Cleaning mechanism and cleaning robot

Abstract

The utility model discloses a cleaning mechanism and a cleaning robot, the cleaning mechanism is suitable for the cleaning robot capable of reciprocating motion, the cleaning mechanism comprises a first shell, a second shell and a third shell, the first shell is provided with two groups of suction channels, the suction channels are provided with suction ends for liquid to enter, and the suction ends of the two groups of suction channels are arranged at intervals along the moving direction; the cleaning assembly is arranged on the first shell, and the cleaning assembly can scrape the surface of a medium; the spraying assembly is used for spraying liquid to a gap between the air suction ends of the two sets of suction channels; the two sets of suction channels can be opened in a time-sharing mode, so that one set of suction channels located on the front side of the moving direction is closed, and the other set of suction channels located on the rear side of the moving direction is opened. According to the cleaning mechanism and the cleaning robot, stains on the surface of a medium can be cleaned, and the possibility that waste water pollutes the surface of the surrounding medium is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to a cleaning device, especially to a cleaning mechanism and a cleaning robot. BACKGROUND

[0002] The cleaning robot is used for cleaning the surface of PCV or glass medium. The stubborn stains on the medium surface are difficult to clean. The technical scheme provides cleaning liquid to the medium surface, but the waste water in the cleaning process pollutes the surrounding area. SUMMARY

[0003] The utility model discloses at least one of the technical problems in the prior art. Therefore, the utility model provides a cleaning mechanism, which can clean the stains on the medium surface and reduce the possibility of waste water polluting the surrounding medium surface.

[0004] The utility model further provides a cleaning robot with the cleaning mechanism.

[0005] The cleaning mechanism according to the first aspect of the utility model is suitable for a cleaning robot capable of reciprocating movement, and comprises:

[0006] A first shell has two groups of suction channels, the suction channels have suction ends for liquid to enter, and the suction ends of the two groups of suction channels are arranged at intervals along the moving direction.

[0007] A cleaning assembly is arranged in the first shell, and the cleaning assembly can scrape the medium surface.

[0008] A spraying assembly is used for spraying liquid to the interval between the suction ends of the two groups of suction channels.

[0009] The two groups of suction channels can be opened at different times, so that one group of suction channels located on the front side of the moving direction is closed, and the other group of suction channels located on the rear side of the moving direction is opened.

[0010] The cleaning mechanism according to the utility model embodiment has at least the following beneficial effects:

[0011] The cleaning robot moves, so that the cleaning assembly scrapes the medium surface, a group of suction channels located at the front side of the moving direction is closed, another group of suction channels of the cleaning assembly located at the rear side of the moving direction is opened, so as to adsorb the liquid, when the cleaning robot moves reversely, the group of suction channels originally located at the front side of the moving direction is located at the rear side of the moving direction and switched to be opened, another group of suction channels of the cleaning assembly originally located at the rear side of the moving direction is located at the front side of the moving direction and switched to be closed. Thus, stubborn stains are cleaned and the liquid is adsorbed, so as to reduce the possibility of liquid pollution of the surrounding medium surface, and since only one group of suction channels is opened at all times, the power consumption can be reduced while ensuring the negative pressure adsorption of the liquid.

[0012] According to some embodiments of the present application, the number of the cleaning assemblies is two, which are arranged at the air suction end of one suction channel respectively, the cleaning assembly comprises a brush and a flexible cleaning strip, the flexible cleaning strip and the brush can contact the medium surface, wherein the brush is arranged at the inner side of the flexible cleaning strip, and gaps are formed between the bristles of the brush for the liquid to enter the air suction end.

[0013] According to some embodiments of the present application, the spraying assembly comprises a spraying pipe and a nozzle, the side wall of the first shell in the width direction has a through hole, and part of the spraying pipe extends into the first shell through the through hole; wherein the part of the spraying pipe extending through the through hole is located at the interval between the air suction ends of the two groups of suction channels and extends along the width direction of the first shell, and the nozzle is connected to the part of the spraying pipe extending through the through hole.

[0014] According to some embodiments of the present application, the number of the nozzles is multiple, and the multiple nozzles are spaced apart from each other along the width direction of the first shell.

[0015] The nozzle has a ring-shaped nozzle opening, which is used to form a ring-shaped spraying area on the medium surface, and the ring-shaped spraying areas of adjacent nozzles partially overlap in the extension direction of the spraying pipe.

[0016] According to some embodiments of the present application, the cleaning mechanism further comprises two groups of liquid recovery pipes and a valve body, one end of each liquid recovery pipe is communicated with one group of suction channels, the other end of each group of liquid recovery pipes is respectively communicated with one inlet of the valve body, and one outlet of the valve body is used to communicate with the negative pressure source of the cleaning robot.

[0017] According to some embodiments of the present application, the cleaning mechanism comprises a water baffle, and the water baffle and the two groups of cleaning assemblies jointly form a continuous flexible enclosure.

[0018] Or, the cleaning mechanism comprises a flexible ring-shaped fence, and the flexible ring-shaped fence is arranged on the periphery of the first shell.

[0019] According to some embodiments of the present application, the cleaning mechanism comprises a floating assembly, the floating assembly comprises a connecting head, a first floating subassembly and a second floating subassembly, the first floating subassembly is hingedly connected to the connecting head, and the first floating subassembly can be deflected around a first rotation axis, the second floating subassembly is hingedly connected to the first floating subassembly, the second floating subassembly can be deflected around a second rotation axis, and the first shell is fixed to the second floating subassembly; wherein the extension direction of the first rotation axis intersects with the extension direction of the second rotation axis.

[0020] According to some embodiments of the present application, the floating assembly further comprises a return elastic member, the return elastic member is connected between the connecting head and the first shell, and the return elastic member is configured to provide an elastic force to reset the first shell.

[0021] According to some embodiments of the present application, the cleaning mechanism comprises a plurality of support wheels, and the plurality of support wheels are arranged on the first shell, and in a natural state, part of the cleaning assembly protrudes downward beyond the lowest point of the support wheels.

[0022] According to the cleaning robot of the second aspect of the present application, the cleaning mechanism is arranged on the robot body, and the robot body can drive the cleaning mechanism to reciprocate on the medium surface.

[0023] Additional aspects and advantages of the present application will be given in part in the following description, some will become apparent from the following description, or will be understood by those skilled in the art through practice of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0024] The present application will be further described below in combination with the drawings and embodiments, wherein:

[0025] Figure 1 FIG. 1 is a structural schematic view of a cleaning mechanism according to an embodiment of the present application;

[0026] Figure 2 FIG. 2 is a bottom view of part of the structure of the cleaning mechanism according to the embodiment of the present application;

[0027] Figure 3 FIG. 3 is a structural schematic view of a cleaning robot according to an embodiment of the present application;

[0028] Figure 4 FIG. 4 is a sectional view of the cleaning robot according to the embodiment of the present application.

[0029] REFERENCE NUMERALS:

[0030] 100, first housing; 100a, suction passage; 100b, through hole;

[0031] 200, cleaning assembly; 210, brush; 220, flexible cleaning strip;

[0032] 300, spraying assembly; 310, spraying pipe; 320, nozzle;

[0033] 400, liquid recovery pipe; 500, valve body; 600, flexible fence;

[0034] 700, floating assembly; 710, connecting head; 720, first floating subassembly; 730, second floating subassembly; 740, return elastic member; 800, support wheel;

[0035] 20, robot body; 201, lifting mechanism. DETAILED DESCRIPTION

[0036] Embodiments of the present application are described below in detail, examples of which are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are only used to explain the present application, and cannot be understood as a limitation of the present application.

[0037] In the description of the present application, it is understood that the orientation description, such as the orientation or position relationship indicated by up, down, front, back, left, right, etc. is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as a limitation of the present application.

[0038] In the description of the present application, the meaning of several is more than one, the meaning of multiple is more than two, greater than, less than, more than, etc. are understood as not including the number, above, below, etc. are understood as including the number. If it is described as first, second, it is only used for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or the order of indicated technical features.

[0039] In the description of the present application, unless otherwise explicitly limited, the words such as setting, installing, connecting, etc. should be broadly understood, and the person skilled in the art can reasonably determine the specific meaning of the above words in the present application in combination with the specific content of the technical solution.

[0040] In the description of the utility model, the description of the reference terms "one embodiment", "some embodiments", "illustrative embodiment", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in combination with the embodiment or example are contained in at least one embodiment or example of the utility model. In the specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0041] Please refer to Figures 1-4 The embodiment of the application provides a cleaning mechanism suitable for a reciprocating cleaning robot.

[0042] The cleaning mechanism comprises a first shell 100, a cleaning assembly 200 and a spraying assembly 300.

[0043] Please refer to Figure 1 、 Figure 2 and Figure 4 The first shell 100 is a main frame, which provides a mounting base and support for other components. The first shell 100 has two groups of suction channels 100a. The two groups of suction channels 100a can be directly formed on the first shell 100 or separately formed and then arranged to form part of the first shell 100. The suction channel 100a has a suction end for liquid and gas to enter and an exhaust end for liquid and gas to flow out. The exhaust end is in communication with a negative pressure source.

[0044] Along the moving direction, the suction ends of the two groups of suction channels 100a are arranged at intervals. The spraying assembly 300 is used to spray liquid between the suction ends of the two groups of suction channels 100a. It can be understood that the liquid is sprayed on the surface of the medium to be cleaned, thereby reducing the difficulty of subsequent cleaning assembly 200 scraping and removing stains. The cleaning robot can move reciprocally, and the driving cleaning assembly 200 moves reciprocally and scrapes the surface of the medium to improve the cleanliness.

[0045] Among them, the two groups of suction channels 100a can be opened at different times, so that one group of suction channels 100a located on the front side of the moving direction is closed, and the other group of suction channels 100a located on the rear side of the moving direction is opened. It can be understood that during the cleaning process, one group of suction channels 100a is always in working condition. Specifically, the sprayed liquid is sucked by the group of suction channels 100a located on the rear side of the moving direction, and at this time, the group of suction channels 100a on the front side is closed. When the moving direction is reversed, the suction channel 100a on the front side of the original moving direction is on the rear side of the new moving direction, and the suction channel 100a on the rear side of the moving direction is opened to suck the liquid.

[0046] In the above embodiments, the liquid is sprayed to the medium surface to be cleaned by the spraying assembly 300, the cleaning robot moves so that the cleaning assembly 200 scrapes the medium surface to remove stubborn stains, the group of suction channels 100a located at the front side of the moving direction is closed, and the group of suction channels 100a of the cleaning assembly 200 located at the rear side of the moving direction is opened to adsorb the liquid so as to reduce the possibility of liquid polluting the surrounding medium surface, and since only one group of suction channels 100a is always opened, the power consumption can be reduced while ensuring the adsorption of the liquid by negative pressure.

[0047] In some embodiments, the number of cleaning assemblies 200 is two groups, which are arranged at the air suction end of one suction channel 100a, and the cleaning assembly 200 includes a brush 210 and a flexible cleaning strip 220. The flexible cleaning strip 220 and the brush 210 can both contact the medium surface, and the brush 210 is arranged at the inner side of the flexible cleaning strip 220, that is, the side close to the nozzle 320 of the spraying assembly 300. During movement, the brush 210 first contacts the liquid sprayed by the spraying assembly 300 and the contaminants, and can further disperse the liquid on the stains.

[0048] The bristles of the brush 210 have gaps for the liquid to enter the air suction end. It can be understood that the bristles of the brush 210 contact the medium surface, and the liquid can enter the suction channel 100a from the gaps between the bristles under the action of air flow.

[0049] The flexible cleaning strip 220 can be a silica gel strip, which has good water scraping effect. In other embodiments, the flexible cleaning strip 220 is a sponge, which has good cleaning effect, and part of the liquid can enter the suction channel 100a through the gaps of the sponge.

[0050] The flexible cleaning strip 220 and the brush 210 can be straight strips or arc-shaped strips. The brush 210 can be arranged close to the flexible cleaning strip 220.

[0051] In some embodiments, the spraying assembly 300 includes a spraying pipe 310 and a nozzle 320, and the side wall of the first shell 100 in the width direction has a through hole 100b. The width direction of the first shell 100 is the direction shown in the figure. Figure 2 Part of the spraying pipe 310 extends into the first shell 100 through the through hole 100b, and the part of the spraying pipe 310 extending through the through hole 100b extends along the width direction of the first shell 100.

[0052] The part of the spraying pipe 310 extending through the through hole 100b is located at the interval between the air suction ends of the two groups of suction channels 100a, and the nozzle 320 is connected to the part of the spraying pipe 310 extending through the through hole 100b.

[0053] It can be understood that the liquid flows along the spray pipe 310 and flows out from the nozzle 320, since the spray pipe 310 extends laterally into the first shell 100 from the first shell 100 and the part penetrating the hole 100b extends along the width direction of the first shell 100, this arrangement does not need to be bent compared with the arrangement extending downward from the top of the first shell 100 and then extending horizontally, so that the water pressure loss can be reduced.

[0054] The spray pipe 310 can be provided with a check valve, which is arranged upstream of the nozzle 320.

[0055] In some embodiments, the number of nozzles 320 is multiple, and the multiple nozzles 320 are spaced apart along the width direction of the first shell 100. The nozzle 320 has a ring-shaped nozzle opening for forming a ring-shaped spraying area on the medium surface. That is, the liquid is sprayed from the ring-shaped nozzle opening and forms a path similar to an inverted bowl under the action of gravity, and the projection of the path on the medium surface is a ring-shaped spraying area. In the extension direction of the spray pipe 310, the ring-shaped spraying areas of adjacent nozzles 320 partially overlap. In this way, it can be ensured that there is no gap between the sprayed liquids, so that the medium surface to be cleaned can be fully sprayed.

[0056] The nozzle 320 is arranged vertically downward along the gravity direction, the ring-shaped nozzle opening is at the lower end of the nozzle 320, and is arranged around the outer peripheral wall of the nozzle 320.

[0057] In some embodiments, the cleaning mechanism further comprises two groups of liquid recovery pipes 400 and a valve body 500, one end of each liquid recovery pipe 400 is connected to one group of suction channels 100a, the other end of each group of liquid recovery pipes 400 is connected to one inlet of the valve body 500 respectively, and one outlet of the valve body 500 is used to connect to a negative pressure source of the cleaning robot. The valve body 500 can be a three-way electromagnetic valve. The valve body 500 can selectively connect one outlet to one of the two inlets.

[0058] The suction end of the suction channel 100a can be a rectangular port, and the length dimension is greater than the width dimension.

[0059] In some embodiments, the cleaning mechanism comprises a flexible barrier 600 surrounding the first shell 100 to prevent liquid from flowing out.

[0060] In another embodiment, the cleaning mechanism comprises a water baffle, and the water baffle and the two groups of cleaning assemblies 200 jointly form a continuous flexible barrier 600 to prevent liquid from flowing out. The water baffle is provided in two groups, and the two groups of water baffles and the two groups of cleaning assemblies 200 jointly form a rectangular flexible barrier 600, which is arranged around the first shell 100.

[0061] It can be understood that, please refer to Figure 1The cleaning mechanism can include a fixed assembly fixedly connecting the cleaning robot and the first shell 100.

[0062] Please refer to Figure 3 and Figure 4 In some other embodiments, the cleaning mechanism includes a floating assembly 700, which includes a connecting head 710, a first floating subassembly 720, and a second floating subassembly 730. The connecting head 710 is used to fixedly connect the cleaning robot. The first floating subassembly 720 is hingedly connected to the connecting head 710 and can be deflected around a first rotation axis. The second floating subassembly 730 is hingedly connected to the first floating subassembly 720 and can be deflected around a second rotation axis. The first shell 100 is fixed to the second floating subassembly 730. The extension direction of the first rotation axis intersects with the extension direction of the second rotation axis. In this way, the first shell 100 can be deflected around the first rotation axis, the second rotation axis, or both. Deflection allows the angle of the first shell 100 to be adapted to the surface of the medium, so that the cleaning assembly 200 arranged in the first shell 100 is more evenly arranged on the surface of the medium, improving the cleaning effect.

[0063] The first rotation axis and the second rotation axis can be arranged perpendicularly.

[0064] Further, in some embodiments, the floating assembly 700 further includes a return elastic member 740 connected between the connecting head 710 and the first shell 100. The return elastic member 740 is configured to provide an elastic force to reset the first shell 100, so that the cleaning mechanism can be attached to the surface of the medium each time.

[0065] The connecting head 710 is in the form of a ring body. The number of return elastic members 740 is multiple. One end of the multiple return elastic members 740 is connected to the connecting head 710 of the ring body. The return elastic members 740 are inclined outward and have the other end connected to the first shell 100. The number of return elastic members 740 can be eight, which are evenly divided into four groups and arranged on the front side, the rear side, the left side, and the right side of the connecting ring body, respectively.

[0066] It can be understood that the medium surface can be curved and deformed, for example, in some embodiments, the cleaning mechanism includes a plurality of support wheels 800 arranged on the first housing 100. In a natural state, part of the cleaning assembly 200 extends downward beyond the lowest point of the support wheels 800. The support wheels 800 can better maintain the fit of the cleaning mechanism with the medium surface during movement. Specifically, the brush 210 and the flexible cleaning strip 220 of the cleaning assembly 200 extend downward beyond the lowest point of the support wheels 800. During cleaning, the brush 210 and the flexible cleaning strip 220 are compressed and deformed, and the deformation amount is controlled by the lowest point of the support wheels 800. Through the rolling and support of the support wheels 800, the brush 210 and the flexible cleaning strip 220 can always contact the medium surface at a suitable pressure and angle, ensuring the consistency and stability of the cleaning effect and improving the cleaning quality.

[0067] The embodiment of the present application also provides a cleaning robot, which comprises a robot body 20 and a cleaning mechanism. The cleaning mechanism is arranged on the robot body 20, and the robot body 20 can drive the cleaning mechanism to reciprocate on a medium surface. Specifically, the robot body 20 comprises a second housing and a walking mechanism arranged on the second housing, and the cleaning mechanism is arranged on the second housing.

[0068] The robot body 20 further comprises a lifting mechanism 201 arranged on the second housing and capable of driving the cleaning structure to lift or lower to press against or move away from the medium surface.

[0069] The above describes the embodiments of the present application in detail in combination with the drawings, but the present application is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the purpose of the present application. In addition, the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

Claims

1. A cleaning mechanism, characterized by, The application relates to a cleaning robot capable of reciprocating movement, which comprises: a first shell body having two groups of suction channels with suction ends for liquid to enter, the suction ends of the two groups of suction channels being arranged at intervals along the moving direction; a cleaning assembly arranged in the first shell body, the cleaning assembly being capable of scraping a medium surface; a spraying assembly for spraying liquid to the interval between the suction ends of the two groups of suction channels; wherein the two groups of suction channels are capable of being opened at different times, so that one group of suction channels located at the front side in the moving direction is closed, and the other group of suction channels located at the rear side in the moving direction is opened.

2. The cleaning mechanism of claim 1, wherein, The number of the cleaning assemblies is two, and each cleaning assembly is arranged at the suction end of one suction channel, the cleaning assembly comprising a brush and a flexible cleaning strip, the flexible cleaning strip and the brush being capable of contacting the medium surface, wherein the brush is arranged at the inner side of the flexible cleaning strip, and gaps are formed between the bristles of the brush for liquid to enter the suction end.

3. The cleaning mechanism of claim 1, wherein, The spraying assembly comprises a spraying pipe and a nozzle, the side wall of the first shell body in the width direction has a through hole, and the part of the spraying pipe penetrating through the through hole extends into the first shell body; wherein the part of the spraying pipe penetrating through the through hole is located at the interval between the suction ends of the two groups of suction channels and extends along the width direction of the first shell body, and the nozzle is connected to the part of the spraying pipe penetrating through the through hole.

4. The cleaning mechanism of claim 3, wherein, The number of the nozzles is multiple, and the multiple nozzles are arranged at intervals along the width direction of the first shell body; the nozzle has a ring-shaped nozzle opening for forming a ring-shaped spraying area on the medium surface, and the ring-shaped spraying areas of adjacent nozzles partially overlap in the extending direction of the spraying pipe.

5. The cleaning mechanism of claim 1, wherein, The cleaning mechanism further comprises two groups of liquid recovery pipes and a valve body, one end of each liquid recovery pipe is connected to one group of suction channels, the other end of each group of liquid recovery pipes is connected to one inlet of the valve body, and one outlet of the valve body is used for connecting to the negative pressure source of the cleaning robot.

6. The cleaning mechanism of claim 1, wherein, The cleaning mechanism comprises a water baffle, and the water baffle and the two groups of cleaning assemblies jointly form a continuous flexible baffle; alternatively, the cleaning mechanism comprises a ring-shaped flexible baffle, and the flexible baffle is arranged on the periphery of the first shell body.

7. The cleaning mechanism of claim 1, wherein, The cleaning mechanism comprises a floating assembly, the floating assembly comprising a connecting head, a first floating subassembly and a second floating subassembly, the first floating subassembly being hingedly connected to the connecting head and capable of deflecting around a first rotation axis, the second floating subassembly being hingedly connected to the first floating subassembly and capable of deflecting around a second rotation axis, and the first shell body being fixed to the second floating subassembly; wherein the extending direction of the first rotation axis intersects with the extending direction of the second rotation axis.

8. The cleaning mechanism of claim 7, wherein, The floating assembly further comprises a reset elastic member connected between the connecting head and the first shell body, and the reset elastic member is configured to provide an elastic force to reset the first shell body.

9. The cleaning mechanism of claim 1, wherein, The cleaning mechanism comprises a plurality of support wheels, and the plurality of support wheels are arranged on the first housing. In a natural state, part of the cleaning assembly extends downward beyond the lowest point of the support wheels.

10. A cleaning robot, characterized in that, The cleaning mechanism comprises a plurality of support wheels, and the plurality of support wheels are arranged on the first housing. In a natural state, part of the cleaning assembly extends downward beyond the lowest point of the support wheels. The cleaning mechanism comprises a plurality of support wheels, and the plurality of support wheels are arranged on the first housing. In a natural state, part of the cleaning assembly extends downward beyond the lowest point of the support wheels.

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