CN117658253A - Self-cleaning sewage treatment device and cleaning robot - Google Patents

Abstract

The application relates to the technical field of cleaning equipment, in particular to a self-cleaning sewage treatment device and a cleaning robot, which solve the problem that the self-cleaning sewage treatment device needs manual assistance to clean a sewage tank. The self-cleaning sewage treatment device includes: a sewage tank, a filtering component and a spraying component. The sewage tank comprises a sewage inlet and a sewage outlet; the filtering component is arranged in the sewage tank and is communicated with the sewage inlet; the spraying assembly is arranged in the sewage tank and is configured to spray the inner side wall and the inner bottom surface of the sewage tank and the filtering assembly; the filter assembly is configured to receive sewage flowing in from the sewage inlet, filter the sewage, and discharge the filtered sewage into the sewage tank and then out of the sewage outlet. Because the filter component can filter sewage, spray the subassembly and can spray the washing to inside wall and the interior bottom surface and the filter component of sewage case, reduced the drainage pipe of sewage case by the probability of jam, need not artifical supplementary clearance.

Description

Self-cleaning sewage treatment device and cleaning robot

Technical Field

The application relates to the technical field of cleaning equipment, in particular to a self-cleaning sewage treatment device and a cleaning robot.

Background

The sewage collected from the ground by the apparatus having the floor washing function is temporarily stored in the sewage tank, and when the sewage tank is full or the sewage is discharged conveniently, the sewage in the sewage tank can be discharged.

However, due to the possible existence of sediment or sundries in the sewage, the drainage pipeline of the sewage tank can be blocked, and manual auxiliary cleaning is needed. Meanwhile, in the process of discharging sewage from the sewage tank, sediment or sundries can be deposited or attached to the inner bottom surface or the inner side wall of the sewage tank, and manual auxiliary cleaning is also needed.

Disclosure of Invention

In view of this, the embodiment of the application provides a self-cleaning sewage treatment device, has solved current self-cleaning sewage treatment device and has needed the problem of artifical supplementary clearance sewage case.

In a first aspect, embodiments of the present application provide a self-cleaning sewage treatment apparatus, applied to a cleaning robot, the self-cleaning sewage treatment apparatus comprising: a sewage tank including a sewage inlet and a sewage outlet; the filtering component is arranged in the sewage tank and is communicated with the sewage inlet; the spraying assembly is arranged in the sewage tank and is configured to spray the inner side wall and the inner bottom surface of the sewage tank and the filtering assembly; wherein the filter assembly is configured to receive the wastewater flowing in from the wastewater inlet, filter the wastewater, and drain the filtered wastewater into the wastewater tank, wherein the wastewater tank is configured to drain the filtered wastewater from the wastewater outlet.

In some embodiments, the spray assembly comprises a plurality of spray heads disposed at an edge region of the top of the sewage tank, and spray outlets of the spray heads are directed toward an inner bottom surface of the sewage tank; wherein, the shower nozzle can spray conical spraying, and conical summit is located the position that sprays the export.

In some embodiments, the inner sidewall of the tank includes a first recessed area, a first distance between a projected geometric center of the first recessed area at the top of the tank and a projected geometric center of the spray head at the top of the tank being less than a first preset distance; wherein the cross-sectional shape of the first recessed area includes a wire shape.

In some embodiments, the interior bottom surface of the tank has at least one first incline disposed at a first predetermined angle to the horizontal.

In some embodiments, the inner bottom surface of the tank has a second recessed area, and the sewage outlet is disposed in the second recessed area.

In some embodiments, the filter assembly comprises: the filter basket is communicated with the sewage inlet and is provided with a hollowed-out area, and the first vertical distance between the bottom surface of the filter basket and the inner bottom surface of the sewage tank is smaller than the second preset distance; the filter screen surrounds the side face of the filter basket and the bottom face of the filter basket, wherein the thickness of the filter screen is smaller than the preset thickness.

In some embodiments, the side of the filter basket includes a first protrusion, the filter assembly further includes a first magnetic attraction piece disposed below the first protrusion; the inner side wall of the sewage tank comprises a second bulge, the filter assembly further comprises a second magnetic attraction piece, and the second magnetic attraction piece is arranged above the second bulge; the first magnetic attraction piece and the second magnetic attraction piece are in magnetic attraction fit, so that the filtering assembly is detachably connected with the sewage tank.

In some embodiments, the filter basket comprises a filter basket body and a filter basket cover, the filter basket cover is rotatably connected with the filter basket body to realize the rotary opening and closing of the filter basket cover relative to the filter basket body; the side edge of the filter basket cover comprises a first hole, the filter basket body comprises a third bulge, the third bulge is matched with the first hole in a clamping way under the condition that the filter basket cover is opened for a second preset angle relative to the filter basket body, and the third bulge is separated from the first hole under the condition that the filter basket cover is covered with the filter basket body; or, the side edge of the filter basket cover comprises a fourth bulge, the filter basket body comprises a second hole, the fourth bulge is matched with the second hole in a clamping way under the condition that the filter basket cover is opened for a second preset angle relative to the filter basket body, and the fourth bulge is separated from the second hole under the condition that the filter basket cover is covered with the filter basket body.

In some embodiments, the self-cleaning sewage treatment apparatus further comprises: the deodorizing component is arranged in the sewage tank and detachably connected with the sewage tank, and the second vertical distance between the bottom of the deodorizing component and the inner bottom surface of the sewage tank is smaller than the third preset distance.

In a second aspect, embodiments of the present application provide a cleaning robot, comprising: the self-cleaning sewage treatment apparatus of the first aspect.

The self-cleaning sewage treatment device is applied to a cleaning robot. The self-cleaning sewage treatment device includes: a sewage tank, a filtering component and a spraying component. The sewage tank comprises a sewage inlet and a sewage outlet; the filtering component is arranged in the sewage tank and is communicated with the sewage inlet; the spraying assembly is arranged in the sewage tank and is configured to spray the inner side wall and the inner bottom surface of the sewage tank and the filtering assembly; wherein the filter assembly is configured to receive the sewage flowing in from the sewage inlet, filter the sewage, and drain the filtered sewage into the sewage tank, the sewage tank being configured to drain the filtered sewage from the sewage outlet.

The filtering component can filter sewage and discharge the filtered sewage into the sewage tank, and the filtered sewage has less sediment or impurities and even no sediment or impurities, so that the sediment and impurities in the sewage discharged into the sewage tank are less, and the blockage probability of a drainage pipeline of the sewage tank is reduced.

In addition, the spraying component sprays the inner side wall and the inner bottom surface of the sewage tank and the filtering component. Particularly in the sewage draining sewage tank process and after the sewage draining sewage tank, the spraying component sprays the inner side wall and the inner bottom surface of the sewage tank and the filtering component, dirt attached to the inner bottom surface or the inner side wall of the sewage tank and dirt attached to the filtering component can be washed, self-cleaning of the sewage tank is achieved, and manual auxiliary cleaning is not needed.

In addition, spray that spray produced can further wash filter component and sewage export, prevents that the dirt that adheres to filter component and sewage export position from blockking up filter component and sewage export, and whole self-cleaning's process need not artifical the participation, has improved user's use experience.

Drawings

The foregoing and other objects, features and advantages of the present application will become more apparent from the following more particular description of embodiments of the present application, as illustrated in the accompanying drawings. The accompanying drawings are included to provide a further understanding of embodiments of the application and are incorporated in and constitute a part of this specification, illustrate the application and not constitute a limitation to the application. In the drawings, like reference numerals generally refer to like parts.

Fig. 1 is a schematic structural diagram of a self-cleaning sewage treatment device according to an embodiment of the present application.

Fig. 2 is a top view of a self-cleaning sewage treatment apparatus according to an embodiment of the present application.

Fig. 3 is a side view of a self-cleaning wastewater treatment plant according to an embodiment of the present application.

FIG. 4 is a schematic cross-sectional view of the self-cleaning sewage treatment apparatus shown in FIG. 3 in the direction A-A.

FIG. 5 is a schematic cross-sectional view of the self-cleaning sewage treatment apparatus shown in FIG. 3 in the B-B direction.

Fig. 6 is a schematic structural diagram of a sewage tank according to an embodiment of the present application.

Fig. 7 is a schematic vertical cross-section of a sewage tank according to an embodiment of the present application.

Fig. 8 is a schematic horizontal cross-sectional view of a sewage tank according to an embodiment of the present application.

Fig. 9 is a schematic structural diagram of a filter assembly according to an embodiment of the present disclosure.

Fig. 10 is an enlarged view of a portion of the filter assembly of fig. 9 in position C.

Fig. 11 is a schematic structural diagram of a filter assembly according to another embodiment of the present disclosure.

Fig. 12 is a schematic structural view of a deodorizing module according to an embodiment of the present application.

Fig. 13 is a schematic structural view of a cleaning robot according to an embodiment of the present application.

Reference numerals:

10. a self-cleaning sewage treatment device; 100. a sewage tank; 101. an inner side wall of the sewage tank; 1010. a first recessed region; 1011. a second recessed region; 1012. a second protrusion; 1013. positioning holes; 1014. a through hole; 102. an inner bottom surface of the sewage tank; 1020. a first inclined surface; 110. a sewage inlet; 120. a sewage outlet; 121. a sewage outlet for automatically discharging sewage; 122. a sewage outlet for manual sewage discharge; 130. a double-layer tubular structure; 131. an inner tube; 132. an outer tube; 200. a filter assembly; 210. a liquid inlet pipe; 211. a seal ring; 220. a filter basket; 221. the bottom surface of the filter basket; 222. the side surface of the filter basket; 2221. a first protrusion; 2222. a positioning pin; 223. a hollowed-out area; 224. a filter basket body; 2241. a third protrusion; 225. a filter basket cover; 2251. a first hole; 2252. a buckle; 230. a filter screen; 240. a first magnetic attraction member; 250. a second magnetic attraction member; 260. an upper handle; 270. a side handle; 280. an in-situ detection magnet; 300. a spray assembly; 310. a spray head; 320. spraying; 400. a deodorizing assembly; 401. a blind end; 402. an open end; 403. an annular protrusion; 410. a third magnetic attraction member; 420. a fourth magnetic attraction member; a. a first distance; b. a first vertical distance; c. a second vertical distance; beta, a first preset angle.

Detailed Description

The following description of the technical solutions in the embodiments of the present application will be made clearly and completely with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, are intended to be within the scope of the present application.

The sewage collected from the ground by the apparatus having the floor washing function is temporarily stored in the sewage tank, and when the sewage tank is full or the sewage is discharged conveniently, the sewage in the sewage tank can be discharged. However, due to the possible existence of sediment or sundries in the sewage, the drainage pipeline of the sewage tank can be blocked, and manual auxiliary cleaning is needed. Meanwhile, in the process of discharging sewage from the sewage tank, sediment or sundries can be deposited or attached on the inner bottom surface or the inner side wall of the sewage tank, manual auxiliary cleaning is also needed, the labor intensity of a user is increased, and the convenience and the intellectualization of use can be affected _。

To the above-mentioned problem, the embodiment of the application provides a self-cleaning sewage treatment plant, is applied to cleaning robot, and self-cleaning sewage treatment plant includes: a sewage tank including a sewage inlet and a sewage outlet; the filtering component is arranged in the sewage tank and is communicated with the sewage inlet; the spraying assembly is arranged in the sewage tank and is configured to spray the inner side wall and the inner bottom surface of the sewage tank and the filtering assembly; wherein the filter assembly is configured to receive the wastewater flowing in from the wastewater inlet, filter the wastewater, and drain the filtered wastewater into the wastewater tank, wherein the wastewater tank is configured to drain the filtered wastewater from the wastewater outlet.

The filtering component can filter sewage and discharge the filtered sewage into the sewage tank, and the filtered sewage has less sediment or impurities and even no sediment or impurities, so that the sediment and impurities in the sewage discharged into the sewage tank are less, and the blockage probability of a drainage pipeline of the sewage tank is reduced.

In addition, the spraying component sprays the inner side wall and the inner bottom surface of the sewage tank and the filtering component. Particularly, in the process of discharging sewage from the sewage tank and after discharging sewage from the sewage tank, the spraying assembly sprays the inner side wall and the inner bottom surface of the sewage tank and the filtering assembly, dirt attached to the inner bottom surface or the inner side wall of the sewage tank and dirt attached to the filtering assembly can be washed, self-cleaning of the sewage tank is achieved, manual auxiliary cleaning is not needed, labor intensity of a user is reduced, and convenience and intellectualization of use are improved.

In addition, spray that spray produced can further wash filter component and sewage export, prevents that the dirt that adheres to filter component and sewage export position from blockking up filter component and sewage export, and whole self-cleaning's process need not artifical the participation, has improved user's use experience.

The specific structure of the self-cleaning sewage treatment apparatus will be described below with reference to the accompanying drawings.

Fig. 1 is a schematic structural diagram of a self-cleaning sewage treatment device according to an embodiment of the present application. Fig. 2 is a top view of a self-cleaning sewage treatment apparatus according to an embodiment of the present application. Fig. 3 is a side view of a self-cleaning wastewater treatment plant according to an embodiment of the present application. FIG. 4 is a schematic cross-sectional view of the self-cleaning sewage treatment apparatus shown in FIG. 3 in the direction A-A. FIG. 5 is a schematic cross-sectional view of the self-cleaning sewage treatment apparatus shown in FIG. 3 in the B-B direction. Fig. 6 is a schematic structural diagram of a sewage tank according to an embodiment of the present application. Fig. 7 is a schematic vertical cross-section of a sewage tank according to an embodiment of the present application. Fig. 8 is a schematic horizontal cross-sectional view of a sewage tank according to an embodiment of the present application. As shown in fig. 1 to 8, the self-cleaning sewage treatment apparatus 10 includes a sewage tank 100, a filter assembly 200, and a spray assembly 300.

The sewage tank 100 includes a sewage inlet 110 and a sewage outlet 120. Specifically, as shown in fig. 8, the sewage outlet 120 may include a sewage outlet 121 for automatic sewage discharge and a sewage outlet 122 for manual sewage discharge. Illustratively, the sewage inlet 110 may be provided at the top or side wall of the sewage tank 100, and the sewage outlet 120 may be provided at the side wall or bottom of the sewage tank 100, so that sewage flows in from the sewage inlet 110 and flows out from the sewage outlet 120. In the case where both the sewage inlet 110 and the sewage outlet 120 are provided at the side wall of the sewage tank 100, the sewage inlet 110 is positioned above the sewage outlet 120 so that sewage flows in from the sewage inlet 110 and flows out from the sewage outlet 120. The self-cleaning wastewater treatment plant 10 may have a self-cleaning mode. In the automatic cleaning mode, the sewage outlet 121 for automatic sewage discharge can be automatically opened, so that the spray assembly 300 can conveniently wash the inner sidewall 101 of the sewage tank and the inner bottom surface 102 of the sewage tank.

The filter assembly 200 is disposed within the sewage tank 100 in communication with the sewage inlet 110. Specifically, the filter assembly 200 may include a feed conduit 210. The liquid inlet pipe 210 is connected to the sewage inlet 110.

Illustratively, as shown in fig. 4 to 8, the sewage tank 100 includes a double-layered tubular structure 130 extending upward from the bottom of the sewage tank, the top end of the double-layered tubular structure 130 forming the sewage inlet 110, and the bottom end of the double-layered tubular structure 130 being connected to the sewage collecting device. Illustratively, the double-layer tubular structure 130 includes an inner tube 131 and an outer tube 132, the outer tube 132 being nested with the inner tube 131.

Illustratively, as shown in FIG. 6, at the top end of the double-layer tubular structure 130, there is a gap between the inner tube 131 and the outer tube 132. The liquid inlet pipe 210 is inserted into a gap between the inner pipe 131 and the outer pipe 132, so that the inner wall of the liquid inlet pipe 210 is connected with the inner pipe 131 in a sealing way, the outer wall of the liquid inlet pipe 210 is connected with the outer pipe 132 in a sealing way, and the sealing property between the liquid inlet pipe 210 and the sewage inlet 110 is further improved.

The spray assembly 300 is disposed within the tank 100 and is configured to spray the inner sidewall 101 of the tank and the inner bottom surface 102 of the tank, as well as the filter assembly 200. Specifically, spray assembly 300 includes a spray head 310. The end of the spray head 310 located outside the sump 100 is connected to a water supply line such that the water supply line supplies spray water to the spray head. The water supply line can supply pressurized spray water to the spray head. The spraying water can be clear water or liquid doped with a certain proportion of cleaning agent. The other end of the spray head 310 is a spray outlet for spraying.

Illustratively, the spray head 310 is capable of converting spray water provided by the water supply line into a more pressurized solid cone spray, i.e., as shown in FIG. 4, the spray 320 emitted by the spray head 310 is a solid cone spray. Fig. 4 shows a solid cone spray by dotted lines, in practice, the spray 320 will be sprayed on the inside wall 101 of the tank and the inner bottom 102 of the tank and the filter assembly 200, and the spray 320 will not be sprayed on the outside of the tank 100 due to the blocking of the inside wall 101 of the tank, and fig. 4 shows only schematically the spray shape of the spray 320.

Illustratively, a sealing ring may be disposed at a connection position of the spray head 310 and the water supply line, and a sealing ring may be disposed at a connection position of the spray head 310 and the sewage tank 100 to ensure tightness and reliability among the water supply line, the spray head 310 and the sewage tank 100. Illustratively, the water supply line and the spray head 310 may be connected by a joint. Specifically, the connector and the nozzle 310 can be connected through threads, so that the connection firmness is ensured. In addition, the fittings can also provide spray water at a pressure to the spray head 310.

Illustratively, self-cleaning wastewater treatment plant 10 may have a non-cleaning mode and a cleaning mode. In the non-cleaning mode, the highest level of sewage is below the spray outlet of spray head 310. In the cleaning mode, the sewage outlet 120 is opened, and sewage can be discharged from the sewage outlet 120 in time.

The filter assembly 200 is configured to receive sewage flowing in from the sewage inlet 110, filter the sewage, and discharge the filtered sewage into the sewage tank 100. The sewage tank 100 is configured to discharge filtered sewage from the sewage outlet 120. Specifically, the sewage outlet 120 is connected to a drain pipe so as to drain the filtered sewage from the drain pipe.

Because the filtering component 299 can filter sewage and discharge the filtered sewage into the sewage tank 100, and the filtered sewage has less sediment or impurities and even no sediment or impurities, the sediment and impurities in the sewage discharged into the sewage tank 100 are less, and the blockage probability of the drainage pipeline of the sewage tank 100 is reduced.

The spray assembly 200 sprays the inner sidewall 101 of the sewage tank and the inner bottom surface 102 of the sewage tank, and the filter assembly 200. Particularly, during the sewage draining process of the sewage tank 100 and after the sewage draining process of the sewage tank 100, the spraying assembly 200 sprays the inner side wall 101 of the sewage tank, the inner bottom surface 102 of the sewage tank and the filtering assembly 200, dirt attached to the inner side wall 101 of the sewage tank, the inner bottom surface 102 of the sewage tank and dirt attached to the filtering assembly 200 can be washed, self-cleaning of the sewage tank 100 is achieved, manual auxiliary cleaning is not needed, and the use experience of a user is improved.

Spray generated by spraying can further clean the filter assembly 200 and the sewage outlet 120, dirt attached to the positions of the filter assembly 200 and the sewage outlet 120 is prevented from blocking the filter assembly 200 and the sewage outlet 120, manual participation is not needed in the whole self-cleaning process, and the use experience of a user is further improved.

In some embodiments, as shown in fig. 1 and 2, the spray assembly 300 includes a plurality of spray heads 310, the plurality of spray heads 310 are disposed at an edge region of the top of the sewage tank 100, and spray outlets of the spray heads 300 face the inner bottom surface 102 of the sewage tank. As shown in fig. 4, the spray head 310 is capable of spraying a conical spray with the apex of the cone located at the spray outlet.

Illustratively, a plurality of spray heads 310 may be uniformly distributed around the edge area of the top of the sewage tank 100, or several spray heads 310 may be disposed in more than one area where important cleaning is required. For example, the area requiring important cleaning may be a recessed area, a protruding area, a corner area, or the like of the inner sidewall 101 of the sewage tank, which is difficult to clean.

In some embodiments, as shown in fig. 5, the interior sidewall 101 of the tank includes a first recessed region 1010. The first distance a between the geometric center of the projection of the first recessed area 1010 on the top of the tank 100 and the geometric center of the projection of the spray head 310 on the top of the tank 100 is smaller than the first preset distance. The first preset distance may be a distance set according to actual needs, and the application is not specifically limited.

The first concave area 1010 may have corners, which are difficult to clean, so that the shower nozzle 310 may be disposed closer to the first concave area 1010, thereby cleaning the first concave area 1010 with emphasis and improving the cleaning effect.

The cross-sectional shape of the first recessed area 1010 includes a curved shape, so that the corner position of the first recessed area 1010 is more convenient to clean, and the cleaning effect is further improved. In other words, the first recessed area 1010 is formed of an arcuate surface for cleaning.

In some embodiments, as shown in fig. 7 and 8, the interior bottom surface 102 of the tank has at least one first bevel 1020 disposed at a first predetermined angle β from the horizontal. The first preset angle β may be an angle set according to actual requirements, as long as sewage can flow from a higher side to a lower side of the first inclined plane 1020, and the numerical value of the first preset angle β is not specifically limited in this application. The number of the first inclined planes 1020 may be one or more, and three first inclined planes 1020 are shown in fig. 8.

In some embodiments, as shown in fig. 7 and 8, the inner bottom surface 102 of the sewage tank has a second concave region 1011, and the sewage outlet 120 is disposed in the second concave region 1011, so that sewage is conveniently and rapidly discharged from the sewage outlet 120, and sewage is not easily remained.

In some embodiments, filter assembly 200 includes a filter basket 220 and a filter screen 230. The filter basket 220 communicates with the sewage inlet 110. Specifically, the filter assembly 200 further includes a liquid inlet conduit 210, and the filter basket 220 may be in communication with the sewage inlet 110 through the liquid inlet conduit 210.

Fig. 9 is a schematic structural diagram of a filter assembly according to an embodiment of the present disclosure. Illustratively, as shown in fig. 9, the inlet pipe 210 has at least one ring of sealing rings 211 at the end connected to the sewage inlet 110, so that the inlet pipe 210 is hermetically connected to the sewage inlet 110. The liquid inlet pipe 210 may be made of rubber.

As shown in fig. 9 and 11, the filter basket 220 has a hollowed-out area 223. Illustratively, the hollowed-out area 223 may be disposed on the side 222 of the filter basket, may be disposed on the bottom 221 of the filter basket, and may be disposed on the side 222 of the filter basket and the bottom 221 of the filter basket. The hollowed-out area 223 may be rectangular, circular, or any other irregular pattern, which is not specifically limited in this application.

Illustratively, the filter basket 220 may include a plurality of hollowed-out areas 223. The plurality of hollowed-out areas 223 may be arranged in an array so that sewage flows out uniformly.

Illustratively, the screen 230 may surround the sides 222 of the filter basket and the bottom 221 of the filter basket. As shown in fig. 9 and 11, the filter 230 may be enclosed on the outer side of the filter basket and the outer bottom of the filter basket, and the filter 230 is perspective-processed in order to show the hollowed-out area 223. The filter screen 230 may be enclosed on the outer side of the filter basket and the outer bottom of the filter basket to facilitate removal, maintenance or replacement of the filter screen 230.

Illustratively, the thickness of the screen 230 is less than a preset thickness. The preset thickness may be selected according to practical applications, for example, 0.3mm, 0.15mm, etc. In other words, the thickness of the screen 230 is small, reducing the risk of clogging the filter assembly 200.

Illustratively, the screen 230 may be a steel wire mesh. The diameter of the wire mesh may be less than 0.5mm, for example, 0.15mm, to ensure that the thickness of the screen 230 is thin.

Illustratively, the mesh size and mesh density of the screen 230 may be selected according to the application scenario of the self-cleaning sewage treatment apparatus 10. For example, if the self-cleaning sewage treatment apparatus 10 is applied to a scene where silt and dust are more, the filter screen 230 having a larger mesh size and a smaller mesh density may be used. For another example, if the self-cleaning sewage treatment apparatus 10 is applied to a scene where dust is large such as an industrial grinding shop, the filter screen 230 having a large mesh size and a small mesh density may be used to prevent the filter screen 230 from being clogged. For another example, if the self-cleaning sewage treatment apparatus 10 is applied to a scene where such dust is less in a house, the filter screen 230 having a smaller mesh size and a larger mesh density may be used to improve the filtering effect.

Illustratively, as shown in fig. 4, the first vertical distance b of the bottom 221 of the filter basket from the inner bottom 102 of the sewage tank is less than the second preset distance. The second preset distance may be 100mm,50mm, etc. In practical applications, the second preset distance should not be too large to ensure that the bottom 221 of the filter basket is soaked by sewage for a long time, so as to prevent the filter assembly 200 from being blocked.

In addition, since the filter screen 230 is enclosed on the outer side of the filter basket 220, and the bottom 221 of the filter basket can be soaked in sewage for a long time, no dirty drying in the filter assembly 200 occurs, and the filter assembly 200 can be cleaned manually and regularly, and the filter assembly 200 can be directly brushed by a brush or flushed by clean water.

In some embodiments, as shown in fig. 11, the side 222 of the filter basket includes a first projection 2221. The filter assembly 200 also includes a first magnetic attraction member 240. The first magnetic attraction piece 240 is disposed under the first projection 2221. Specifically, the first protrusion 2221 may have a first groove below, and the first magnetic attraction member 240 may be disposed in the first groove. As shown in fig. 6, the inner sidewall 101 of the tank includes a second protrusion 1012. The filter assembly 200 also includes a second magnetic attraction 250. The second magnetic attraction 250 is disposed above the second protrusion 1012. The first magnetic attraction member 240 may be a magnet, and the second magnetic attraction member 250 may be iron; alternatively, the first magnetic member 240 may be made of iron, and the second magnetic member 250 may be made of a magnet.

Specifically, the second protrusion 1012 may have a second groove above, and the second magnetic attraction member 250 may be disposed in the second groove. The first magnetic attraction piece 240 and the second magnetic attraction piece 250 are in magnetic attraction fit, so that the filter assembly 200 is detachably connected with the sewage tank 100, and meanwhile, the filter assembly 200 can be prevented from shaking in the sewage tank 100 in the moving process of the self-cleaning sewage treatment device 10 through magnetic attraction fit.

In some embodiments, as shown in fig. 11, a positioning pin 2222 may be further provided below the first projection 2221. As shown in fig. 6, the second protrusion 1012 may also have a positioning hole 1013 above. The positioning pins 2222 are inserted into the positioning holes 1013 to fix the filter assembly 200 in the sewage tank 100, further preventing the filter assembly 200 from shaking in the sewage tank 100 during the movement of the self-cleaning sewage treatment apparatus 10.

In some embodiments, the filter basket 220 includes a filter basket body 224 and a filter basket cover 225. The filter basket cover 225 can shield sewage to prevent the sewage from splashing.

In some embodiments, as shown in fig. 9, the filter assembly 200 further includes a handle. Specifically, the filter assembly 200 may include an upper handle 260 and a side handle 270.

Illustratively, the upper handle 260 is a bar-shaped plate-like structure. A third recessed area is provided above the filter basket cover 225. The upper handle 260 is arranged above the third concave area, and the two ends of the upper handle 260 are respectively connected with the upper edge of the third concave area, so that the upper handle 260 is convenient to handle, the upper handle 260 can not protrude out of the filter basket cover 225, and the space above the filter basket cover 225 is saved.

Illustratively, the side handles 270 are disposed on the side 222 of the filter basket. To facilitate ease of handling, side handles 270 are provided in the upper region of the sides 222 of the filter basket to facilitate dumping of waste within the filter basket body 224.

In some embodiments, as shown in FIG. 9, a position sensing magnet 280 is provided on the filter basket cover 225. Specifically, the filter basket cover 225 may have a third recess therein. The in-situ sensing magnet 280 may be disposed within the third recess. Illustratively, the self-cleaning sewage treatment apparatus 10 further includes a hall sensor disposed above the filter basket cover 225 configured to detect the presence of the in-situ detection magnet 280 to determine whether the filter assembly 200 is installed within the sewage tank 100.

The following describes the installation process of the filter assembly 200: by manually holding the upper handle 260 of the filter assembly 200, the liquid inlet pipe 210 of the filter assembly 200 is aligned with the sewage inlet 110 of the sewage tank 100, the positioning pin 2222 of the filter assembly 200 is aligned with the positioning hole 1013 of the sewage tank 100, the limitation of the filter assembly 200 is limited by the guiding action of the positioning hole 1013, and the filter assembly 200 can be fixed by utilizing the magnetic attraction cooperation of the first magnetic attraction piece 240 and the second magnetic attraction piece 250.

The process of removing the filter assembly 200 is described as follows: the filter assembly 200 can be removed by manually grasping the upper handle 260 of the filter assembly 200, slightly lifting it, and sliding it sideways so that the inlet conduit 210 is pulled out of the sewage inlet 110.

The filter basket cover 225 is rotatably connected with the filter basket body 224 to enable rotational opening and closing of the filter basket cover 225 relative to the filter basket body 224. Specifically, one side of the filter basket cover 225 may include a rotation shaft, and the filter basket body 224 may include a shaft hole, and the rotation shaft and the shaft hole cooperate to realize a rotational connection of the filter basket cover 225 and the filter basket body 224.

As shown in fig. 10, the side of the basket cover 225 includes a first aperture 2251 and the basket body 224 includes a third protrusion 2241. With the basket cover 225 opened a second predetermined angle relative to the basket body 224, the third protrusions 2241 snap fit with the first holes 2251. With the basket cover 225 in engagement with the basket body 224, the third protrusions 2241 disengage the first holes 2251. The second preset angle may be 90 ° or 120 °, or other angles, which is not specifically limited in this application.

By the third protrusions 2241 being snap-fitted with the first holes 2251 in the case where the filter basket cover 225 is opened by a second predetermined angle with respect to the filter basket body 224, the filter basket cover 225 can be kept opened by the second predetermined angle with respect to the filter basket body 224, facilitating cleaning of the inside of the filter basket body 224.

In some embodiments, the side of the filter basket cover 225 includes a fourth protrusion, the filter basket body 224 includes a second aperture, the fourth protrusion is snap-fit with the second aperture when the filter basket cover 225 is opened a second predetermined angle relative to the filter basket body 224, and the fourth protrusion is disengaged from the second aperture when the filter basket cover 225 is closed with the filter basket body 224.

By the fourth protrusion being engaged with the second hole in a state that the filter basket cover 225 is opened by a second predetermined angle with respect to the filter basket body 224, the filter basket cover 225 can be kept opened by the second predetermined angle with respect to the filter basket body 224, facilitating cleaning of the inside of the filter basket body 224.

In some embodiments, as shown in fig. 11, the sides of the filter basket cover 225 include tabs 2252 and the sides of the filter basket body 224 include protrusions, the tabs 2252 snap-fit with the protrusions to close the filter basket cover 225 to the filter basket body 224, preventing the filter basket cover 225 from automatically opening.

In some embodiments, self-cleaning wastewater treatment device 10 also includes a deodorizing assembly 400. The deodorizing assembly 400 is provided in the sewage tank 100 and detachably connected to the sewage tank 100.

As shown in fig. 4, the second vertical distance c between the bottom of the deodorizing assembly 400 and the inner bottom surface 102 of the sewage tank 100 is smaller than the third preset distance. The third preset distance may be set according to actual needs as long as the bottom of the deodorizing assembly 400 is soaked in sewage, thereby removing the odor of the sewage by using the deodorizing assembly.

In one embodiment, as shown in FIG. 6, the second protrusion 1012 of the tank 100 may include a through hole 1014. In one embodiment, the deodorizing assembly 400 may be a tubular structure having a blind end 401 and an open end 402 as shown in FIG. 12. The deodorizing assembly 400 of a tubular structure is inserted into the through hole 1014, facilitating the disassembly of the deodorizing assembly 400.

In one embodiment, the open end 402 of the tubular structure has an annular protrusion 403. The deodorizing assembly 400 further includes a third magnetic attraction member 410 and a fourth magnetic attraction member 420. The third magnetic attraction member 410 may be a magnet, and the fourth magnetic attraction member 420 may be iron; alternatively, the third magnetic element 410 may be made of iron, and the fourth magnetic element 420 may be made of a magnet. The third magnetic attraction member 410 is disposed below the annular protrusion 403, and the fourth magnetic attraction member 420 may be disposed above the through hole 1014, and the third magnetic attraction member 410 and the fourth magnetic attraction member 420 are magnetically attracted to cooperate, thereby fixing the deodorizing assembly 400 in the sewage tank 100.

Specifically, the fourth magnetic attraction member 420 may be an annular magnetic attraction member, an axis of which is collinear with an axis of the through hole 1014, and a diameter of which is greater than or equal to a diameter of the through hole 1014, so that the deodorizing assembly 400 is smoothly inserted into the through hole 1014.

The sidewall and/or bottom of the deodorizing component 400 includes a hollowed-out area. The deodorizing product is placed inside the tubular structure, contacts the sewage through the hollow area, and generates deodorizing substances to deodorize and inhibit the odor of the sewage by using the deodorizing substances.

Fig. 13 is a schematic structural view of a cleaning robot according to an embodiment of the present application. As shown in fig. 13, the cleaning robot 1 includes: the self-cleaning sewage treatment apparatus 10 mentioned in the above embodiment.

The cleaning robot 1 may be a robot for cleaning the floor.

Since the cleaning robot 1 includes the self-cleaning sewage treatment apparatus 10, the cleaning robot 1 has all technical features and technical effects of the self-cleaning sewage treatment apparatus 10, and will not be described herein.

Reference in the specification to "one embodiment," "an embodiment," etc., means that a particular feature, structure, or characteristic may be included in the embodiments described, but every embodiment may not necessarily include the particular feature, structure, or characteristic. Moreover, such phrases are not necessarily referring to the same embodiment. Furthermore, when a particular feature, structure, or characteristic is described in connection with an embodiment, it is submitted that it is within the knowledge of one skilled in the art to effect such feature, structure, or characteristic in connection with other embodiments whether or not explicitly described.

It should be understood that "on … …", "above … …" and "above … …" in this disclosure should be interpreted in the broadest sense such that "on … …" means not only "directly on something" but also includes "on something" with intermediate features or layers therebetween, and "above … …" or "above … …" includes not only the meaning "on something" or "above" but also can include the meaning "on something" or "above" with no intermediate features or layers therebetween (i.e., directly on something).

Further, spatially relative terms, such as "below," "beneath," "above," "over," and the like, may be used herein for ease of description to describe one component or feature's relationship to another component or feature as illustrated. Spatially relative terms are intended to encompass different orientations of the component in use or operation in addition to the orientation depicted in the figures. The device may have other orientations (rotated 90 degrees or at other orientations), and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

The foregoing description of the preferred embodiments of the present invention is not intended to limit the invention to the precise form disclosed, and any modifications, equivalents, and alternatives falling within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. A self-cleaning sewage treatment device, characterized by being applied to a cleaning robot, comprising:

a sewage tank including a sewage inlet and a sewage outlet;

the filtering component is arranged in the sewage tank and is communicated with the sewage inlet;

the spraying assembly is arranged in the sewage tank and is configured to spray the inner side wall and the inner bottom surface of the sewage tank and the filtering assembly;

wherein the filter assembly is configured to receive the sewage flowing in from the sewage inlet, filter the sewage, and drain the filtered sewage into the sewage tank, wherein the sewage tank is configured to drain the filtered sewage from the sewage outlet.

2. The self-cleaning sewage treatment apparatus according to claim 1, wherein the spray assembly comprises a plurality of spray heads, the plurality of spray heads are provided at an edge region of the top of the sewage tank, and spray outlets of the spray heads face an inner bottom surface of the sewage tank;

the spray head can spray conical spray, and the vertex of the conical spray is positioned at the position of the spray outlet.

3. The self-cleaning wastewater treatment device of claim 2, wherein the interior sidewall of the wastewater tank includes a first recessed region, a first distance between a projected geometric center of the first recessed region at the top of the wastewater tank and a projected geometric center of the spray head at the top of the wastewater tank being less than a first preset distance;

wherein the cross-sectional shape of the first recessed area includes a wire shape.

4. The self-cleaning sewage treatment apparatus according to claim 1, wherein the inner bottom surface of the sewage tank has at least one first inclined surface disposed at a first predetermined angle with respect to the horizontal surface.

5. The self-cleaning sewage treatment apparatus according to claim 1, wherein the inner bottom surface of the sewage tank has a second recessed area, and the sewage outlet is provided in the second recessed area.

6. The self-cleaning wastewater treatment plant of any one of claims 1 to 5, wherein the filter assembly comprises:

the filter basket is communicated with the sewage inlet and is provided with a hollowed-out area, and the first vertical distance between the bottom surface of the filter basket and the inner bottom surface of the sewage tank is smaller than the second preset distance;

the filter screen surrounds the side face of the filter basket and the bottom face of the filter basket, wherein the thickness of the filter screen is smaller than a preset thickness.

7. The self-cleaning wastewater treatment device of claim 6, wherein the side of the filter basket comprises a first protrusion, the filter assembly further comprises a first magnetic attraction piece, the first magnetic attraction piece is disposed below the first protrusion;

the inner side wall of the sewage tank comprises a second bulge, the filter assembly further comprises a second magnetic attraction piece, and the second magnetic attraction piece is arranged above the second bulge;

the first magnetic attraction piece is in magnetic attraction fit with the second magnetic attraction piece, so that the filtering assembly is detachably connected with the sewage tank.

8. The self-cleaning sewage treatment device of claim 6, wherein the filter basket comprises a filter basket body and a filter basket cover, the filter basket cover is rotatably connected with the filter basket body to realize the rotary opening and closing of the filter basket cover relative to the filter basket body;

the side edge of the filter basket cover comprises a first hole, the filter basket body comprises a third protrusion, the third protrusion is in clamping fit with the first hole under the condition that the filter basket cover is opened by a second preset angle relative to the filter basket body, and the third protrusion is separated from the first hole under the condition that the filter basket cover is covered by the filter basket body; or,

the side of straining the basket lid includes the fourth arch, strain the basket main part and include the second hole strain the basket lid for strain the basket main part open under the condition of second default angle, the fourth arch with second hole joint cooperation strain the basket lid with strain the basket main part lid under the condition, the fourth arch breaks away from the second hole.

9. The self-cleaning sewage treatment apparatus according to any one of claims 1 to 5, further comprising:

the deodorizing component is arranged in the sewage tank and detachably connected with the sewage tank, and the second vertical distance between the bottom of the deodorizing component and the inner bottom surface of the sewage tank is smaller than a third preset distance.

10. A cleaning robot, comprising:

a self-cleaning sewage treatment device according to any one of claims 1 to 9.