CN213551544U

CN213551544U - Have automatically cleaning seat and clean subassembly of function of charging concurrently

Info

Publication number: CN213551544U
Application number: CN202022104946.6U
Authority: CN
Inventors: 倪祖根
Original assignee: Kingclean Electric Co Ltd
Current assignee: Kingclean Electric Co Ltd
Priority date: 2020-09-23
Filing date: 2020-09-23
Publication date: 2021-06-29
Anticipated expiration: 2030-09-23

Abstract

The utility model discloses a have self-cleaning seat and clean subassembly of function of charging concurrently belongs to household electrical appliances technical field, for solving the design of the current dust catcher automatically cleaning inefficiency scheduling problem. The utility model discloses have self-cleaning seat of function of charging concurrently includes the base, be used for treating the contact pin of charging device power supply, be used for connecting the plug of power and be used for installing the contact pin seat of contact pin, the plug is connected to the contact pin through the power cord, is provided with the washing recess on the base, the washing recess including be used for holding wait to soak the lower concave part of overhead round brush of cleaning and be used for supporting the cleaning tank bottom surface of all the other parts except that the round brush on the cleaning head, the slope form is personally submitted to the cleaning tank bottom. The utility model discloses have the automatically cleaning seat of the function of charging and cleaning assembly's washing tank bottom concurrently and personally submit the slope form, whole cleaning head is the slope form and places, can guarantee under the prerequisite of the degree of depth that reduces the base and water consumption that the round brush can normally rotate and carry out the automatically cleaning in dipping the cleaning solution completely.

Description

Have automatically cleaning seat and clean subassembly of function of charging concurrently

Technical Field

The utility model relates to a household electrical appliances technical field especially relates to a have automatically cleaning seat and clean subassembly of function of charging concurrently.

Background

A cleaning device including a dust collector and a cleaning mop is an electric appliance for cleaning dust and tiny impurities, and mainly comprises a dry type structure and a dry and wet type structure. Taking a vacuum cleaner as an example, the wet and dry vacuum cleaner mainly comprises a cleaning head, the cleaning head mainly comprises a rolling brush, and the rolling brush can rotate around the axis of the rolling brush under the driving of a motor so as to wipe a plane to be cleaned.

Since the space to be cleaned is usually relatively large, it is difficult to power the cleaner in use with one cord. Therefore, most of the existing dust collectors are chargeable, and can work for a period of time after being charged every time, and the dust collectors can be charged again when the electric quantity is insufficient.

The defects of the existing wet and dry dust collector comprise: 1. the rolling brush needs special pumping time for cleaning after being used for a period of time, the rolling brush cannot rotate for self-cleaning during cleaning, the cleaning efficiency is low, and time is wasted; 2. charging is mostly finished on the self-cleaning seat, and the dry and wet dust collector is in a closed state in the charging process, so that no action can be performed, and time is wasted.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an efficiency of use has the automatically cleaning seat of function of charging concurrently.

Another object of the utility model is to provide an efficient clean subassembly of automatically cleaning.

To achieve the purpose, on one hand, the utility model adopts the following technical scheme:

the utility model provides a have self-cleaning seat of function of charging concurrently, includes the base, is used for the contact pin of waiting the charging device power supply, is used for connecting the plug of power and is used for installing the contact pin seat of contact pin, the plug is connected to through the power cord the contact pin, be provided with the washing recess on the base, the washing recess is including being used for holding the lower concave part of waiting to soak the round brush on the cleaning head and being used for supporting on the cleaning head except that the scrubbing tank bottom surface of all the other parts of round brush, the slope form is personally submitted to the scrubbing tank bottom.

Particularly, the self-cleaning seat comprises a shell connected with the base, the position on the bottom surface of the washing tank, which is closer to the shell, is higher, and two support tables are symmetrically arranged on the left side and the right side of the shell respectively.

Particularly, the shell comprises a front shell cover and a rear shell cover which are buckled with each other, a cavity is enclosed between the front shell cover and the rear shell cover, and a device for connecting the power line with the contact pin is arranged in the cavity.

In particular, the top of the front housing cover forms a recess in which the pin holder is located.

Particularly, one surface of the depressed part close to the washing groove is provided with a notch, and the needle inserting seat is positioned in the notch.

In particular, the self-cleaning seat further comprises a plurality of shockproof foot pads which are uniformly arranged on the bottom surface of the base.

In particular, a rib is formed on a lower end sidewall of the washing recess.

In particular, the washing recess has a bottom surface inclination within 105 ° ± 5 °.

On the other hand, the utility model adopts the following technical scheme:

a cleaning assembly comprises a cleaning device with a cleaning function and the self-cleaning seat with the charging function, wherein a cleaning head of the cleaning device can be obliquely placed in a washing groove to be self-cleaned, and a rolling brush of the cleaning head is positioned in a concave part.

Particularly, the cleaning device also comprises a clean water tank and a sewage tank, a clean water inlet channel is arranged between the clean water tank and the washing groove, and a sewage recovery channel is arranged between the sewage tank and the washing groove; the cleaning liquid in the clean water tank can enter the washing groove through the clean water inlet channel, and the cleaning liquid can enter the sewage tank through the sewage recovery channel after cleaning the cleaning head.

The utility model discloses have the washing tank bottom of the automatically cleaning seat of function of charging concurrently and personally submit the slope form, all the other parts except that the round brush can place aslope on the washing tank bottom on cleaning device's cleaning head to guarantee that the round brush can place and carry out the automatically cleaning in the concave recess, can guarantee under the prerequisite of the degree of depth that reduces the base and water consumption that the round brush can normally rotate when charging in soaking the cleaning solution completely, realize the automatically cleaning. The self-cleaning seat has a charging function, the cleaning assembly can be charged while the cleaning head is self-cleaned, and the time utilization rate is improved.

The utility model discloses clean subassembly includes foretell have the automatically cleaning seat of function of charging concurrently, and the cleaning head is whole to be placed aslope in the washing recess, and the round brush still can normally rotate when charging to carry out the automatically cleaning, it is more convenient to use, and the automatically cleaning is efficient.

Drawings

FIG. 1 is a schematic view of a vacuum cleaner assembly according to an embodiment of the present invention;

fig. 2 is a schematic structural view of a self-cleaning seat according to an embodiment of the present invention;

FIG. 3 is a cross-sectional view of a self-cleaning seat according to an embodiment of the present invention;

FIG. 4 is a schematic structural view of a vacuum cleaner in a shutdown state and an operating state according to an embodiment of the present invention;

FIG. 5 is an enlarged view of a portion of the structure at A in FIG. 4;

FIG. 6 is an enlarged view of a portion of the structure at B in FIG. 4;

FIGS. 7 and 8 are sectional views illustrating self-cleaning of a vacuum cleaner according to an embodiment of the present invention;

FIG. 9 is an enlarged view of a portion of the structure at C in FIG. 8;

FIG. 10 is a schematic view of a sewage tank according to an embodiment of the present invention;

fig. 11 is a schematic view of a waterproof structure of a battery pack of a self-cleaning seat according to an embodiment of the present invention;

fig. 12 is a cross-sectional view of a waterproof structure of a battery pack of a self-cleaning seat structure according to an embodiment of the present invention.

In the figure:

1. a base; 2. inserting a pin; 3. a plug; 4. a power line; 5. a needle inserting seat; 6. a front shell cover; 7. a rear shell cover; 8. a support table; 9. a vacuum cleaner; 11. washing the groove; 12. a shockproof foot pad; 13. a rib; 41. a battery holder; 42. a water leakage hole; 43. a coupler; 44. a launder; 45. a body; 46. covering the battery pack; 47. a lower cover of the battery pack; 51. a sewage tank; 52. a filter frame; 53. an upper cover of the sewage tank; 54. a HEPA component; 61. a recessed portion; 62. opening the gap; 63. a bending structure; 91. rolling and brushing; 92. scraping the strips; 93. a microswitch; 94. an upright stopper; 95. a rotary connector; 96. a conductive sheet; 97. a tray; 98. a bump; 99. a cleaning head; 111. a lower recess; 112. the bottom surface of the washing tank.

Detailed Description

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

The embodiment discloses a self-cleaning seat with a charging function and a cleaning assembly comprising the same. The cleaning assembly also includes a cleaning device which may be, but is not limited to, a vacuum cleaner and a cleaning mop (a vacuum source-less cleaning product), which is illustrated in this embodiment as a vacuum cleaner. As shown in fig. 1 to 9, the self-cleaning holder includes a base 1, a pin 2 for supplying power to a device to be charged, a plug 3 for connecting a power supply, a pin holder 5 for mounting the pin 2, and a housing composed of a front housing cover 6 and a rear housing cover 7, wherein a washing groove 11 having a slope-shaped bottom surface for containing a cleaning solution is provided on the base 1, and the plug 3 is connected to the pin 2 through a power cord 4 and a connecting device provided in a cavity enclosed by the front housing cover 6 and the rear housing cover 7. Specifically, as shown in fig. 3, the washing groove 11 includes a lower concave portion 111 and a washing tank bottom surface 112 connected with each other, the lower concave portion 111 is used for accommodating the rolling brush 91 on the cleaning head 99 to be soaked, the washing tank bottom surface 112 is used for supporting the rest of the cleaning head 99 except the rolling brush 91, the washing tank bottom surface 112 is inclined, and the shape of the lower concave portion 111 is not limited.

The dust collector 9 is provided with a conducting strip 96, a tray 97 and a cleaning head 99, wherein the cleaning head 99 mainly comprises a rolling brush 91 and a scraping strip 92, and the conducting strip 96 is abutted with the contact pin 2 to realize current conduction during charging; tray 97 parcel is in the outside of contact pin seat 5, and tray 97 wraps up conducting strip 96 and contact pin 2 promptly, can prevent effectively that the water droplet from splashing and leading to the short circuit, guarantees that dust catcher 9 also can normally charge in complex environments such as drenching with rain. In use, a certain amount of cleaning liquid such as water or detergent is poured into the washing tub 11, the rolling brush 91 is placed in the lower recess 111, and the remaining portion of the cleaning head 99 except the rolling brush 91 is placed on the bottom surface 112 of the washing tub. The rolling brush 91 is immersed into the cleaning liquid, the rolling brush 91 can be cleaned while charging, the charging time is fully utilized, and the use efficiency and the cleaning efficiency of the dust collector 9 are improved.

Another way of use is: the cleaner 9 is provided with a clean water tank and a sewage tank 51, a clean water inlet passage is provided between the clean water tank and the washing recess 11, and a sewage recovery passage is provided between the sewage tank 51 and the washing recess 11. Cleaning liquid such as water or detergent is injected into the clean water tank, the cleaning liquid can enter the washing groove 11 through the clean water inlet channel and at least passes through the rolling brush 91 of the cleaning head 99, the rolling brush 91 continuously rotates in the cleaning liquid to realize self cleaning, and the sewage after self cleaning enters the sewage tank 51 through the sewage recovery channel.

As shown in fig. 4 to 6, a microswitch 93 is typically provided in the cleaner head 99 of the prior art cleaner 9. In order to be convenient, safe and reliable to use, when the main body of the dust collector 9 is approximately in an upright state and the cleaning head 99 is approximately in a horizontal state, the lug 98 on the rotating shaft is fixed by the upright limiting block 94, the rotary connector 95 on the rotating shaft closes the microswitch 93, the rolling brush 91 stops rotating, and the dust collector 9 is in a stop state (the state of the left side in fig. 4, the detailed structure is shown in fig. 5); when the main body of the cleaner 9 is inclined relative to the cleaner head 99, the protrusion 98 will be separated from the vertical stopper 94, the rotary connector 95 will release the microswitch 93, the roller brush 91 can rotate, and the cleaner 9 is in a normal working state (the state of the side of fig. 4, the detailed structure is shown in fig. 6).

The cleaning can be performed by simply placing the roller brush 91 in water or detergent, but the cleaning effect is much inferior to that when the roller brush 91 is continuously rotated. In addition, as shown in fig. 7, when the vacuum cleaner 9 is not stopped, in addition to the rolling brush 91 rolling in the cleaning liquid to perform self-cleaning, the scraping strip 92 can continuously scrape the rolling brush 91 to remove dirt and sundries adhered on the rolling brush 91, and the vacuum cleaner 9 can also continuously spray and absorb water to form a water path circulation, so that the self-cleaning effect is better.

Therefore, in order to rotate the roller brush 91 while charging, it is necessary that the main body of the cleaner 9 is not upright with respect to the cleaning head 99, but the main body of the cleaner 9 is upright with respect to the floor. Preferably, an included angle of 105 degrees +/-5 degrees is formed between the main body of the dust collector 9 and the cleaning head 99, so that the rolling brush 91 can still continuously rotate while charging is guaranteed, and the cleaning effect is better. When the cleaner 9 is stopped, in order to enable the main body of the cleaner 9 to stably stand on the ground, the main body of the cleaner 9 is preferably slightly inclined forwards, an included angle of 85 degrees is formed between the main body of the cleaner 9 and the cleaning head 99, and the gravity center of the main body of the cleaner 9 falls between the two travelling wheels of the cleaner 9 and the bottom end of the cleaning head 99, so that the cleaner can stand more stably.

In fig. 1, the front cover 6, the rear cover 7, one side rib of the washing recess 11 and the housing of the cleaning head 99 are removed in order to more clearly show the structure of the cleaner assembly, and the dotted lines in fig. 1 indicate the level of water or washing liquid. Because the cleaning head 99 is in an inclined state, the rolling brush 91 is positioned at the lowest end of the whole dust collector 9, and a small amount of water or cleaning liquid is injected to submerge at least a large half of the rolling brush 91, so that the soaking and cleaning effects of the rolling brush 91 are improved.

In order to achieve better waterproofing effect, the top of the front housing cover 6 is formed with a recess 61, and the plug-pin holder 5 is located in the recess 61. During charging, the tray 97 is wrapped outside the plug pin seat 5 and is located in the recess 61, and even if water drops enter between the outer wall of the tray 97 and the inner wall of the recess 61, the water drops cannot enter between the inner wall of the tray 97 and the plug pin seat 5.

In order to make the needle seat 5 better fit on the charging structure of the dust collector 9, a notch 62 is arranged on one surface of the concave part 61 close to the washing groove 11, and the needle seat 5 is positioned in the notch 62. That is, one side surface of the plug-in pin holder 5 is exposed outside the front cover 6 and can be closely attached to the charging structure of the cleaner 9.

The specific way of realizing the obtuse angle between the main body of the cleaner 9 and the cleaning head 99 is not limited, and the above structure is realized by that the washing tank bottom surface 112 is in a slope shape, and the rest part of the cleaning head 99 except the rolling brush 91 is obliquely placed on the washing tank bottom surface 112, and can also be realized by other ways.

In another mode, the self-cleaning seat further comprises two support tables 8 symmetrically arranged on the left side and the right side of the shell respectively, and two walking wheels of the dust collector 9 are placed on the two support tables 8 respectively during charging, so that one end, far away from the rolling brush 91, of the cleaning head 99 is lifted up, the cleaning head 99 is tilted forward under the action of gravity, and an obtuse angle is formed between the cleaning head 99 and the main body of the dust collector 9. Of course, this structure may be combined with the structure in which the washing tub bottom 112 is sloped, and the support base 8 and the sloped washing tub bottom 112 together make the cleaning head 99 in the charging state low in front and high in back, the higher the position on the washing tub bottom 112 closer to the housing.

Another advantage of providing two support platforms 8 is to make the whole cleaner 9 more stable, as shown in fig. 8, two walking wheels (big wheels) of the cleaner 9 are located at the left and right sides of the cleaner 9 to form two support points; the front end of the cleaning head 99 abuts on the lower side edge of the washing recess 11, forming a third support point. The gravity center of the dust collector 9 is projected on the ground within the range surrounded by the three supporting points, so that the whole dust collector 9 is ensured to be in a stable state.

In another mode, the tray 97 wrapped outside the needle holder 5 may form a hook structure with the tray 97 in addition to having a waterproof function. As shown in fig. 8 and 9, when the tray 97 is hung on the plug-in needle holder 5 during charging, the cleaning head 99 is tilted forward by gravity so that the cleaning head 99 forms an obtuse angle with the main body of the cleaner 9.

On the basis of the structure, the self-cleaning seat further comprises a plurality of shockproof foot pads 12 which are uniformly arranged on the bottom surface of the base 1, so that the stability of the self-cleaning seat can be improved, and the noise is reduced. The front shell cover 6 is provided with a bending structure 63, and the bending structure 63 bends towards the direction far away from the washing groove 11, so that a good damping and buffering effect can be achieved.

In order to improve the cleaning effect of the roller brush 91, a rib 13 is formed on the lower side wall of the washing recess 11, and when the roller brush 91 rotates, the rib 13 is rubbed to remove the dirt adhered to the surface of the roller brush 91. In addition, the convex ribs 13 can increase the strength of the side wall of the washing groove 11, avoid being pressed and deformed by the dust collector 9 when the dust collector 9 is cleaned, and prolong the service life of the self-cleaning seat.

The using method comprises the following steps: placing a dust collector 9 on the base 1, and starting charging when the contact pin 2 is contacted with the conducting strip; an appropriate amount of cleaning liquid such as water or cleaning liquid is poured into the washing recess 11, or the cleaning liquid is sprayed by a water pump, the cleaning liquid wets the rolling brush 91, and stains on the rolling brush 91 are scraped off by the wiping strip on the window and sucked into the sewage tank 51. During the rotation of the rolling brush 91, the liquid carried by the rolling brush is blocked by the turn-ups and the wiping strips around the washing groove 11, preventing the liquid from splashing out of the self-cleaning seat structure.

Under the above working principle, the specific cleaning methods mainly include two types: firstly, the whole machine is placed on a charging seat, the charging seat is plugged in, a speed regulation key is pressed for three seconds, pump water spraying and rolling brush rotation is about 20S and about 140ml water spraying, and motor operation water absorption and pump water spraying and rolling brush rotation is about 40S; and secondly, the whole machine is placed on a charging seat, the charging seat is plugged in, the charging seat quantitatively pours water, the speed regulation key is pressed for three seconds, the rolling brush rotates for about 20 seconds, and the motor works and the rolling brush rotates for about 40 seconds.

The wet and dry dust collector assembly is generally required to be provided with a sewage tank structure for improving the wet and dry separation, so that impurities such as water drops and dust are prevented from reaching the filtering piece along with the air flow, and the water vapor is prevented from influencing the filtering effect of the filtering piece. As shown in fig. 10, the sump structure includes a sump 51, a float 55, a filter frame 52, a sump upper cover 53, and a hypa assembly 54. Wherein the float 55 is provided in the sewage tank 51; the upper cover 53 of the sewage tank is detachably buckled on the sewage tank 51; the HEPA assembly 54 is arranged in the filter rack 52, and the HEPA assembly 54 and the filter rack 52 are jointly arranged in an accommodating space formed by the sewage tank 51 and the sewage tank upper cover 53 in an enclosing mode.

In use, the air flow carrying impurities such as sewage (in the form of water vapor or water drops) and dust moves along the curved direction with arrows in fig. 10. The liquid is sprayed out from the position a, then collides with the bottom surface of the filter frame 52 and is bounced to the position b; sewage in the airflow flows down along a circle of ribs at the position b; the cyclone is carried out for the first time in the process from the position b to the position c, and the position b is lower than the position c and lower than the position d, so when the airflow passes from the position b to the position d through the position c, most of sewage cannot reach the position d along with the airflow; in order to remove a small amount of sewage in the airflow, secondary cyclone is carried out in the process from the position d to the position e, the sewage or dust in the airflow can be effectively separated by utilizing the twice cyclone, the sewage is prevented from entering the HEPA component, and the filtering efficiency is improved.

The float 55 is located at a position in the wastewater tank 51 where wastewater is stored, and can rise as the wastewater rises. When the amount of sewage in the sewage tank 51 reaches a certain value, the float 55 floats up to block the opening d of the filter frame 52, so that a large amount of sewage is prevented from wetting the seawater in the seawater assembly 54 through the opening d.

The sewage tank is reasonable in structural design, the reasonability of space arrangement is considered in the design of each part, for example, the floater 55 is designed to be oval in cross section, so that the water storage amount of the existing sewage tank is improved from 200ml to 400ml, the application range is wider, and the use is more convenient.

In addition, a battery pack assembly is typically provided on the cleaner, which is used to power the cleaner when it is inconvenient to directly connect to a power source. For wet and dry vacuum cleaner assemblies, it is important how waterproof the battery pack assembly is. As shown in fig. 11 and 12, an accommodating space is formed inside the body and the body cover plate after the body and the body cover plate are fastened, and the battery pack assembly is disposed in the accommodating space.

Specifically, a rotating shaft is arranged on the machine body, and the machine body cover plate rotates around the rotating shaft to be opened. The drain tank 44 is arranged at the position close to the rotating shaft, when water is sprayed, water can flow to the gap position close to the rotating shaft and flow out along the drain tank 44, the situation that the water flows into the accommodating space to wet the battery pack assembly is avoided, and the service life of the battery pack assembly is prolonged.

The body cover plate is covered on the body 45, and a seam allowance is arranged between the body cover plate and the body 45 to prevent outside water flow from entering between the battery pack assembly and the battery bracket from a gap between the body cover plate and the body 45. On the basis of the structure, the gap between the upper cover 46 and the lower cover 47 of the battery pack is higher than the gap between the machine body 45 and the cover plate of the machine body, so that even if water drops enter the machine body 45, the water drops cannot splash upwards due to self gravity, and the water drops are prevented from entering the battery pack from the gap between the upper cover and the lower cover of the battery pack.

The battery support 41 is provided with the water leakage holes 42, so that even a small amount of water drops enter the machine body 45 from the gap between the machine body 45 and the machine body cover plate, the water drops can flow out of the water leakage holes 42, and the water drops cannot be accumulated. In order to prevent the battery pack from being short-circuited due to water inflow, the battery pack and the battery holder 41 are connected by the coupler 43, and the coupler 43 has a certain height so that the normal electrical connection of the battery pack is not affected even if a small amount of water is accumulated.

It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.

Claims

1. The utility model provides a have self-cleaning seat of function of charging concurrently, includes base (1), is used for treating contact pin (2) of charging device power supply, is used for connecting plug (3) of power and is used for installing contact pin seat (5) of contact pin (2), plug (3) are connected to through power cord (4) contact pin (2), its characterized in that, be provided with washing recess (11) on base (1), washing recess (11) are including being used for holding concave part (111) of waiting to soak cleaning head (99) upper roll brush (91) and being used for supporting on cleaning head (99) except that the wash tank bottom surface (112) of the other parts outside roll brush (91), wash tank bottom surface (112) are the slope form.

2. Self-cleaning seat with charging function according to claim 1, characterized in that it comprises a housing connected to the base (1), and the higher the position on the bottom surface (112) of the washing tank is, the higher the position is, two support platforms (8) are symmetrically arranged on the left and right sides of the housing.

3. Self-cleaning holder with charging function according to claim 2, wherein the housing comprises a front housing cover (6) and a rear housing cover (7) which are fastened together, a cavity is enclosed between the front housing cover (6) and the rear housing cover (7), and a device for connecting the power line (4) and the contact pin (2) is arranged in the cavity.

4. Self-cleaning holder with charging function according to claim 3, characterized in that the top of the front housing cover (6) forms a recess (61), and the plug-in socket (5) is located in the recess (61).

5. The self-cleaning holder with the function of charging as claimed in claim 4, wherein a notch (62) is formed on a surface of the concave portion (61) close to the washing groove (11), and the needle holder (5) is located in the notch (62).

6. Self-cleaning seat with charging function according to any of claims 1 to 5, characterized in that it further comprises a plurality of shockproof foot pads (12) uniformly arranged on the bottom surface of the base (1).

7. The self-cleaning seat with charging function as claimed in any one of claims 1 to 5, wherein a rib (13) is formed on the lower side wall of the washing recess (11).

8. Self-cleaning seat with charging function according to any of claims 1 to 5, characterized in that the inclination of the bottom surface of the washing recess (11) is within 105 ° ± 5 °.

9. A cleaning assembly comprising a cleaning device with cleaning function, characterized in that it further comprises a self-cleaning seat with charging function according to any one of claims 1 to 8, wherein the cleaning head (99) of the cleaning device can be obliquely placed in the washing groove (11) for self-cleaning, and the rolling brush (91) of the cleaning head (99) is located in the lower recess (111).

10. The cleaning assembly according to claim 9, characterized in that the cleaning device further comprises a clean water tank and a dirty water tank (51), a clean water inlet channel being provided between the clean water tank and the washing recess (11), a dirty water recovery channel being provided between the dirty water tank (51) and the washing recess (11); the cleaning liquid in the clean water tank can enter the washing groove (11) through the clean water inlet channel, and the cleaning liquid can enter the sewage tank (51) through the sewage recovery channel after cleaning the cleaning head (99).