CN215191248U - Brush head module for cleaning machine and cleaning machine - Google Patents

Abstract

The utility model relates to a brush head module for a cleaning machine and the cleaning machine, wherein, a brush head module for the cleaning machine comprises a shell, a wind guide channel is formed in the shell, the wind guide channel is provided with a dust absorption port and an air outlet which is in fluid communication with the dust absorption port, and the air outlet is positioned at the downstream of the dust absorption port along an airflow flow path; the brush head is used for cleaning an object to be cleaned and is arranged at the dust suction port of the air guide channel; it is characterized by also comprising: and the liquid guide channel is communicated with the liquid supply assembly of the cleaning machine and arranged on the shell, and is provided with a liquid outlet facing to the object to be cleaned. The dust absorption mouth is when realizing treating the clean object dust absorption, and the brush head can be brushed and swept the object that can treat clean, can carry out the purpose of limit suction brush-sweeping to ground same position, and it is cleaner to brush and sweep the ground.

Description

Brush head module for cleaning machine and cleaning machine

Technical Field

The utility model belongs to family's washing, clean the field, concretely relates to brush first module and cleaner for cleaner.

Background

The current cleaner with the floor mopping function comprises a dust collector and a floor sweeping machine, wherein a brushing mode is mainly adopted, and a fan is used for sucking impurities on the ground into an internal storage box, so that the function of cleaning the ground is achieved.

For example, the chinese utility model patent "brush structure of cleaner", its patent number is ZL201921603224.6 (the publication number is CN210902814U) discloses a brush structure of cleaner includes: the device comprises a connecting pipe, a bristle component, a bristle mounting disc and a corrugated pipe component; the center of one side of the bristle mounting disc is provided with a dust absorption opening, and the center of the other side of the bristle mounting disc is provided with an exhaust port; the bristle assembly is arranged on one side of the bristle mounting disc, which is provided with a dust suction opening; one end of the corrugated pipe assembly is fixedly connected to the air outlet of the bristle mounting disc, and the other end of the corrugated pipe assembly is fixedly connected with the connecting pipe. Only has the dust absorption function and cannot meet the floor mopping requirement of a user.

Therefore, as in the chinese patent application, a sweeping robot is disclosed, and its patent application No. CN202010009485.6 (application publication No. CN11250333A) includes a sweeping robot body, a sweeping component and a driving component are provided in the sweeping robot body, a dust collecting box is further provided in the sweeping robot body, a water tank is provided below the dust collecting box, a rotatable mopping head is provided below the water tank, the mopping head is connected with a mopping motor, a mop cloth is provided on the mopping head, a squeezing box is provided at a half edge of the mopping head near a dust suction port, the squeezing box squeezes out sewage on the mopping head and collects the squeezed sewage, and a penetration plate is further provided below the water tank and penetrates clean water in the water tank to the mopping head.

Above-mentioned patent sets up alone the subassembly of sweeping the floor and drags the brush head and realize the function that the limit was swept simultaneously and is dragged, and on the one hand, the subassembly of sweeping the floor is at the in-process of actual rotatory clearance, and the condition that is not siphoned away can appear in part rubbish, and on the other hand, owing to sweep the floor the subassembly with drag the brush head and separately set up, at actual clearance in-process, the condition that drags the brush head and drag the ground to the region that does not clean can appear, and then leads to inhaling to drag the effect not good.

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

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the first technical problem that the current situation to above-mentioned prior art is directed at, a brush first module for cleaning machine that carries out the dust absorption simultaneously and sweep the floor the function to same position is provided.

The second technical problem to be solved by the present invention is to provide a brush head module capable of automatically adjusting the size of the air inlet according to the air intake.

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

The utility model provides a technical scheme that above-mentioned first technical problem adopted does: a brush head module for a cleaning machine comprises a brush head,

the air guide channel is provided with a dust suction port and an air outlet which is communicated with the dust suction port in a fluid mode, and the air outlet is located at the downstream of the dust suction port along an airflow flowing path;

the brush head is used for cleaning an object to be cleaned and is arranged at the dust suction port of the air guide channel;

it is characterized by also comprising:

and the liquid guide channel is communicated with the liquid supply assembly of the cleaning machine and arranged on the shell, and is provided with a liquid outlet facing to the object to be cleaned.

The liquid outlet and the dust suction opening may or may not be communicated, but preferably, the liquid outlet is disposed adjacent to the dust suction opening and is communicated with the dust suction opening. So, when inhaling rubbish such as the dust of dust absorption mouth department to the wind-guiding passageway in, can form the negative pressure in dust absorption mouth department, so, the liquid in the drain passageway is through the liquid outlet and is siphoned out under the effect of negative pressure, makes things convenient for liquid to flow out.

The brush head can rotate or not, but from the cleaning point of view, the brush head is preferably rotatably arranged in the air guide channel, and the rotation axis of the brush head is crossed with the plane of the dust suction opening.

The brush head can be constructed in a variety of ways, but preferably, the brush head includes,

a connecting plate substantially perpendicular to the rotational axis of the brush head;

at least two fly leafs, can set up with rotating on the connecting plate, and along circumference interval arrangement, the fly leaf is provided with the first brush post that is used for treating that the cleaning object cleans, under natural state, the fly leaf along the axis of rotation direction of connecting plate arranges, the free end orientation of first brush post the axis of rotation of connecting plate under the connecting plate is in the pivoted state, the fly leaf can outwards expand extremely the free end orientation of first brush post treats the state of cleaning object. So, under the natural state of non-work, first brush post with treat that clean object contactless reduces with the area of contact who treats clean object, has reduced the resistance that follow-up cleaning machine walking process received, under being in operating condition, the fly leaf outwards expands under the centrifugal force effect of high-speed rotation, and at this moment, first brush post and ground contact have increased the area of contact with ground.

In order to increase the sweeping area, a second brush column extending along the rotation axis of the brush head is arranged at a position close to the center of the connecting plate, and the first brush column is positioned at the periphery of the second brush column.

In order to reduce the contact area with the ground and the resistance when the follow-up cleaning machine walks by utilizing the elasticity of the movable plate in the non-working state, the movable plate has elasticity and has the tendency of always keeping the arrangement along the rotating axis of the brush head under the action of the elasticity of the movable plate.

The rotation of the brush head can be driven by wind power or by the driving mechanism, but from the viewpoint of the reliability of the rotation of the brush head, the brush head is preferably further provided with a driving mechanism for driving the brush head to rotate around the rotation axis of the driving mechanism, and the power output end of the driving mechanism is in driving connection with the connecting plate of the brush head.

Preferably, an impeller is arranged in the air guide channel, and the impeller is mounted on a power output end of the driving mechanism. Due to the existence of the impeller, when the air guide channel rotates, the blades can enable the flow field in the air guide channel to generate airflow lift force flowing towards the direction of the air outlet of the air guide channel when the air guide channel rotates at a high speed, so that the brushed garbage can be sucked away in time after the brush head is brushed, the dust collection effect is increased, and meanwhile, the movable plate is enabled to be easier to unfold.

In order to suck dust and the like into the air outlet and flow to the air outlet, the impeller comprises a wheel disc and blades, the outer periphery of the wheel disc is provided with a ring wall, the blades are arranged on the outer wall surface of the ring wall at intervals in the circumferential direction, the rotating axis of the brush head is vertical, the opening of the dust suction port is downward, the ring wall extends upwards, the lowest edge of each blade is located below the connecting plate, and the highest edge of each blade is located above the connecting plate.

In order to fix the connecting plate, the lower surface of the wheel disc is provided with an accommodating groove which is sunken upwards, and the connecting plate is fixed in the accommodating groove.

Preferably, the wheel disc is provided with a plurality of water through holes penetrating through the wall thickness of the wheel disc. Due to the existence of the water through holes, water on the blades can flow out downwards through the water through holes.

Preferably, the air guide channel includes a first channel, an inlet of the first channel is the dust collection port, an opening is formed in a position, close to the top, of the first channel, a second channel is formed by extending a circumferential edge of the opening in a direction away from the dust collection port, the second channel is located at a downstream of the first channel in an airflow flowing direction, the driving mechanism is a motor, a cavity for accommodating the motor is formed by sinking a top wall of the first channel in a direction towards the dust collection port, a through hole for allowing an output shaft of the power supply to penetrate into the first channel is formed in the cavity, and the impeller is located in the first channel. Therefore, after the airflow enters the first channel, the airflow rotates along with the brush head in the first channel to form a rotating flow field, and the rotating flow field is mixed with dust, water and particles on the ground to discharge the mixture.

In order to facilitate the suction of dust and the like into the air guide channel, the brush head is positioned in the center of the air guide channel, and a gap is reserved between the outer peripheral edge of the brush head and the inner peripheral wall of the air guide channel.

The utility model provides a technical scheme that above-mentioned second technical problem adopted does: the periphery of the dust collection port is provided with an air inlet, the periphery of the dust collection port is provided with a sealing strip, and the sealing strip is provided with a blocking piece which can at least partially cover the air inlet and can move along the air flow direction to reduce the area covering the air inlet at a position corresponding to the air inlet. So, the size of air intake is adjusted then to the degree of covering of the big or small automatically regulated air intake of separation blade, and in addition, the existence of sealing strip can be when the cleaning machine marchs, scrapes the remaining water on ground and enters into to the rotatory flow field in to keep the drying on ground all the time.

In order to wet stubborn stains on a cleaning object, the air guide channels are arranged at intervals along the length direction of the shell, one liquid guide channel is arranged between every two adjacent air guide channels, and a liquid outlet of each liquid guide channel is communicated with a dust suction opening of the adjacent air guide channel. After stubborn stains on the object to be cleaned are soaked, the cleaning brush is easier to clean after brushing, and the cleaned stains are sucked away in time, so that the cleaning effect is improved.

In order to realize the simultaneous water discharge of the plurality of diversion channels, the device also comprises a liquid supply assembly and a pressure equalizing cavity, the pressure equalizing cavity is positioned between the liquid guide channels and the liquid supply assembly along the flow direction of water flow, and the pressure equalizing cavity is provided with a water outlet which is respectively communicated with the inlets of the liquid guide channels. The existence of pressure equalizing chamber can evenly distribute water in each drain passageway.

The pressure equalizing cavity has various structural forms, but preferably, the pressure equalizing cavity comprises a main cavity body which is arranged basically horizontally and extends along the length direction of the shell, the main cavity body is provided with a vertical flow channel at a position corresponding to the liquid guide channel, the vertical flow channel is communicated with the liquid guide channel, a valve plate which moves under the driving of water flow and is communicated with the vertical flow channel is arranged in the vertical flow channel, the valve plate has elasticity, and the valve plate always has a tendency of blocking the vertical flow channel under the action of the elasticity of the valve plate. So, in order to be in the non-function of mopping the ground, the valve block is automatic to be closed vertical runner, avoids appearing "siphon" phenomenon, prevents that water conservancy diversion passageway goes out water and wets ground, is in the state of mopping the ground, and the valve block will be automatic opens vertical passageway, and at this moment, rivers distribute to each drain passageway in, and realize mopping the function of ground.

The utility model provides a technical scheme that above-mentioned third technical problem adopted does: a cleaning machine with the brush head module is characterized in that: the air brush comprises a fan and a separation module for separating a mixture of water and dust, wherein the separation module is positioned between the brush head module and the fan along an airflow flow path, an inlet of the separation module is communicated with an air outlet of an air guide channel of the brush head module, and an air outlet of the separation module is communicated with an inlet of the fan.

Preferably, the cleaning machine is a vacuum cleaner or sweeper.

Compared with the prior art, the utility model has the advantages of: the liquid outlet of the liquid guide channel of the brush head module for the cleaning machine is arranged close to the dust suction port of the air guide channel, the liquid outlet can supply water to an object to be cleaned to wet the object to be cleaned, the dust suction port can suck dust from the object to be cleaned, the brush head can brush and sweep the object to be cleaned, the purpose of sucking and brushing the same position on the ground can be achieved, and the brushing and sweeping are cleaner; in addition, the brush head rotates under the driving of the driving mechanism to continuously brush and sweep wet objects to be cleaned, and stubborn stains on the objects to be cleaned can be cleaned; in addition, the same brush head is adopted to clean and mop the ground, the structure is simple and reasonable, and the problem that the ground cleaning assembly and the mopping brush head are required to be arranged simultaneously in the background technology to complete the functions of cleaning and mopping the ground is solved.

Drawings

FIG. 1 is a schematic structural view of a brush head module of the present embodiment;

FIG. 2 is a schematic structural view of the damper shown in FIG. 1 in a moving state relative to the intake opening;

FIG. 3 is a schematic view of the structure of the wind-blocking sheet of FIG. 2 at the wind inlet;

FIG. 4 is a cross-sectional view of the liquid supply assembly of FIG. 1 with the valve plate in a position blocking the vertical flow path;

FIG. 5 is a cross-sectional view at another angle of FIG. 1 with the liquid supply assembly installed;

FIG. 6 is a cross-sectional view of the liquid supply assembly of FIG. 1 with the valve plate in an open vertical flow path;

FIG. 7 is a schematic view of the movable plate of the toothbrush head of FIG. 3 in an expanded state;

FIG. 8 is a cross-sectional view of FIG. 1;

FIG. 9 is a sectional view of a partial structure of the cleaning machine;

FIG. 10 is a schematic view of a portion of the structure of FIG. 1;

FIG. 11 is a schematic structural view of an impeller;

FIG. 12 is a schematic view of the brush head in its natural state;

FIG. 13 is a schematic view of the structure of the brush head in the working state;

fig. 14 is a schematic structural view of the pressure equalizing chamber.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

As shown in fig. 1 to 14, the cleaning machine of the embodiment of the present invention is a sweeper, and the object to be cleaned is a floor. The sweeper comprises a brush head module, a fan 5 and a separation module 04 for separating a mixture of water and dust, wherein the separation module 04 is positioned between the brush head module and the fan 5 along an airflow flow path, an inlet of the separation module 04 is communicated with an air outlet 113 of an air guide channel 11 of the brush head module, and an outlet of the separation module 04 is communicated with an inlet of the fan 5. Under the action of the fan 5, negative pressure is formed in the brush head module and the separation module 04, so that dust, water and other garbage are sucked into the brush head module through the dust suction port 111, and then the gas separated by the separation module 04 is discharged.

The brush head module for the cleaning machine comprises a shell 1, at least one air guide channel 11, a liquid guide channel 12, a brush head 13, a driving mechanism, a liquid supply assembly 6 and a pressure equalizing cavity 7.

As shown in fig. 1 to 5, the housing 1 is provided with 4 mutually independent air guide channels 11 along the length direction thereof, each air guide channel 11 is provided with a dust suction port 111 with a downward opening, and the plane of the dust suction port 111 is a substantially horizontal plane; a liquid guide channel 12 is arranged between two adjacent air guide channels 11, the liquid guide channel 12 is used for being communicated with a liquid supply assembly 6 of the cleaning machine, the air guide channels 11 are arranged on the shell 1, the liquid guide channels 12 are provided with liquid outlets 121 with downward openings and capable of being communicated with the dust suction openings 111, the liquid outlets 121 are communicated with the dust suction openings 111 of the adjacent air guide channels 11, and the liquid outlets 121 are downward openings and face the ground.

As shown in fig. 1 and 8, the air guide channel 11 includes a first channel 100 with a substantially circular cross section, an inlet of the first channel 100 is a dust suction opening 111, an air inlet 112 is formed on a peripheral edge of the dust suction opening 111, as shown in fig. 2, a sealing strip 16 is mounted on the peripheral edge of the dust suction opening 111, and a blocking piece 161 capable of at least partially covering the air inlet 112 and moving along an air flow direction to reduce an area covering the air inlet 112 is disposed on the sealing strip 16 at a position corresponding to the air inlet 112, so that the blocking piece 161 moves relative to the air inlet under the action of an air intake amount to achieve the purpose of adjusting the size of the air inlet. In order to support the brush head module, the bottom surface of the housing 1 is provided with a support wheel 117 adjacent to the air inlet 112, and the existence of the support wheel 117 can enable the sealing strip 16 to always keep a fixed gap with the ground. The first channel 100 is provided with an opening 101 at a position adjacent to the top, the top edge of the air inlet 112 is substantially flush with the bottom edge of the opening 101, or the top edge of the air inlet 112 is lower than the bottom edge of the opening 101, and the distance between the top edge of the air inlet 112 and the bottom edge of the opening 101 is 1-2 mm.

As shown in fig. 8, the opening 101 has a second passage 102 extending upward along the circumferential direction, and the second passage 102 is located downstream of the first passage 100 in the airflow direction. The driving mechanism is the motor 14 arranged on the shell 1, the output shaft of the motor 14 vertically extends, the top wall of the first channel 100 is downwards sunken to form a concave cavity 103 for accommodating the motor 14, and the concave cavity 103 is provided with a through hole for the output shaft of the power supply motor 14 to downwards penetrate into the first channel 100.

As shown in fig. 5 and 8, an impeller 15 is disposed in the first channel 100, the impeller 15 is mounted on an output shaft of the motor 14, the impeller 15 includes a wheel disc 151 and blades 152, an outer circumferential edge of the wheel disc 151 has an annular wall 1511 extending upward, the blades 152 are plural and are circumferentially spaced on an outer wall surface of the annular wall 1511, and the wheel disc 151 is provided with a plurality of water through holes 1512 penetrating through a wall thickness of the wheel disc 151, in this embodiment, the number of the water through holes is at least 3.

The brush head 13 is used for sweeping the floor, as shown in fig. 2, 3, 5, 7 and 9, the brush head 13 is arranged at the dust suction opening 111 of the air guide channel 11, the brush head 13 is positioned at the center of the air guide channel 11, and a gap is left between the outer periphery of the brush head 13 and the inner peripheral wall of the air guide channel 11. Specifically, the brush head 13 includes a connecting plate 131 and at least two movable plates 132, the connecting plate 131 is substantially horizontally disposed and connected to the output shaft of the motor 14, and is driven by the motor 14 to rotate substantially horizontally around the output shaft of the motor 14, and the output shaft of the motor 14 is vertically disposed and substantially perpendicular to the plane of the dust suction opening. The lowest edge of the blade 152 is located below the connection plate 131, and the highest edge of the blade 152 is located above the connection plate 131. As shown in fig. 5 and 7, the lower surface of the wheel disc 151 of the impeller 15 has an upward concave containing groove 1513, and the connecting plate 131 is fixed in the containing groove 1513, so that the brush head and the impeller 15 are relatively and fixedly connected, and under the driving of the motor 14, both the impeller 15 and the brush head 13 can rotate around the output shaft of the motor 14, and the axis of the output shaft of the motor is the rotation axis of the brush head 13. In addition, the number of the movable plates 132 in the embodiment is 6, and the movable plates 132 are arranged at intervals along the periphery of the axis of the connecting plate 131, and each movable plate 132 is provided with a first brush column 1321 on the inner surface facing the axis of the brush head 13, in a natural state, as shown in fig. 5 and 11, the movable plate 132 is vertically arranged, the first brush column 1321 is substantially horizontally arranged, the upper end of the movable plate 132 is connected to the connecting plate 131, as shown in fig. 12, the lower end of the movable plate 132 can be unfolded outwards during the rotation of the connecting plate 131 to a state that the inner surface of the movable plate 132 faces downwards, that is, the first brush column 1321 is vertically arranged; in order to increase the mopping area, the center of the bottom of the connecting plate 131 is provided with a second brush column 1312 extending downwards, and in a natural state, the first brush column 1321 is located at the periphery of the second brush column 1312, so that the situation that the inner periphery of the first brush column is not cleaned is avoided, and the mopping area is cleaner. In a natural state where the connecting plate 131 does not rotate, the movable plate 132 can automatically return to its original shape, the movable plate 132 has elasticity, and the movable plate 132 tends to be always vertical under the action of its elasticity.

As shown in fig. 4, along the flowing direction of the water flow, the pressure equalizing chamber 7 is located between the liquid guiding channels 12 and the liquid supply assembly 6, the liquid supply assembly 6 comprises a water tank 61 and a water pump 62, the water tank 61 is provided with a water filling port 610 for supplying water into the water tank 61, the water inlet end of the water pump 62 is communicated with the water tank 61, the water outlet end of the water pump 62 is communicated with the pressure equalizing chamber 7 so as to pump water into the pressure equalizing chamber 7, and the pressure equalizing chamber 7 is provided with a water outlet 711 respectively communicated with the inlets of the liquid guiding channels 12. Specifically, as shown in fig. 13, the pressure equalizing chamber 7 includes a main chamber 70 disposed substantially horizontally and extending along the length direction of the housing 1, the main chamber 70 has a vertical flow passage 71 extending upward at a position corresponding to the liquid guide passage 12, the vertical flow passage 71 is communicated with the liquid guide passage 12, and the vertical flow passage 71 may also take a form extending downward. The vertical flow channel 71 is internally provided with a valve plate 72 which moves under the driving of water flow and conducts the vertical flow channel 71, and the valve plate 72 has elasticity and always has the tendency of blocking the vertical flow channel 71 under the action of the elasticity of the valve plate 72. Specifically, in a state where water flows into the pressure equalizing chamber 7, as shown in fig. 4, the valve sheet 72 moves upward to be in a state of opening the vertical flow passage 71; in a state where no water flows into the pressure equalizing chamber 7, as shown in fig. 6, the valve sheet 72 is restored to its original shape by its own elasticity and is disposed horizontally so as to block the vertical flow passage 71.

As shown in fig. 9, the separation module 04 for a cleaning machine of the present embodiment includes a housing 4, a first baffle 42 for blocking fluid, and a second baffle 43 for blocking fluid, the housing 4 has a cavity 41 therein, the cavity 41 has an inlet 400 and an outlet 401 in fluid communication with the inlet 400, and the outlet 401 is disposed on a top wall of the housing 4. The inlet 400 of the separation module 04 is communicated with the outlet 113 of the brush head module 01, and the exhaust outlet 401 of the separation module 04 is communicated with the inlet of the blower 5, as shown in fig. 3 and 4. In this embodiment, the inlet 400 is communicated with the outlet 113 to form a flow channel 402.

As shown in fig. 9, the first baffle 42 is disposed in the cavity 41 and located on the fluid flow path between the inlet 400 and the outlet 401, the first baffle 42 divides the cavity 41 to form two communicating chambers, namely a first chamber 411 and a second chamber 412, along the airflow flow path, the first chamber 411 is located upstream of the second chamber 412. The first baffle 42 in this embodiment is vertically disposed, and a first gap 420 for communicating the two chambers is left between the bottom of the first baffle 42 and the bottom wall of the cavity 41. The first baffle 42 is provided with a convex part 422 protruding from the wall surface adjacent to the inlet 400 and extending in the direction away from the exhaust outlet 401, and the convex part 422 is in a strip shape and is arranged transversely, and a plurality of convex parts are arranged at intervals up and down. The first shutter 42 is provided with a first through hole 421 penetrating the thickness thereof, and the first through hole 421 is located below the convex portion 422.

As shown in fig. 9, the second baffle 43 is disposed in the second chamber 412, and therefore, the second baffle 43 is located downstream of the first baffle 42, the second baffle 43 is located on the fluid flow path between the intake port 400 and the exhaust port 401, and the second chamber 412 is partitioned to form two chambers communicating with each other. The second baffle 43 is vertically disposed, and a projection of the air outlet 401 along the vertical direction falls on the second baffle 43. In order to further filter the mixed air flow, a filter element is arranged at the air outlet 401, and the filter element covers the air outlet 401, and is a filter net 49, and the filter net 49 is arranged at the upstream of the air outlet 401 along the air flow flowing path.

As shown in fig. 9, the second baffle 43 includes an inclined plate 431 inclined from top to bottom in a direction gradually away from the first baffle 42, and a baffle 432 located above the inclined plate 431. The inclined plate 431 has a downwardly concave arc section 4310 near the middle, and the inclined plate 431 and the arc section 4310 both have a second through hole (not shown) through the wall thickness of the second baffle 43. The baffle 432 is gradually inclined from bottom to top in a direction away from the first baffle 42, and a second gap 430 is formed between the baffle 432 and the top wall of the second chamber 412. Vertical in the above description and claims includes but is not limited to vertical and substantially horizontal includes but is not limited to completely horizontal and may be slightly off horizontal.

Directional terms such as "front", "rear", "upper", "lower", "left", "right", "side", "top", "bottom", and the like are used in the description and claims of the present invention to describe various example structural portions and elements of the present invention, but these terms are used herein for convenience of description only and are determined based on example orientations shown in the drawings. Because the disclosed embodiments may be arranged in different orientations, these directional terms are used for descriptive purposes and are not to be construed as limiting.

The term "fluid communication" as used herein refers to a spatial relationship between two components or portions (hereinafter collectively referred to as a first portion and a second portion), i.e., a fluid (gas, liquid or a mixture of both) can flow along a flow path from the first portion or/and be transported to the second portion, and may be directly communicated between the first portion and the second portion, or indirectly communicated between the first portion and the second portion via at least one third member, which may be a fluid passage such as a pipe, a channel, a duct, a flow guide, a hole, a groove, or a chamber allowing the fluid to flow therethrough, or a combination thereof.

Claims (19)

1. A brush head module for a cleaning machine comprises

The air-guiding device comprises a shell (1), wherein an air-guiding channel (11) is formed inside the shell, the air-guiding channel (11) is provided with a dust suction port (111) and an air outlet (113) which is in fluid communication with the dust suction port (111), and the air outlet (113) is positioned at the downstream of the dust suction port (111) along an airflow flow path;

the brush head (13) is used for cleaning an object to be cleaned and is arranged at the dust suction port (111) of the air guide channel (11);

it is characterized by also comprising:

a liquid guiding channel (12) for communicating with a liquid supply assembly (6) of the cleaning machine, opening on said casing (1), the liquid guiding channel (12) having a liquid outlet (121) directed towards the object to be cleaned.

2. The brushhead module of claim 1, wherein: the liquid outlet (121) is disposed adjacent to the dust suction port (111) and communicates with the dust suction port (111).

3. The brushhead module of claim 1, wherein: the brush head (13) can be rotatably arranged in the air guide channel (11), and the rotating axis of the brush head (13) is crossed with the plane of the dust suction port (111).

4. The brushhead module of claim 3, wherein: the brush head (13) comprises

A connecting plate (131) substantially perpendicular to the axis of rotation of the head (13);

at least two movable plates (132) which are rotatably arranged on the connecting plate (131) and are arranged at intervals along the circumferential direction, wherein the movable plates (132) are provided with first brush columns (1321) used for sweeping the object to be cleaned, in a natural state, the movable plates (132) are arranged along the direction of the rotating axis of the connecting plate (131), the free ends of the first brush columns (1321) face the rotating axis of the connecting plate (131), and in a rotating state of the connecting plate (131), the movable plates (132) can be unfolded outwards until the free ends of the first brush columns (1321) face the object to be cleaned.

5. The brush head module of claim 4, wherein: the position of the connecting plate (131) adjacent to the center is provided with a second brush column (1312) extending along the rotation axis of the brush head, and the first brush column (1321) is positioned at the periphery of the second brush column (1312).

6. The brush head module of claim 4, wherein: the movable plate (132) has elasticity, and the movable plate (132) has a tendency to always keep being arranged along the rotation axis of the brush head (13) under the action of the elasticity of the movable plate (132).

7. The brush head module of claim 4, wherein: the toothbrush further comprises a driving mechanism for driving the toothbrush head (13) to rotate around the rotation axis of the toothbrush head, and the power output end of the driving mechanism is in driving connection with the connecting plate (131) of the toothbrush head (13).

8. The brushhead module of claim 7, wherein: an impeller (15) is arranged in the air guide channel (11), and the impeller (15) is installed on the power output end of the driving mechanism.

9. The brush head module of claim 8, wherein: impeller (15) including rim plate (151) and blade (152), the periphery of rim plate (151) is along having cliff (1511), blade (152) have a plurality ofly and along the circumference interval arrangement on the outer wall of cliff (1511), in the axis of rotation of brush head (13) is in vertical and the opening of dust absorption mouth (111) is in down the state, cliff (1511) upwards extends, the least significant edge of blade (152) is located under connecting plate (131), the most significant edge of blade (152) is located above connecting plate (131).

10. The brushhead module of claim 9, wherein: the lower surface of the wheel disc (151) is provided with an upward concave containing groove (1513), and the connecting plate (131) is fixed in the containing groove (1513).

11. The brushhead module of claim 9, wherein: the wheel disc (151) is provided with a plurality of water through holes (1512) penetrating through the wall thickness of the wheel disc.

12. The brush head module of claim 8, wherein: the air guide channel (11) comprises a first channel (100), an inlet of the first channel (100) is the dust suction port (111), an opening (101) is formed in the position, close to the top, of the first channel (100), a second channel (102) extends along the circumferential direction of the opening (101) in the direction away from the dust suction port (111), the second channel (102) is located at the downstream of the first channel (100) along the airflow flowing direction, the driving mechanism is a motor (14), a concave cavity (103) for accommodating the motor (14) is formed in the direction, towards the dust suction port (111), of the top wall of the first channel (100), a through hole for enabling an output shaft of the motor (14) to penetrate into the first channel (100) is formed in the concave cavity (103), and the impeller (15) is located in the first channel (100).

13. The brushhead module of claim 1, wherein: the brush head (13) is positioned in the center of the air guide channel (11), and a gap is reserved between the outer peripheral edge of the brush head (13) and the inner peripheral wall of the air guide channel (11).

14. The brushhead module of claim 1, wherein: the periphery of the dust collection port (111) is provided with an air inlet (112), the periphery of the dust collection port (111) is provided with a sealing strip (16), and the sealing strip (16) is provided with a blocking piece (161) which can at least partially cover the air inlet (112) and can move along the air flow direction to reduce the area of the air inlet (112) and at the position corresponding to the air inlet (112).

15. The brush head module of any of claims 1-14, wherein: the air guide channels (11) are arranged side by side at intervals, one liquid guide channel (12) is arranged between every two adjacent air guide channels (11), and a liquid outlet (121) of each liquid guide channel (12) is communicated with a dust suction port (111) of each adjacent air guide channel (11).

16. The brushhead module of claim 15, wherein: the water supply device is characterized by further comprising a liquid supply assembly (6) and a pressure equalizing cavity (7), wherein the pressure equalizing cavity (7) is located between the liquid guide channels (12) and the liquid supply assembly (6) along the flowing direction of water flow, and the pressure equalizing cavity (7) is provided with water outlets (711) communicated with inlets of the liquid guide channels (12) respectively.

17. The brushhead module of claim 16, wherein: the pressure equalizing cavity (7) is including basic level arrangement and edge the main cavity body (70) that the length direction of shell (1) extends, the main cavity body (70) have vertical runner (71) on the position that corresponds drain channel (12), vertical runner (71) with drain channel (12) are linked together, be provided with in vertical runner (71) and move and switch on under the drive of rivers valve block (72) of vertical runner (71), valve block (72) have elasticity, and have the trend of blocking this vertical runner (71) all the time under self elastic action.

18. A cleaning machine having a brushhead module of any one of claims 1 to 17, wherein: the brush head module comprises a fan (5) and a separation module (04) used for separating a mixture of water and dust, wherein the separation module (04) is positioned between the brush head module (01) and the fan (5) along an airflow flow path, an inlet (400) of the separation module (04) is communicated with an air outlet (113) of an air guide channel (11) of the brush head module (01), and an air outlet (401) of the separation module (04) is communicated with an inlet of the fan (5).

19. The cleaning machine of claim 18, wherein: the cleaning machine is a dust collector or a sweeper.

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