform the functions of vacuuming and brushing the same position.

The third technical problem to be solved by the present invention is to provide a wet and dry cleaning machine.

The technical solution adopted by the present invention to solve the above-mentioned first technical problem is: a brush head module for a cleaning machine, comprising:

The housing has a cavity inside, the cavity has a dust suction port with an opening facing downward and an air outlet in fluid communication with the dust suction port, along the air flow path, the air outlet is located at the side of the dust suction port downstream;

A brush head, used for cleaning the object to be cleaned, is rotatably arranged in the cavity, and includes a soft brush member at least partially located under the dust suction port;

It is characterized in that it also includes

The limiting member is arranged in the cavity and located on the rotation path of the brush member, and is used to prevent the hair from continuing to move around the rotation axis of the brush head and wrapping around the brush head; along the rotation axis of the brush head In the rotation path, the air outlet is located upstream of the limiting member.

There are various structural forms of the limiting member, which may extend along the axis of rotation or be substantially perpendicular to the axis of rotation, but preferably, the limiting member is a limiting rod extending along the axis of rotation of the brush head. The limiting rod is arranged adjacent to the air outlet.

There are various structural forms of the brush head, but preferably, the brush head further includes a roller, the rotation axis of the roller is substantially horizontal, and the brush member includes an outer peripheral wall disposed on the roller A blade set on the upper part, the blade set includes a plurality of soft blades arranged at intervals along the circumference of the roller shaft.

There are various structural forms of the brush member, but preferably, the brush member further includes a brush column group disposed on the outer peripheral wall of the roller shaft, and the brush column group and the blade group are located along the roller shaft. Arranged in the axial direction, the brush column group includes at least one soft brush column arranged on the outer peripheral wall of the roller shaft and extending outward. The existence of the blade group can form a rotating flow field inside the air guide channel, so that dust, particulate matter, sewage, etc. are drawn into the interior and discharged from the air outlet.

Specifically, the brush columns are arranged in rows, the brush column group includes at least two rows and are arranged at intervals along the circumferential direction, and each row has at least two brush columns arranged at intervals along the axial direction of the roller shaft.

Preferably, the blades extend along the axial direction of the roller shaft, and each blade corresponds to a row of the brush columns.

Further preferably, there are at least two groups of the brush column groups, which are arranged at intervals along the axial direction of the roller shaft, and the blade groups are located between two adjacent groups of the brush column groups. The blades have an additive effect on the fluid, which can enhance the flow field in the central area of the fluid and reduce the residue of dirt in the central area.

Preferably, the number of rows of the two groups of the brush column groups is the same and arranged correspondingly, and the number of blades of the blade group is different from the number of rows of the brush columns in the brush column group.

In order to increase the cleaning degree of the object to be cleaned, the outer end surface of the blade and the outer end surface of the brush column in the same row are located on the same level, and one row of the brush column rotates to contact the limit rod and is located in the limit In the downstream state of the position rod, the outer ends of the row of brush columns and the corresponding blades are in contact with the corresponding positions of the cavity.

In order to evenly distribute the water on the surface of the object to be cleaned, a soft scraper is provided on the periphery of the dust suction port at the rear side of the brush head.

In order to discharge the mixed fluid entering into the air guide channel in time, the air outlet is opened at a position adjacent to the top of the casing, and an air guide channel is formed on the periphery of the air outlet obliquely upward.

In order to speed up the rapid inhalation of the mixed gas, the cross-sectional area of the air guide channel is gradually reduced along the air flow path.

The technical solution adopted by the present invention to solve the above-mentioned second technical problem is as follows: it further includes a liquid guide channel for communicating with the liquid supply assembly of the cleaning machine, and the liquid guide channel has a liquid outlet for facing the object to be cleaned .

The technical solution adopted by the present invention to solve the above-mentioned third technical problem is: a cleaning machine with the above-mentioned brush head module, which is characterized in that: it also includes a fan and a separation module for separating water and dust mixture, along the The air flow path, the separation module is located between the brush head module and the fan, the inlet of the separation module is in fluid communication with the air outlet of the brush head module, and the outlet of the separation module is in fluid communication with the air outlet of the fan. The import is connected.

Preferably, the cleaning machine is a vacuum cleaner or a sweeping robot.

Compared with the prior art, the present invention has the advantages that: the brush head module for the cleaning machine is provided with a limiter on the rotation path of the brush member, and along the rotation path of the brush head, the limiter is located at the outlet. Downstream of the air outlet, in the process of vacuuming and cleaning, the limiter located downstream of the air outlet blocks the hair, and the hair is discharged through the air outlet, preventing the hair from further rotating around the brush head and winding on the brush head, which is convenient for cleaning the hair. , and reduce the difficulty of cleaning the brush head.

Description of drawings

1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of the brush head module in FIG. 1;

Fig. 3 is the three-dimensional exploded structure schematic diagram of Fig. 2;

Fig. 4 is the sectional view of Fig. 2;

Fig. 5 is the structural representation of another angle of Fig. 2;

Fig. 6 is the structural representation of the brush head in Fig. 1;

7 is a cross-sectional view of the sewage outlet in the closed state of the sweeper of the present embodiment;

8 is a cross-sectional view of the open state of the sewage outlet in the sweeper of the present embodiment;

9 is a cross-sectional view of the separation module in FIG. 1;

Figure 10 is a cross-sectional view of another angle of the separation module in Figure 1;

Figure 11 is a schematic structural diagram of the air inlet channel in Figure 10;

FIG. 12 is a schematic structural diagram of the air guide in FIG. 10 .

Detailed ways

The present invention will be further described in detail below with reference to the embodiments of the accompanying drawings.

As shown in FIGS. 1 to 12 , the cleaning machine in the embodiment of the present invention is a sweeper, and the object to be cleaned is the ground.

As shown in Figures 1 to 7, the sweeper includes a brush head module 01, a fan 5 and a separation module 04 for separating water and dust mixtures. Along the airflow path, the separation module 04 is located in the brush head module 01, and the separation module 04 is located between the brush head module 01 and the fan 5 , the inlet of the separation module 04 communicates with the air outlet 113 of the air guide channel 11 of the brush head module 01 , and the outlet of the separation module 04 communicates with the inlet of the fan 5 . Under the action of the fan 5, a negative pressure will be formed in the brush head module 01 and the separation module 04, so that dust, water and other garbage are sucked into the brush head module 01 through the dust suction port 111, and then the separation module 04 will separate the The gas is discharged, and the fluid flow path refers to the direction indicated by the hollow arrow in FIG. 7 for details.

As shown in FIG. 1 to FIG. 5 , the above-mentioned brush head module for a cleaning machine includes a housing 1 , a brush head 13 and a limiting member. The interior of the housing 1 has a cavity 11, and the cavity 11 has a dust suction port 111 with an opening facing downward and an air outlet 113 in fluid communication with the dust suction port 111. Along the airflow path, the air outlet 113 is located at the dust suction port 111. Downstream; the aforementioned air outlet 113 is opened at a position adjacent to the top of the casing 1, and the periphery of the air outlet 113 is gradually inclined upward from front to back to form an air guide channel 17. Along the air flow path, the cross-sectional area of the air guide channel 17 gradually decreases. The casing 1 is provided with a liquid guide channel 12 for communicating with the liquid supply assembly of the cleaning machine. The liquid guide channel 12 has a liquid outlet 121 for facing the ground. Connected, see Figure 5 for details.

The brush head 13 is used to sweep the ground. As shown in FIG. 1 , the brush head 13 is rotatably arranged in the cavity 11 and includes a roller shaft 133 and a soft brush at least partially located under the dust suction port 111 Piece 130. Specifically, as shown in FIG. 2 , FIG. 3 and FIG. 6 , the rotation axis of the roller shaft 133 is arranged substantially horizontally, and the brush member 130 includes a blade group 134 and a brush column group 135 arranged on the outer peripheral wall of the roller shaft 133 , such as As shown in FIG. 6 , the blade group 134 and the brush column group 135 are axially arranged along the roller shaft 133 . The brush column group 135 includes a plurality of soft brush columns 1351 arranged on the outer peripheral wall of the roller shaft 133 and extending outward. The brush columns 1351 are arranged in a row, specifically, the brush column group 135 includes at least two rows and are arranged at intervals along the circumferential direction, and each row has at least two brush columns 1351 arranged at intervals along the axial direction of the roller shaft 133 . The blade set 134 includes a plurality of soft blades 1341 spaced along the circumference of the roller shaft 133 , the blades 1341 extend along the axial direction of the roller shaft 133 , wherein each blade 1341 corresponds to a row of brush posts 1351 .

As shown in FIG. 3 and FIG. 6 , the above two groups of brush column groups 135 have the same number of rows and are arranged correspondingly. The outer end surface of the blade 1341 and the outer end surface of the brush column 1351 in the same row are located on the same horizontal plane. When one row of the brush column 1351 is rotated to contact with the limit rod 10 and is located downstream of the limit rod 10, as shown in Figure 4 As shown, the outer ends of the row of brush columns 1351 and the corresponding blades 1341 are in contact with the corresponding positions of the cavity 11 . In addition, as shown in FIG. 2 , a soft scraper 16 is provided on the periphery of the dust suction port 111 on the rear side of the brush head 13 , wherein the sweeper travels in the forward direction.

The above-mentioned limiting member is arranged in the cavity 11 and is located on the rotation path of the brush member 130 to prevent the hair 06 from continuing to move around the rotation axis of the brush head 13 and being wound on the brush head 13, and along the rotation axis of the brush head 13. In the rotation path, the air outlet 113 is located upstream of the limiting member. As shown in FIGS. 4 , 5 and 7 , the limiting member in this embodiment is a limiting rod 10 extending along the rotation axis of the brush head 13 , and the limiting rod 10 is disposed adjacent to the air outlet 113 . In this way, as shown in FIG. 4 , when hair enters the chamber 11 , the hair is discharged into the separation module 04 through the air guide channel 17 under the blocking of the limiting rod 1 .

As shown in FIGS. 7 to 12 , the separation module 04 in this embodiment includes a housing 4 , a flow guide duct 45 , an air guide member 46 , an air inlet passage 47 , a blocking member 48 , an elastic member and a mixing passage 49 .

Along the fluid flow path, as shown in FIG. 7 and FIG. 8 , the housing 4 has a cavity 41 inside, and the cavity 41 has an air inlet 400 and an air outlet 401 in fluid communication with the air inlet 400 , wherein the air inlet 400 For supplying air tangentially into the cavity 41 , the air inlet 400 is substantially tangentially opened on the side wall of the cavity 41 , and the air outlet 401 is opened on the top wall of the housing 4 . As shown in FIG. 9 , the housing 4 has a mixing channel 49 located upstream of the air inlet 400 , and adjacent to the air inlet 400 , the mixing channel 49 has a reduced section 491 with a gradually decreasing cross-sectional area along the air flow path, so as to reduce the air intake The airflow that is about to enter the air inlet 400 is accelerated. Specifically, the mixing channel 49 is provided with a ventilation port 492 that communicates with the air guide channel 11 . In this embodiment, there are four air guide channels 11 which are independent of each other, and are arranged side by side at intervals, and each air guide channel 11 has a corresponding vent 492 .

As shown in FIG. 9 , the air inlet 400 is provided with an air inlet channel 47 , one end of the air inlet channel 47 is located in the reduced section 491 , and the other end of the air inlet channel 47 is located in the cavity 41 . In order to automatically adjust the air volume entering the cavity according to the air volume, as shown in FIG. 9 , along the fluid flow path, the air inlet channel 47 includes a first constricted section 471 with a gradually decreasing cross-sectional area, and a gradually enlarged cross-sectional area. The expanding section 472 and the second constricting section 473 with a gradually decreasing cross-sectional area, the end opening of the second constricting section 473 is an air outlet 4731 . The air inlet channel 47 is elastic as a whole, so the air outlet 4731 of the air inlet channel 47 can be stretched under the blowing action of the wind, and the air outlet 4731 always has a tendency to move in the shrinking direction under the action of its own elasticity, so , in the state that no air volume enters the cavity, it can well prevent the air volume in the cavity from diverting into the mixing channel.

As shown in FIG. 7 and FIG. 8 , the air guide duct 45 is located in the cavity 41 and is arranged adjacent to the air outlet 401 . In order to filter the gas flowing out of the air outlet, the air outlet 401 is covered with a filter element 43 . . Specifically, the air outlet 401 is formed with the above-mentioned guide air duct 45 extending downward along the periphery of the air outlet 401 , located downstream of the air inlet 400 along the fluid flow path, and in fluid communication with the air inlet 400 . The inside of the guide air duct 45 has a rotating flow channel for accelerating the rotational flow of the air flow. Specifically, as shown in FIG. 12 , an air guide member 46 is arranged in the guide air duct 45 , and the air guide member 46 includes a vertically arranged air guide member 46 . The inner connecting body 461 and the outer ring wall 463 located at the periphery of the inner connecting body 461. The outer ring wall 463 is installed on the inner wall of the air guide duct 45. Between the inner connecting body 461 and the outer ring wall 463, a plurality of circumferential The guide fins 462 are arranged at intervals, and an air outlet gap 460 is formed between two adjacent guide fins 462. Each guide fin 462 is inclined in the circumferential direction or/and the radial direction relative to a plane substantially perpendicular to the inner connecting body 461. , and the formed included angles are all the same acute angle, so that all the guide vanes 462 are arranged in a rotational direction along the flow direction of the fluid as a whole, so that all the air outlet gaps 460 are formed to rotate along the flow direction of the air flow. Rotate the runner.

The separated particles with large specific gravity are deposited to the bottom of the cavity. In order to facilitate the discharge of the deposited sewage and garbage in the cavity, the discharge path is shown in the direction indicated by the solid arrow in Figure 8, as shown in Figure 7 and Figure 8 As shown, the bottom of the chamber 41 is provided with a sewage outlet 411 and a blocking member 48 for blocking or opening the sewage outlet 411 . The blocking member 48 is a block capable of blocking the sewage outlet 411 , the block is located below the air inlet channel 47 , and the upper end of the block is open. In order to guide the mixed air flow into the guide air duct, a guide plate 451 is provided between the guide air duct 45 and the blockage, and there is a space between the guide plate 451 and the guide air duct 45 for the mixed airflow to enter the guide air duct 45 space, and the deflector 451 is arched upward near the middle position.

As shown in Fig. 8, the blocker moves upward under the action of external force to open the sewage outlet 411. During use, after the sweeper enters the base station, the pusher 9 blocked in the base station is pushed upward and moves downward and upward, so that the sewage discharges The port 411 is in an open state, as shown in FIG. 8 for details. In order to make the blockage automatically block the sewage outlet, the elastic element acts on the blockage and always makes the blockage move downward to block the sewage outlet 411 . As shown in FIG. 7 and FIG. 8 , the elastic member is a spring 44 located between the blocking plate and the baffle plate 451 , and two ends of the spring 44 are respectively abutted against the baffle plate 451 and the blocking bottom plate. Vertical in the above description and claims includes but is not limited to vertical, and substantially horizontal includes completely horizontal, but is not limited to completely horizontal, and may be slightly deviated from horizontal.

In the description and claims of the present invention, directional terms such as "front", "rear", "upper", "lower", "left", "right", "side", "top", "Bottom," etc., are used to describe various example structural parts and elements of the invention, but these terms are used herein for convenience of description and based on the example orientations shown in the accompanying drawings. Since the disclosed embodiments of the present invention may be arranged in different directions, these directional terms are for illustration only and should not be regarded as limiting, such as "up" and "down" are not necessarily defined as being opposite to the direction of gravity or consistent direction.

The "fluid communication" referred to in the present invention refers to the spatial positional relationship between two parts or parts (hereinafter collectively referred to as the first part and the second part respectively), that is, the energy of a fluid (gas, liquid or a mixture of the two) From the first part to flow along the flow path or/and to be transported to the second part, the first part and the second part can be directly connected, or the first part and the second part can pass through At least one third party is in indirect communication, which may be a fluid channel such as a pipe, channel, conduit, flow guide, hole, slot, etc., or a chamber that allows fluid to flow therethrough, or a combination thereof.

Claims (15)

1. A brush head module for a cleaning machine comprises

The air cleaner comprises a shell (1), wherein a cavity (11) is formed in the shell, the cavity (11) is provided with a dust suction port (111) with a downward opening and an air outlet (113) communicated with the dust suction port (111) in a fluid mode, and the air outlet (113) is located at the downstream of the dust suction port (111) along an airflow flow path;

the brush head (13) is used for sweeping an object to be cleaned, can be rotatably arranged in the cavity (11), and comprises a soft brush part (130) which is at least partially positioned below the dust suction port (111);

the method is characterized in that: also comprises

The limiting piece is arranged in the cavity (11), is positioned on the rotating path of the brush piece (130), and is used for preventing hair from continuously moving around the rotating axis of the brush head (13) and winding on the brush head (13); along the rotation path of the brush head (13), the air outlet (113) is located upstream of the stopper.

2. The brushhead module of claim 1, wherein: the limiting piece is a limiting rod (10) extending along the rotating axis of the brush head (13), and the limiting rod (10) is arranged at a position adjacent to the air outlet (113).

3. The brush head module of claim 2, wherein: the brush head (13) further comprises a roller shaft (133), the rotating axis of the roller shaft (133) is basically horizontally arranged, the brush piece (130) comprises a blade group (134) arranged on the outer peripheral wall of the roller shaft (133), and the blade group (134) comprises a plurality of soft blades (1341) arranged along the circumferential direction of the roller shaft (133) at intervals.

4. The brushhead module of claim 3, wherein: the brush piece (130) further comprises a brush column group (135) arranged on the peripheral wall of the roller shaft (133), the brush column group (135) and the blade group (134) are arranged along the axial direction of the roller shaft (133), and the brush column group (135) comprises at least one soft brush column (1351) which is arranged on the peripheral wall of the roller shaft (133) and extends outwards.

5. The brush head module of claim 4, wherein: the brush columns (1351) are arranged in rows, the brush column group (135) comprises at least two rows which are arranged at intervals along the circumferential direction, and each row is provided with at least two brush columns (1351) which are arranged at intervals along the axial direction of the roller shaft (133).

6. The brushhead module of claim 5, wherein: the blades (1341) extend in the axial direction of the roller shaft (133), and each blade (1341) corresponds to a row of the brush columns (1351).

7. The brush head module of claim 6, wherein: the brush column groups (135) are at least two groups and are arranged at intervals along the axial direction of the roll shaft (133), and the blade group (134) is positioned between the two adjacent brush column groups (135).

8. The brush head module of claim 7, wherein: the rows of the two groups of the brush column groups (135) are the same and are correspondingly arranged, and the number of the blades (1341) of the blade group (134) is different from the row number of the brush columns (1351) in the brush column group (135).

9. The brush head module of claim 8, wherein: the outer end face of the blade (1341) and the outer end face of the brush columns (1351) in the same row are located on the same horizontal plane, and when one row of brush columns (1351) rotates to be in contact with the limiting rod (10) and located at the downstream of the limiting rod (10), the outer ends of the row of brush columns (1351) and the corresponding blade (1341) are in contact with the corresponding position of the cavity (11).

10. The brush head module of any of claims 1-9, wherein: a soft scraper (16) is arranged on the rear side of the brush head (13) along the periphery of the dust suction opening (111).

11. The brushhead module of claim 1, wherein: the air outlet (113) is formed in the position, close to the top, of the shell (1), and an air guide channel (17) is formed in the periphery of the air outlet (113) in an upward inclined extending mode.

12. The brush head module of claim 11, wherein: the cross-sectional area of the air guide channel (17) is gradually reduced along the airflow flow path.

13. The brushhead module of claim 1, wherein: the cleaning machine further comprises a liquid guide channel (12) communicated with a liquid supply assembly of the cleaning machine, and the liquid guide channel (12) is provided with a liquid outlet (121) used for facing the object to be cleaned.

14. A cleaning machine having a brush head module according to any one of claims 1 to 13, characterized in that: the brush head module is characterized by further comprising a fan (5) and a separation module (04) used for separating a water and dust mixture, wherein the separation module (04) is located between the brush head module (01) and the fan (5) along an airflow flow path, an inlet of the separation module (04) is in fluid communication with an air outlet (113) of the brush head module (01), and an outlet of the separation module (04) is communicated with an inlet of the fan (5).

15. The cleaning machine of claim 14, wherein: the cleaning machine is a dust collector or a sweeping robot.

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