CN217429871U

CN217429871U - Cleaning device

Info

Publication number: CN217429871U
Application number: CN202122697463.6U
Authority: CN
Inventors: 罗积川
Original assignee: Dongguan Huidi Intelligent Technology Co ltd
Current assignee: Dongguan Huidi Intelligent Technology Co ltd
Priority date: 2021-11-05
Filing date: 2021-11-05
Publication date: 2022-09-16
Anticipated expiration: 2031-11-05

Abstract

The utility model discloses a cleaning device, it includes: the shell comprises an upper shell and a lower shell which are fixedly connected, and an installation space is defined between the upper shell and the lower shell; the three cleaning modules are rotatably and uniformly arranged on the lower shell, each cleaning module comprises a sucker, each sucker is provided with an adsorption space, and each sucker can rotate relative to the shell; the three pump modules are respectively communicated with the adsorption spaces of the three cleaning modules to extract air in the adsorption spaces, so that negative pressure is formed in the adsorption spaces; the driving module is connected with the cleaning module and used for driving the sucker to rotate relative to the shell; and the control module is connected with the pump module and the driving module to control the pump module and the driving module. The utility model provides a cleaning device's walking mode is various, clean scope and efficient.

Description

Cleaning device

Technical Field

The utility model relates to a burnisher technical field especially relates to a cleaning device.

Background

Along with the rapid development of cities, the application of glass curtain walls is increasing, and the glass curtain walls are used more and more in houses or office buildings, so that the glass curtain walls are very necessary to clean the whole tidy and attractive appearance of buildings.

However, the cleaning of the window glass is not easy, especially for some high-rise buildings, and in many cases, the cleaning method mainly adopts a manual cleaning method, which is very dangerous and has high labor cost. At present, some glass cleaning devices, such as window cleaning robots, have appeared on the market, which are firmly attached to the surface of glass mainly by magnetic force or vacuum adsorption force, and clean the glass by controlling the traveling path thereof.

The glass cleaning robot saves the cleaning time and also makes housework easy; especially for the glass of high floors and the glass outside the balcony, the potential safety hazard in the manual cleaning process is eliminated. However, the conventional glass cleaning equipment has a single walking mode and cannot clean corners.

Disclosure of Invention

An object of the utility model is to provide a cleaning device, its walking mode is nimble various, clean scope and efficient.

The utility model discloses a following technical scheme realizes:

in one aspect, the utility model provides a cleaning device, it includes:

the shell comprises an upper shell and a lower shell which are fixedly connected, and an installation space is defined between the upper shell and the lower shell;

the three cleaning modules are rotatably and uniformly arranged on the lower shell and comprise suckers, the suckers are provided with adsorption spaces, and the suckers can rotate relative to the shell;

the three pump modules are respectively communicated with the adsorption spaces of the three cleaning modules to respectively pump air in the adsorption spaces, so that negative pressure is respectively formed in the adsorption spaces;

the driving module is connected with the cleaning module and used for driving the sucker to rotate relative to the shell; and

the control module is connected with the pump module and the driving module to control the pump module and the driving module.

The utility model discloses an in some embodiments, the sucking disc includes that sucking disc main part and cover establish the cover frame in the sucking disc main part outside, be equipped with the connecting axle in the sucking disc main part, the rotatable setting of connecting axle is in down on the casing.

The utility model discloses an in some embodiments, be equipped with a plurality of recesses on the cover frame, be equipped with a plurality of steps in the sucking disc main part, the step can be in the block in the recess, with will cover frame fixed mounting be in the outside of sucking disc main part.

In some embodiments of the present invention, a through hole is provided on the lower housing, the connecting shaft passes through the through hole, a first sleeve is sleeved on the connecting shaft, and the connecting shaft passes through the first sleeve is rotatably installed in the through hole.

The utility model discloses an in some embodiments, the drive module includes fixed mounting and is in driving motor and reduction gears on the casing, reduction gears's input with driving motor's output shaft, reduction gears's output with the connecting axle is connected.

In some embodiments of the present invention, the speed reducing mechanism includes a speed reducing gear set, an output gear of the speed reducing gear set is fixedly connected to the connecting shaft.

The utility model discloses an in some embodiments, be equipped with the second sleeve axle on the output gear, be provided with the boss down on the casing, the second sleeve axle is established on the boss.

In some embodiments of the present invention, the end of the connecting shaft is provided with a plurality of recesses, the output gear is provided with a plurality of protrusions, and the output gear and the connecting shaft are engaged together through the plurality of recesses and the plurality of protrusions.

In some embodiments of the present invention, the output gear is fixedly connected to the connecting shaft by a screw.

In some embodiments of the present invention, the pump module includes a vacuum pump communicated with the adsorption space to extract air in the adsorption space.

According to the utility model provides a cleaning device, it has three clean module and three pump module, and three clean module is rotatable to be installed on the casing, and three clean module can be through the negative pressure in its adsorption space of the pump module independent control respectively of connecting separately, and then forms the negative pressure difference between three clean module, and then, the utility model provides a cleaning device's walking mode can be manifold, clean scope and efficient.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

Fig. 1 is a schematic perspective view of a cleaning device according to some embodiments of the present invention;

fig. 2 is an exploded view of a cleaning device according to some embodiments of the present invention;

FIG. 3 is a schematic cross-sectional view A-A of FIG. 1;

fig. 4 is a schematic perspective view of a suction cup of a cleaning device according to some embodiments of the present invention;

fig. 5 is a schematic perspective view of a cleaning device according to some embodiments of the present invention with the upper housing removed;

fig. 6 is a schematic perspective view of the cleaning device according to some embodiments of the present invention after removing the middle housing;

fig. 7 is a schematic view of a lower housing of a cleaning device according to some embodiments of the present invention; and

fig. 8 is a schematic structural diagram of a driving module of a cleaning device according to some embodiments of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are only some embodiments, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The terms "first" and "second" in the embodiments of the present application are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. It is also noted that, in the present application, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise. Further, the directions or positional relationships indicated by "upper", "lower", "top", "bottom", "inner", "outer", etc. are the directions or positional relationships shown on the drawings, are only for convenience of description of the present invention and to simplify the description, and do not indicate or imply that the device or apparatus referred to must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention. Furthermore, the terms "include" and "provided," as well as any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.

In addition to the foregoing, it should be emphasized that reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein may be combined with other embodiments.

As shown in fig. 1-8, the present invention provides a cleaning device 1, which comprises a housing 100, three cleaning modules 200, three pump modules 300, at least one driving module 400, and a control module (not shown), wherein the control module is connected to the pump modules 300 and the driving module 400 to control the pump modules 300 and the driving module 400.

Wherein, the housing 100 comprises an upper housing 102 and a lower housing 104 fixedly connected, and an installation space is defined between the upper housing 102 and the lower housing 104, it can be understood that the installation space is used for installing or accommodating various internal components of the cleaning device 1, such as the cleaning module 200, the pump module 300, the driving module 400 and the control module. It should also be understood that the term "fixedly coupled" as used herein means that the upper housing 102 and the lower housing 104 are fixed together after the cleaning device 1 is installed, and the upper housing 102 and the lower housing 104 can be disassembled by a tool. Of course, the upper housing 102 and the lower housing 104 can be fixedly connected together by various means, for example, the upper housing 102 and the lower housing 104 can be clamped together by a snap mechanism, or can be fixedly connected together by various means such as screws, welding or thermal welding.

Referring to fig. 1-3, three cleaning modules 200 are rotatably and uniformly mounted on the lower housing 104, the cleaning modules 200 including a suction cup 202, the suction cup 202 having a suction space 204, the suction cup 202 being rotatable with respect to the housing 100. The three pump modules 300 are respectively communicated with the adsorption spaces 204 of the three cleaning modules to respectively pump air in the adsorption spaces 204, so that negative pressure is respectively formed in the adsorption spaces 204, and then, under the action of the negative pressure, the suction cup 202 can be firmly adsorbed on the surface of the object to be cleaned, thereby realizing that the cleaning device 1 is adsorbed on the surface of the object to be cleaned.

Namely, the utility model provides a cleaning device 1 has three independent clean module 200, and every clean module all has sucking disc 202, and sucking disc 202 can adsorb on treating clear object surface through the negative pressure of adsorption space 204.

It is understood that the present invention is not limited to the shape of the suction cup, and it may be set to be various shapes as required. As shown in fig. 2, in some embodiments of the present invention, the suction cup 202 is circular.

Further, in some embodiments of the present invention, as shown in fig. 3 to 4, the suction cup 202 includes a suction cup main body 2021 and a sleeve frame 2022 sleeved outside the suction cup main body 2021, the suction cup main body 2021 is provided with a connecting shaft 2023, and the connecting shaft 2023 is rotatably disposed on the lower housing 104. It should be understood that when cleaning, the suction cup 202 is required to be installed with a cleaning material, such as sponge, rag, or cleaning paper, and the suction cup 202 can clean the surface to be cleaned when moving on the surface to be cleaned. The cleaning material may be mounted (e.g., sleeved) on the sleeve 2022, and may cover the lower surface of the suction cup 202.

The sleeve 2022 may be fixedly connected to the suction cup main body 2021 in various ways, and in some embodiments of the present invention, as shown in fig. 3 to 4, a plurality of grooves 2024 are provided on the sleeve 2022, a plurality of steps 2025 are provided on the suction cup main body 2021, and the steps 2025 may be engaged with the grooves 2024 to fixedly mount the sleeve 2022 on the outer side of the suction cup main body 2021. Namely, the sleeve 2022 is connected with the sucker main body 2021 in a clamping manner, so that the sleeve 2022 can be conveniently mounted and dismounted, and the replacement and cleaning of cleaning materials are facilitated.

In the cleaning device 1 of the present invention, the driving module 400 is connected to the cleaning module 200 for driving the suction cup 202 to rotate relative to the housing 100. Because the air in the adsorption space 204 of three clean module 200 can be extracted respectively to three pump module 300, make and form the negative pressure in the three adsorption space 204 respectively, can be respectively the negative pressure size in the three adsorption space 204 of independent control for the negative pressure in the three adsorption space 204 is different, and when the absolute value of the negative pressure in adsorption space 204 was big more, the adsorption affinity of the sucking disc 202 that corresponds was big more, and then the utility model provides a cleaning device 1 can have multiple walking mode.

For example, the three pump modules 300 independently pump air in the suction space 204 of one suction cup 202 (hereinafter, referred to as a first suction cup) of the three cleaning modules 200 to generate a negative pressure, and the suction spaces 204 of the suction cups 202 (hereinafter, referred to as a second suction cup and a third suction cup) of the other two cleaning modules 200 maintain a normal atmospheric pressure, and at this time, the cleaning apparatus 1 is sucked on the surface of the object to be cleaned by the first suction cup. Drive first sucking disc through drive module 400 and rotate for casing 100, this moment, because the firm absorption of first sucking disc is on the surface of treating clean object, consequently, casing 100 will use this first sucking disc to take place to rotate as the centre of a circle, and cleaning device 1 wholly takes place to rotate promptly, has realized that second sucking disc and third sucking disc move on the surface of treating clean object.

Further, when controlling the first sucker to be firmly adsorbed on the surface of the object to be cleaned, the suction space of the second sucker can be controlled to generate negative pressure, and the negative pressure is smaller than the negative pressure in the suction space of the first sucker, at this moment, the shell 100 still rotates by taking the first sucker as the center of a circle, namely, the cleaning device 1 rotates integrally, and when the shell rotates, the second sucker also provides certain pressure, so that the cleaning effect is improved when the shell walks.

Still further, the suction space of the second suction cup is controlled to generate negative pressure, and the negative pressure is smaller than the negative pressure in the suction space of the first suction cup, the second suction cup can be controlled to rotate relative to the casing 100, and further, the casing 100 rotates by taking the first suction cup as a circle center, namely, when the whole cleaning device 1 rotates, the second suction cup can provide certain walking power or walking resistance (based on the difference of the rotation direction of the second suction cup, the direction of the provided force is different), and further, the walking speed can be accelerated or slowed down.

Further, while controlling the suction space of the second suction cup to generate negative pressure and to make the negative pressure smaller than the negative pressure in the suction space of the first suction cup and controlling the second suction cup to rotate relative to the casing 100, the suction space of the third suction cup may also be controlled to generate negative pressure and to make the negative pressure smaller than the negative pressure in the suction space of the first suction cup and to control the third suction cup to rotate relative to the casing 100. Furthermore, the housing 100 still rotates around the first suction cup, that is, while the cleaning device 1 rotates as a whole, the second suction cup and the third suction cup can both provide certain walking power or walking resistance (based on the difference of the rotation directions of the second suction cup and the third suction cup, the directions of the provided forces are different), and then the walking speed can be increased or decreased.

It can be understood that, the negative pressure size in the adsorption space through controlling three sucking discs can realize that casing 100 still uses one of them sucking disc to take place to rotate as the centre of a circle, two other sucking discs can not provide the adsorption affinity, also can provide the power or the resistance of walking simultaneously, after casing 100 rotates certain angle, the negative pressure size in the adsorption space of adjustment three sucking discs, casing 100 uses another sucking disc to rotate as the centre of a circle, casing 100 is controlled repeatedly like this and is rotated with a certain sucking disc as the centre of a circle, can realize that cleaning device walks on waiting to clean the object surface.

Because the utility model provides a cleaning device 1 has three clean module 200 (for example, first clean module, the clean module of second, and the clean module of third), consequently, it can use three clean module 200 to rotate as the centre of a circle respectively, and realize multiple walking mode, the walking route can be diversified, and simultaneously, at the in-process of walking, the clean module 200 of two other activities can provide certain adsorption affinity, and then can produce certain frictional force at the in-process of motion between clean material and the object surface of treating, in order to improve clean effect.

The utility model provides a specific walking control method of cleaning device 1 can include following step:

s1, controlling the first suction space of the first suction cup to form negative pressure;

s2, controlling the negative pressure in the second adsorption space of the second sucker and the negative pressure in the third adsorption space of the third sucker to be smaller than the negative pressure in the first adsorption space, so that the first sucker 201 is adsorbed and fixed, and the cleaning device 1 is firmly adsorbed on the surface of the object to be cleaned; it is understood that the negative pressure in the second suction space of the second suction cup and the third suction space of the third suction cup is smaller than the negative pressure in the first suction space, and the negative pressure in the second suction space and/or the third suction space is not negative pressure, and may be second; negative pressure exists in the adsorption space and/or the third adsorption space, but the magnitude of the negative pressure is smaller than that of the negative pressure in the first adsorption space; and

s3, controlling the first suction disc to rotate along the first rotating direction so that the cleaning device rotates along the second rotating direction by taking the first suction disc as a center, wherein the first rotating direction is opposite to the second rotating direction; that is, since the first suction cup is firmly adsorbed on the surface of the object to be cleaned, when the driving device controls the first suction cup to rotate relative to the housing, the housing will rotate around the first suction cup, and the cleaning device will rotate around the first suction cup in the second rotation direction.

Of course, further, for reducing the walking difficulty of the cleaning device 1 in some embodiments of the present invention, the present invention provides a specific walking control method for the cleaning device 1, which further includes the following steps:

and S4, controlling the second suction cup and/or the third suction cup to rotate along the second rotation direction at the same time of controlling the first suction cup to rotate along the first rotation direction. Because the second sucker and the third sucker are movable suckers, when the second sucker and/or the third sucker rotate along the second rotation direction, the rotation direction of the second sucker and/or the third sucker is the same as the rotation direction of the cleaning device, and further power can be provided for the rotation of the cleaning device by the rotation of the second sucker and/or the third sucker (when certain negative pressure is provided in the adsorption space of the second sucker and/or the third sucker), so that the rotation speed of the cleaning device is accelerated, and the walking efficiency of the cleaning device 1 can be improved.

Further, for slowing down the walking speed of the cleaning device 1 in some embodiments of the present invention, the present invention provides a concrete walking control method of the cleaning device 1, which further comprises the following steps:

and S5, controlling the second suction cup and/or the third suction cup to rotate along the first rotating direction at the same time of controlling the first suction cup to rotate along the first rotating direction. Because the second sucker and the third sucker are movable suckers, when the second sucker and/or the third sucker rotate along the first rotation direction, the rotation direction of the second sucker and the rotation direction of the cleaning device are in the direction of the rotation direction, and then the rotation of the second sucker and/or the third sucker can provide reverse acting force for the rotation of the cleaning device (when the adsorption space of the second sucker and/or the third sucker has certain negative pressure), so that the rotation speed of the cleaning device is reduced, and the walking speed of the cleaning device 1 can be reduced.

From the above description can see, the utility model provides a cleaning device can be through the adsorption affinity size and the direction of rotation of controlling three clean module respectively, can realize multiple diversified walking route, simultaneously, can improve or slow down cleaning device's walking speed, further promotes cleaning device's control variety, satisfies the demand of different scenes.

Further, for improving the utility model provides a cleaning device 1's compactness improves internally mounted's clean degree, still is provided with well casing 103 in cleaning device 1, and well casing 103 sets up between last casing 102 and lower casing 104, and wherein, pump module 300 fixed mounting is on well casing 103, and drive module 400 fixed mounting is between well casing 103 and lower casing 102 in well casing 103, and control module group can install between last casing 102 and well casing 103.

It will be appreciated that the cleaning module 200 can be mounted to the lower housing in a variety of ways, so long as the suction cup 202 can rotate relative to the housing. In some embodiments of the present invention, as shown in fig. 7, a through hole 1041 is provided on the lower casing 104, the connecting shaft 2023 of the suction cup main body 2021 passes through the through hole 1041, the first sleeve 2026 is sleeved on the connecting shaft 2023, and the connecting shaft 2023 is rotatably mounted in the through hole 1041 through the first sleeve 2026. It can be understood that, the structure is similar to a bearing, the sleeve shafts can realize mutual rotation, and after the connecting shaft 2023 of the suction cup main body 2021 is fixedly connected with the first sleeve shaft 2026, the first sleeve shaft 2026 is fixedly arranged in the through hole 1041, so that the cleaning module 200 can be rotatably mounted on the lower housing 104.

The utility model provides an among the cleaning device 1, drive module 400 is arranged in driving each clean module and casing relative rotation respectively, and it can adopt to be various drive structures, the utility model discloses there is not special restriction to this.

In some embodiments of the present invention, referring to fig. 6, the driving module 400 includes a driving motor 4001 and a speed reducing mechanism 4002 fixedly mounted on the casing 100, an input end of the speed reducing mechanism 4002 is connected to an output shaft of the driving motor 4001, and an output end of the speed reducing mechanism 4002 is connected to the connecting shaft 2023.

It is understood that the speed reduction mechanism 4002 is mainly used to reduce the rotation speed of the output of the driving motor 4001 to slow down the output of the driving motor, and various conventional speed reduction structures may be adopted. In some embodiments of the present invention, as described with reference to fig. 8, the speed reduction mechanism 4002 includes a speed reduction gear set, and the output gear 4003 of the speed reduction gear set is fixedly connected with the connecting shaft 2023.

The reduction gear set may be rotatably mounted to the housing 100 by various structures, and the present invention is not limited thereto. Further, in some embodiments of the present invention, referring to fig. 8, a second shaft 4004 is disposed on the output gear 4003, a boss 1042 is disposed on the lower housing 104, and the second shaft 4004 is sleeved on the boss 1042.

For the compact structure degree that improves cleaning device, reduce whole volume the utility model discloses an in some embodiments, boss 1042 sets up in the through-hole 1041 outside, promptly, is provided with the annular boss 1042 of circle in the periphery of through-hole 1041, and second sleeve 4004 cover is established on boss 1042, and then with the rotatable installation of output gear 4003 on the casing down. It can be understood that the specific structure of the second sleeve shaft 4004 is the same as that of the first sleeve shaft 2026, and the present invention will not be described herein again.

The output gear 4003 of the reduction gear set is fixedly connected with the connecting shaft 2023 to fixedly connect the reduction gear set and the suction cup together, and further, the driving force of the driving motor 4001 is transmitted to the suction cup 202 sequentially through the output shaft of the driving motor 4001, the input end of the reduction mechanism 4002, the output end of the reduction mechanism 4002 and the connecting shaft 2023, so that the suction cup 202 can be controlled to rotate relative to the housing.

Further, in order to improve the connection stability between the connection shaft 2023 and the output gear 4023, in some embodiments of the present invention, as shown in fig. 4, 6 and 8, a plurality of recesses 2027 are provided at an end of the connection shaft 2023, a plurality of protrusions 4005 are provided on the output gear 4003, and the output gear 4003 and the connection shaft 2023 are engaged with each other through the plurality of recesses 2027 and the plurality of protrusions 4005. The output gear 4003 and the connecting shaft 2023 are connected together by an engaging structure, which can also facilitate the attachment of the connecting shaft 2023 and the output gear 4023.

It can be understood that the connection shaft 2023 and the output gear 4023 can be fixedly connected together by various fixing connection methods, and the rotation of the output gear 4023 can drive the connection shaft 2023 to rotate. In some embodiments of the present invention, the output gear 4003 and the connecting shaft 2023 are fixedly connected by screws.

The utility model provides an among the cleaning device 1, pump module 300 is arranged in extracting the air in the adsorption space to produce the negative pressure in the adsorption space, it can adopt various evacuating device. In some embodiments of the present invention, the pump module 300 includes a vacuum pump in communication with the adsorption space 204 to draw air from the adsorption space 204.

The three pump modules 300 include three vacuum pumps respectively communicating with the adsorption spaces 204 of the three cleaning modules 200 to respectively pump air of the adsorption spaces 204 of the three cleaning modules 200. That is to say, each adsorption space 204 all with a vacuum pump connection, through the opening of three vacuum pump of control module group control respectively or rotational speed size, and then can the independent control of the size of the negative pressure in its adsorption space 204 that corresponds, the realization is to the adsorption affinity size of three sucking disc 202.

It will be appreciated that the vacuum pump may be of any conventional construction, for example, the vacuum pump may comprise a drive motor and a compressor wheel connected to the drive motor, the compressor wheel being driven by the drive motor to rotate to draw air from the adsorption space. The specific structure and operation principle of the vacuum pump are well known to those skilled in the art, and the present invention will not be described in detail herein.

The utility model provides a cleaning device 1, the control module group is connected with pump module group 300 and drive module group 400 with the operation of control pump module group 300 and drive module group 400. It can be understood that the present invention is not limited to the specific structure of the control module, and various common control components in the field, such as a CPU (central processing unit), a PCB (printed circuit board), etc., can be adopted, as long as the control of the pump module 300 and the driving module 400 can be realized. Of course, the control module may also be electrically connected with other components of the cleaning device 1 to control the corresponding components.

It will be appreciated that the cleaning apparatus 1 provided by the present invention may be powered by any of a variety of conventional means, for example, by connecting a power cord to a mains or domestic electrical plug to provide power. In some embodiments of the present invention, the cleaning device 1 further comprises: a power module (not shown) electrically connected to the pump module 300, the driving module 400 and the control module. In this embodiment, the cleaning device 1 can provide power through its own configured power module, and its application scenarios are wider.

It is understood that the cleaning device disclosed in the present invention can be applied to surface cleaning of various articles, for example, glass curtain walls of buildings, residential doors and windows, walls, etc., and is not limited to cleaning window glass.

The above embodiments are only used to illustrate the technical solution of the present invention, but not to limit it: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. A cleaning device, comprising:

the three cleaning modules are rotatably and uniformly arranged on the lower shell, each cleaning module comprises a sucker, each sucker is provided with an adsorption space, and each sucker can rotate relative to the shell;

2. The cleaning device as claimed in claim 1, wherein the suction cup comprises a suction cup main body and a sleeve frame sleeved outside the suction cup main body, the suction cup main body is provided with a connecting shaft, and the connecting shaft is rotatably arranged on the lower casing.

3. The cleaning device as claimed in claim 2, wherein the frame has a plurality of grooves, and the main body has a plurality of steps, the steps being engageable with the grooves to fixedly mount the frame on the outer side of the main body.

4. The cleaning device as claimed in claim 2, wherein the lower housing is provided with a through hole, the connecting shaft passes through the through hole, a first sleeve shaft is sleeved on the connecting shaft, and the connecting shaft is rotatably mounted in the through hole through the first sleeve shaft.

5. The cleaning device as claimed in claim 4, wherein the driving module comprises a driving motor fixedly mounted on the housing and a speed reducing mechanism, an input end of the speed reducing mechanism is connected with an output shaft of the driving motor, and an output end of the speed reducing mechanism is connected with the connecting shaft.

6. The cleaning apparatus defined in claim 5, wherein the reduction mechanism comprises a reduction gear set, an output gear of which is fixedly connected with the connecting shaft.

7. The cleaning apparatus defined in claim 6, wherein the output gear has a second sleeve shaft thereon, the lower housing has a boss thereon, and the second sleeve shaft is received on the boss.

8. The cleaning apparatus as claimed in claim 6, wherein the end of the connecting shaft is provided with a plurality of recesses, the output gear is provided with a plurality of protrusions, and the output gear and the connecting shaft are engaged together by the plurality of recesses and the plurality of protrusions.

9. The cleaning apparatus defined in claim 6, wherein the output gear is fixedly connected with the connecting shaft by screws.

10. The cleaning apparatus as claimed in claim 1, wherein the pump module includes a vacuum pump communicating with the adsorption space to draw air within the adsorption space.