CN215305558U - Mopping base and floor washing machine with same - Google Patents

Abstract

A mopping base for a floor washing machine and a floor washing machine with the mopping base, the floor washing machine comprises: with drag organism of wiping the base and being connected, the organism includes sewage pipes, communicates the sewage recovery bucket in sewage pipes one end to and be used for forming the suction assembly of negative pressure, drag the base and include: a dirty suction inlet including a central inlet, a front suction port, and a rear suction port; the central inlet is communicated with a sewage pipeline through an upper opening at the upper end of the central inlet, the central inlet is communicated with a front suction port and a rear suction port through a lower opening at the lower end of the central inlet, the lower opening is positioned between the front suction port and the rear suction port, a backflow buffering part is arranged below the central inlet, and the backflow buffering part is provided with a buffering accommodating cavity which is used for storing sewage flowing down from the central inlet after the suction assembly stops working. The application provides a drag and wipe base and have its floor cleaning machine can effectively prevent when shutting down that remaining a small amount of sewage flows back to ground in the sewage pipes, promotes user's experience.

Description

Mopping base and floor washing machine with same

[ technical field ] A method for producing a semiconductor device

The utility model relates to the technical field of cleaning equipment, in particular to a mopping base for a floor washing machine and the floor washing machine with the mopping base.

[ background of the utility model ]

The floor washing machine is increasingly popular with the majority of users as a cleaning household appliance, and particularly, the wireless floor washing machine product is popular with the users because the wireless floor washing machine product is powered by a battery and is not bound by a power line when in use. With the development of floor washing machines, users are concerned more and more about the cleaning efficiency of the floor washing machines. The double-roller brush can quickly and efficiently clean the ground, and is more and more popular among users.

There are basically 2 technical solutions for the current products on the market: firstly, water is supplied to one of the rolling brushes, and the other rolling brush wets the rolling brush hairs by the wetted ground, and the scheme has the defects that the later rolling brush can not quickly perform decontamination exchange on the rolling brush because the later rolling brush wets the rolling brush by the residual water on the ground for decontamination interaction, and the cleaning effect is poor; the scheme that one water pump supplies water through the middle 3-way valve has the defects that the flow of the front rolling brush and the rear rolling brush is not controllable, and the water supply requirement that the front water outlet and the rear water outlet can reach can be met only by increasing the water supply quantity of the water pump, so that the cruising time of the solution barrel can be shortened and the product use experience is reduced.

In order to recover the sewage discharged by the rolling brush as soon as possible, the products usually have front and back 2 suction openings, and the floor cleaning is completed quickly and efficiently. Although this kind of product is very high-efficient when clean, save time, under the unchangeable circumstances of main power source power, because the maincenter entry is divided into two suction inlets in front and back by original single suction inlet, so, for single suction inlet, must can reduce the flow of air and to the vacuum on ground, simultaneously, because two rolling brush cleanness are more high-efficient, so under the same condition, sewage through sewage pipes will be more than single suction inlet in the unit interval, in the twinkling of an eye that the product was shut down, can remain a small amount of sewage in the pipeline, these sewage can be along with pipeline flow meeting ground, give the user and produce not good experience.

[ Utility model ] content

The utility model aims to provide a mopping base for a floor washing machine and the floor washing machine with the mopping base, which can effectively prevent a small amount of sewage remained in a sewage discharge pipeline during shutdown from flowing back to the ground, and improve the experience of a user.

The purpose of the utility model is realized by the following technical scheme:

a mopping base for a floor scrubbing machine, the floor scrubbing machine including a waste pipe connected with the mopping base, and a suction assembly for creating a negative pressure, the mopping base comprising:

a dirty suction inlet including a central inlet, a front suction port, and a rear suction port; the central inlet is communicated with the sewage pipeline through an upper opening at the upper end of the central inlet, the central inlet is communicated with the front suction port and the rear suction port through a lower opening at the lower end of the central inlet, the front suction port, the central inlet and the rear suction port are sequentially arranged along the front-rear direction, the lower opening is positioned between the front suction port and the rear suction port, when the suction assembly works to form negative pressure, sewage enters the sewage pipeline through the central inlet under the action of the negative pressure, a backflow buffering part is arranged below the lower opening, the backflow buffering part is provided with a buffering accommodating cavity, and the buffering accommodating cavity is used for storing the sewage flowing down from the central inlet after the suction assembly stops working.

In one embodiment, a projection of the lower opening on a working surface of the mop base falls within a range of a projection of the backflow buffering portion on the working surface.

In one embodiment, a projection of the lower opening on the working surface is within a range of a projection of the buffer accommodating cavity on the working surface.

In one embodiment, the forward suction port has a forward abutment wall at a central inlet abutment intersection, the aft suction port has an aft abutment wall at a central inlet abutment intersection, and a bottom of the return buffer is configured to be lower than the forward abutment wall and/or the aft abutment wall.

In one embodiment, the mop base comprises a shell, a front rolling brush arranged at the front part of the shell and a rear rolling brush arranged at the rear part of the shell; under the action of negative pressure, the sewage collected by the front rolling brush and the rear rolling brush in an auxiliary mode is sucked by the front suction port and the rear suction port, collected to the central inlet, flows into the sewage recovery barrel through the sewage discharge pipeline and is temporarily stored in the sewage recovery barrel.

In one embodiment, the front suction port faces a portion of an outer surface of the front drum brush, and the rear suction port faces a portion of an outer surface of the rear drum brush.

In one embodiment, in a case where the front and rear roll brushes are driven to rotate, a linear velocity direction of a position where the front roll brush contacts the work surface is directed to the front suction port side, and a linear velocity direction of a position where the rear roll brush contacts the work surface is directed to the rear suction port side.

In one embodiment, the cleaning device further comprises a front water spraying plate arranged to face the front rolling brush and a rear water spraying plate arranged to face the rear rolling brush, wherein the front water spraying plate and the rear water spraying plate are both communicated with a water source, cleaning water is sprayed to the front rolling brush through the front water spraying plate and is sprayed to the rear rolling brush through the rear water spraying plate;

still include the liquid pump, including first liquid pump and second liquid pump, first liquid pump with the end of intaking of second liquid pump all communicates with the water source, the play water end of first liquid pump with preceding water spray plate intercommunication, the play water end of second liquid pump with back water spray plate intercommunication, first liquid pump is used for to water pressurize and pass through the water after the pressurization preceding water spray plate to the front rolling brush sprays, the second liquid pump is used for to water pressurize and pass through the water after the pressurization back water spray plate to the back rolling brush sprays.

The application also provides a floor scrubber comprising the mopping base in any of the above embodiments.

Compared with the prior art, the utility model has the following beneficial effects: the application provides a drag and wipe base and have its floor cleaning machine has the buffering through having the waterproof chute that the chamber was acceptd in the buffering in maincenter entry below setting, and the buffering is acceptd the chamber and can be accepted certainly the sewage that the maincenter entry flowed down flows back to ground in remaining a small amount of sewage in sewage pipes when effectively preventing to shut down, leads to ground secondary pollution, promotes user's experience.

[ description of the drawings ]

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts. Wherein:

FIG. 1 is a schematic illustration of a scrubber as provided in an embodiment of the present application.

FIG. 2 is a schematic cross-sectional view of the scrubber shown in FIG. 1.

FIG. 3 is a schematic top view of the mopping base of the scrubber of FIG. 1.

Fig. 4 is an enlarged schematic view of the cross-sectional structure of the scrubber base a of the scrubber of fig. 2.

[ detailed description ] embodiments

In order to make the aforementioned objects, features and advantages of the present application more comprehensible, embodiments accompanying the present application are described in detail below with reference to the accompanying drawings. It is to be understood that the specific embodiments described herein are merely illustrative of the application and are not limiting of the application. It should be further noted that, for the convenience of description, only some of the structures related to the present application are shown in the drawings, not all of the structures. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The terms "comprising" and "having," as well as any variations thereof, in this application are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

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

An embodiment of the present application provides a mopping base 30 for a floor scrubbing machine 100. Figures 1-2 illustrate a scrubber 100 that utilizes the mopping base 30 provided by the present embodiment. The present application will be described in detail with reference to the use of the mopping base 30 in a floor washing machine 100.

Referring to fig. 1-2, a floor washing machine 100 includes a console 12, a body 10, and a mopping base 30.

The operation unit 12 is used for a user to operate and grip. The operation unit 12 is connected to the mop base 30, and a user holds the operation unit 12 to operate the mop base 30 to perform a cleaning task on a floor. In general, the scrubber 100 may also be referred to as a scrubber. In one implementation, the operating portion 12 is configured to stably stand on the mopping base 30 in an unused state, and the floor washing machine 100 is also referred to as a vertical floor washing machine.

Referring to fig. 4, the mop base 30 includes a housing 37 and a mop disposed on the housing 37. Specifically, the scrubbing element is a roller brush that is driven to rotate at high speeds to scrub the floor. In order to secure the mopping efficiency, the number of the roll brushes is two, respectively, the front roll brush 341 and the rear roll brush 342. The housing 37 has opposite front and rear portions, the front roll brush 341 being provided at the front portion of the housing 37, and the rear roll brush 342 being provided at the rear portion of the housing 37. In this embodiment, the front rolling brush 341 and the rear rolling brush 342 are disposed in parallel, and are at least partially accommodated in the housing 37, and a space is formed between the front rolling brush 341 and the rear rolling brush 342 to form an installation space. Referring to fig. 3, the axes of the front and rear roll brushes 341 and 342 are substantially perpendicular to the front-rear direction of the housing 37. In one embodiment, the front rolling brush may comprise one rolling brush or a plurality of small rolling brushes, and the plurality of small rolling brushes may be arranged in the front of the shell laterally side by side or in the front and back side by side just as a whole relatively close to the front end of the shell.

The mop base 30 further includes a water spray plate disposed in the installation space between the front roll brush 341 and the rear roll brush 342. Specifically, the water spray plates include a front water spray plate 361 disposed to face the front roll brush 341, and a rear water spray plate 362 disposed to face the rear roll brush 342. The mop base 30 is further provided with a dirty suction inlet for sucking residual sewage on the ground after cleaning, so that the sewage is recovered, the water spraying plate sprays water outwards, and the cleaned sewage is recovered through the dirty suction inlet, so that the ground is washed, dragged and sucked in a circulating process.

The machine body 10 includes a cleaning water container 50, a sewage recovery tank 40, and a suction assembly 20. The water cleaning container 50 is used to store cleaning water, communicates with the water spray plate, and is used to wet the roll brush and the floor. And a sewage recovery tank 40 for recovering sewage. The suction assembly 20 serves to form a negative pressure to suck the sewage on the ground into the sewage recovery tub 40. The machine body 10 further comprises a sewage discharge pipeline 13, one end of the sewage discharge pipeline 13 is communicated with the sewage recovery barrel 40, the other end of the sewage discharge pipeline 13 is communicated with the dirty suction inlet of the mop base 30, under the action of negative pressure, the sewage on the ground is sucked through the dirty suction inlet, flows into the sewage recovery barrel 40 through the sewage discharge pipeline 13 and is temporarily stored in the sewage recovery barrel 40.

In a particular embodiment, the suction assembly 20 includes a motor (not shown) and an impeller (not shown), the motor driving the impeller to rotate to generate the negative pressure. Further, in order to improve the portability of the scrubber 100, the battery pack 60 is used for supplying power, and referring to fig. 2, the battery pack 60 is disposed in the machine body 10 and electrically connected to the motor to provide power for the operation of the motor.

In this embodiment, referring to fig. 1 and 2, the body 10 is connected above the mopping base 30, the operation part 12 is connected to the body 10, the operation part 12 and the mopping base 30 are connected as a whole, and the user holds the operation part 12 and manipulates the body 10 and the mopping base 30 during the cleaning operation. In this embodiment, the machine body 10 extends lengthwise, the operation portion 12 is connected to the upper end of the machine body 10, the mopping base 30 is connected to the lower end of the machine body 10, and the machine body 10 and the mopping base 30 are rotatably arranged through the adapter 15, so that the operation portion 12 and the machine body 10 can rotate relative to the mopping base 30, thereby changing the operation angle and flexibly adjusting the cleaning posture.

The body 10 communicates the sewage recovery tub 40 with the dirty suction port of the mop base 30 through the sewage discharge pipe 13 to form a sewage recovery passage, and forms the cleaning water supply passage with the cleaning water container 50 and the mop base 30 through a clean water supply line (not shown). Wherein the sewage pipeline 13 and the clean water supply pipeline are both flexible hoses, pass through the adapter 15, are connected with the mop base 30, and can adjust the posture adaptively along with the rotation of the adapter 15.

In other embodiments, the body 10 may be separated from the mop base 30 and the operation portion 12, and the sewage pipe 13 and the clean water supply pipe are partially disposed outside and connected between the body 10 and the mop base 30. The sewage drain pipe 13 and the clean water supply pipe are both flexible hoses, so that the machine body 10 can be kept still during the cleaning operation, and only the mopping base 30 and the operating part 12 are operated, so that the corresponding operation volume is smaller, the weight is lighter, and the operation comfort is improved.

In this embodiment, referring to fig. 3 and 4, the mop base 30 further includes a liquid pump for pumping the water in the water cleaning container 50 and pumping the water to the water spraying plate, wherein the cleaning water is sprayed out from the water spraying plate, either on the ground or in the air, and in this embodiment, the liquid is basically sprayed on the corresponding surface of the roller brush. Because the floor cleaning machine 100 provided by the embodiment is provided with the two rolling brushes, the water adding amount of the two rolling brushes can be flexibly controlled, and the cleaning efficiency is improved. Further, the number of the liquid pumps is two, and the two liquid pumps include a first liquid pump 31 and a second liquid pump 32, wherein the water inlet ends of the first liquid pump 31 and the second liquid pump 32 are both communicated with the water cleaning container 50, the water outlet end of the first liquid pump 31 is communicated with the front water spraying plate 361, the water outlet end of the second liquid pump 32 is communicated with the rear water spraying plate 362, the first liquid pump 31 is used for sucking the water in the water cleaning container and spraying the pressurized water to the front rolling brush 341 through the front water spraying plate 361, and the second liquid pump 32 is used for sucking the water in the water cleaning container 50 and spraying the pressurized water to the rear rolling brush 342 through the rear water spraying plate 362. In another embodiment, the cleaning liquid container can be clean water, or the cleaning liquid and the clean water can be mixed or simply the cleaning liquid. The present application is described with reference to clear water as an example.

The scrubber 100 further includes a control panel (not shown) for controlling the operating frequency of the first and second liquid pumps 31 and 32, respectively, to adjust the watering flow rates of the front and rear water spray plates 361 and 362, respectively, to control the watering amounts of the front and rear roll brushes 341 and 342. Because the water adding of the front rolling brush 341 and the rear rolling brush 342 is controlled by the first liquid pump 31 and the second liquid pump 32 respectively, the water adding of the two rolling brushes is more flexibly controlled, and the control is convenient and effective, thereby ensuring the mopping effect of the floor washing machine.

Referring to fig. 3, the first liquid pump 31 and the second liquid pump 32 are respectively disposed on the left and right sides of the housing 37. Specifically, the first liquid pump 31 is disposed on the right side of the casing 37, and the second liquid pump 32 is disposed on the left side of the casing 37, that is, one liquid pump is disposed on each of the left and right sides of the casing 37, and the two liquid pumps in the mop base 30 are reasonably arranged, which is beneficial to the uniformity and miniaturization of the volume of the mop base 30. The positions of the first liquid pump 31 and the second liquid pump 32 may be interchanged, the first liquid pump 31 may communicate with the rear water jet plate 362, and the second liquid pump 32 may communicate with the front water jet plate 361, which is not limited herein. Fig. 3 shows a top view of the mop base, wherein the mop base 30 has a middle section S perpendicular to the front roller 341 and the rear roller 342, the middle section S is perpendicular to the paper in fig. 3, and thus shows only one straight line, the middle section S is located in the middle of the housing 37, and approximately divides the housing 37 into two symmetrical halves, and the first liquid pump 31 and the second liquid pump 32 are symmetrically disposed in the housing 37 about the middle section S. The terms "left" and "right" refer to the directions of the arrows shown in fig. 3 as "front" directions, the left side of the body as left, and the right side as right, respectively, when the user operates the floor washing machine 100. In the embodiments of the present application, the terms "upper", "lower", "front", "rear", "left", "right", and the like are used with reference to the state of the floor washing machine shown in fig. 1, and the above description is only for illustrative purposes and should not be construed as limiting the present application.

The first and second liquid pumps 31 and 32 are each located between the front and rear roll brushes 341 and 342. Because there is the interval between preceding round brush 341 and the round brush 342 of back, there is existing installation space, sets up first liquid pump 31 and second liquid pump 32 in this interval, and is less to the volume influence of mopping base 30 for mopping base 30 is more compact and small and exquisite. In other embodiments, the projection of the first liquid pump 31 onto the working surface of the mopping base 30 at least partially overlaps the projection of the front roller 341 and/or the rear roller 342 onto the working surface, or the projection of the second liquid pump 32 onto the working surface of the mopping base 30 at least partially overlaps the front roller 341 and/or the rear roller 342.

Specifically, the first liquid pump 31 and the second liquid pump 32 are disposed in the housing 37 and are symmetrical to each other, so that the mop base 30 has a uniform mass distribution and is not exposed, and the appearance of the mop base is more beautiful.

In this embodiment, continuing to refer to fig. 3, the mopping base includes a three-way valve 35, and the three-way valve 35 includes a first port, a second port, and a third port. Wherein, the first port is communicated with the water cleaning container 50 through the first water inlet pipe 391, the second port is communicated with the water inlet end of the first liquid pump 31 through the second water inlet pipe 392, and the third port is communicated with the water inlet end of the second liquid pump 32 through the third water inlet pipe 393. The first liquid pump 31 communicates with the front spray plate 361 through a first outlet pipe 394, and the second liquid pump 32 communicates with the rear spray plate 362 through a second outlet pipe 395. The first water inlet pipe 391 may also be directly connected to the clean water container 50, that is, as a part of the clean water supply pipeline, connected between the three-way valve 35 and the clean water container 50.

Clear water is sprayed on the rolling brush or the ground, sewage is generated after the rolling brush is dragged, the sewage is sucked and recovered as soon as possible, and the risk of secondary pollution to the ground caused by the sewage is reduced. In one embodiment, referring to fig. 4, the dirty intake port of the mop base 30 includes a central inlet 33, a front intake port 330 and a rear intake port 332, and the central inlet 33 is in communication with both the front intake port 330 and the rear intake port 332. Specifically, the center inlet 33 communicates with the sewage conduit 13 through an upper opening 336 at an upper end thereof, and the center inlet 33 communicates with both the front suction port 330 and the rear suction port 332 through a lower opening 338 at a lower end thereof. The front suction port 330 is disposed facing at least a part of an outer surface of the front roll brush 341, the rear suction port 332 is disposed facing at least a part of an outer surface of the rear roll brush 342, a front end of the center inlet 33 communicates with the front suction port 330, a rear end of the center inlet 33 communicates with the rear suction port 332, and an upper end of the center inlet 33 has an opening (not shown) through which the center inlet 33 communicates with the soil exhaust duct 13. Wherein, the central inlet 33, the front suction port 330 and the rear suction port 332 are all located between the front rolling brush 341 and the rear rolling brush 342, and under the negative pressure, the sewage collected by the front rolling brush 341 and the rear rolling brush 342 is sucked by the front suction port 330 and the rear suction port 332, collected to the central inlet 33, flowed into the sewage recovery barrel 40 through the sewage discharge pipe 13, and temporarily stored in the sewage recovery barrel 40. Specifically, the front suction port 330, the center inlet 33, and the rear suction port 332 are arranged in this order along the front-rear direction, and the center inlet 33 is substantially the same distance from the front suction port 330 and the rear suction port 332, respectively.

Therefore, the front suction port 330 is arranged at the position adjacent to the front rolling brush 341, and the rear suction port 332 is arranged at the position adjacent to the rear rolling brush 342, so that the sewage at the contact position of the rolling brush and the ground can be sucked and recovered as soon as possible, the sewage recovery efficiency is improved, and the cleaning effect is guaranteed. To secure the sewage suction efficiency, further, the front suction port 330 is faced to a portion of the outer surface below the axis of the front roll brush 341, and the rear suction port 332 is faced to a portion of the outer surface below the axis of the rear roll brush 342. This position is adjacent to the position where the roll brush is in contact with the ground, where the sewage is generated and collected, and the front and rear suction ports 330 and 332 can timely recover the sewage.

In a specific embodiment, the front suction port 330 has an overlap with the front roller brush 341 on the working surface of the mopping base 30, and correspondingly, the rear suction port 332 has an overlap with the rear roller brush 342 on the working surface of the mopping base 30. So that the front suction port 330 is adjacent to the front roll brush 341, the rear suction port 332 and the rear roll brush 342, ensuring high recovery efficiency of the polluted water.

In one embodiment, the rotation directions of the front and rear rollers 341 and 342 are set to be opposite to each other, and the front roller 341 is set to rotate counterclockwise and the rear roller 342 rotates clockwise with reference to the state of the floor washing machine shown in fig. 4, and in the case where the front and rear rollers 341 and 342 are driven to rotate, the linear velocity direction of the contact position of the front roller 341 with the floor is directed to the front suction port 330 side and the linear velocity direction of the contact position of the rear roller 342 with the work surface is directed to the rear suction port 332 side. Therefore, the moving direction of the sewage driven by the rotation of the rolling brush faces to the direction corresponding to the dirty suction inlet, so that the sewage can directly move towards the direction corresponding to the dirty suction inlet under the action of inertia, the sewage recovery efficiency is improved, and the cleaning effect is ensured.

It can be understood that the water cleaning container 50 can provide clean water for mopping the floor, the clean water is sprayed to the roller brush with fluff through the built-in clean water supply pipeline, the roller brush rotates at high speed to mop the floor, then the sewage after mopping the floor by the roller brush enters the pipeline through the dirty suction inlet arranged in front of and behind the mopping base 30, the power is provided by the motor, negative pressure and air flow are formed in the dirty suction inlet and the sewage discharge pipeline 13, the water in the dirty suction inlet and the sewage discharge pipeline 13 is driven to enter the sewage recovery barrel 40, and the processes of washing, mopping and sucking are completed. However, the sewage discharging pipe 13 must have a certain length, and in the process that sewage enters the sewage recovery barrel 40 through the dirty suction inlet and the sewage discharging pipe 13, it must be that sewage exists in each section of the sewage discharging pipe continuously, when a user finishes one-time work, when the floor washing machine is closed, because the suction assembly 20 stops working, the speed of water flow in the sewage discharging pipe 13 is slower than the speed of air flow, at this time, a small amount of sewage is inevitably remained in the sewage discharging pipe 13 and is not completely recovered, when the suction assembly 20 stops working, the sewage flows to the ground under the action of gravity, the flowing sewage drops on the ground, the ground is polluted again, the user needs to adopt other means to clean, and the use experience is very bad.

In order to solve the above problem, referring to fig. 4, in the floor washing machine according to an embodiment of the present invention, a backflow buffering portion 39 is disposed below the central inlet 33, and the backflow buffering portion 39 forms a buffering receiving cavity for temporarily storing the sewage flowing down from the central inlet 33 after the operation of the suction module 20 is stopped. Because the central inlet 33 is communicated with the lower end of the sewage discharge pipeline 13, when the suction assembly 20 stops working, sewage in the pipeline flows to the ground under the action of gravity, flows to the backflow buffer part 39 below and is temporarily stored in the buffer accommodating cavity, so that the sewage cannot flow to the ground, and the trouble of secondary cleaning is avoided.

In order to ensure that the sewage does not drip outside the range of the return-flow buffer, the return-flow buffer 37 is arranged such that its projection on the working surface of the mop base 30 covers the projection of the opening of the central inlet 33 on the ground. That is, the projection of the opening of the center inlet 33 on the working surface of the mop base 30 falls within the range of the projection of the return flow buffer 37 on the working surface. Further, the buffer accommodating chamber is arranged such that a projection of the opening of the center entrance 33 on the working surface of the mop base 30 covers a projection of the opening of the center entrance 33 on the working surface, and the projection of the opening of the center entrance 33 on the working surface falls within a range of the projection of the buffer accommodating chamber on the working surface. Wherein the work surface, which is to be understood as the work plane of the mopping base 30, is typically the ground, substantially horizontal.

In one embodiment, referring to fig. 4, the front suction port 330 has a front abutment wall 3301 at the adjacent intersection with the central inlet 33, the rear suction port 332 has a rear abutment wall 3321 at the adjacent intersection with the central inlet 33, and the bottom of the backflow buffer 39 is configured to be lower than the front abutment wall 3301 and/or the rear abutment wall 3321. Thus, the backflow buffer part is recessed towards the lower surface lower than the adjacent part of the front suction port 330 and the rear suction port 332, sewage is stored in the buffer accommodating cavity under the action of gravity, and as long as the volume of the buffer accommodating cavity is reasonably arranged, the risk that the sewage overflows to the lower surfaces of the front suction port and the rear suction port and flows out to the ground to cause pollution can be reduced.

The above is only one embodiment of the present invention, and any other modifications based on the concept of the present invention are considered as the protection scope of the present invention.

Claims (10)

1. A mopping base for a floor scrubbing machine, the floor scrubbing machine including a waste pipe connected with the mopping base, and a suction assembly for creating a negative pressure, the mopping base comprising:

a dirty suction inlet including a central inlet, a front suction port, and a rear suction port; the central inlet is communicated with the sewage pipeline through an upper opening at the upper end of the central inlet, the central inlet is communicated with the front suction port and the rear suction port through a lower opening at the lower end of the central inlet, the front suction port, the central inlet and the rear suction port are sequentially arranged along the front-rear direction, the lower opening is positioned between the front suction port and the rear suction port, when the suction assembly works to form negative pressure, sewage enters the sewage pipeline through the central inlet under the action of the negative pressure, a backflow buffering part is arranged below the lower opening, the backflow buffering part is provided with a buffering accommodating cavity, and the buffering accommodating cavity is used for storing the sewage flowing down from the central inlet after the suction assembly stops working.

2. The mop base of claim 1, wherein a projection of the lower opening onto a working surface of the mop base falls within a range of a projection of the backflow bumper onto the working surface.

3. The mop base of claim 2, wherein a projection of the lower opening onto the work surface falls within a range of a projection of the buffer receiving cavity onto the work surface.

4. The mop base of claim 1, wherein the front suction port has a front abutment wall at a junction adjacent to the hub inlet, the rear suction port has a rear abutment wall at a junction adjacent to the hub inlet, and a bottom of the backflow bumper is configured to be lower than the front abutment wall and/or the rear abutment wall.

5. The mop base of claim 1, wherein the mop base comprises a housing, a front roller brush disposed at a front portion of the housing and a rear roller brush disposed at a rear portion of the housing; under the action of negative pressure, the sewage collected by the front rolling brush and the rear rolling brush in an auxiliary mode is sucked by the front suction port and the rear suction port, collected to the central inlet, flows into the sewage recovery barrel through the sewage discharge pipeline and is temporarily stored in the sewage recovery barrel.

6. The mop base of claim 5, wherein said central inlet is approximately the same distance from said front suction port and said rear suction inlet port.

7. The mop base of claim 5, wherein the front suction port faces a portion of an outer surface of the front roller brush and the rear suction port faces a portion of an outer surface of the rear roller brush.

8. The mop base of claim 5, wherein the linear velocity direction of the position of the front roller brush in contact with the work surface is directed to the front suction port side and the linear velocity direction of the position of the rear roller brush in contact with the work surface is directed to the rear suction port side, with the front roller brush and the rear roller brush being driven to rotate.

9. The mopping base of claim 5, further comprising a front water spray plate disposed facing the front roller brush, and a rear water spray plate disposed facing the rear roller brush, both the front water spray plate and the rear water spray plate being in communication with a water source, cleaning water being sprayed through the front water spray plate toward the front roller brush, and through the rear water spray plate toward the rear roller brush;

still include the liquid pump, including first liquid pump and second liquid pump, first liquid pump with the end of intaking of second liquid pump all communicates with the water source, the play water end of first liquid pump with preceding water spray plate intercommunication, the play water end of second liquid pump with back water spray plate intercommunication, first liquid pump is used for to water pressurize and pass through the water after the pressurization preceding water spray plate to the front rolling brush sprays, the second liquid pump is used for to water pressurize and pass through the water after the pressurization back water spray plate to the back rolling brush sprays.

10. A floor scrubbing machine comprising a mopping base according to any one of claims 1 to 9.

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