CN210300867U

CN210300867U - Floor cleaning machine

Info

Publication number: CN210300867U
Application number: CN201920911341.2U
Authority: CN
Inventors: 郭建刚; 刘德军; 申清华
Original assignee: Guangdong Xinbao Electrical Appliances Holdings Co Ltd
Current assignee: Guangdong Xinbao Electrical Appliances Holdings Co Ltd
Priority date: 2019-06-17
Filing date: 2019-06-17
Publication date: 2020-04-14
Anticipated expiration: 2029-06-17

Abstract

An embodiment of the utility model provides a floor cleaning machine, it includes that the ground drags subassembly and handle components, the ground drags the subassembly to include that the ground drags the lid and the ground drags the seat, and locates the ground drag the lid with the interior intracavity scrub roller that the ground drags the seat to form, be used for moist the water spray subassembly of scrub roller and be used for the drive scrub roller pivoted drive assembly, its characterized in that, floor cleaning machine are still including the crowded water roller that is used for extrudeing scrub roller sewage, crowded water roller rotates to be located the top of scrub roller, and with scrub roller interference fit, with drive when the scrub roller rotates crowded water roller rotates and forms rolling friction between the two. The utility model discloses floor cleaning machine's cleaning roller adopts the crowded water of rolling friction crowded water mode with crowded water roller, and crowded water is efficient, can reduce the cleaning roller wearing and tearing moreover, prolongs the life of cleaning roller.

Description

Floor cleaning machine

Technical Field

The utility model belongs to the technical field of little household electrical appliances, especially, relate to a floor cleaning machine.

Background

When the floor cleaning machine on the current market collects sewage, the abrasion to the cleaning roller is serious. For example, chinese utility model publication No. CN103284652A, the technical solution thereof is mainly that the wiper device is at least partially submerged in the scrub roller, and when the scrub roller rotates, the wiper device presses the surface of the scrub roller to squeeze out the sewage. The wiper device easily damages the cleaning roller and shortens the service life of the cleaning roller

SUMMERY OF THE UTILITY MODEL

In view of the above problems in the prior art, an object of the embodiments of the present invention is to provide a floor cleaning machine which can improve the life of a cleaning roller.

The embodiment of the utility model provides a technical scheme who adopts is, a floor cleaning machine, including mop subassembly and handle components, the mop subassembly includes mop lid and mop seat, and locates the mop lid with the scrub roller in the inner chamber that the seat formed, be used for moist the water spray subassembly of scrub roller and be used for the drive scrub roller pivoted drive assembly, its characterized in that, floor cleaning machine are still including the crowded water roller that is used for extrudeing scrub roller sewage, crowded water roller rotates to be located the top of scrub roller, and with scrub roller interference fit, with drive when the scrub roller rotates crowded water roller rotates and forms rolling friction between the two.

The embodiment of the utility model provides an in, crowded water roller with cleaning roller pressure fit, crowded water roller can rotate under the drive of cleaning roller, improve crowded water efficiency, because crowded water roller with be rolling friction between the cleaning roller, the cleaning roller damage is little, long service life.

Optionally, two ends of the wringing roller are respectively arranged on the mop base through bearings. The embodiment of the utility model provides an in, through the both ends of wringing roller set up the bearing respectively, realize the rollable of wringing roller, simple structure easily realizes.

Optionally, the driving assembly includes a driving motor and a speed reducer, and the speed reducer includes:

a motor pinion connected to an output shaft of the driving motor;

a bull gear engaged with the motor pinion;

the synchronous belt small wheel is coaxially and fixedly connected with the large gear through a connecting shaft;

the synchronous belt wheel is in transmission connection with the small synchronous belt wheel through a synchronous belt;

and the cleaning roller driving wheel is synchronously and fixedly connected with the synchronous belt pulley through a speed reduction output shaft, and the cleaning roller driving wheel is arranged at the output end of the speed reduction output shaft.

The embodiment of the utility model provides an in, drive assembly simple structure can provide suitable rotational speed output.

Optionally, a water scraper is arranged at the bottom of the mop base, and the water scraper is located on the opposite side of the cleaning roller in the advancing direction. The water scraper can scrape the water vapor on the ground completely,

optionally, the water spray assembly includes:

a clear water tank;

the water sprayer is arranged along the axial direction of the cleaning roller so as to uniformly spray clean water onto the cleaning roller;

and the inlet of the water spraying pump is connected with the bottom water outlet of the clean water tank, and the outlet of the water spraying pump is connected with the water sprayer.

The embodiment of the utility model provides an in, adopt the clear water of water jet pump in with the clear water tank to spray on the cleaning roller, spray more evenly, make the cleaning roller keep appropriate degree of wetness.

Optionally, a water filling port is arranged at the top of the clean water tank, a water tank hole corresponding to the water filling port and exposing the water filling port is arranged on the mop cover, and a clean water tank cover matched with the water tank hole and covering the water filling port is arranged on the water tank hole. The clear water can be supplemented without disassembling the clear water tank, and the use is convenient.

Optionally, the floor cleaning machine further comprises a mop placing seat, and the mop placing seat is provided with a first placing area for placing the mop assembly and a second placing area for placing the cleaning roller detached from the inside of the mop assembly. The mop placing seat is convenient for storing the floor cleaning machine in a non-use state.

Optionally, the floor cleaning machine further comprises a sewage collecting assembly, the sewage collecting assembly comprising:

a sewage tank for containing sewage; the side surface of the mop cover and/or the mop seat is provided with an assembling port, and the sewage tank is assembled in the inner cavity or retreats from the inner cavity through the assembling port in a push-pull mode;

and one end of the sewage collector is a collecting end, the other end of the sewage collector is a leading-out end, the collecting end is provided with an elastic contact part which is contacted with the surface of the cleaning roller so as to collect the sewage extruded by the cleaning roller, and the leading-out end is connected with the sewage tank so as to lead out the collected sewage to the sewage tank.

In the embodiment of the utility model, the elastic contact part of the collecting end of the sewage collector can better collect the sewage extruded by the wringing roller; in addition, the sewage tank passes through the assembly hole with the push-pull cooperation of mop shell, easily the dismantlement and the installation of sewage tank are convenient for empting of sewage.

Optionally, a sewage port is formed in the top surface of the sewage tank, and a valve is arranged on the sewage port; when the sewage tank is arranged in the inner cavity, the discharge end of the sewage collector corresponds to the sewage port, and the valve opens the sewage port so that sewage enters the sewage tank from the discharge end; when the sewage tank is taken out, the valve closes the sewage port.

The embodiment of the utility model provides an in, the sewage mouth is equipped with the collection that the top surface utilized sewage, and the shape of the derivation end of sewage collector and the connected mode of derivation end and sewage mouth require lowly, can hold more sewage.

Optionally, the valve include with the fixed valve post in bottom of sewage case, cover are located valve cap on the valve post and be used for making the valve cap is to keeping away from the spring that the bottom of sewage case removed, the valve cap has the sealing that radial protrusion formed, the sealing is used for sealing the sewage mouth, the top of sealing has can stretch out the splenium of pressing of sewage mouth, press the splenium to have the spigot surface.

The embodiment of the utility model provides an in, the setting of valve need not too much operation and can realize working when the sewage case is packed into the mop, the valve is opened, when the sewage case takes out the valve is closed.

The embodiment of the utility model provides an among the floor cleaning machine, set up and to extrude the cleaning roller by pivoted wringing roller, work as wringing roller with during cleaning roller force fit, wringing roller can rotate under the drive of cleaning roller to extrude the sewage in the cleaning roller, thereby improved wringing efficiency. The wringing roller and the cleaning roller are in rolling friction, so that the cleaning roller is small in damage and long in service life.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention.

The summary of various implementations or examples of the technology described in this disclosure is not a comprehensive disclosure of the full scope or all features of the disclosed technology.

Drawings

In the drawings, which are not necessarily drawn to scale, like reference numerals may describe similar components in different views. Like reference numerals having letter suffixes or different letter suffixes may represent different instances of similar components. The drawings illustrate various embodiments, by way of example and not by way of limitation, and together with the description and claims, serve to explain the embodiments of the invention. The same reference numbers will be used throughout the drawings to refer to the same or like parts, where appropriate. Such embodiments are illustrative, and are not intended to be exhaustive or exclusive embodiments of the present apparatus or method.

Fig. 1 is a schematic view of the overall structure of the floor cleaning machine according to the embodiment of the present invention.

Fig. 2 is a top view of the floor cleaning machine according to the embodiment of the present invention.

FIG. 3 is a sectional view taken along line A-A of FIG. 2.

FIG. 4 is a sectional view taken along line B-B of FIG. 2.

Fig. 5 is an exploded view of a mop assembly of the floor cleaning machine according to an embodiment of the present invention.

Fig. 6 is a layout view of the floor cleaning machine according to the embodiment of the present invention.

Fig. 7 is an exploded view of a driving assembly of the floor cleaning machine according to the embodiment of the present invention.

Reference numerals:

10-mop shell; 11-mop cover; 12-mop base; 1-a cleaning roller; 2-a wringing roller; 3-a handle assembly; 5-a clear water tank; 6-a water sprayer; 7-a water spray pump; 8-water injection port; 9-a roller; 110-tank hole; 51-clean water tank cover; 13-a sewage tank; 14-a sewage collector; 132-a sewage port; 133-a valve; 134-a spool; 135-valve cap; 136-a spring; 15-mop placing seat; 16-water scraping; 17-a cleaning roller fixing frame; 18-a battery pack; 19-DC charging socket; 20-a sewage tank marble; 21-switch PCB protection cover; 22-switch PCB; 23-switch key; 30-a drive assembly; 31-a drive motor; 32-a reducer; 321-motor pinion; 311-an output shaft; 322-bull gear; 323-synchronous belt small wheel; 324-a connecting shaft; 325-synchronous pulley; 326-synchronous belt; 327-cleaning roller drive wheel; 328-a reduction output shaft; 329-dental box shell.

Detailed Description

In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined below to clearly and completely describe the technical solution of the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. All other embodiments, which can be obtained by a person skilled in the art without any inventive work based on the described embodiments of the present invention, belong to the protection scope of the present invention.

Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by those of ordinary skill in the art to which the invention belongs. The use of "first," "second," and similar terms in the description herein do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.

To maintain the following description of the embodiments of the present invention clear and concise, detailed descriptions of well-known functions and components may be omitted.

Referring to fig. 1 to 7, a floor cleaning machine, it includes mop subassembly and handle assembly, and the mop subassembly includes mop lid 11 and mop seat 12, and locate mop lid 11 and mop seat 12 and form the interior intracavity scrub roller 1, be used for moist scrub roller 1's water spray subassembly and be used for extrudeing scrub roller 1 sewage squeeze roller 2, squeeze roller 2 rotates the top of scrub roller to with scrub roller 1 interference fit, in order to drive squeeze roller 2 and rotate and form rolling friction between the two when scrub roller rotates.

The embodiment of the utility model provides an among the floor cleaning machine, set up and to extrude 2 extrusion cleaning rollers 1 of wringing roller that can rotate, when wringing roller 2 and cleaning rollers 1 pressure fit, wringing roller 2 can rotate under cleaning rollers 1's drive to extrude the sewage in the cleaning rollers 1, improved wringing efficiency. The wringing roller 2 and the cleaning roller 1 are in rolling friction, so that the friction resistance is small, the power consumption is low, the abrasion of the cleaning roller 1 is small, and the service life of the cleaning roller is prolonged.

The mop cover 11 and the mop base 12 form a mop housing 10, and the mop housing 10 is used for assembling various components. The inner cavity of the mop shell 10 can also be provided with a sewage collecting component for collecting sewage extruded from the cleaning roller 1 and a driving component 30 for driving the cleaning roller 1 to rotate.

Referring to fig. 1, in the floor cleaning machine according to the embodiment of the present invention, a handle assembly 3 is connected to a mop housing 10. The bottom of the mop shell 10 can be provided with a roller 9, which is convenient for pushing the floor cleaning machine to move.

In the embodiment of the present invention, the driving assembly 30 includes a driving motor 31 and a speed reducer 32, and the speed reducer 32 includes a gearbox housing 329 and a motor pinion 321, a gear wheel 322, a small synchronous belt wheel 323, a synchronous belt 326 and a cleaning roller driving wheel 327 assembled in the gearbox housing 329. The motor pinion 321 is connected with the output shaft 311 of the driving motor 31, the large gear 322 is meshed with the motor pinion 321, the small synchronous belt wheel 323 is coaxially and fixedly connected with the large gear 322 through a connecting shaft 324, the small synchronous belt wheel 325 is in transmission connection with the small synchronous belt wheel 323 through a synchronous belt 326, the cleaning roller driving wheel 327 is synchronously and fixedly connected with the synchronous belt wheel 325 through a speed reduction output shaft 328, and the cleaning roller driving wheel 327 is arranged at the output end of the speed reduction output shaft 328.

The embodiment of the present invention provides a cleaning roller 1, wherein the driving motor 31 of the cleaning roller 1 drives the speed reducer 32 to reduce the speed, and provides a suitable rotation speed (for example, 500RPM) for the cleaning roller 1, and the motor pinion 321 is connected to the output shaft 311 of the driving motor 31 and engaged with the gear wheel 322. The small synchronous belt wheel 323 is coaxial with the large gear 322 and fixedly connected with the large gear 322, one end of the synchronous belt 326 is connected with the small synchronous belt wheel 323, the other end of the synchronous belt 326 is connected with the synchronous belt wheel 325, the deceleration output shaft 328 is coaxial with the synchronous belt wheel 325, one end of the deceleration output shaft 328 is connected with the synchronous belt wheel 325, the other end of the deceleration output shaft 328 is connected with the cleaning roller driving wheel 327, and the cleaning roller driving wheel is mounted on the gearbox shell 329 through a ball. The drive motor 31 is fixedly connected to the gear box housing 329. The drive assembly 30 is simple in construction and is capable of providing a suitable rotational speed output.

The embodiment of the utility model provides an in, the water spray subassembly includes clear water tank 5, sprinkler 6 and water jet pump 7, and sprinkler 6 sets up along 1 axial of cleaning roller to spout the clear water on uniformly to cleaning roller 1. The inlet of the water spray pump 7 is connected with the bottom water outlet of the clean water tank 5, and the outlet of the water spray pump 7 is connected with the water sprayer 6. The water spray pump 7 conveys the clean water in the clean water tank 5 to the water sprayer 6, and the clean water is sprayed on the cleaning roller 1 by the water sprayer 6. The sprinkler 6 has a water hole. The embodiment of the utility model provides an in, adopt the clear water of water jet pump 7 in with clear water tank 5 to spray on cleaning roller 1, spray more evenly, make cleaning roller 1 keep appropriate degree of wetness.

In some embodiments, the top of the clean water tank 5 is provided with a water filling port 8, the mop cover 11 is provided with a water tank hole 110 corresponding to the water filling port 8 so that the water filling port 8 is exposed, and the water tank hole 110 is provided with the clean water tank cover 5 which is matched with the water tank hole and covers the water filling port 8. In the embodiment of the utility model, the clear water tank 5 is unnecessary to be dismantled and clear water can be supplemented, convenient to use.

In some embodiments, the clean water tank cover 5 is also connected with the mop cover 11. The embodiment of the utility model provides an in, clear water tank lid 5 is connected with mop lid 11, when clear water tank lid 5 was opened, avoids losing. In an exemplary embodiment, the clean water tank cover 5 may include a closing part capable of closing the water filling port 8 and a connecting part connected to the mop cover 11. The connecting portion may be a sheet of plastic, rubber or the like.

In some embodiments, the two ends of the wringing roller 2 are respectively arranged on the mop base 12 through bearings. The embodiment of the utility model provides an in, but realize wringing roller 2 and cleaning roller 1's rolling contact, simple structure, easily realization through setting up the bearing respectively at wringing roller 2's both ends.

In some embodiments, the sewage collecting assembly includes a sewage tank 13 and a sewage collector 14, the sewage tank 13 is used for containing sewage; the sewage collector 14 has a collecting end at one end and a discharging end at the other end, the collecting end is in contact with the surface of the cleaning roller 1 to collect the sewage extruded by the cleaning roller 1, and the discharging end is connected with the sewage tank 13 to discharge the collected sewage to the sewage tank 13. The collecting end may have an elastic contact portion which contacts the surface of the cleaning roller 1 to collect the contaminated water. The embodiment of the utility model provides an in, the collection end of sewage collector 14 sets up the elastic contact portion that contacts with the surface of cleaning roller 1, can collect the sewage that wringing roller 2 extruded better. The elastic contact part can be made of rubber, silica gel and the like.

In the exemplary embodiment, the top surface of the waste water tank 13 has a waste water port 132, a valve 133 is provided on the waste water port 132, the discharge end of the waste water collector 14 corresponds to the waste water port when the waste water tank 13 is loaded into the inner chamber, and the valve 133 opens the waste water port 132 to allow waste water to enter the waste water tank 13 from the discharge end, and the valve 133 closes the waste water port 132 when the waste water tank 13 is taken out. The embodiment of the utility model provides an in, sewage mouth 132 locates the top surface and utilizes the collection of sewage, requires lowly to the shape of the derivation end of sewage collector 14 and the connected mode of derivation end and sewage mouth 132, can hold more sewage. For example, the outlet end of the sewage collector is located above the sewage port, so that the sewage can be guided into the sewage tank 13 through the sewage port 132.

In some embodiments, the valve 133 includes a stem 134 fixed to the bottom of the waste water tank 13, a bonnet 135 fitted over the stem 134, and a spring 136 for moving the bonnet 135 away from the bottom of the waste water tank 13, the bonnet 135 has a radially protruding closed portion for closing the waste water port 132, a top portion of the closed portion has a pressing portion capable of protruding out of the waste water port 132, and the pressing portion has a guide surface.

The embodiment of the utility model provides an in, the setting of valve 133 need not too much operation and can realize when sewage case 13 is packed into the mop, and valve 133 is opened, and valve 133 is closed when sewage case 13 takes out.

In the embodiment of the utility model, have the assembly mouth in the side of mop shell 10, sewage case 13 is through assembly mouth and the push-pull cooperation of mop shell 10. The waste water tank 13 is assembled in the inner cavity through the assembling port in a push-pull mode or withdrawn from the inner cavity. The mounting opening may be formed at a side of the mop cover 11, or the mounting opening may be formed at a side of the mop base 12, or the mounting opening may be formed at sides of the mop cover 11 and the mop base 12. The embodiment of the utility model provides an in, sewage case 13 is through assembly mouth and the push-pull cooperation of mop shell 10, easily sewage case 13's dismantlement and installation. When assembling, the waste water tank 13 is inserted into the mop housing 10 from the assembling opening, and the mop housing 10 acts on the pressing portion at the top of the valve cap 135 of the valve 133 to press the valve cap 135 and open the waste water opening 132. The pressing part is provided with a guide surface to avoid obstructing the insertion of the sewage tank 13 into the mop shell 10.

In the exemplary embodiment, the floor washing machine further comprises a mop receptacle 15, the mop receptacle 15 having a first placement area adapted to the mop housing 10 and a second placement area adapted to the scrub roller 1. When the floor cleaning machine is in a non-use state, the cleaning roller 1 is detached from the mop assembly and placed in the second placing area, the mop assembly is placed in the first placing area, and the floor cleaning machine is convenient to store when the floor cleaning machine is in the non-use state due to the arrangement of the mop placing seat 15.

In the embodiment of the present invention, the mop base 12 is further provided with a water scraper 16, and the water scraper 16 is disposed on one side of the cleaning roller 1 opposite to the advancing direction. The water scraper 16 can scrape the water left by the cleaning roller 1 when cleaning the floor.

The embodiment of the utility model provides an in, floor cleaning machine still includes cleaning roller mount 17, and cleaning roller mount 17 is used for dragging shell 10 relatively fixed with cleaning roller 1 with the ground. A battery pack 18 may also be provided within the mop housing 10, the battery pack 18 being used to provide power to the floor cleaning machine. The mop housing 10 is provided with a DC charging socket 19 for charging the battery pack 18.

The embodiment of the utility model provides an in, can also be provided with sewage case marble 20 on the mop shell 10, switch PCB safety cover 21, switch PCB22 and switch button 23 etc.. The sump marble 20 is used to position the sump 13.

The utility model discloses a floor cleaning machine's use as follows:

the battery pack 18 is supplied with power, and the driving motor 31 drives the decelerator 32 to supply a proper rotation speed (e.g., 500RPM) to the cleaning roller 1. The inlet of the water spray pump 7 is connected to the bottom of the clean water tank 5 through a silica gel water pipe, the outlet of the water spray pump 7 is connected to the water sprayer 6 through a silica gel water pipe, and the water sprayer 6 is provided with a plurality of water spray holes. When the power switch is pressed, the water spraying pump 7 starts to work, and the clean water in the clean water tank 5 is pumped into the water sprayer 6 and uniformly wets the cleaning roller 1.

The wet cleaning roller 1 is driven by the driving motor 31 to rotate, so that the floor is scrubbed in a rolling manner, dust and dirt on the floor are separated from the floor under scrubbing of the wet cleaning roller 1 and cover the cleaning roller 1, and clean water becomes sewage after being stained with the dust.

The wringing roller 2 matched with the cleaning roller 1 by proper interference can rotate freely, so that when the cleaning roller 1 rotates, the wringing roller 2 can be driven to rotate in the opposite direction, meanwhile, sewage is squeezed out, is collected by the sewage collector 14, and flows into the sewage tank 13 along the sewage collector 14 under the action of gravity.

The inlet of the waste water tank 13 is provided with a valve 133. when the waste water tank 13 is loaded into the inner cavity of the mop assembly, the valve 133 is opened, and when the waste water tank 13 is taken out, the valve 133 is closed to prevent the waste water from flowing out.

The above description is intended to be illustrative and not restrictive. For example, the above-described examples (or one or more versions thereof) may be used in combination with each other, and it is contemplated that the embodiments may be combined with each other in various combinations or permutations. The scope of the invention should be determined with reference to the appended claims, along with the full scope of equivalents to which such claims are entitled.

Claims

1. The utility model provides a floor cleaning machine, includes that the ground drags subassembly and handle components, the ground drags the subassembly to include that the ground drags the lid and the ground drags the seat, and locates the ground drag the lid with the scrub roller in the inner chamber that the ground drags the seat to form, be used for moistening the water spray subassembly of scrub roller and be used for the drive scrub roller pivoted drive assembly, a serial communication port, floor cleaning machine is still including the crowded water roller that is used for extrudeing scrub roller sewage, crowded water roller rotates to be located the top of scrub roller, and with scrub roller interference fit, with drive when the scrub roller rotates crowded water roller rotates and forms rolling friction between the two.

2. The floor washing machine according to claim 1, wherein both ends of the cleaning roller are respectively provided on the mop base through bearings.

3. The floor cleaning machine of claim 1, wherein the drive assembly includes a drive motor and a speed reducer, the speed reducer including:

a motor pinion connected to an output shaft of the driving motor;

a bull gear engaged with the motor pinion;

and the cleaning roller driving wheel is coaxially and fixedly connected with the synchronous belt wheel through a speed reduction output shaft, and the cleaning roller driving wheel is arranged at the output end of the speed reduction output shaft.

4. The floor washing machine according to claim 1, characterized in that the bottom of the mop base is provided with a water scraper which is located on the opposite side of the travel direction of the cleaning roller.

5. The floor cleaning machine of claim 1, wherein the water spray assembly comprises:

a clear water tank;

6. The floor cleaning machine according to claim 5, wherein a water filling port is provided at the top of the clean water tank, a water tank hole corresponding to the water filling port is provided on the mop cover so that the water filling port is exposed, and a clean water tank cover matched with the water tank hole and covering the water filling port is provided on the water tank hole.

7. The floor scrubbing machine of claim 1, further comprising a floor mop holder having a first receiving area for receiving said floor mop assembly and a second receiving area for receiving said scrub roller removed from within said floor mop assembly.

8. The floor cleaning machine of claim 1, further comprising a waste water collection assembly, the waste water collection assembly comprising:

9. The floor washing machine of claim 8, wherein the top surface of the waste tank has a waste port with a valve; when the sewage tank is arranged in the inner cavity, the discharge end of the sewage collector corresponds to the sewage port, and the valve opens the sewage port so that sewage enters the sewage tank from the discharge end; when the sewage tank is taken out, the valve closes the sewage port.

10. The floor washing machine as claimed in claim 9, wherein the valve includes a valve post fixed to the bottom of the waste water tank, a valve cap fitted over the valve post, and a spring for moving the valve cap away from the bottom of the waste water tank, the valve cap has a closing portion formed by radially protruding for closing the waste water port, a top portion of the closing portion has a pressing portion capable of protruding out of the waste water port, and the pressing portion has a guide surface.