CN220089369U - Cleaning device - Google Patents

Abstract

The utility model relates to the technical field of cleaning machinery, and provides a cleaning device, which comprises: a body; the clear water tank is arranged on the machine body and is used for storing clear water; the floor brush is pivotally connected to the machine body and comprises a main body and a rolling brush which is arranged on the main body and used for cleaning the floor; a blower assembly mounted to the main body for providing suction to the cleaning device; the sewage tank is arranged on the main body and is used for recycling sewage generated by the rolling brush; the water pump is arranged on the main body and connected with the clear water tank, and the clear water tank conveys clear water to the rolling brush through the water pump; the HEPA filter assembly is arranged on the main body and is arranged on one side of the fan assembly, and the sewage tank is communicated with the fan assembly through the HEPA filter assembly. The utility model can greatly shorten the length of the air duct of the whole cleaning device, lighten the weight of the machine body and reduce the gravity center of the cleaning device, improves the force of the fan assembly for absorbing sewage, and ensures that garbage is easier to inhale and more convenient to use.

Description

Cleaning device

Technical Field

The utility model relates to the technical field of cleaning machinery, in particular to a cleaning device.

Background

With the improvement of life quality of people, the cleaning device becomes a common electrical appliance for cleaning floors. At present, a common sucking, dragging and washing floor cleaning device in the market is characterized in that a sewage tank is usually arranged on a machine body, sewage is required to return to the sewage tank upwards from a floor brush during collection, the structure ensures that the sewage needs to consume large suction force of a motor during collection, and dirt of the sewage is easy to be attached to a pipeline during long-time use, so that a sewage pipe is jammed, and the collection of the sewage is affected.

In order to solve the above problems, a cleaning device for installing a sewage tank on a floor brush has been developed, such as CN113749581a, 2021, 12 and 7, and the patent name is a chinese utility model patent for a floor cleaning device, which shortens the path of sewage collection by installing the sewage tank on the floor brush, so that sewage can be collected into the sewage tank rapidly. However, the sewage tank is arranged on the ground brush, and the motor is arranged on the machine body, so that the negative pressure generated by the motor on the sewage tank is low, the suction force of the motor on sewage is insufficient, and the sewage cannot be completely sucked into the sewage tank, so that the sewage is remained on the floor.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model aims to provide the cleaning device capable of shortening the length of an air duct and improving the suction strength.

In order to solve the problems, the utility model provides the following technical scheme:

a cleaning device, comprising:

a body;

the clear water tank is arranged on the machine body and is used for storing clear water;

a floor brush pivotally connected to the body, the floor brush including a main body and a roll brush mounted to the main body for cleaning a floor;

a blower assembly mounted to the main body for providing suction to the cleaning device;

the sewage tank is arranged on the main body and is used for recycling sewage generated by the rolling brush;

the water pump is arranged on the main body and is connected with the clear water tank, and the clear water tank conveys clear water to the rolling brush through the water pump;

the HEPA filter assembly is arranged on the main body and arranged on one side of the fan assembly, and the sewage tank is communicated with the fan assembly through the HEPA filter assembly.

In one embodiment, the tank includes a first housing, a second housing, and a third housing;

the first shell comprises a sewage cavity for containing sewage and a water inlet arranged at one side of the sewage cavity;

the second shell comprises a first air suction port communicated with the water inlet and a second air suction port communicated with the HEPA filter assembly;

when the second shell is covered on the first shell, and the third shell is covered on the second shell, a first air suction channel is formed in the sewage tank, and the first air suction channel passes through the first air suction port from the water inlet to be communicated with the second air suction port.

In one embodiment, the fan assembly includes a main motor and a housing carrying the main motor;

the main motor comprises a third accommodating cavity, a motor driving piece arranged in the third accommodating cavity, a rotating shaft protruding from the motor driving piece to two sides, and a first impeller and a second impeller arranged at two ends of the rotating shaft;

the shell comprises a fourth accommodating cavity, a third air suction port and a first air outlet, wherein the fourth accommodating cavity is separated from the third accommodating cavity, the third air suction port is connected with the HEPA filter assembly, the first air outlet is connected with the fourth accommodating cavity, and the third air suction port is communicated with the first air outlet through the fourth accommodating cavity to form a second air suction channel;

one end of the rotating shaft extends into the fourth accommodating cavity so that the first impeller is arranged in the fourth accommodating cavity, and the second impeller is arranged in the third accommodating cavity;

the shell also comprises a fourth air inlet connected with the third accommodating cavity and a second air outlet connected with the third accommodating cavity; the fourth air suction inlet is communicated with the second air outlet through the third accommodating cavity so as to form a heat dissipation channel.

In one embodiment, the sea paper filtering component comprises a sea paper lower shell attached to the machine shell, a sea paper upper shell pivotally connected to the sea paper lower shell and sea paper filtering cotton clamped between the sea paper lower shell and the sea paper upper shell;

the HEPA filter cotton is annular, the middle part of the HEPA filter cotton is provided with a hollow area, and the third air suction port and the hollow area of the HEPA filter cotton are arranged in opposite directions.

In an embodiment, the fan assembly comprises a partition plate arranged between the main motor and the casing, one end of the partition plate is arranged around the third air suction port, and the other end of the partition plate is in butt joint with the inner side wall of the casing parallel to the third air suction port;

the fan assembly comprises a first sealing ring arranged between the third air suction port and the partition plate, a second sealing ring arranged at the joint of the partition plate and the inner side wall of the shell, a third sealing ring arranged between the main motor and the shell and a fourth sealing ring arranged between the main motor and the partition plate;

the third sealing ring is close to the fourth air suction port, and the fourth sealing ring is close to the third air suction port.

In an embodiment, the first air suction port is disposed at one side of the second housing along a first direction and a second direction, and the second air suction port is disposed at a diagonal of the first air suction port;

the water inlet is arranged on one side of the sewage tank along the second direction, and the water inlet is arranged in the center of one side of the sewage tank along the first direction and is positioned on one side of the first air suction port;

the first air suction port is arranged at the top end of the second shell along the third direction, and the water inlet and the second air suction port are arranged on the same horizontal plane along the third direction;

the first direction, the second direction and the third direction are all perpendicular to each other.

In an embodiment, the sewage tank includes a filter screen mounted to the second housing, the filter screen being mounted to the first suction port along a third direction;

the second shell protrudes towards the sewage cavity along a third direction, and a water baffle is arranged between the water inlet and the first air suction inlet.

In one embodiment, the floor brush comprises a water spray valve arranged on one side of the rolling brush along a second direction, and the water spray valve is communicated with the water pump;

the water spraying valve is uniformly provided with a plurality of spray heads, and the spray heads are arranged opposite to the rolling brush.

In one embodiment, the sewage tank further comprises a sewage outlet arranged at one side of the rolling brush, the sewage outlet is arranged at the lower end of the water spraying valve along a third direction, and the sewage outlet is communicated with the water inlet to form a water inlet channel;

and the caliber of the sewage outlet is gradually increased along the second direction and close to one side of the rolling brush.

In an embodiment, the water inlet channel is communicated with the first air suction channel, and the first air suction channel passes through the filter screen and the HEPA filter cotton to be communicated with the second air suction channel.

The beneficial effects of the utility model are as follows: the sewage tank, the HEPA filter assembly and the fan assembly are all arranged on the ground brush, so that the whole air duct length of the cleaning device can be greatly shortened, the weight of the machine body is reduced, the gravity center of the cleaning device is reduced, the distance that air flow in the sewage tank reaches the fan assembly through the HEPA filter assembly is shortened, the force of the fan assembly for adsorbing sewage is improved, garbage is easier to inhale, the service time of the cleaning device is longer, the cleaning area is larger, and the charging times are reduced under the condition of the same battery capacity; in addition, the sea paper filtering component is independently arranged on one side of the fan component, so that the sea paper filtering component is independently disassembled, assembled and cleaned and replaced, the whole structure is simple, convenient to disassemble and clean, and meanwhile, the volume of the sea paper filtering cotton can be further increased, and the filtering effect is improved.

Drawings

FIG. 1 is a perspective view of one embodiment of a cleaning device of the present utility model;

FIG. 2 is a schematic view of one embodiment of the fuselage of FIG. 1;

FIG. 3 is a schematic view of one embodiment of the floor brush of FIG. 1;

FIG. 4 is an exploded schematic view of one embodiment of the floor brush of FIG. 1;

FIG. 5 is a top view of one embodiment of the floor brush of FIG. 1;

FIG. 6 is a cross-sectional view of one embodiment of the floor brush of FIG. 3;

FIG. 7 is a cross-sectional view of one embodiment of the blower assembly and the HEPA filter assembly of FIG. 3;

FIG. 8 is an exploded view of one of the embodiments of the blower assembly of FIG. 3;

FIG. 9 is an exploded view of one of the embodiments of the tank of FIG. 3;

FIG. 10 is an exploded view of another embodiment of the tank of FIG. 3;

FIG. 11 is an exploded view of one embodiment of the HEPA filter assembly of FIG. 3;

FIG. 12 is an exploded view of one embodiment of the roll brush of FIG. 3;

fig. 13 is a schematic view of the structure of one embodiment of the roll brush in fig. 3.

Reference numerals:

100. a cleaning device;

1. a body;

2. a handle;

3. a clean water tank;

4. a water pump; 41. a flow guiding pipe;

5. a floor brush; 50. a main body; 51. a rolling brush; 501. an intermediate shell; 502. a pivoting housing; 55. a water spray valve; 511. a spray head; 52. a roller; 53. an abutment; 54. a driving motor;

6. a fan assembly; 61. a main motor; 62. a housing; 60a, a third accommodating cavity; 611. a motor driving member; 612. a rotating shaft; 613. a first impeller; 614. a second impeller; 61a, a fourth housing chamber; 61b, a third air suction port; 62b, fourth air suction port; 61c, a first air outlet; 62c, a second air outlet; 61d, a second air suction channel; 62d, heat dissipation channels; 62a, openings; 63. a partition plate; 64. a first seal ring; 65. a second seal ring; 66. a third seal ring; 67. a fourth seal ring;

7. a sewage tank; 71. a first housing; 72. a second housing; 73. a third housing; 70a, a sewage chamber; 71b, a water inlet; 72b, a first air suction port; 73b, a second air suction port; 70d, a first air suction channel; 74b, a sewage port; 71d, a water inlet channel; 74. a filter screen; 75. a water baffle;

8. a hepa filtration assembly; 81. a sea paper lower shell; 82. an upper shell of the sea-tangle; 83. a HEPA filter cotton; 821. a knob; 83a, hollow areas;

9. and a battery.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

For convenience in description of the first direction, the second direction and the third direction in the embodiment of the present utility model, the first direction is a left-right direction in the drawing, the second direction is a front-back direction in the drawing, and the third direction is an up-down direction in the drawing. The x-axis arrow direction is referred to as the "right" direction, the y-axis arrow direction is referred to as the "rear" direction, and the z-axis arrow direction is referred to as the "up" direction.

Referring to fig. 1-6 and 12, the present embodiment provides a cleaning device 100, which includes: the device comprises a machine body 1, a handle 2 arranged at one end of the machine body 1 and used for holding, a clear water tank 3 arranged at the machine body 1, a water pump 4 and a battery 9 arranged at the top end of the clear water tank 3, wherein the battery 9 is used for storing electric quantity and supplying power to a fan assembly 6; further, the clean water tank 3 is used for storing clean water, and is connected to the clean water tank 3 through the water pump 4 so as to convey the clean water. Further, the cleaning device 100 further includes a floor brush 5 pivotally connected to the main body 1, the floor brush 5 including a main body 50 and a roller brush 51 mounted to the main body 50; the cleaning device 100 further comprises a fan assembly 6 and a sewage tank 7, suction force is provided for the cleaning device 100 through the fan assembly 6, the ground brush 5 further comprises a driving motor 54 arranged on one side of the rolling brush 51 along the second direction, the driving motor 54 is electrically connected with the battery 9 so as to supply power to the rolling brush 51 to enable the rolling brush 51 to rotate, the clean water tank 3 conveys clean water to the rolling brush 51 through the water pump 4, and the suction force of the suction force motor on sewage generated by the rolling brush 51 is used for sucking the sewage into the sewage tank 7 for waiting recovery; still further, the cleaning apparatus 100 further includes a sea paper filter assembly 8 mounted to the main body 50, the sea paper filter assembly 8 being disposed at one side of the blower assembly 6 in the first direction, and the sewage tank 7 being in communication with the blower assembly 6 through the sea paper filter assembly 8 such that an air flow entering the motor is filtered.

Referring to fig. 3-5, optionally, the main body 50 includes an intermediate housing 501 for loading the sewage tank 7 and the hepa filter assembly 8 and a pivoting housing 502 for housing the blower assembly 6; the roller brush 51 is provided at one side of the middle case 501 in the second direction.

Referring to fig. 3-5, 7 and 11, in this embodiment, the hepatica filter assembly 8 is separated from and communicated with the sewage tank 7, so that the hepatica filter assembly 8 is independently installed on one side of the blower assembly 6, and thus the hepatica filter assembly 8 can be independently disassembled, assembled, cleaned and replaced, and the process of disassembling the hepatica filter assembly 8 when treating sewage in the sewage tank 7 is avoided instead of the structure that the hepatica filter assembly 8 is installed in the sewage tank 7; further, the sea paper filtering component 8 comprises a sea paper lower shell 81, a sea paper upper shell 82 which is pivotally connected with the sea paper lower shell 81 and sea paper filtering cotton 83 which is clamped between the sea paper lower shell 81 and the sea paper upper shell 82, a rotatable knob 821 is arranged on the sea paper upper shell 82, the tightness between the sea paper upper shell 82 and the sea paper lower shell 81 can be adjusted by rotating the knob 821, so that the sea paper filtering component 8 is twisted or the sea paper upper shell 82 is twisted to take out the sea paper filtering cotton 83 for cleaning, the disassembly and assembly of the sea paper filtering component 8 are simplified, and the whole structure is simple and convenient to disassemble and clean; in addition, as the sewage tank 7 is arranged on the floor brush 5, the volume of the HEPA filter element 83 is difficult to be increased because the space of the floor brush 5 is limited by the traditional HEPA filter element 8 arranged in the sewage tank 7, and the volume of the HEPA filter element 83 can be further increased by independently arranging the HEPA filter element 8, so that the filtering effect is improved; in addition, in this embodiment, the sewage tank 7, the hepa filtering component 8 and the fan component 6 of the cleaning device 100 are all installed on the floor brush 5, so that the overall air duct length of the cleaning device 100 can be greatly shortened, the weight of the machine body 1 is reduced, the gravity center of the cleaning device 100 is reduced, the force of the fan component 6 for adsorbing sewage is improved, garbage is easier to inhale, the service time of the cleaning device 100 is longer, the cleaning area is larger, the charging times are reduced under the condition of the same battery 9 capacity, the cleaning device is easier and more convenient to use, and the machine body 1 can rotate to form 180-degree horizontal cleaning bed with the floor brush 5, sofa bottom and other low areas.

Referring to fig. 3 to 6 and 9 to 10, the sewage tank 7 preferably includes a first housing 71, a second housing 72, and a third housing 73; the first housing 71 includes a sewage chamber 70a for holding sewage and a water inlet 71b provided at one side of the sewage chamber 70a in a second direction, the mouth of the sewage chamber 70a is provided in an open structure, the first housing 71 protrudes from one side of the sewage chamber 70a toward the center of the mouth of the sewage chamber 70a to form a water inlet pipe, the water inlet 71b is provided at an end of the water inlet pipe and is flush with the mouth of the sewage chamber 70a, the structure allows as much sewage as possible to flow into the sewage chamber 70a through the water inlet 71b, and the overflow of sewage caused by the water inlet 71b being lower than the sewage chamber 70a is avoided; further, the second housing 72 includes a first suction port 72b communicating with the water inlet 71b and a second suction port 73b communicating with the upper sea chest 82 of the sea chest filter assembly 8; when the second casing 72 is covered on the first casing 71 along the third direction and the third casing 73 is covered on the second casing 72 along the third direction, a first air suction channel 70d is formed in the sewage tank 7, and the first air suction channel 70d is communicated with the second air suction port 73b from the water inlet 71b through the first air suction port 72b; it will be appreciated that the design of the first suction channel 70d is completed in the sewage tank 7, so that the air flow in the sewage tank 7 reaches the fan assembly 6 through the hepa filter assembly 8, and the blockage is not easy to be caused, and the garbage is easier to be sucked.

Referring to fig. 3-6 and fig. 9-10, specifically, the fan assembly 6 includes a main motor 61 and a housing 62 for loading the main motor 61, and a lower shell 81 of the current embodiment is attached to one side of the housing 62 along a first direction; further, the main motor 61 includes a third receiving chamber 60a, a motor driving member 611 installed in the third receiving chamber 60a, a rotation shaft 612 protruding from the motor driving member 611 to both sides, and a first impeller 613 and a second impeller 614 installed at both ends of the rotation shaft 612 in a first direction; the casing 62 includes a fourth accommodating cavity 61a separated from the third accommodating cavity 60a, a third air suction port 61b connected to the Yu Haipa filter assembly 8, and a first air outlet 61c connected to the fourth accommodating cavity 61a, wherein the third air suction port 61b communicates with the first air outlet 61c through the fourth accommodating cavity 61a to form a second air suction channel 61d; in this embodiment, the hepa filter cotton 83 is annular, and the middle is provided with a hollow area 83a, and by arranging the hollow area 83a of the hepa filter cotton 83 opposite to the third air suction port 61b along the first direction and clamping the hepa filter cotton 83 by the hepa upper shell 82 and the hepa lower shell 81 along the first direction, the air flow and the particulate matters passing through the hepa filter assembly 8 from the first air suction channel 70d in the sewage tank 7 can only pass through the outer side wall of the hepa filter assembly 8 to reach the hollow area 83a, and can enter the casing 62, so as to realize the depth filtration of the air flow and the particulate matters passing through the first air suction channel 70d, and ensure that the debris or the particulate matters floating in the air flow are not sucked into the casing 62; further, one end of the rotating shaft 612 extends into the fourth accommodating cavity 61a so that the first impeller 613 is mounted in the fourth accommodating cavity 61a, and the second impeller 614 is mounted in the third accommodating cavity 60a; the motor driving piece 611 drives the rotating shaft 612 to rotate so as to drive the first impeller 613 to rotate, so that the main motor 61 provides suction force for the first suction channel 70 d; further, the third accommodating cavity 60a and the fourth accommodating cavity 61a are separated, so that the air flow in the first air suction channel 70d passes through the third air suction port 61b and enters the casing 62, is directly dispersed towards the inner side wall of the casing 62 by the fan blades of the first impeller 613, and then passes through the second air suction channel 61d and is discharged outwards from the first air outlet 61 c; the structure is that the air flow sucked into the casing 62 from the first air suction channel 70d cannot enter the third accommodating cavity 60a, so that the influence of the air flow in the first air suction channel 70d on the motor driving piece 611 in the third accommodating cavity 60a due to high humidity and fine particles is avoided; in addition, the fourth air suction port 62b and the second air outlet port 62c are both arranged on the other side of the floor brush 5 facing away from the HEPA filter assembly 8 along the first direction, and the fourth air suction port 62b is communicated with the motor driving piece 611, and the motor driving piece 611 is provided with an opening 62a communicated with the third accommodating cavity 60a; the structure is that a heat dissipation channel 62d is formed in the casing 62 and is communicated with the second air outlet 62c from the fourth air inlet 62b, the cold air flow is sucked into the motor driving piece 611 through the rotation of the second impeller 614 so as to dissipate heat of the motor driving piece 611, the cold air flow acted on the motor driving piece 611 is changed into hot air flow and enters the third accommodating cavity 60a after passing through the opening 62a, and then flows out from the second air outlet 62c so as to take away heat generated in the rotation process of the motor driving piece 611.

Referring to fig. 7 to 8, specifically, the fan assembly 6 includes a partition 63 installed between the main motor 61 and the casing 62, according to the above scheme, one end of the partition 63 is enclosed in the third air intake 61b, and the other end abuts against the inner sidewall of the casing 62 parallel to the third air intake 61b to separate the third accommodating cavity 60a from the fourth accommodating cavity 61 a; in addition, the fan assembly 6 further includes a first sealing ring 64 installed between the third air intake 61b and the partition 63, a second sealing ring 65 installed at a position where the partition 63 abuts against an inner side wall of the casing 62, a third sealing ring 66 installed between the main motor 61 and the casing 62, and a fourth sealing ring 67 installed between the main motor 61 and the partition 63; the third sealing ring 66 is close to the fourth air suction port 62b, the fourth sealing ring 67 is close to the third air suction port 61b, and the structure is characterized in that the joints of the partition plate 63, the casing 62 and the main motor 61 are all sealed by arranging a plurality of sealing rings, so that the independence of the third accommodating cavity 60a and the fourth accommodating cavity 61a is ensured, and two mutually independent air channels are formed in the casing 62 of the fan assembly 6. It can be understood that, the second air suction channel 61d is a main air channel leading to the first air suction channel 70d in the sewage tank 7, the other heat dissipation channel 62d is an air channel for heat dissipation by the motor driving member 611, and the two air channels are independent of each other, so that the heat dissipation channel 62d is prevented from shunting the second air suction channel 61d, and the suction force of the second air suction channel 61d to the first air suction channel 70d is improved. Further, by arranging the motor on the ground brush 5, the position of the air flow of the second air suction channel 61d is lower when the air flow is discharged outwards from the first air outlet 61c, so that the air flow is prevented from blowing upwards, and the air flow is prevented from blowing upwards, so that the moisture or the polluted fine particles are brought into the air, and the cleaning process has an environment-friendly effect; in addition, the heat of the main motor 61 is taken away through the heat dissipation channel 62d, so that the main motor 61 is cooled, and the service life of the main motor 61 is prolonged.

Referring to fig. 2 and 12-13, the floor brush 5 preferably includes a water spray valve 55 installed at one side of the rolling brush 51 in the second direction, and the water pump 4 is connected to the water spray valve 55 by providing a flow guide 41 for delivering clean water; the spray valve 55 is provided with a plurality of spray heads 511 which are uniformly distributed along the first direction, the spray heads 511 are arranged opposite to the rolling brush 51, clean water is sprayed on the rolling brush 51 through the spray valve 55, the bottom of the ground brush 5 is provided with a roller 52, and the rolling brush 51 is driven by the driving motor 54 to rotate the rolling brush 51, so that the ground brush 5 cleans the ground in the moving process after the roller 52 rotates; further, the ground brush 5 further comprises an abutting piece 53 abutting against one side of the rolling brush 51 and used for extruding sewage in the rolling brush 51, the sewage tank 7 further comprises a sewage port 74b arranged on one side of the rolling brush 51, the sewage port 74b is arranged at the lower end of the water spraying valve 55 along the third direction, and the sewage port 74b is communicated with the water inlet 71b to form a water inlet channel 71d; the structure is that when the rolling brush 51 cleans the floor during rotation, the sewage generated by cleaning on the rolling brush 51 is extruded and flows into the sewage port 74b by the extrusion of the abutting piece 53, and enters the sewage cavity 70a through the water inlet channel 71d; in addition, the caliber of the sewage port 74b gradually increases along the second direction near the side of the rolling brush 51, so that the maximum caliber of the sewage port 74b is equal to the length of the rolling brush 51 along the first direction, and thus the sewage generated by the rolling brush 51 can be completely sucked into the sewage tank 7, and the cleaned ground is ensured to be clean and tidy.

Referring to fig. 3-7 and fig. 9-11, specifically, the sewage tank 7 includes a filter screen 74 mounted on the second housing 72, and the filter screen 74 is mounted on the first air intake 72b along the third direction; in addition, the second casing 72 protrudes toward the sewage chamber 70a along the third direction, and the water baffle 75 is arranged between the water inlet 71b and the first air suction opening 72b, so that when sewage is sucked into the sewage chamber 70a from the water inlet 71b, the water baffle 75 at one side of the water inlet 71b shields the sewage and the garbage such as fine broken hair, so that the sewage is prevented from being directly sucked into the first air suction opening 72b from the sewage opening 74b and falling into the bottom end of the sewage chamber 70a, and the garbage in the sewage chamber 70a is blocked by the filter screen 74, so that the garbage such as the fine broken and the hair of the larger sewage is prevented from entering the first air suction channel 70 d; in this embodiment, the water inlet channel 71d is communicated with the first air suction channel 70d, the first air suction channel 70d passes through the filter screen 74 and the hepa filter cotton 83 to be communicated with the second air suction channel 61d, and finally, a complete air channel structure from the first air outlet 61c to the sewage outlet 74b is realized, and the air channel structure performs double filtration on the garbage in the air flow by matching the filter screen 74 with the hepa filter cotton 83; further, the first air suction port 72b is provided at one side of the second housing 72 in both the first direction and the second direction, and the second air suction port 73b is provided at a diagonal of the first air suction port 72b; further, the water inlet 71b is provided at one side of the sewage tank 7 in the second direction, and the water inlet 71b is provided at the center of one side of the sewage tank 7 in the first direction and at one side of the first suction port 72b; further, the first air suction port 72b is provided at the top end of the second housing 72 in the third direction, and the water inlet 71b and the second air suction port 73b are provided at the same horizontal plane in the third direction; by arranging the first suction channel 70d in a twisted shape, when the motor driving piece 611 drives the first impeller 613 to rotate, sewage is sucked into the sewage cavity 70a, at this time, air current generated by suction moves towards the water inlet 71b along with the suction, and because the water baffle 75 is arranged at one side of the water inlet 71b, part of lighter garbage easily moves towards the first suction channel 70d along with the air, the structure is that the first suction port 72b of the first suction channel 70d is not easily blocked by matching with the water baffle 75, namely, the phenomenon that the garbage is attached to the filter screen 74 to cause the blocking of the first suction channel 70d, and simultaneously, tiny particles or fine garbage which are not filtered by the filter screen 74 and enter the first suction channel 70d are attached to the side wall of the second shell 72 or the third shell 73 when passing through the twisted channel is avoided, the second suction port 73b is prevented from being blocked, the structure enables the main motor 61 to use lower power to be smoothly sucked between 50W and 100W, the sewage tank for single use of the cleaning device 100 is finally realized, the time of cleaning device is simplified, and the time of cleaning the sewage tank is shortened, and the frequent cleaning of the device is shortened, and the cleaning time of the device is shortened.

In summary, the utility model provides a cleaning device, which is characterized in that a sewage tank, a hepa filtering component and a fan component are all arranged on a ground brush, so that the length of an air duct of the whole cleaning device can be greatly shortened, the weight of a machine body is reduced, the gravity center of the cleaning device is lowered, the distance that air flow in the sewage tank reaches the fan component through the hepa filtering component is shortened, the force of the fan component for absorbing sewage is improved, garbage is easier to inhale, and the cleaning device has longer service time, larger cleaning area and reduced charging times under the condition of the same battery capacity; in addition, the sea paper filtering component is independently arranged on one side of the fan component, so that the sea paper filtering component is independently disassembled, assembled and cleaned and replaced, the whole structure is simple, convenient to disassemble and clean, and meanwhile, the volume of the sea paper filtering cotton can be further increased, and the filtering effect is improved.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be appreciated by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not drive the essence of the corresponding technical solutions to depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims (10)

1. A cleaning device, comprising:

a body;

the clear water tank is arranged on the machine body and is used for storing clear water;

a floor brush pivotally connected to the body, the floor brush including a main body and a roll brush mounted to the main body for cleaning a floor;

a blower assembly mounted to the main body for providing suction to the cleaning device;

the sewage tank is arranged on the main body and is used for recycling sewage generated by the rolling brush;

the water pump is arranged on the main body and is connected with the clear water tank, and the clear water tank conveys clear water to the rolling brush through the water pump;

the HEPA filter assembly is arranged on the main body and arranged on one side of the fan assembly, and the sewage tank is communicated with the fan assembly through the HEPA filter assembly.

2. A cleaning device according to claim 1, wherein: the sewage tank comprises a first shell, a second shell and a third shell;

the first shell comprises a sewage cavity for containing sewage and a water inlet arranged at one side of the sewage cavity;

the second shell comprises a first air suction port communicated with the water inlet and a second air suction port communicated with the HEPA filter assembly;

when the second shell is covered on the first shell, and the third shell is covered on the second shell, a first air suction channel is formed in the sewage tank, and the first air suction channel passes through the first air suction port from the water inlet to be communicated with the second air suction port.

3. A cleaning device according to claim 2, wherein: the fan assembly comprises a main motor and a shell for loading the main motor;

the main motor comprises a third accommodating cavity, a motor driving piece arranged in the third accommodating cavity, a rotating shaft protruding from the motor driving piece to two sides, and a first impeller and a second impeller arranged at two ends of the rotating shaft;

the shell comprises a fourth accommodating cavity, a third air suction port and a first air outlet, wherein the fourth accommodating cavity is separated from the third accommodating cavity, the third air suction port is connected with the HEPA filter assembly, the first air outlet is connected with the fourth accommodating cavity, and the third air suction port is communicated with the first air outlet through the fourth accommodating cavity to form a second air suction channel;

one end of the rotating shaft extends into the fourth accommodating cavity so that the first impeller is arranged in the fourth accommodating cavity, and the second impeller is arranged in the third accommodating cavity;

the shell also comprises a fourth air inlet connected with the third accommodating cavity and a second air outlet connected with the third accommodating cavity; the fourth air suction inlet is communicated with the second air outlet through the third accommodating cavity so as to form a heat dissipation channel.

4. A cleaning device according to claim 3, wherein: the sea paper filtering component comprises a sea paper lower shell attached to the shell, a sea paper upper shell pivotally connected to the sea paper lower shell and sea paper filtering cotton clamped between the sea paper lower shell and the sea paper upper shell;

the HEPA filter cotton is annular, the middle part of the HEPA filter cotton is provided with a hollow area, and the third air suction port and the hollow area of the HEPA filter cotton are arranged in opposite directions.

5. A cleaning device according to claim 3, wherein: the fan assembly comprises a partition plate arranged between the main motor and the shell, one end of the partition plate is arranged around the third air suction port, and the other end of the partition plate is in butt joint with the inner side wall of the shell parallel to the third air suction port;

the fan assembly comprises a first sealing ring arranged between the third air suction port and the partition plate, a second sealing ring arranged at the joint of the partition plate and the inner side wall of the shell, a third sealing ring arranged between the main motor and the shell and a fourth sealing ring arranged between the main motor and the partition plate;

the third sealing ring is close to the fourth air suction port, and the fourth sealing ring is close to the third air suction port.

6. A cleaning device according to claim 4, wherein: the first air suction port is arranged on one side of the second shell along the first direction and the second direction, and the second air suction port is arranged on the opposite angle of the first air suction port;

the water inlet is arranged on one side of the sewage tank along the second direction, and the water inlet is arranged in the center of one side of the sewage tank along the first direction and is positioned on one side of the first air suction port;

the first air suction port is arranged at the top end of the second shell along the third direction, and the water inlet and the second air suction port are arranged on the same horizontal plane along the third direction;

the first direction, the second direction and the third direction are all perpendicular to each other.

7. A cleaning device according to claim 6, wherein: the sewage tank comprises a filter screen arranged on the second shell, and the filter screen is arranged on the first air suction port along a third direction;

the second shell protrudes towards the sewage cavity along a third direction, and a water baffle is arranged between the water inlet and the first air suction inlet.

8. A cleaning device according to claim 7, wherein: the floor brush comprises a water spray valve arranged at one side of the rolling brush along a second direction, and the water spray valve is communicated with the water pump;

the water spraying valve is uniformly provided with a plurality of spray heads, and the spray heads are arranged opposite to the rolling brush.

9. A cleaning device according to claim 8, wherein: the sewage tank further comprises a sewage outlet arranged at one side of the rolling brush, the sewage outlet is arranged at the lower end of the water spraying valve along a third direction, and the sewage outlet is communicated with the water inlet to form a water inlet channel;

and the caliber of the sewage outlet is gradually increased along the second direction and close to one side of the rolling brush.

10. A cleaning device according to claim 9, wherein: the water inlet channel is communicated with the first air suction channel, and the first air suction channel passes through the filter screen and the HEPA filter cotton to be communicated with the second air suction channel.