CN215605451U - Sewage recovery device and cleaning equipment - Google Patents

Abstract

The embodiment of the utility model discloses a sewage recovery device and cleaning equipment, wherein the sewage recovery device comprises a separation part and a sewage tank, and the sewage tank is used for storing solid and liquid dirt; the separation part is arranged in the sewage tank and used for separating solid and liquid dirt in the sewage tank, and the separation part can reciprocate along the extending direction of the inner wall of the sewage tank; the separation part is provided with a scraping piece, the scraping piece is in contact with the inner wall, and the scraping piece is used for cleaning the inner wall in the movement process of the separation part. From this separation portion along the direction reciprocating motion's of the inner wall extension of sewage case in-process, can separate solid and liquid filth in the sewage case to it is clean to drive simultaneously and advance with the scraping piece of inner wall contact to the inner wall, and in order to avoid impurity to remain on the inner wall, thereby the user need not to clean the inner wall, and labour saving and time saving facilitates the user and uses.

Description

Sewage recovery device and cleaning equipment

Technical Field

The utility model relates to the field of surface cleaning equipment, in particular to a sewage recovery device and cleaning equipment.

Background

The cleaning device is generally used for cleaning dirt on a surface to be cleaned, and the cleaning device sprays cleaning liquid on the surface to be cleaned, beats or rubs the surface to be cleaned and the like so that the dirt on the surface to be cleaned is fully dissolved to form sewage, and then the motor provides wind power to suck the sewage into a recovery barrel through a recovery channel at a suction nozzle.

At present, be provided with filter components such as filter screen in the current recycling bin, filter components can separate out impurity such as the large granule solid in the sewage to separately store impurity and sewage. However, the user still has to remain on the inner wall of recycling bin at impurity after empting the impurity in the recycling bin to lead to the user still to need to use burnisher to wash the recycling bin, waste time and energy, the user's of not being convenient for use.

SUMMERY OF THE UTILITY MODEL

In the summary section a series of concepts in a simplified form is introduced, which will be described in further detail in the detailed description section. The inventive content of the present invention is not intended to define key features or essential features of the claimed solution, nor is it intended to be used to limit the scope of the claimed solution.

In a first aspect, an embodiment of the present invention provides a sewage recovery device, including a separation portion and a sewage tank, where the sewage tank is used for storing solid and liquid sewage; the separation part is arranged in the sewage tank and used for separating solid and liquid dirt in the sewage tank, and the separation part can reciprocate along the extending direction of the inner wall of the sewage tank; the separation part is provided with a scraping piece, the scraping piece is in contact with the inner wall, and the scraping piece is used for cleaning the inner wall in the movement process of the separation part.

Optionally, a cover body detachably connected with the sewage tank is further arranged at the opening of the sewage tank, and an air outlet is formed in the cover body; the inside of the sewage tank is also provided with a buoy which floats upwards along with the rising of the water level in the sewage tank, and when the buoy floats to a preset height, the buoy at least partially blocks the air outlet.

Optionally, the float comprises a float and a guide for guiding the float to rise to the air outlet.

Optionally, the guide member is a guide pipe, one end of the guide pipe is communicated with the air outlet, and the other end of the guide pipe extends into the sewage tank; one end of the float extends into the guide tube.

Optionally, the guide member is a guide rod, the float is a floating ball, one end of the guide rod is fixedly connected with the floating ball, the other end of the guide rod is slidably connected with the inner wall, and the guide rod can slide along the ascending direction of the floating ball.

Optionally, the water inlet channel is located inside the sewage tank, a water inlet channel is further arranged in the sewage tank, the water inlet channel is used for introducing solid and liquid sewage into the sewage tank, and the other end of the water inlet channel extends towards the opening; the water inlet channel is detachably connected with the separation part.

Optionally, the separation part comprises a filter part, an installation part connected with the filter part and a detachable connecting piece; scraping piece set up in filter the outer fringe of piece, the installation department cup joints the outside of inhalant canal, the installation department passes through detachable connections piece with inhalant canal can dismantle the connection.

Optionally, the mounting portion includes a pipe body that can be sleeved outside the water inlet channel; the top end of the pipe body or the water inlet channel is provided with a backflow prevention part capable of rebounding automatically, and when a fan assembly of the cleaning equipment is started and negative pressure is formed in the sewage tank, the backflow prevention part is pushed open by external air pressure; when the fan assembly is closed, the backflow prevention part covers the top end of the pipe body or the water inlet channel after rebounding.

Optionally, the backflow prevention part comprises a shielding piece and a resilient piece, and the shielding piece is connected with the top end of the water inlet channel or the top end of the pipe body through the resilient piece.

In a second aspect, the embodiment of the utility model provides a cleaning device, which includes a main body and the above-mentioned sewage recovery device, and the sewage recovery device is detachably connected with the main body.

According to the sewage recovery device and the cleaning equipment provided by the embodiment of the utility model, in the process that the separation part reciprocates along the direction in which the inner wall of the sewage tank extends, solid and liquid dirt in the sewage tank can be separated, and meanwhile, the scraping piece in contact with the inner wall is driven to clean the inner wall so as to avoid impurities from remaining on the inner wall, so that a user does not need to clean the inner wall, time and labor are saved, and the use by the user is facilitated.

Drawings

The following drawings of the utility model are included to provide a further understanding of the utility model as a part of the examples. The drawings illustrate embodiments of the utility model and, together with the description, serve to explain the principles of the utility model.

In the drawings:

FIG. 1 is a cross-sectional view of a wastewater recovery unit according to an alternative embodiment of the utility model;

FIG. 2 is an exploded view of a sewage recovery apparatus according to another alternative embodiment of the present invention;

FIG. 3 is a view showing a structure of a separating section;

FIG. 4 is a perspective view of the sewage recovery apparatus;

FIG. 5 is a sectional view of a wastewater recovery apparatus according to another alternative embodiment of the present invention;

FIG. 6 is an enlarged view of portion A of FIG. 5;

FIG. 7 is a positional relationship diagram of the separating portion and the scraping portion;

FIG. 8 is a block diagram of a host computer of a cleaning appliance in accordance with an alternative embodiment of the present invention;

fig. 9 is an exploded view of fig. 8.

100-sewage recovery device, 101-sewage tank, 102-water inlet channel, 103-separating part, 1031-mounting part, 1032-filtering part, 104-scraping part, 105-cover body, 106-air outlet, 107-backflow preventing part, 1071-shielding part, 1072-rebound part, 108-buoy, 1081-guiding part, 1082-floater, 109-sealing part, 110-spring buckle, 200-water absorbing part, 300-water purifying tank, 400-main body, 500-handle and 600-fan assembly.

Detailed Description

In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that the present invention may be practiced without one or more of these specific details. In other instances, well-known features have not been described in order to avoid obscuring the utility model.

It should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the utility model. As used herein, the singular is intended to include the plural unless the context clearly dictates otherwise. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.

Exemplary embodiments according to the present invention will now be described in more detail with reference to the accompanying drawings. These exemplary embodiments may, however, be embodied in many different forms and should not be construed as limited to only the embodiments set forth herein. It is to be understood that these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of these exemplary embodiments to those skilled in the art.

In a first aspect, as shown in fig. 1, an embodiment of the present invention provides a wastewater recovery apparatus 100, which includes a separation part 103 and a wastewater tank 101, wherein the wastewater tank 101 is used for storing solid and liquid pollutants; the separating part 103 is provided inside the sewage tank 101 for separating solid and liquid filth in the sewage tank 101, and the separating part 103 can reciprocate in a direction in which an inner wall of the sewage tank 101 extends; the scrapers 104 are in contact with the inner wall, and the scrapers 104 serve to clean the inner wall during the movement of the separating portion 103.

The wastewater recovery apparatus 100 in the present embodiment can be applied to a cleaning device, wherein the cleaning device can be a handheld mopping device or a handheld floor washing device. The cleaning device can be used for cleaning in a household or a large place, and the like. Specifically, as shown in fig. 8 and 9, taking the hand-held floor washing device as an example, the hand-held floor washing device comprises a cleaning head, a main body 400, a cleaning liquid supply system, a sewage recovery system, a battery assembly and the like.

One end of the main body 400 is rotatably connected with the cleaning head, the other end of the main body 400 is provided with the handle 500, when the floor washing robot is used, the whole body formed by the handle 500 and the main body 400 is inclined relative to the cleaning piece, so that the cleaning piece is more attached to the surface to be cleaned by utilizing the downward pressure generated by the gravity of the main body 400, and a user can conveniently push the cleaning piece by utilizing the handle 500, thereby saving more labor; when the cleaning device is placed on the charging pile, the handle 500 and the main body 400 are formed in a vertical manner with respect to the cleaning member, so that the occupied space of the hand-held floor washing device is reduced. The cleaning head comprises a cleaning head shell and a cleaning piece arranged in the shell, the specific structure of the cleaning piece is not limited, for example, the cleaning piece can be a floor wiping rag, a floor wiping sponge or a floor wiping rolling brush, and the like, as long as the cleaning of the surface to be cleaned can be realized, in addition, the material of the floor wiping rag is not limited, and the floor wiping rag can be cotton thread cloth, fiber cloth and the like. The floor cleaning roller brush comprises a roller brush and a driving part connected with the roller brush, wherein the roller brush can be in contact with a surface to be cleaned, and the driving part drives the roller brush to roll. A suction opening is provided in the bottom of the cleaner head housing for absorbing solid and liquid contaminants.

The cleaning liquid supply system includes a clean water tank 300, a nozzle provided in the cleaning head housing and used for supplying cleaning liquid to the cleaning member, a first mounting groove capable of accommodating the clean water tank 300 is provided on the main body 400, the clean water tank 300 is installed in the first mounting groove, the clean water tank 300 is communicated with the nozzle through a cleaning liquid output pipeline, and necessary parts such as a pump are further provided on the cleaning liquid output pipeline so that the cleaning liquid is timely delivered to the nozzle. In other embodiments, the nozzle can also be arranged outside the cleaning head shell and positioned at the front side of the suction opening, so that the nozzle is used for directly wetting the surface to be cleaned at the front side of the suction opening, and the cleaning member is used for brushing the wetted surface to be cleaned, and the brushing effect on the surface to be cleaned can also be achieved.

The sewage recovery system comprises a fan assembly 600, a sewage recovery device 100 and a sewage recovery pipeline connected between the sewage recovery device 100 and the suction port. The sewage recovery pipeline sucks solid and liquid dirt on a surface to be cleaned into the sewage recovery device 100 through the sewage recovery pipeline under the suction force provided by the fan assembly 600.

The battery assembly includes a rechargeable battery, a charging circuit connected to the rechargeable battery, and a second charging electrode disposed at the bottom of the main body 400. In some possible embodiments, the charging circuit includes a charging control circuit, a charging temperature detection circuit, and a charging voltage detection circuit. In some possible embodiments, the charging electrodes are strip-shaped, and there are two charging electrodes in total.

It should be noted that the cleaning device may further include other modules or components not shown in fig. 8 and 9, or may include only some of the modules or components described above, which is not limited by the embodiment of the present invention, and the description is given only by taking the sweeping robot as an example.

Specifically, in the present embodiment, a second mounting groove capable of accommodating the sewage tank 101 is further provided on the main body 400, the sewage tank 101 is mounted in the second mounting groove, and the sewage recovery pipe communicates with the water inlet pipe. During the cleaning operation, solid and liquid contaminants are sucked into the wastewater tank 101 through the wastewater recovery pipeline. After the cleaning operation is completed, the user may detach the sewage tank 101 from the main body 400, and then lift the separating part 103 to the opening at the upper portion of the sewage tank 101, in the process, the solid dirt may not pass through the separating part 103 and thus remain on the upper surface of the separating part 103, and the liquid dirt may flow back to the sewage tank 101 through the separating part 103, thus realizing the separation of the solid dirt from the liquid dirt, compared to the complex structure in the prior art in which the solid dirt and the liquid dirt are separately stored, when the sewage recovery device 100 of this embodiment stores, the solid dirt and the liquid dirt are stored in a mixed manner, thus simplifying the structure of the sewage recovery device 100 without providing a separate storage space, and in addition, in the process of separating the solid dirt from the liquid dirt, the sewage tank 101 may stand on a horizontal plane, thereby avoiding the overflow of the liquid dirt and simultaneously in the process of the lifting of the separating part 103, the scraping piece 104 is driven to rise simultaneously, so that the inner wall of the scraping piece 104 can be cleaned, impurities are prevented from remaining on the inner wall, a user does not need to clean the inner wall, time and labor are saved, and the cleaning device is convenient for the user to use. After the solid and the liquid dirt are separated by the separating part 103, a user can clean the solid dirt on the separating part 103 and then pour out the liquid dirt in the sewage tank 101; the separating part 103 can be taken out of the sewage tank 101, the solid sewage on the separating part 103 and the sewage in the sewage tank 101 can be treated independently, so that the cleaning operation of a user is more convenient, and after the cleaning is finished, the separating part 103 is installed in the sewage tank 101.

The sewage tank 101 may have any shape, and the shape of the sewage tank 101 is not strictly limited in this application. The scraping member 104 may be made of a soft material, such as cotton cloth, fiber cloth, etc., or an elastic material, such as rubber, etc., so as to ensure the scraping and cleaning effect and reduce the abrasion of the inner wall of the waste water tank 101.

According to the sewage recovery device 100 provided by the embodiment, in the process that the separating part 103 reciprocates along the direction in which the inner wall of the sewage tank 101 extends, the solid and the liquid sewage in the sewage tank 101 can be separated, and the scraping part 104 in contact with the inner wall is driven to clean the inner wall, so that impurities are prevented from remaining on the inner wall, and therefore a user does not need to clean the inner wall, time and labor are saved, and the sewage recovery device is convenient for the user to use.

In some realizable manners, as shown in fig. 2, 5 and 6, a cover 105 detachably connected to the sewage tank 101 is further disposed at the opening of the sewage tank 101, and an air outlet 106 is disposed on the cover 105; a float 108 that floats up as the water level in the waste water tank 101 rises is further provided inside the waste water tank 101, and when the float 108 floats up to a predetermined height, the float 108 at least partially blocks the air outlet 106.

In order to detachably mount the cover 105 at the opening of the sewage tank 101, the sewage tank 101 and the cover 105 are correspondingly provided with components having detachable connection functions, such as a buckle and a slot, which are of conventional structures in the field of mechanical connection and are not described herein again. Further, a sealing member 109 is further disposed between the cover 105 and the opening to improve the overall sealing performance, and optionally, the sealing member 109 may be a sealing ring.

The fan assembly 600 may be disposed on the upper portion of the cover 105, so that during the cleaning process, the fan assembly 600 forms a negative pressure in the sewage tank 101 through the air outlet 106, and solid and liquid dirt may be sucked into the sewage tank 101 through the sewage recovery pipeline and the water inlet channel 102 by the air pressure difference between the inside of the sewage tank 101 and the external environment.

In this embodiment, a float 108 capable of rising as the liquid dirt rises is further provided in the dirty water tank 101, when the float 108 rises to a preset height, the float 108 can block the air outlet 106, thereby preventing the liquid level in the sewage tank 101 from being too high, which causes the liquid dirt in the sewage tank 101 to overflow from the air outlet 106 and flow into the fan assembly 600 on the upper part of the cover body 105, causing the fan assembly 600 to enter water and malfunction, in addition, after the float 108 blocks the air outlet 106, the blower assembly 600 cannot pump the sewage tank 101, so that the liquid level in the waste tank 101 does not continue to rise, and the float 108 also functions to monitor the liquid level in the waste tank 101, compared with the water level sensing part arranged in the sewage tank 101, the water level sensing part has the advantages that complex circuit arrangement is avoided, the structure is simpler, electric leakage is avoided, and the use safety of equipment is improved. Further, still be equipped with response part in air outlet 106 department, when buoy 108 plugged up air outlet 106, response part sent the sensing signal, and after the controller received this sensing signal, control fan subassembly 600 stopped working, and the user need be after emptying the liquid filth in sewage tank 101, from letting fan subassembly 600 continue to work. The preset height may be set by a worker according to the height of the waste water tank 101, and is not strictly limited in this embodiment.

Further, the air outlet 106 is also provided with a water absorbing member 200, and water vapor in the air can be absorbed through the water absorbing member 200, so that the dryness of the air entering the fan assembly 600 from the air outlet 106 is ensured, and the fan assembly 600 is ensured to be in a dry working environment.

In a specific application, as shown in fig. 5, the float 108 includes a float 1082 and a guide 1081 for guiding the float 1082 to rise to the outlet 106.

Utilize guide 1081 to play the effect of spacing direction to the ascending motion of float 1082 to guarantee that float 1082 can be accurate carry out the shutoff to air outlet 106.

The float 108 may be made of a material with a small density, and when the liquid level in the sewage tank 101 reaches a preset liquid level, the float 1082 also moves to the air outlet 106, so as to block the air outlet 106. Further, the buoy 108 may also be hollow, thereby reducing the weight of the buoy 108.

Further, the guide member 1081 may be implemented by using different structures, as shown in fig. 5, the first structure is that the guide member 1081 is a guide pipe, one end of the guide pipe is communicated with the air outlet 106, and the other end of the guide pipe extends into the sewage tank 101; one end of the float 1082 extends into the guide tube.

The cross-sectional area of the float 1082 is greater than or equal to the area of the air outlet 106, so that the float 1082 can completely block the air outlet 106. The cross-sectional area of the guide tube is slightly larger than the cross-sectional area of the float 1082, thereby allowing the float 1082 to move within the guide tube. Alternatively, the float 1082 may take the form of an elongated cylindrical structure to fit within the guide tube.

One end of the float 1082 extends into the guide pipe, so that the float 1082 can move in the guide pipe in a floating and sinking mode, and therefore the guide limiting effect is achieved.

Another structure is that the guide 1081 is a guide rod, the float 1082 is a floating ball, one end of the guide rod is fixedly connected with the floating ball, the other end of the guide rod is connected with the inner wall in a sliding manner, and the guide rod can slide along the rising direction of the floating ball.

The diameter of the float ball is greater than or equal to the size of the air outlet 106, so that the float 1082 can completely block the air outlet 106. Specifically, the inner wall of the sewage tank 101 is provided with a slide way extending along the moving direction of the floating ball, and the guide rod can slide in the slide way, so that the floating ball is limited and guided.

In other realizations, as shown in fig. 1, 5 and 6, the waste water tank 101 is further provided with a water inlet channel 102, the water inlet channel 102 is used for introducing solid and liquid waste into the waste water tank 101, one end of the water inlet channel 102 is arranged inside the waste water tank 101, and the other end of the water inlet channel 102 extends towards the opening direction; the water inlet passage 102 is detachably connected to the separation portion 103.

During the cleaning operation, solid and liquid dirt are sucked into the water inlet channel 102 through the sewage recovery pipeline, and then introduced into the sewage tank 101 through the water inlet channel 102. By disposing one end of the inlet passage 102 inside the waste water tank 101, it is not necessary to additionally provide an installation space for the inlet passage 102, so that the overall size of the cleaning apparatus can be reduced. The water inlet channel 102 is detachably connected with the separating part 103, so that the separating part 103 is fixed on the water inlet channel 102 in the cleaning operation process, the stability of the separating part 103 is improved, and when the sewage tank 101 is cleaned, the separating part 103 can be separated from the water inlet channel 102, so that a user can move the separating part 103 to the outlet of the top, and the separation of solid and liquid dirt and the cleaning of the inner wall of the sewage tank 101 are realized.

Specifically, as shown in fig. 3, 5, 6 and 7, the separating unit 103 includes a filter unit 1032, a mounting unit 1031 connected to the filter unit 1032, and a detachable connecting member; scraping piece 104 sets up in the outer fringe of filtering, and the installation department 1031 cup joints in inhalant canal 102's outside, and installation department 1031 is connected with inhalant canal 102 through detachable connections spare can dismantle.

The filtering element can be a structure with filtering holes, such as a filtering net, or a plate-shaped structure with filtering holes, the size of the filtering holes can be selected according to actual conditions, it can be understood that the smaller the filtering holes are, the stronger the impurity blocking capacity is, and the better the filtering effect is, but correspondingly, the smaller the flow rate of sewage is, therefore, the size of the filtering holes of the filtering element can be designed by comprehensive consideration during design.

The filter part 1032 and the mounting part 1031 may be integrally formed, so that the filter part 1032 and the mounting part 1031 do not need to be assembled, and the preparation process is simplified.

With scraping piece 104 setting in the outer fringe of filtering, can come to implement certain extrusion force to scraping piece 104 through the outer fringe of filtering to make scraping piece 104 inseparabler with the inner wall laminating of dirty water tank 101, further improve the clean effect of scraping, make the structure between scraping piece 104 and the separation portion 103 compacter again.

Further, as shown in fig. 1, 4 and 5, the mounting portion 1031 includes a tube body that can be sleeved outside the water inlet passage 102; the top end of the pipe body or the water inlet channel 102 is provided with a backflow prevention part 107 capable of rebounding automatically, and when a fan assembly 600 of the cleaning equipment is started and negative pressure is formed in the sewage tank 101, the backflow prevention part 107 is pushed open by external air pressure; when the blower assembly 600 is closed, the backflow prevention part 107 rebounds to cover the top end of the pipe body or the water inlet passage 102.

Set up installation department 1031 into the body structure to can cup joint in the outside of inhalant canal 102, when the separation portion 103 need be taken out or pack in, installation department 1031 can regard as the part of snatching, and convenience of customers gets and puts separation portion 103. The shape of the mounting portion 1031 may be adapted to the shape of the water inlet passage 102, and the shape of the mounting portion 1031 and the shape of the water inlet passage 102 are not strictly limited in this embodiment.

The backflow prevention part 107 is arranged at the top end of the pipe body or the water inlet channel 102, so that the height of liquid dirt in the sewage tank 101 is higher than that of the water inlet channel 102, the liquid dirt in the sewage tank 101 cannot flow back to the sewage channel, the liquid dirt flows out of the cleaning equipment, the liquid level in the sewage tank 101 cannot be limited by the height of the water inlet channel 102, and the storage capacity of the sewage tank 101 is improved. Specifically, after the fan assembly 600 is opened, air in the sewage tank 101 is drawn out through the air outlet 106, negative pressure is formed in the sewage tank 101, so that a pressure difference is formed between the sewage tank 101 and external atmospheric pressure, and then the backflow prevention portion 107 is pushed open by external atmospheric pressure, so that sewage can smoothly flow into the sewage tank 101 through the water inlet channel 102, and meanwhile, due to the pressure difference, sewage in the sewage tank 101 cannot flow out through the water inlet channel 102. After the fan assembly 600 is closed, the negative pressure in the sewage tank 101 disappears, and the backflow preventing part 107 covers the pipe body or the top opening of the water inlet passage 102 after rebounding, so that the sewage is prevented from flowing back into the water inlet passage 102 due to the action of gravity.

Specifically, as shown in fig. 4, the backflow preventing portion 107 includes a shutter 1071 and a resilient member 1072, and the shutter 1071 is connected to the top end of the water inlet passage 102 or the pipe body through the resilient member 1072.

The shield 1071 can be a baffle that has a size greater than or equal to the cross-sectional area of the tube or inlet 102 so as to completely cover the top opening of the tube or inlet 102. The resilient member 1072 may be a resilient spring, and the restoring force of the resilient spring may be used to completely cover the top opening of the tube or the water inlet passage 102 with the shielding member 1071 after the blower assembly 600 is closed.

In a second aspect, an embodiment of the present invention provides a cleaning apparatus, which includes a main body 400 and the above-mentioned sewage recovery device 100, wherein the sewage recovery device 100 is detachably connected to the main body 400.

It should be noted that the sewage recovery device 100 in the present embodiment may adopt the sewage recovery device 100 in the above embodiments, and specific implementation and working principle may refer to corresponding contents in the above embodiments, which are not described herein again.

The sewage recovery device 100 and the main body 400 can be provided with a spring buckle 110 and a clamping groove, so that the sewage recovery device 100 and the main body 400 can be detachably connected, and a user can conveniently assemble, disassemble and clean the sewage recovery device 100.

According to the cleaning equipment provided by the embodiment, in the process that the separating part 103 reciprocates along the direction in which the inner wall of the sewage tank 101 extends, the separating part 103 separates solid and liquid dirt in the sewage tank 101, and meanwhile, the scraping part 104 in contact with the inner wall is driven to clean the inner wall, so that impurities are prevented from remaining on the inner wall, a user does not need to clean the inner wall, time and labor are saved, and the cleaning equipment is convenient for the user to use.

The present invention has been illustrated by the above embodiments, but it should be understood that the above embodiments are for illustrative and descriptive purposes only and are not intended to limit the utility model to the scope of the described embodiments. Furthermore, it will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that many variations and modifications may be made in accordance with the teachings of the present invention, which variations and modifications are within the scope of the present invention as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (10)

1. A sewage recovery device is characterized by comprising a separation part and a sewage tank, wherein the sewage tank is used for storing solid and liquid sewage;

the separation part is arranged in the sewage tank and used for separating solid and liquid dirt in the sewage tank, and the separation part can reciprocate along the extending direction of the inner wall of the sewage tank;

the separation part is provided with a scraping piece, the scraping piece is in contact with the inner wall, and the scraping piece is used for cleaning the inner wall in the movement process of the separation part.

2. The sewage recovery device of claim 1, wherein the opening of the sewage tank is further provided with a cover body detachably connected with the sewage tank, and the cover body is provided with an air outlet;

the inside of the sewage tank is also provided with a buoy which floats upwards along with the rising of the water level in the sewage tank, and when the buoy floats to a preset height, the buoy at least partially blocks the air outlet.

3. The apparatus for sewage recovery of claim 2 wherein the float comprises a float and a guide for guiding the float up to the air outlet.

4. The wastewater recovery device according to claim 3, wherein the guide member is a guide tube, one end of the guide tube is communicated with the air outlet, and the other end of the guide tube extends into the wastewater tank; one end of the float extends into the guide tube.

5. The apparatus for recycling sewage as claimed in claim 3, wherein said guiding member is a guiding rod, said float is a floating ball, one end of said guiding rod is fixedly connected to said floating ball, the other end of said guiding rod is slidably connected to said inner wall, and said guiding rod is slidable along the ascending direction of said floating ball.

6. The waste water recovery device as claimed in claim 2, wherein a water inlet channel is further disposed in the waste water tank, the water inlet channel is used for introducing solid and liquid waste into the waste water tank, one end of the water inlet channel is disposed inside the waste water tank, and the other end of the water inlet channel extends towards the opening; the water inlet channel is detachably connected with the separation part.

7. The wastewater recovery device according to claim 6, wherein the separation part comprises a filter part, a mounting part connected with the filter part, and a detachable connecting part;

scraping piece set up in the outer fringe of filter house, the installation department cup joints the outside of inhalant canal, the installation department passes through detachable connections spare with inhalant canal can dismantle the connection.

8. The apparatus according to claim 7, wherein the mounting portion comprises a tube body that is sleeved outside the water inlet passage;

the top end of the pipe body or the water inlet channel is provided with a backflow prevention part capable of rebounding automatically, and when a fan assembly of the cleaning equipment is started and negative pressure is formed in the sewage tank, the backflow prevention part is pushed open by external air pressure; when the fan assembly is closed, the backflow prevention part covers the top end of the pipe body or the water inlet channel after rebounding.

9. The apparatus for recycling sewage according to claim 8, wherein the backflow preventing portion comprises a shielding member and a resilient member, the shielding member is connected to the top end of the water inlet passage or the pipe body through the resilient member.

10. A cleaning device, characterized in that the cleaning device comprises a main body and a sewage recovery device according to any of claims 1-9, which sewage recovery device is detachably connected to the main body.

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