CN215305561U - Floor cleaning machine - Google Patents

Abstract

A floor washing machine comprises a handle, a base assembly and a main body part; the base assembly includes: a housing; a front rolling brush; a rear rolling brush; the spraying part comprises a front spraying part arranged close to the front rolling brush and a rear spraying part arranged close to the rear rolling brush; the liquid inlet ends of the first booster pump and the second booster pump are communicated with the liquid storage tank, the liquid outlet end of the first booster pump is communicated with the front spraying part, and the liquid outlet end of the second booster pump is communicated with the rear spraying part; and the control plate is used for respectively controlling the first booster pump and the second booster pump so as to respectively adjust the liquid spraying flow of the front spraying part and the rear spraying part. The application provides a floor cleaning machine, the liquid feeding control of two round brushes is nimble convenient.

Description

Floor cleaning machine

[ technical field ] A method for producing a semiconductor device

The utility model relates to the technical field of cleaning equipment, in particular to a floor washing machine.

[ background of the utility model ]

The floor washing machine is increasingly popular among users as a cleaning household appliance, and particularly, a wireless floor washing machine product is popular among 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 a water pump supplies water through the middle 3-way valve has the defects that the flow of the front rolling brush and the flow of the rear rolling brush are 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 inevitably, and the product use experience is reduced.

Accordingly, there is a need for improvements in the art that overcome the deficiencies in the prior art.

[ Utility model ] content

The utility model aims to provide a floor washing machine, which is more flexible and effective in a liquid (water) adding mode.

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

a floor scrubber, comprising: the cleaning device comprises a main body part, a handle and a base assembly, wherein the handle is positioned at one end of the main body part and used for holding, the base assembly is positioned at the other end of the main body part, and the main body part comprises a liquid storage tank used for storing cleaning liquid; characterized in that, the base subassembly includes:

a housing having opposing front and rear portions;

a front roll brush provided at the front of the housing;

a rear roll brush disposed at the rear of the housing;

a spraying part including a front spraying part adjacent to the front rolling brush and a rear spraying part adjacent to the rear rolling brush;

the liquid inlet ends of the first booster pump and the second booster pump are communicated with the liquid storage tank, the liquid outlet end of the first booster pump is communicated with the front spraying part, the liquid outlet end of the second booster pump is communicated with the rear spraying part, the first booster pump is used for sucking liquid in the liquid storage tank and spraying the pressurized liquid out through the front spraying part, and the second booster pump is used for sucking liquid in the liquid storage tank and spraying the pressurized liquid out through the rear spraying part;

the first booster pump and the second booster pump operate independently to adjust the liquid feeding flow of the front water spray plate and the rear water spray plate respectively.

In one embodiment, the first booster pump and the second booster pump are respectively disposed at two sides of the casing.

In one embodiment, the base assembly has a median plane S perpendicular to the front and rear roll brushes, and the first and second booster pumps are disposed substantially symmetrically within the housing with respect to the median plane S.

In one embodiment, the first and second booster pumps are located between the front and rear rolling brushes, or a projection of the first booster pump on the working surface of the base assembly at least partially overlaps a projection of the front and/or rear rolling brushes on the working surface, or a projection of the second booster pump on the working surface of the base assembly at least partially overlaps a projection of the front and/or rear rolling brushes on the working surface.

In one embodiment, the base assembly further includes a three-way valve, the three-way valve includes a first port, a second port and a third port, the first port is communicated with the liquid storage tank, the second port is communicated with the liquid inlet of the first booster pump, and the third port is communicated with the liquid inlet of the second booster pump.

In one embodiment, the main body further comprises a sewage recovery barrel, a sewage recovery pipe communicated with the sewage recovery barrel and a suction assembly for forming negative pressure;

the base component further comprises a suction port, the suction port comprises a main suction port, a front suction port and a rear suction port, the front suction port faces the front rolling brush, the rear suction port faces the rear rolling brush, the main suction port is communicated with the front suction port and the rear suction port, the main suction port is communicated with the sewage recovery pipe through an upper opening in the upper end of the main suction port, the main suction port is communicated with the front suction port and the rear suction port through a lower opening in the lower end of the main suction port, the front suction port and the rear suction port are located between the front rolling brush and the rear rolling brush, and under the action of negative pressure, the sewage on the ground is sucked by the front suction port and the rear suction port, collected to the main suction port, and flows into the sewage recovery pipe to the sewage recovery barrel and is temporarily stored in the sewage recovery barrel.

In one embodiment, the front suction opening faces at least a part of an outer surface of the front roll brush, and the rear suction opening faces at least a part of an outer surface of the rear roll brush.

In one embodiment, the main suction port is communicated with the lower end of the sewage recovery pipe, and a liquid recovery part is arranged below the main suction port and forms a liquid collection chamber for temporarily storing sewage flowing down from the main suction port after the suction assembly stops working.

In one embodiment, the front suction opening has a front abutment wall at an abutment intersection with the main suction opening, the rear suction opening has a rear abutment wall at an abutment intersection with the main suction opening, and the bottom of the liquid recovery portion is configured to be lower than the front abutment wall and/or the rear abutment wall.

In one embodiment, a projection of the lower opening onto the working surface of the base assembly falls within a range of a projection of the liquid recovery portion onto the working surface.

Compared with the prior art, the utility model has the following beneficial effects: the application provides a floor washing machine has the round brush that sets up around two, through setting up two booster pumps, controls the hydrojet to two round brushes respectively for the round brush liquid feeding volume is more nimble, ensures the clean efficiency of floor washing machine.

[ 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 view of a scrubber provided in accordance with 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 base assembly of the scrubber of FIG. 1.

FIG. 4 is an enlarged schematic view of the cross-sectional configuration of the scrubber of FIG. 2 at base assembly A.

[ 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.

Referring to fig. 1-2, one embodiment of the present application provides a scrubber 100 that includes a handle 12, a body 10, and a base assembly 30.

Wherein the handle 12 is used for being operated and held by a user. The handle 12 is connected to the base assembly 30 and a user grasps the handle 12 to maneuver the base assembly 30 over a floor surface to perform a cleaning task. In one implementation, the handle 12 is stable in an unused position above the base assembly 30, and the scrubber 100 may also be referred to as a floor scrubber.

Referring to fig. 4, the base assembly 30 includes a housing 37 and a drum brush provided on the housing 37, the drum brush being driven to rotate at a high speed to mop 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. 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 base assembly 30 further includes a spraying part disposed in the installation space between the front and rear roll brushes 341 and 342. Specifically, the spraying part includes a front spraying part 361 provided adjacent to the front roll brush 341, and a rear spraying part 362 provided adjacent to the rear roll brush 342. Base component 30 still is equipped with the suction mouth for the subaerial remaining sewage of suction after clean, thereby retrieve sewage, so, spray the outside water spray of portion, the sewage after clean is retrieved through the suction mouth, thereby washes, drags, the circulation process of inhaling ground.

The main body 10 includes a reservoir 50, a wastewater recovery bucket 40, and a suction assembly 20. The reservoir 50 is used to store cleaning water, communicates with the spraying section, 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 main body 10 further includes a sewage recovery pipe 13, one end of the sewage recovery pipe 13 is communicated with the sewage recovery barrel 40, the other end is communicated with the suction port of the base assembly 30, under the action of negative pressure, the sewage on the ground is sucked by the suction port, flows into the sewage recovery barrel 40 through the sewage recovery pipe 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 main body 10 and electrically connected to the motor for supplying power for operating the motor.

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

The main body 10 communicates the wastewater collection tub 40 with the suction port of the base assembly 30 through the wastewater collection pipe 13 to form a wastewater collection passage, and forms the cleaning water supply passage with the reservoir tank 50 and the base assembly 30 through a clean water supply line (not shown). Wherein sewage recovery pipe 13 and clear water supply line are flexible hose, pass adapter 15, are connected with base subassembly 30, can be along with adapter 15's rotation and the adjustment gesture of adaptability.

In other embodiments, the main body 10 may be separated from the base assembly 30 and the handle 12, and the wastewater recovery pipe 13 and the clean water supply pipe are partially disposed outside and connected between the main body 10 and the base assembly 30. The sewage recovery pipe 13 and the clear water supply pipeline are both flexible hoses, so that the main body part 10 can be kept still during the cleaning operation, and only the base assembly 30 and the handle 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 base assembly 30 further includes a booster pump for pumping the cleaning liquid in the liquid storage tank 50 and pumping the cleaning liquid to the spraying portion, wherein the cleaning water is sprayed out from the spraying portion, either on the ground or in the air, and in this embodiment, the cleaning 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 liquid adding amount of the two rolling brushes can be flexibly controlled, and the cleaning efficiency is improved. Further, the number of the booster pumps is two, and the booster pumps comprise a first booster pump 31 and a second booster pump 32, liquid inlet ends of the first booster pump 31 and the second booster pump 32 are communicated with the liquid storage tank 50, a liquid outlet end of the first booster pump 31 is communicated with the front spraying portion 361, a liquid outlet end of the second booster pump 32 is communicated with the rear spraying portion 362, the first booster pump 31 is used for sucking liquid in the liquid storage tank and spraying the pressurized liquid to the front rolling brush 341 through the front spraying portion 361, and the second booster pump 32 is used for sucking water in the liquid storage tank 50 and spraying the pressurized water to the rear rolling brush 342 through the rear spraying portion 362.

The scrubber 100 further includes a control board (not shown) for controlling the operation frequencies of the first and second booster pumps 31 and 32, respectively, to adjust the charging flow rates of the front and rear spraying portions 361 and 362, respectively, thereby controlling the charging amounts of the front and rear roll brushes 341 and 342. Specifically, the cleaning liquid may be water or a cleaning liquid. In the embodiment, the cleaning liquid is used as water for explanation, and since the water adding of the front rolling brush 341 and the rear rolling brush 342 is controlled by the first booster pump 31 and the second booster pump 32 respectively, the water adding control of the two rolling brushes is more flexible, the control is convenient and effective, and the mopping effect of the floor cleaning machine is ensured.

Referring to fig. 3, the first and second booster pumps 31 and 32 are respectively disposed at both sides of the casing 37. Specifically, the first booster pump 31 is disposed on the right side of the casing 37, the second booster pump 32 is disposed on the left side of the casing 37, that is, the left and right sides of the casing 37 are respectively provided with one booster pump, and the arrangement of the two booster pumps in the base assembly 30 is reasonable, which is beneficial to the volume uniformity and miniaturization of the base assembly 30. Fig. 3 shows a top view of the base assembly, wherein the base assembly 30 has a middle section S perpendicular to the front and rear roll brushes 341 and 342, the middle section S being perpendicular to the paper in fig. 3 and thus showing only one straight line, the middle section S is located in the middle of the casing 37 and approximately divides the casing 37 into two symmetrical halves, and the first and second booster pumps 31 and 32 are symmetrically disposed in the casing 37 about the middle section S. The positions of the first booster pump 31 and the second booster pump 32 may be interchanged, the first booster pump 31 may be communicated with the rear spray part 362, and the second booster pump 32 may be communicated with the front spray part 361, which is not limited herein. 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 pressurizing pumps 31 and 32 are both located between the front and rear roll brushes 341 and 342. Since the interval is formed between the front rolling brush 341 and the rear rolling brush 342, an existing installation space is formed, and the first and second booster pumps 31 and 32 are both disposed in the interval, which has less influence on the volume of the base assembly 30, so that the base assembly 30 is more compact and smaller. In other embodiments, the projection of the first booster pump 31 on the working surface of the pedestal assembly 30 at least partially overlaps the projection of the front and/or rear roll brushes 341, 342 on the working surface, or the projection of the second booster pump 32 on the working surface of the pedestal assembly 30 at least partially overlaps the front and/or rear roll brushes 341, 342.

In this embodiment, continuing to refer to fig. 3, the base assembly includes a three-way valve 35, the three-way valve 35 including a first port, a second port, and a third port. Wherein, the first port is through first inlet tube 391 and liquid reserve tank 50 intercommunication, and the second port is through the feed liquor end intercommunication of second inlet tube 392 and first booster pump 31, and the third port is through the feed liquor end intercommunication of third inlet tube 393 and second booster pump 32. The first booster pump 31 communicates with the front spraying part 361 through a first water outlet pipe 394, and the second booster pump 32 communicates with the rear spraying part 362 through a second water outlet pipe 395. The first water inlet pipe 391 may also be directly connected to the liquid storage tank 50, that is, as a part of the clean water supply pipeline, connected between the three-way valve 35 and the liquid storage tank 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 suction opening of the base assembly 30 includes a main suction opening 33, a front suction opening 330 and a rear suction opening 332, the main suction opening 33 being in communication with both the front suction opening 330 and the rear suction opening 332. Specifically, the main suction port 33 communicates with the effluent recovery pipe 13 through an upper opening 336 at its upper end, and the main suction port 33 communicates with both the front suction port 330 and the rear suction port 332 through a lower opening 338 at its lower end. The front suction opening 330 is disposed facing at least a part of the outer surface of the front roll brush 341, and the rear suction opening 332 is disposed facing at least a part of the outer surface of the rear roll brush 342. Wherein, the main suction opening 33, the front suction opening 330 and the rear suction opening 332 are all positioned between the front rolling brush 341 and the rear rolling brush 342, under the action of negative pressure, the sewage collected by the front rolling brush 341 and the rear rolling brush 342 is sucked by the front suction opening 330 and the rear suction opening 332, collected to the main suction opening 33, flowed into the sewage recovery barrel 40 through the sewage recovery pipe 13 and temporarily stored in the sewage recovery barrel 40. Specifically, the front suction opening 330, the main suction opening 33, and the rear suction opening 332 are arranged in this order in the front-rear direction, and the main suction opening 33 is substantially equidistant from the front suction opening 330 and the rear suction opening 332, respectively.

Therefore, the front suction port 330 is arranged at the position close to the front rolling brush 341, the rear suction port 332 is arranged at the position close 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 opening 330 is faced to a part of the outer surface of the front roll brush 341, and the rear suction opening 332 is faced to a part of the outer surface of the rear roll brush 342. This position is adjacent to the position where the roll brush is in contact with the floor where the polluted water is generated and collected, and the front suction opening 330 and the rear suction opening 332 can timely recover the polluted water.

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

In one embodiment, the rotation directions of the front and rear rolling brushes 341 and 342 are set to be opposite to each other, and the front rolling brush 341 is set to rotate counterclockwise and the rear rolling brush 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 rolling brushes 341 and 342 are driven to rotate, the linear velocity direction of the contact position of the front rolling brush 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 rolling brush 342 with the work surface is directed to the rear suction port 332 side. Therefore, along with the moving direction of the sewage driven by the rotation of the rolling brush, the sewage can move towards the corresponding suction opening direction under the inertia effect, the sewage recovery efficiency is improved, and the cleaning effect is ensured.

It can be understood that the liquid storage tank 50 can provide clean water for mopping the ground, the clean water is sprayed onto the roller brush with fluff through the built-in clean water supply pipeline, the roller brush rotates at high speed to mop the ground, then the sewage after the roller brush mops the ground enters the pipeline through the suction ports arranged in front of and behind the base assembly 30, the power is provided by the motor, negative pressure and air flow are formed in the suction ports and the sewage recovery pipe 13, the water in the suction ports and the sewage recovery pipe 13 is driven to enter the sewage recovery barrel 40, and the processes of washing, mopping and sucking are completed. However, the sewage recovery pipe 13 must have a certain length, and in the process that sewage enters the sewage recovery barrel 40 through the suction port and the sewage recovery pipe 13, it must be that sewage exists in each section of the sewage recovery pipe 13 continuously, when a user finishes one-time work, when the floor cleaning machine is closed, because the suction assembly 20 stops working, the speed of water flow in the sewage recovery pipe 13 is slower than the speed of air flow, at this time, a small amount of sewage is inevitably remained in the sewage recovery 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, and the user needs to adopt other cleaning means to clean, and the use experience is very bad.

In order to solve the above problem, in a floor washing machine according to an embodiment of the present invention, referring to fig. 4, a liquid recovery portion 39 is disposed below the main suction port 33, and the liquid recovery portion 39 forms a liquid collecting chamber for temporarily storing the sewage flowing down from the main suction port 33 after the suction assembly 20 stops operating. Because the main suction port 33 is communicated with the lower end of the sewage recovery pipe 13, when the suction assembly 20 stops working, sewage in the pipeline flows to the ground under the action of gravity, flows to the liquid recovery part 39 below and is temporarily stored in the liquid collection cavity, so that the sewage cannot flow to the ground, and the trouble of secondary cleaning is avoided.

To ensure that the waste water does not drip outside the confines of the liquid recovery portion, the liquid recovery portion 39 is positioned such that its projection onto the working surface of the base assembly 30 covers the projection of the lower opening 338 of the main suction opening 33 onto the floor. That is, the projection of the lower opening 338 of the main suction opening 33 onto the work surface of the foot assembly 30 falls within the range of the projection of the liquid recovery portion 39 onto the work surface. Further, the plenum is arranged such that the projection of the lower opening 338 of the main suction opening 33 onto the work surface of the base assembly 30 covers the projection of the lower opening 338 of the main suction opening 33 onto the work surface, which falls within the range of the projection of the plenum onto the work surface. Wherein a work surface, which is to be understood as a work plane of the base assembly 30, is typically a ground surface, substantially horizontal.

In one embodiment, referring to fig. 4, the front suction opening 330 has a front abutment wall 3301 at the abutting intersection with the main suction opening 33, the rear suction opening 332 has a rear abutment wall 3321 at the abutting intersection with the main suction opening 33, and the bottom of the liquid recovery portion 39 is configured to be lower than the front abutment wall 3301 and/or the rear abutment wall 3321. So, liquid recovery portion is sunken to being less than the adjacent lower surface of preceding suction inlet 330 and back suction inlet 332, and sewage is stored in album liquid intracavity under the action of gravity, as long as the volume in collection liquid chamber sets up rationally, can reduce sewage overflow to preceding suction inlet and back suction inlet's lower surface on, flow out to ground and cause the risk of pollution.

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 floor scrubber, comprising: the cleaning device comprises a main body part, a handle and a base assembly, wherein the handle is positioned at one end of the main body part and used for holding, the base assembly is positioned at the other end of the main body part, and the main body part comprises a liquid storage tank used for storing cleaning liquid; characterized in that, the base subassembly includes:

a housing;

a front roll brush provided at a front portion of the housing;

the rear rolling brush is arranged at the rear part of the shell;

a spraying part including a front spraying part adjacent to the front rolling brush and a rear spraying part adjacent to the rear rolling brush;

the liquid inlet ends of the first booster pump and the second booster pump are communicated with the liquid storage tank, the liquid outlet end of the first booster pump is communicated with the front spraying part, the liquid outlet end of the second booster pump is communicated with the rear spraying part, the first booster pump is used for sucking liquid in the liquid storage tank and spraying the pressurized liquid out through the front spraying part, and the second booster pump is used for sucking liquid in the liquid storage tank and spraying the pressurized liquid out through the rear spraying part;

the first booster pump and the second booster pump operate independently to adjust the liquid feeding flow of the front water spray plate and the rear water spray plate respectively.

2. The floor scrubber of claim 1, wherein the first boost pump and the second boost pump are disposed on opposite sides of the housing, respectively.

3. The floor scrubber of claim 2, wherein the base assembly has a median plane S perpendicular to the front and rear roll brushes, the first and second boost pumps being disposed substantially symmetrically within the housing relative to the median plane S.

4. The floor scrubber of claim 1, wherein the first and second boost pumps are both located between the front and rear roll brushes, or a projection of the first boost pump onto the base assembly work surface at least partially overlaps a projection of the front and/or rear roll brushes onto the work surface, or a projection of the second boost pump onto the base assembly work surface at least partially overlaps a projection of the front and/or rear roll brushes onto the work surface.

5. The floor scrubber of claim 1, wherein the base assembly further comprises a three-way valve including a first port in communication with the reservoir, a second port in communication with the inlet port of the first booster pump, and a third port in communication with the inlet port of the second booster pump.

6. The floor washing machine of claim 1, wherein the main body further comprises a waste water recovery bucket, a waste water recovery pipe in communication with the waste water recovery bucket, and a suction assembly for creating negative pressure;

the base component further comprises a suction port, the suction port comprises a main suction port, a front suction port and a rear suction port, the front suction port faces the front rolling brush, the rear suction port faces the rear rolling brush, the main suction port is communicated with the front suction port and the rear suction port, the main suction port is communicated with the sewage recovery pipe through an upper opening in the upper end of the main suction port, the main suction port is communicated with the front suction port and the rear suction port through a lower opening in the lower end of the main suction port, the front suction port and the rear suction port are located between the front rolling brush and the rear rolling brush, and under the action of negative pressure, the sewage on the ground is sucked by the front suction port and the rear suction port, collected to the main suction port, and flows into the sewage recovery pipe to the sewage recovery barrel and is temporarily stored in the sewage recovery barrel.

7. The floor washing machine according to claim 6, wherein said front suction opening faces at least part of an outer surface of said front rolling brush, and said rear suction opening faces at least part of an outer surface of said rear rolling brush.

8. The floor washing machine according to claim 6, wherein the main suction port communicates with a lower end of the sewage recovery pipe, and a liquid recovery portion is provided below the main suction port, the liquid recovery portion forming a liquid collection chamber for temporarily storing the sewage flowing down from the main suction port after the suction assembly stops operating.

9. The floor washing machine of claim 8, wherein a forward abutment wall is provided at an abutment intersection of the forward suction opening and the main suction opening, and a rearward abutment wall is provided at an abutment intersection of the rearward suction opening and the main suction opening, and wherein a bottom of the fluid recovery section is configured to be lower than the forward abutment wall and/or the rearward abutment wall.

10. The floor scrubber of claim 8, wherein a projection of the lower opening onto a work surface of the base assembly falls within a range of a projection of the liquid recovery portion onto the work surface.

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