CN111714036A

CN111714036A - Cleaning device

Info

Publication number: CN111714036A
Application number: CN202010501235.4A
Authority: CN
Inventors: 苏杭; 丁铁; 孙邓泉
Original assignee: Midea Group Co Ltd; Jiangsu Midea Cleaning Appliances Co Ltd
Current assignee: Midea Robozone Technology Co Ltd
Priority date: 2020-06-04
Filing date: 2020-06-04
Publication date: 2020-09-29

Abstract

The invention discloses a cleaning device, comprising: the casing, the round brush subassembly, roller assembly and dirt box, the bottom of casing has first opening and second opening, in the direction of travel of casing, first opening is located the bottom front end of casing, the second opening is located the bottom rear end of casing, the round brush subassembly includes round brush and first driver, the round brush is located first opening part, first driver drive round brush rotates, the brush hair of sweeping the floor has on the round brush, roller assembly includes cylinder and second driver, the second opening part is located to the cylinder, second driver driving roller rotates, the surface of cylinder is equipped with the cleaning member. The cleaning device can improve the cleaning effect on the premise of ensuring that the cleaning device moves smoothly on the surface to be cleaned, and the rolling brush and the roller can be respectively arranged close to the front side and the rear side of the machine shell by arranging the first opening and the second opening, so that the space of the machine shell is fully utilized, and the mutual interference of the rolling brush assembly and the roller assembly is avoided.

Description

Cleaning device

Technical Field

The invention relates to the technical field of cleaning, in particular to a cleaning device.

Background

Some sweeping robots or devices in the related art have a bottom surface provided with a rolling brush for sweeping and a cleaning cloth for mopping the floor, wherein the cleaning cloth is in a planar shape and is pressed on the floor by gravity, if the cleaning cloth is in close contact with the floor, the friction is large, the movement resistance of the sweeping robot is increased, and if the cleaning cloth is not in close contact with the floor, the mopping effect is not ideal.

Disclosure of Invention

The present invention is directed to solving at least one of the problems of the prior art. To this end, the invention proposes a cleaning device which makes it possible to increase the cleaning effect while ensuring a smooth movement of the cleaning device over the surface to be cleaned.

A cleaning device according to an embodiment of the present invention includes: casing, round brush subassembly, drum subassembly and dirt box, the bottom of casing has first opening and second opening on the advancing direction of casing, first opening is located the bottom front end of casing, the second opening is located the bottom rear end of casing, the round brush subassembly includes round brush and first driver, the round brush is located first opening part, first driver drive the round brush rotates, the brush hair of sweeping the floor has on the round brush, drum subassembly includes cylinder and second driver, the cylinder is located the second opening part, the second driver drive the cylinder rotates, the surface of cylinder is equipped with the cleaning member, the dirt box set up in the casing, just the entry of dirt box with first opening intercommunication is used for collecting the object that the round brush subassembly cleaned.

According to the cleaning device provided by the embodiment of the invention, the cleaning effect can be improved on the premise of ensuring that the cleaning device smoothly moves on the surface to be cleaned, and the rolling brush and the roller can be respectively arranged close to the front side and the rear side of the machine shell by arranging the first opening and the second opening, so that the space of the machine shell is fully utilized, and the mutual interference of the rolling brush component and the roller component is avoided.

In some embodiments, the cleaning member is a floor wipe or a floor sponge.

In some embodiments, a length direction of the first opening is parallel to an axial direction of the drum brush, a length direction of the second opening is parallel to an axial direction of the drum brush, and the axial direction of the drum brush is parallel to the axial direction of the drum brush.

In some embodiments, the cleaning device further comprises; the roller assembly comprises a roller and a third driver, the roller is arranged on the casing and is used for supporting the casing to walk on the surface to be cleaned, and the third driver drives the roller to roll.

In some embodiments, the roller has an axial direction parallel to an axial direction of the drum, and the second driver drives the drum to rotate in a direction opposite to a direction in which the third driver drives the roller.

In some embodiments, the rollers are located at the bottom middle portion of the casing in the traveling direction of the casing, and the rollers are plural and spaced apart in a direction perpendicular to the traveling direction of the casing.

In some embodiments, the second driver comprises: the roller motor drives the roller to rotate through the transmission mechanism.

In some embodiments, the transmission is a gear transmission or a pulley transmission.

In some embodiments, the cleaning device further comprises: a water tank assembly, the water tank assembly is located the casing, and include water tank and nozzle, the nozzle with the water tank intercommunication with to cleaning component and/or treat that clean surface sprays water.

In some embodiments, the cleaning device is a sweeping robot or a floor brush device of a handheld cleaning device.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a perspective view of a cleaning device according to an embodiment of the present invention, not showing an upper cover or the like of the cleaning device;

FIG. 2 is a bottom view of the cleaning device shown in FIG. 1;

FIG. 3 is a side view of the cleaning device shown in FIG. 1;

FIG. 4 is a cross-sectional view of the cleaning device shown in FIG. 1;

figure 5 is another cross-sectional view of the cleaning device shown in figure 1.

Reference numerals:

100. a cleaning device;

1. a housing; 11. a first opening; 12. a second opening; 13. a first housing; 14. a second housing; 15. a fan; 16. a side brush motor; 17. brushing edges; 18. a navigation module;

2. a roll brush assembly; 21. rolling and brushing; 211. brushing the floor; 22. a first driver;

3. a roller assembly; 31. a drum; 311. a cleaning member; 32. a second driver; 321. a drum motor; 322. a transmission mechanism;

4. a dust box; 5. a roller assembly; 51. a roller; 52. and a third driver.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

Hereinafter, a cleaning apparatus 100 according to an embodiment of the present invention is described with reference to the drawings.

As shown in fig. 1 and 2, a cleaning apparatus 100 according to an embodiment of the present invention includes: casing 1, round brush subassembly 2, drum assembly 3 and dirt box 4, the bottom of casing 1 has first opening 11 and second opening 12, round brush subassembly 2 includes round brush 21 and first driver 22, round brush 21 is located first opening 11 department, first driver 22 drive round brush 21 rotates, the brush 211 of sweeping the floor has on the round brush 21, drum assembly 3 includes cylinder 31 and second driver 32, second opening 12 department is located to cylinder 31, second driver 32 drive cylinder 31 rotates, the surface of cylinder 31 is equipped with cleaning member 311, dirt box 4 sets up in casing 1, and the entry and the first opening 11 intercommunication of dirt box 4 for collect the object that round brush subassembly 2 cleaned. The specific structure of the cleaning member 311 is not limited, for example, it may be a floor cleaning rag, or a floor cleaning sponge, as long as it can implement a cleaning shell for the surface to be cleaned, and the floor cleaning rag may be made of cotton cloth, fiber cloth, etc.

Thus, by driving the rolling brush 21 to rotate at the first opening 11 of the housing 1 through the first driver 22, the sweeping bristles 211 of the rolling brush 21 can protrude from the first opening 11 and contact with the ground, which may be one of the surfaces to be cleaned described below, so that the sweeping bristles 211 can be in rolling contact with the ground during the rolling of the rolling brush 21 to sweep the objects on the ground into the dust box 4, thereby facilitating the collection and treatment of the dirt.

Meanwhile, the roller 31 is driven by the second driver 32 to rotate at the second opening 12 of the housing 1, the cleaning member 311 on the outer surface of the roller 31 can extend out of the second opening 12 and contact with the ground, which may be one of the surfaces to be cleaned described below, so that the cleaning member 311 can be in rolling contact with the ground during the rolling of the roller 31, the problem that the cleaning member 311 is not in close contact with the local ground, which results in poor cleaning effect of the part of the ground is solved, and the friction between the cleaning member 311 and the ground can be improved, thereby ensuring that the cleaning device 100 can smoothly run on the ground.

In addition, the mopping speed of the cleaning device 100 can be adjusted by the rotation speed of the roller 31, so as to avoid the problem that the mopping speed of the cleaning device 100 is influenced by the moving speed of the machine shell 1, which causes low mopping efficiency. In other words, the rotation speed of the roller 31 can be increased to make the wiping speed of the roller 31 higher or much higher than the moving speed of the cabinet 1, even if the cabinet 1 stays at a certain place and the moving speed is zero, but the rotation speed of the roller 31 is greater than zero, and the cleaning effect on the staying position of the cabinet 1 is continuously performed. For example, in some embodiments, the rotational speed of the roller 31 may be one thousand revolutions per minute to ensure the cleaning effect and wiping efficiency of the cleaning device 100.

According to the cleaning device 100 of the embodiment of the invention, the rolling brush 21 rotates at the first opening 11 of the machine shell 1, and the roller 31 rotates at the second opening 12 of the machine shell 1, so that the cleaning device 100 can sweep and wipe the floor, and the actions of sweeping and wiping the floor do not influence the traveling of the cleaning device 100 on the surface to be cleaned, thereby improving the cleaning effect on the premise of ensuring that the cleaning device 100 smoothly moves on the surface to be cleaned.

As shown in fig. 1, in some embodiments, a first housing 13 and a second housing 14 are further disposed in the housing 1, the first housing 13 covers the roller brush 21 to prevent the object swept by the roller brush 21 from entering the interior of the housing 1, and the second housing 14 covers the roller 31 to isolate the cleaning element 311 from the components in the housing 1.

As shown in fig. 1, in some embodiments, a fan 15 is further disposed in the housing 1, and an air suction opening of the fan 15 is communicated with a clean air outlet of the dust box 4, so that when the fan 15 is in operation, objects swept by the rolling brush 21 can be sucked into the dust box 4, thereby improving the cleaning effect.

As shown in fig. 1 and 2, in some embodiments, the side brush motor 16 is disposed on the housing 1, the side brush motor 16 drives the side brush 17 to rotate at the front side of the rolling brush 21, so as to sweep the object near the side brush 17 toward the rolling brush 21, and the rolling brush 21 sweeps the part of the object into the dust box 4, thereby improving the cleaning effect.

As shown in fig. 2, in some embodiments, the first opening 11 and the second opening 12 are disposed at an interval in the traveling direction of the cabinet 1 (F1 direction shown in fig. 2), and the first opening 11 is located at the front side of the second opening 12 in the traveling direction of the cabinet 1 (i.e., the cabinet 1 travels in the direction from the second opening 12 to the first opening 11). Therefore, the first opening 11 is arranged at the front side of the second opening 12, so that in the process of advancing the machine shell 1, the rolling brush 21 can firstly sweep the garbage in front of the machine shell 1 into the dust box 4 through the sweeping brush bristles 211, and the roller 31 at the rear can drive the cleaning piece 311 to mop the ground, thereby ensuring the cleaning effect of the cleaning piece 311 and conforming to the conventional cleaning process.

In some embodiments of the present invention, the first opening 11 may be located at a bottom front end of the cabinet 1 and the second opening 12 may be located at a bottom rear end of the cabinet 1 in a traveling direction of the cabinet 1. From this, through setting up the position of first opening 11 and second opening 12, can make round brush 21 and cylinder 31 be close to the front and back both sides setting of the profile of casing 1 respectively to make full use of casing 1's space avoids the mutual interference of round brush subassembly 2 and cylinder subassembly 3, makes things convenient for complete machine assembly and arranges, accords with conventional clean flow moreover more.

As shown in fig. 2 and 5, in some embodiments, the length direction of the first opening 11 is parallel to the axial direction of the roller brush 21 (the F2 direction shown in fig. 2), the length direction of the second opening 12 is parallel to the axial direction of the drum 31 (the F2 direction shown in fig. 2), and the axial direction of the roller brush 21 (the F2 direction shown in fig. 2) is parallel to the axial direction of the drum 31 (the F2 direction shown in fig. 2). Thus, by making the length direction of the first opening 11, the length direction of the second opening 12, the axial direction of the roll brush 21, and the axial direction of the drum 31 all parallel, it is possible to avoid interference between the respective components, and to improve the effective cleaning length of the roll brush assembly 2 and the drum assembly 3, increase the cleaning area, and to improve the cleaning efficiency. Of course, the present invention is not limited to this, and in other embodiments of the present invention, the plurality of axes may be arranged not to be parallel to each other.

As shown in fig. 1 and 2, in some embodiments, the cleaning device 100 further comprises; the roller assembly 5, the roller assembly 5 includes a roller 51 and a third driver 52, the third driver 52 can be a driving motor, the roller 51 is disposed on the housing 1 and is used for supporting the housing 1 to walk on the surface to be cleaned, and the third driver 52 drives the roller 51 to roll. Therefore, the casing 1 is supported on the surface to be cleaned through the roller 51, and when the third driver 52 drives the roller 51 to roll, the casing 1 is driven to walk on the surface to be cleaned, so that the advancing structure of the cleaning device 100 is simpler, a user can save more labor, the user does not need to push the cleaning device 100, and the active walking of the cleaning device 100 can be realized.

In some embodiments, as shown in fig. 2 and 4, the axial direction of the roller 51 (the direction of F2 as shown in fig. 2) is parallel to the axial direction of the drum 31 (the direction of F2 as shown in fig. 2), and the rotational direction in which the second driver 32 drives the drum 31 is opposite to the rotational direction in which the third driver 52 drives the roller 51. Thus, by making the rotation direction of the drum 31 and the rotation direction of the roller 51 opposite to each other, it is possible to improve the cleaning effect to some extent when the cabinet 1 is traveling.

As shown in fig. 2 and 3, in some embodiments, the first opening 11 and the second opening 12 are respectively located at front and rear sides of the roller 51 in the traveling direction of the cabinet 1. Therefore, the machine shell 1 can be supported by the rollers 51 to walk on the ground more stably, and the problem of incongruity such as sinking of the front end or sinking of the rear end is avoided.

In some embodiments, the roller 51 is located at the bottom middle portion of the housing 1 in the traveling direction of the housing 1, and the rollers 51 are provided in a plurality and spaced apart in a direction perpendicular to the traveling direction of the housing 1 (as shown in a direction F2 in fig. 2), so that stability and reliability of traveling along the surface to be cleaned when the cleaning device 100 cleans the surface can be improved. For example, the number of the rollers 51 may be two, two rollers 51 are located at the middle of the housing 1 in the front-rear direction, and two rollers 51 are located at the left and right sides of the housing 1, respectively.

In some embodiments, the second driver 32 includes: a roller motor 321 and a transmission mechanism 322, wherein the roller motor 321 drives the roller 31 to rotate through the transmission mechanism 322. Therefore, the transmission mechanism 322 is arranged, so that the rotating speed of the roller 31 meets the cleaning requirement, and the roller motor 321 can be arranged at a position slightly far away from the roller 31 instead of being arranged at the shaft end of the roller 31, thereby facilitating the overall structural layout of the cleaning device 100 and enabling the overall structure of the cleaning device 100 to be smaller and more compact.

It should be noted that the specific configuration of the transmission mechanism 322 is not limited, for example, in some embodiments, the transmission mechanism 322 may be a gear transmission mechanism or a pulley transmission mechanism. Therefore, the roller motor 321 can drive the roller 31 to rotate through a gear transmission mechanism or a belt pulley transmission mechanism and the like, so that the structure of the transmission mechanism 322 is simpler, the stability of the rotation of the roller 31 is ensured, and the requirement of the rotation speed of the roller 31 is met.

For example, in some embodiments, when the transmission mechanism 322 is a gear transmission mechanism, a first gear may be disposed on a motor shaft of the drum motor 321, and a second gear may be disposed on the drum 31, and the first gear and the second gear are directly or indirectly engaged with each other, so that the transmission between the drum motor 321 and the drum 31 is more reliable, and the stability of the rotation of the drum 31 is improved.

In some embodiments, the cleaning device 100 further comprises: the casing 1 is located to the water tank subassembly, and the water tank subassembly includes water tank and nozzle, and the nozzle is in order to spray water to cleaning member 311 and/or the surface of treating to clean with the water tank intercommunication. Thereby, when water is sprayed toward the surface of the cleaning member 311 through the nozzle, it is convenient to clean the cleaning member 311 or wet the cleaning member 311 to improve the wiping effect; when water is sprayed toward the surface to be cleaned through the nozzle, the cleaning members 311 are facilitated to clean stubborn stains on the surface to be cleaned.

In some embodiments, the cleaning device 100 is a sweeping robot or a floor brush device of a handheld cleaning apparatus. Therefore, through the arrangement, the cleaning effect and the floor wiping efficiency of the floor sweeping robot or the handheld cleaning equipment can be improved.

For example, when the cleaning device 100 is a sweeping robot, the front end of the housing 1 may be further provided with a navigation module 18, wherein the navigation module 18 may include a front impact module and a downward-looking sensor so as to control the traveling direction of the cleaning device 100. For example, when the cleaning device 100 is a floor sweeping robot, the system where the cleaning device 100 is located may further include a base station, the base station may transfer the garbage in the dust box 4, so as to improve the automation, and the base station may also clean the cleaning member 311, so as to improve the cleaning effect and the floor cleaning efficiency.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A cleaning device, comprising:

a housing having a first opening and a second opening at a bottom thereof, the first opening being located at a bottom front end of the housing and the second opening being located at a bottom rear end of the housing in a traveling direction of the housing;

the rolling brush assembly comprises a rolling brush and a first driver, the rolling brush is positioned at the first opening, the first driver drives the rolling brush to rotate, and sweeping bristles are arranged on the rolling brush;

the roller assembly comprises a roller and a second driver, the roller is arranged at the second opening, the second driver drives the roller to rotate, and a cleaning piece is arranged on the outer surface of the roller;

the dust box is arranged on the machine shell, and an inlet of the dust box is communicated with the first opening so as to be used for collecting objects cleaned by the rolling brush component.

2. The cleaning device of claim 1, wherein the cleaning member is a floor wipe or a floor sponge.

3. The cleaning device of claim 2, wherein a length direction of the first opening is parallel to an axial direction of the roller brush, a length direction of the second opening is parallel to an axial direction of the drum, and an axial direction of the roller brush is parallel to the axial direction of the drum.

4. The cleaning apparatus as recited in claim 1, further comprising;

the roller assembly comprises a roller and a third driver, the roller is arranged on the casing and is used for supporting the casing to walk on the surface to be cleaned, and the third driver drives the roller to roll.

5. The cleaning apparatus defined in claim 4, wherein the roller has an axial direction parallel to an axial direction of the drum, and the second drive drives the drum in a rotational direction opposite to a rotational direction in which the third drive drives the roller.

6. The cleaning apparatus as claimed in claim 4, wherein the rollers are provided in a plurality and spaced apart in a direction perpendicular to a traveling direction of the housing at a bottom center portion of the housing in the traveling direction of the housing.

7. The cleaning apparatus defined in claim 1, wherein the second drive comprises: the roller motor drives the roller to rotate through the transmission mechanism.

8. The cleaning apparatus defined in claim 7, wherein the drive mechanism is a gear drive or a pulley drive.

9. The cleaning apparatus as claimed in any one of claims 1 to 8, further comprising:

a water tank assembly, the water tank assembly is located the casing, and include water tank and nozzle, the nozzle with the water tank intercommunication with to cleaning component and/or treat that clean surface sprays water.

10. The cleaning device of claim 1, wherein the cleaning device is a floor sweeping robot or a floor brush device of a handheld cleaning device.