CN218279507U - Floor washing assembly - Google Patents

Abstract

The utility model provides a ground washing assembly, which comprises a ground washing machine and a base station, wherein a sewage tank is detachably connected to the ground washing machine; the top of the sewage tank is provided with a water inlet, and the bottom of the sewage tank is provided with a water outlet; the base station comprises a body, a water supply system and a drainage system, wherein the body is provided with an accommodating space for accommodating the sewage tank, the top of the accommodating space is provided with an upper water inlet at a position corresponding to the water inlet, and the bottom of the accommodating space is provided with a lower water inlet at a position corresponding to the water outlet; the water supply system is connected with the water feeding port and used for supplying water to the sewage tank to flush the sewage tank when the sewage tank is placed in the accommodating space; the drainage system is connected with the lower water gap and used for receiving sewage discharged by the sewage tank when the sewage tank is placed into the accommodating space. Should wash ground subassembly and mutually support through basic station and sewage case, not only can discharge sewage automatically, can self-cleaning sewage case moreover, be of value to and reduce user's use burden, improve user experience.

Description

Floor washing assembly

Technical Field

The embodiment of the utility model provides a relate to cleaning equipment technical field, especially relate to a wash ground subassembly.

Background

The floor washing machine can finish floor sucking, floor mopping and floor washing at one time, and the housework burden can be obviously reduced. As disclosed in the application: the Chinese patent of invention CN113768424A discloses a water supplementing system for a floor washing machine, which comprises the floor washing machine and a water supplementing base station, wherein the floor washing machine and the water supplementing base station are butted to form the water supplementing system, and the floor washing machine comprises a clean water tank, a charger end and a sewage tank. Can carry out the moisturizing to scrubber through the basic station, can also charge to scrubber. However, after the floor cleaning machine is full of water in the sewage tank, the sewage tank needs to be manually taken down, sewage is manually dumped, the inner wall of the sewage tank needs to be manually cleaned by the brush periodically, and the improvement of user experience is not facilitated.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned problems existing in the prior art, the embodiment of the present invention provides a floor washing assembly capable of automatically discharging sewage and automatically cleaning a sewage tank.

In order to solve the above problem, the embodiment of the present invention provides a technical solution:

a ground washing assembly comprises a ground washing machine and a base station, wherein a sewage tank is detachably connected to the ground washing machine;

the top of the sewage tank is provided with a water inlet, and the bottom of the sewage tank is provided with a water outlet;

the base station comprises a body, a water supply system and a drainage system, wherein the body is provided with an accommodating space for accommodating the sewage tank, the top of the accommodating space is provided with an upper water inlet at a position corresponding to the water inlet, and the bottom of the accommodating space is provided with a lower water inlet at a position corresponding to the water outlet; the water supply system is connected with the water feeding port and used for supplying water to the sewage tank to flush the sewage tank when the sewage tank is placed into the accommodating space; and the drainage system is connected with the lower water gap and is used for receiving sewage discharged by the sewage tank when the sewage tank is placed into the accommodating space.

Should wash ground subassembly and mutually support through basic station and sewage case, not only can discharge sewage automatically, can self-cleaning sewage case moreover, be of value to and reduce user's use burden, improve user experience.

In some embodiments, the water outlet is provided with a water discharge valve for opening or closing the water outlet; the bottom of the accommodating space is convexly provided with a bulge part at a position close to the water outlet, and the bulge part is used for triggering the drain valve to open the water outlet when the sewage tank is placed in the accommodating space, so that sewage in the sewage tank is discharged into the drainage system. The water outlet is opened by the mechanical cooperation of the convex part and the water discharge valve, the structure is simple, and the realization is easy.

In some embodiments, the drain valve includes a valve body and a first resilient member; the valve body is rotatably connected to the outer side of the sewage tank at a position close to the water discharge port, and the valve body is configured to rotate under the pushing of the convex part to open the water discharge port; the first elastic piece is used for applying reset elastic force to the valve body so as to drive the valve body to reset when the protruding portion is disengaged from the valve body. The valve body is simple in structure, simple in action process and easy to realize.

In some embodiments, the valve body has an L-shaped cross section, the valve body includes a trigger portion extending in a vertical direction and a blocking portion extending in a transverse direction, and the protrusion is configured to push the trigger portion in the transverse direction to drive the blocking portion to rotate so as to open the water outlet. Therefore, when the sewage tank is transversely placed into the accommodating space, the protrusion part can push the trigger part, so that the water outlet is opened.

In some embodiments, the drainage system comprises at least a drainage pipe communicating with the drain opening, a lumen of the drainage pipe forming a rotation space of the stopper. So, need not reserve the space that is used for dodging to seal fender portion between outlet and the lower mouth of a river for the structure is compacter.

In some embodiments, the base station further includes a first switch disposed in the receiving space, and a controller electrically connected to the first switch and the water supply system, respectively, wherein the first switch is configured to be triggered when the wastewater tank is placed in the receiving space and send a first signal to the controller, and the controller turns on the water supply system to flush the wastewater tank in response to the first signal.

In some embodiments, the water supply system includes a sealing ring, a water supply pipeline, a water supply valve and a water supply connector, the controller is electrically connected to the water supply valve, one end of the water supply valve is connected to the water supply opening through the water supply pipeline, the other end of the water supply valve is connected to the water supply connector, the water supply connector is used for being connected to a water source, and the sealing ring is arranged at the water supply opening. Like this, the water inlet can be through sealing washer and last mouth of a river sealing connection, can avoid flushing the sewage case in-process sparge water appearance spill.

In some embodiments, the receiving space is defined by a top wall, a first side wall and a bottom wall which are sequentially connected, and an opening is formed on the side of the receiving space opposite to the first side wall.

In some embodiments, a clamping groove is formed in the top wall, a retractable clamping pin is arranged at the top of the sewage tank, and the clamping pin is configured to be clamped into the clamping groove when the sewage tank is placed into the accommodating space so as to limit the sewage tank from dropping out. Therefore, the sewage tank can be stably connected in the accommodating space, the sewage discharge or the flushing process of the sewage tank is avoided, and the sewage tank and the base station are separated under the uncontrolled condition.

In some embodiments, the top of the body is provided with a pin hole, and one side of the body, which faces away from the first side wall, is provided with a handle opening, and the handle opening is close to the top end of the body;

the sewage tank further comprises a buckle, the buckle is vertically movably arranged in the position, opposite to the buckle opening, in the body, the bayonet lock is arranged at the top of the buckle and extends out of the pin hole, and a second elastic piece is arranged at the bottom of the buckle and used for applying upward elastic force to the buckle. So, user's singlehanded handle of pulling the buckle hand just can put into accommodating space with the sewage case, perhaps takes out the sewage case from accommodating space, and convenient operation can show improvement user experience.

In some embodiments, a spraying device is arranged in the sewage tank, the spraying device comprises a ball body, a water containing cavity is arranged in the ball body, the ball body is communicated with the water inlet through a water inlet pipe, and at least the bottom of the ball body is provided with a plurality of water spraying holes which penetrate through the ball body. Like this, be favorable to the sparge water to equidirectional spraying, and then can wash the each side inner wall of sewage case, be favorable to reducing and wash the blind area.

The utility model discloses wash ground subassembly, through basic station and sewage case mutually support, not only can discharge sewage automatically, can self-cleaning sewage case moreover, be of value to the use burden that reduces the user, improve user experience.

Drawings

Fig. 1 is a perspective view of a floor washing assembly according to an embodiment of the present invention;

FIG. 2 is an exploded view of a portion of the structure of a floor washing assembly in accordance with an embodiment of the present invention;

FIG. 3 is a top view of the base station in a state where the sewage tank is placed in the accommodation space;

FIG. 4 isbase:Sub>A cross-sectional view taken along line A-A of the base station of FIG. 3 with the latch not engaged with the latch slot;

FIG. 5 isbase:Sub>A cross-sectional view taken along line A-A of the base station of FIG. 3 with the latch engaging the latch slot;

FIG. 6 is a cross-sectional view taken along line B-B of the base station of FIG. 3;

FIG. 7 is a cross-sectional view taken along line C-C of the base station of FIG. 3;

FIG. 8 is a cross-sectional view of the base station of FIG. 3 taken along line D-D;

fig. 9 is a partial enlarged view of portion E of fig. 5;

fig. 10 is a partially enlarged view of a portion F in fig. 5.

Description of reference numerals:

100-a floor scrubber; 111-a handle assembly; 112-a large body assembly; 113-a floor brush assembly; 120-a sewage tank; 121-a water inlet; 122-a drain opening; 123 hand buckling openings; 130-a drain valve; 131-a valve body; 132-a first elastic member; 133-a trigger part; 134-blocking part; 141-bayonet lock; 142-a handle; 143-a second elastic member; 150-a spray device;

200-a base station; 210-a body; 211-a first body; 212-a second body; 213-a housing space; 214-a water feeding port; 215-a drain; 216-a boss; 217-card slot; 220-a water supply system; 221-a sealing ring; 222-water supply pipe; 223-water supply valve; 224-water supply connection; 230-a drainage system; 231-a drainage pipeline; 240-a first switch; 250-a controller.

Detailed Description

In order to make those skilled in the art better understand the technical solutions of the embodiments of the present invention, the present invention is described in detail below with reference to the accompanying drawings and the detailed description.

Referring to fig. 1 to 6, the embodiment of the present invention provides a floor washing assembly, which includes a floor washing machine 100 and a base station 200, wherein a sewage tank 120 is detachably connected to the floor washing machine 100. Alternatively, the scrubber 100 may include, for example, a handle assembly 111, a hull assembly 112, and a floor brush assembly 113, the handle assembly 111 being used for the user to hold and operate the scrubber 100, the sump tank 120 and the clean water tank being provided on the hull assembly 112, and the floor brush assembly 113 being used for suctioning and cleaning the floor.

The top of the waste water tank 120 is provided with a water inlet 121, and the bottom of the waste water tank 120 is provided with a water outlet 122. The base station 200 comprises a body 210, a water supply system 220 and a drainage system 230, wherein the body 210 is provided with an accommodating space 213 for accommodating the sewage tank 120, the top of the accommodating space 213 is provided with an upper water inlet 214 at a position corresponding to the water inlet 121, and the bottom of the accommodating space 213 is provided with a lower water inlet 215 at a position corresponding to the water outlet 122; the water supply system 220 is connected to the water inlet 214, and is configured to supply water to the wastewater tank 120 to flush the wastewater tank 120 when the wastewater tank 120 is placed in the accommodating space 213; the drainage system 230 is connected to the drain port 215, and is used for receiving the sewage discharged from the sewage tank 120 when the sewage tank 120 is placed in the accommodating space 213.

The utility model discloses wash ground subassembly, it includes basic station 200 and scrubber 100, sewage case 120 is full of water back, can pull down sewage case 120 from scrubber 100, put into accommodating space 213 on the basic station 200, sewage case 120's water inlet 121 can communicate with last mouth of a river 214 on the basic station 200, sewage case 120's outlet 122 can communicate with lower mouth of a river 215 on the basic station 200, water supply system 220 supplies water to sewage case 120, in order to wash sewage case 120, sewage in the sewage case 120 can discharge drainage system 230, in order to realize the purpose of automatic discharge sewage.

As shown in fig. 1, in some embodiments, the body 210 may include a first body 211 located at the bottom and a second body 212 located at the top of the first body 211, the first body 211 may be provided with a charging position for placing the scrubber 100, the charging position may be provided with a charging system, the scrubber 100 may be placed at the charging position for charging, and the receiving space 213 may be provided on the second body 212. For example, a notch may be formed at a side of the second body 212, and the receiving space 213 may be formed by the notch. Optionally, the accommodating space 213 is defined by a top wall, a first side wall and a bottom wall that are connected in sequence, and a side of the accommodating space 213 opposite to the first side wall is formed with an opening. For example, a top wall and a first side wall of the receiving space 213 may be formed on the second body 212, and a bottom wall of the receiving space 213 may be formed through a portion of an upper surface of the first body 211. Therefore, the sewage tank 120 can be placed into the accommodating space 213 only by aligning the sewage tank 120 with the opening and pushing the sewage tank into the accommodating space 213 along the transverse direction, the taking-out process is just opposite, the operation is simple, and the use is convenient.

In some embodiments, a drain valve 130 for opening or closing the drain opening 122 is disposed at the drain opening 122, as shown in fig. 4 and 5. A raised portion 216 is protruded from the bottom of the receiving space 213 near the drain hole 215, and the raised portion 216 is configured to trigger the drain valve 130 to open the drain hole 122 when the waste water tank 120 is placed in the receiving space 213, so that the waste water in the waste water tank 120 is drained into the drain system 230. The water outlet 122 is opened by the mechanical cooperation of the convex part 216 and the water discharge valve 130, the structure is simple, the realization is easy, and the production cost is low. Of course, in practical implementation, the drain valve 130 may also be an electrically controlled valve, and the controller may open the electrically controlled valve to open the drain opening 122 in response to the wastewater tank 120 being placed in the accommodating space 213.

As shown in fig. 10, in some embodiments, the drain valve 130 includes a valve body 131 and a first elastic member 132; the valve body 131 is rotatably connected to the outside of the waste water tank 120 at a position close to the drain opening 122, and the valve body 131 is configured to rotate under the push of the protrusion 216 to open the drain opening 122; the first elastic member 132 is configured to apply a return elastic force to the valve body 131 so as to drive the valve body 131 to return when the protruding portion 216 is disengaged from the valve body 131. That is, when the waste water tank 120 is put into the accommodation space 213, the valve body 131 is pushed by the protrusion 216 to rotate, thereby opening the drain port 122; when the waste water tank 120 is removed from the housing space 213, the protrusion 216 is disengaged from the valve body 131, and the valve body 131 is restored by the restoring elastic force applied by the first elastic member 132 to re-close the drain opening 122. The valve body 131 is simple in structure, simple in action process and easy to realize. Alternatively, the first elastic member 132 includes, but is not limited to, a spring plate, a torsion spring, and the like.

In some embodiments, the valve body 131 has an L-shaped cross section, the valve body 131 includes a trigger portion 133 extending along a vertical direction and a blocking portion 134 extending along a horizontal direction, the trigger portion 133 is configured to cooperate with a protrusion, the blocking portion 134 is configured to block the water outlet 122, and the protrusion 216 is configured to push the trigger portion 133 along the horizontal direction to drive the blocking portion 134 to rotate so as to open the water outlet 122. Thus, when the waste water tank 120 is horizontally placed in the storage space 213, the protrusion 216 pushes the trigger 133 to open the drain opening 122. Alternatively, the blocking portion 134 may have a plate shape and may abut against the lower surface of the sump 120 to block the drain opening 122. Optionally, a sealing member, such as a rubber pad or a rubber ring, may be disposed on the blocking portion 134 to improve the sealing performance of the blocking portion 134. Alternatively, a rib extending along the insertion direction of the waste water tank 120 may be disposed on the bottom wall of the accommodating space 213, and the protrusion 216 may be laterally protruded at an end of the rib near the opening. Optionally, a plurality of protrusions 216 may be arranged in parallel along the width direction of the trigger portion 133, so that the plurality of protrusions 216 can synchronously push the trigger portion 133, so that the valve body 131 is stressed uniformly, and can stably rotate and open the water outlet 122.

As shown in fig. 8 and 10, in some embodiments, the drainage system 230 includes at least a drainage pipe 231 communicating with the drainage port 215, and a lumen of the drainage pipe 231 forms a rotation space of the blocking portion 134. In this way, a space for avoiding the blocking portion 134 does not need to be reserved between the drain opening 122 and the drain opening 215, so that the structure is more compact. Alternatively, the blocking portion 134 may be circular, the diameter of the drainage pipe 231 may be larger than that of the blocking portion 134, the projection of the blocking portion 134 in the vertical direction may be located in the drainage pipe 231, the rotating shaft of the valve body 131 may be located at the edge of the drainage port 122, or the projection of the rotating shaft in the vertical direction may fall into the drainage port 122. Thus, when the stopper 134 is turned outward, it can be screwed into the drain pipe 231. In practical implementation, the drainage system 230 is not limited to the drainage pipe 231, and may include components such as the drainage valve 130, the drainage pump, and the drainage joint.

In some embodiments, the base station 200 may further include a first switch 240 and a controller 250, the first switch 240 may be disposed in the receiving space 213, the controller 250 is electrically connected to the first switch 240 and the water supply system 220, respectively, the first switch 240 is configured to be triggered when the wastewater tank 120 is placed in the receiving space 213 and sends a first signal to the controller 250, and the controller 250 starts the water supply system 220 to perform a watering flushing on the wastewater tank 120 in response to the first signal. Of course, in practice, the water supply port 214 may be opened by a structure similar to the protrusion 216 and the drain valve 130 to supply water to the wastewater tank 120.

In some embodiments, the first switch 240 may be disposed on the first sidewall. The first side wall is opposite to the insertion direction of the sewage tank 120, and the first switch 240 is arranged on the first side wall, so that the sewage tank 120 can trigger the first switch 240, the failure of the matching relation between the first switch 240 and the sewage tank 120 can be avoided, and the stable triggering of the first switch 240 is facilitated. Alternatively, the first switch 240 includes, but is not limited to, a micro switch, an infrared sensing switch, a hall sensor, etc., as long as it can be triggered by the sump 120 and can transmit the first signal to the controller 250.

In some embodiments, the water supply system 220 includes a sealing ring 221, a water supply pipeline 222, a water supply valve 223, and a water supply connector 224, the controller 250 is electrically connected to the water supply valve 223, one end of the water supply valve 223 is connected to the water supply port 214 through the water supply pipeline 222, the other end of the water supply valve 223 is connected to the water supply connector 224, the water supply connector 224 is used for connecting to a water source, and the sealing ring 221 is disposed at the water supply port 214. Thus, the water inlet 121 can be hermetically connected with the water inlet 214 through the sealing ring 221, and overflow of washing water in the washing process of the sewage tank 120 can be avoided.

In some embodiments, a spraying device 150 may be disposed in the waste water tank 120, and the spraying device 150 is communicated with the water inlet 121. After the sewage tank 120 is placed in the accommodating space 213, the water supply system 220 supplies water to the spraying device 150, and the spraying device 150 sprays water to the sewage tank 120 for flushing, so that sewage can be uniformly sprayed in the sewage tank 120, and a better cleaning effect can be achieved. Alternatively, the spraying device 150 may include a ball body having a water containing cavity therein, the ball body being communicated with the water inlet 121 through a water inlet pipe, at least the bottom of the ball body being provided with a plurality of water spraying holes therethrough, as shown in fig. 6 and 7. Thus, the flushing water is sprayed in different directions, the inner walls of the sides of the sewage tank 120 can be flushed, and the flushing blind area is reduced. Optionally, the water spray openings may be arranged in the radial direction of the sphere. Optionally, the lower half of the sphere may be provided with water spray holes, or the water spray holes may be arranged throughout the sphere.

In some embodiments, as shown in fig. 4, 5 and 9, a locking groove 217 is formed on the top wall, and a retractable locking pin 141 is disposed on the top of the waste water tank 120, and the locking pin 141 is configured to be locked into the locking groove 217 when the waste water tank 120 is placed in the accommodating space 213, so as to prevent the waste water tank 120 from falling out. Thus, the wastewater tank 120 can be stably coupled in the accommodating space 213, and the wastewater tank 120 and the base station 200 are separated from each other in an uncontrolled manner, thereby preventing wastewater from being discharged or a flushing process for the wastewater tank 120 from being performed.

In some embodiments, the top of the body 210 is provided with a pin hole, and one side of the body 210 facing away from the first side wall is provided with a handle opening 123, and the handle opening 123 is close to the top end of the body 210; the waste water tank 120 further includes a handle 142, the handle 142 is movably disposed in the body 210 at a position opposite to the handle opening 123 in a vertical direction, the latch 141 is disposed at the top of the handle 142 and extends through the pin hole, and a second elastic member 143 is disposed at the bottom of the handle 142, and the second elastic member 143 is used for applying an upward elastic force to the handle 142. Therefore, the user can put the sewage tank 120 into the accommodating space 213 or take the sewage tank 120 out of the accommodating space 213 by lifting the handle 142 with one hand, the operation is convenient, and the user experience can be obviously improved. Alternatively, the second elastic member 143 may include one or more coil springs. For example, a plurality of coil springs may be sequentially disposed in the width direction of the catching handle 142.

The utility model discloses wash ground subassembly, mutually support through basic station 200 and sewage case 120, not only can discharge sewage automatically, can self-cleaning sewage case 120 moreover, be of value to the use burden that reduces the user, improve user experience.

The above embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and the protection scope of the present invention is defined by the claims. Various modifications and equivalents of the invention can be made by those skilled in the art within the spirit and scope of the invention, and such modifications and equivalents should also be considered as falling within the scope of the invention.

Claims (11)

1. A floor washing assembly, the floor washing assembly comprises a floor washing machine (100) and a base station (200), a sewage tank (120) is detachably connected to the floor washing machine (100), and the floor washing assembly is characterized in that:

a water inlet (121) is formed in the top of the sewage tank (120), and a water outlet (122) is formed in the bottom of the sewage tank (120);

the base station (200) comprises a body (210), a water supply system (220) and a drainage system (230), wherein an accommodating space (213) for accommodating the sewage tank (120) is arranged on the body (210), an upper water inlet (214) is arranged at the position, corresponding to the water inlet (121), of the top of the accommodating space (213), and a lower water inlet (215) is arranged at the position, corresponding to the drainage outlet (122), of the bottom of the accommodating space (213); the water supply system (220) is connected with the water feeding port (214) and is used for supplying water to the sewage tank (120) to flush the sewage tank (120) when the sewage tank (120) is placed in the accommodating space (213); the drainage system (230) is connected with the drainage port (215) and is used for receiving sewage discharged by the sewage tank (120) when the sewage tank (120) is placed into the accommodating space (213).

2. The floor washing assembly according to claim 1, wherein a drain valve (130) for opening or closing the drain opening (122) is provided at the drain opening (122); a bulge part (216) is convexly arranged at a position, close to the drainage port (215), of the bottom of the accommodating space (213), and the bulge part (216) is configured to trigger the drainage valve (130) to open the drainage port (122) when the sewage tank (120) is placed into the accommodating space (213), so that sewage in the sewage tank (120) is drained into the drainage system (230).

3. The floor washing assembly according to claim 2, characterized in that the drain valve (130) comprises a valve body (131) and a first resilient member (132); the valve body (131) is rotatably connected to the outer side of the waste water tank (120) at a position close to the drain opening (122), and the valve body (131) is configured to rotate under the urging of the boss (216) to open the drain opening (122); the first elastic piece (132) is used for applying a return elastic force to the valve body (131) so as to drive the valve body (131) to return when the bulge (216) is disconnected with the valve body (131).

4. The floor washing assembly according to claim 3, wherein the valve body (131) is L-shaped in cross section, the valve body (131) comprises a vertically extending trigger portion (133) and a laterally extending blocking portion (134), and the protrusion (216) is configured to push the trigger portion (133) laterally to rotate the blocking portion (134) to open the water outlet (122).

5. The floor washing assembly according to claim 4, characterized in that the drain system (230) comprises at least a drain pipe (231) communicating with the drain opening (215), a lumen of the drain pipe (231) forming a rotation space of the blocking portion (134).

6. The floor washing assembly according to claim 1, wherein the base station (200) further comprises a first switch (240) and a controller (250), the first switch (240) is disposed in the receiving space (213), the controller (250) is electrically connected to the first switch (240) and the water supply system (220), respectively, the first switch (240) is configured to be triggered when the wastewater tank (120) is placed in the receiving space (213) and sends a first signal to the controller (250), and the controller (250) turns on the water supply system (220) to flush the wastewater tank (120) in response to the first signal.

7. The floor washing assembly according to claim 6, wherein the water supply system (220) comprises a sealing ring (221), a water supply pipeline (222), a water supply valve (223), and a water supply connector (224), the controller (250) is electrically connected to the water supply valve (223), one end of the water supply valve (223) is connected to the water feeding port (214) through the water supply pipeline (222), the other end of the water supply valve (223) is connected to the water supply connector (224), the water supply connector (224) is used for connecting to a water source, and the sealing ring (221) is disposed at the water feeding port (214).

8. The floor washing assembly according to claim 1, wherein the receiving space (213) is defined by a top wall, a first side wall and a bottom wall which are joined in sequence, and a side of the receiving space (213) opposite to the first side wall forms an opening.

9. The floor washing assembly according to claim 8, wherein a catch groove (217) is formed on the top wall, a retractable catch pin (141) is formed on the top of the wastewater tank (120), and the catch pin (141) is configured to catch into the catch groove (217) when the wastewater tank (120) is placed in the receiving space (213) to limit the wastewater tank (120) from being removed.

10. The floor washing assembly according to claim 9, characterized in that the top of the body (210) is provided with a pin hole, the side of the body (210) facing away from the first side wall is provided with a handle opening (123), and the handle opening (123) is close to the top end of the body (210);

the sewage tank (120) further comprises a buckle (142), the buckle (142) is vertically movably arranged in the body (210) at a position opposite to the buckle opening (123), the bayonet (141) is arranged at the top of the buckle (142) and extends out through the pin hole, a second elastic piece (143) is arranged at the bottom of the buckle (142), and the second elastic piece (143) is used for applying upward elastic force to the buckle (142).

11. The floor washing assembly according to claim 1, wherein a spraying device (150) is arranged in the sewage tank (120), the spraying device (150) comprises a sphere, a water containing cavity is formed in the sphere, the sphere is communicated with the water inlet (121) through a water inlet pipe, and at least the bottom of the sphere is provided with a plurality of water spraying holes penetrating through the sphere.

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