CN115581409A

CN115581409A - Wet surface cleaning machine

Info

Publication number: CN115581409A
Application number: CN202211163344.5A
Authority: CN
Inventors: 请求不公布姓名
Original assignee: Suzhou EUP Electric Co Ltd
Current assignee: Suzhou EUP Electric Co Ltd
Priority date: 2022-09-23
Filing date: 2022-09-23
Publication date: 2023-01-10

Abstract

The present application relates to a wet surface cleaning machine comprising a suction opening facing a surface to be cleaned, a detachable dirty liquid recovery vessel and a vacuum motor, a vacuum path being established on the wet surface cleaning machine from the suction opening to the dirty liquid recovery vessel to the vacuum motor, the dirty liquid recovery vessel having a bottom end and a top end opposite the bottom end and comprising a bottom wall at the bottom end, a side wall extending from the bottom wall towards the top end and a first tube, the dirty liquid recovery vessel having a recovery chamber therein, at least part of a dirty liquid inlet line leading to the recovery chamber being formed in the first tube and at least part of the first tube extending into the recovery chamber; the dirty liquid recovery tank includes a second pipe body in which at least a part of a dirty liquid outlet line leading from the recovery chamber to the outside of the recovery chamber is formed, the second pipe body being located outside the recovery chamber and extending from the bottom wall toward the tip end portion.

Description

Wet surface cleaning machine

Technical Field

The present application relates to wet surface cleaning machines, and more particularly to wet surface cleaning machines capable of wet wiping a surface to be cleaned with a cleaning liquid and recovering the used cleaning liquid.

Background

The wet surface cleaning machine mainly comprises a brush roller, a fluid supply system and a dirty liquid recovery unit. When the machine is in operation, the fluid supply system provides cleaning liquid to the brush roller, the brush roller utilizes the cleaning liquid to perform cleaning work on the surface to be cleaned, and the dirty liquid recovery unit recovers and stores dirty liquid on the surface to be cleaned to a dirty liquid recovery container of the dirty liquid recovery unit. In order to prevent foul solution stored in the foul solution recovery container from generating peculiar smell and breeding mold, the existing wet surface cleaning machine needs to disassemble the foul solution recovery container from the machine to manually empty the foul solution after the work is completed, and the use convenience of the machine is influenced.

Disclosure of Invention

In order to solve the problems existing in the prior art, the application aims to provide a wet surface cleaning machine which can realize the dirty liquid transfer of a dirty liquid recovery container without disassembling the dirty liquid recovery container.

In order to achieve the above purpose, the present application provides the following technical solutions: a wet surface cleaning machine comprising a suction opening to a surface to be cleaned, a removable dirty liquid recovery tank and a vacuum motor, a vacuum path being established in the machine from the suction opening to the dirty liquid recovery tank and then to the vacuum motor, the dirty liquid recovery tank having a base end and a top end opposite the base end and comprising a base wall at the base end, a side wall extending from the base wall towards the top end and a first tubular body, the dirty liquid recovery tank having a recovery chamber therein, the first tubular body having at least part of a dirty liquid inlet line leading to the recovery chamber formed therein and at least part of the first tubular body extending into the recovery chamber; the dirty liquid recovery tank includes a second pipe body forming at least a part of a dirty liquid outlet line leading from the recovery chamber to the outside of the recovery chamber, the second pipe body being located outside the recovery chamber and extending from the bottom wall toward the top end portion.

In one possible implementation, the second tubular body has a tubular port at the top end portion.

In one possible implementation, the wet surface cleaning machine is provided with a dirty liquid outlet, the dirty liquid outlet is in fluid communication with the pipe port through a dirty liquid pipe, and the dirty liquid pipe forms a part of the dirty liquid outlet.

When the dirty liquid recovery container is specifically arranged, the dirty liquid recovery container comprises a detachable cover assembly positioned at the top end part, and the pipe port is positioned on the cover assembly.

In particular arrangements of the lid assembly, the lid assembly includes a lid body for sealing engagement with the side wall and a filter removably supported on the lid body, the filter defining at least a portion of an air exhaust passage leading from the recovery chamber to the vacuum motor.

In a possible implementation manner, a flow regulating mechanism for regulating the flow of the fluid flowing through the dirty liquid output pipeline is arranged on the wet type surface cleaning machine; when the vacuum motor is started to work, the flow regulating mechanism regulates the flow of the fluid flowing through the dirty liquid input pipeline to be 0.

In a possible implementation, at least part of the second tubular body is located outside the lateral wall and is formed as a single piece with the lateral wall.

In one possible implementation, the wet surface cleaning machine comprises a base and an upright body with a lower portion rotatably connected to the base, the upright body is provided with a handle portion at an upper portion, the dirty liquid recovery container is detachably arranged on the upright body, and the vacuum motor is arranged on the upright body.

In one possible implementation, the wet surface cleaning machine is provided with a brush roll, a fluid supply container and a fluid dispenser, the brush roll and the fluid dispenser being disposed on the base, the fluid dispenser being configured to supply fluid from the fluid supply container to the brush roll, the fluid supply container being disposed on the upright body.

In one possible implementation, the wet surface cleaning machine includes a rechargeable battery pack, the vacuum motor is a dc motor and is powered by the battery pack for operation.

Compared with the prior art, the beneficial effect of this application lies in, among the surface cleaning machine of this disclosure, through setting up the foul solution output pipeline who contains the second body for foul solution in the foul solution recovery container can transfer the outside to foul solution recovery container via the second body, thereby makes operating personnel need not to dismantle foul solution recovery container, can realize shifting the indoor foul solution of recovery, and it has improved user's use and has experienced.

Drawings

FIG. 1 is a schematic diagram of a wet surface cleaning machine according to an embodiment of the present disclosure;

FIG. 2 is a schematic structural diagram of a cleaning base according to an embodiment of the present disclosure;

FIG. 3 is a schematic longitudinal cross-sectional view of the cleaning base of FIG. 3;

FIG. 4 is a schematic longitudinal cross-sectional view of an upright fuselage provided by an embodiment of the present application;

FIG. 5 is a schematic view of a fluid delivery system provided in an embodiment of the present application;

FIG. 6 is a schematic diagram of a fluid supply path according to an embodiment of the present disclosure;

FIG. 7 is a schematic view of a dirty liquid recovery system according to an embodiment of the present disclosure;

FIG. 8 is a schematic diagram of a vacuum path provided by an embodiment of the present application;

FIG. 9 is a schematic structural diagram of a dirty liquid recycling container according to an embodiment of the present disclosure;

FIG. 10 is a schematic view of the dirty liquid recovery tank of FIG. 9 partially cut away along the axis of the first pipe, with the air filter of the cover assembly removed;

FIG. 11 is a schematic view of the dirty liquid recovery tank taken along the axis of the second pipe, and the second pipe is connected to a dirty liquid pipe at a downstream position; wherein the air filter in the cap assembly is removed;

FIG. 12 is a schematic diagram of the connection of various components of a surface cleaning machine according to an embodiment of the present disclosure.

Wherein: 100. a surface cleaning machine;

1. cleaning the base; 2. a vertical machine body; 11. a base body; 12. an upper cover; 13. a roll cavity; 14. a brush roll; 15. a brush roll motor; 111. a front portion; 112. a rear portion; 113. a first side portion; 114. a second side portion; 16. a moving wheel; 131. a suction port;

17. a first wiper strip; 18. a second wiper strip; 19. a fluid dispenser; 110. a third scraping bar;

21. a body portion; 22. a handle portion; 221. a handle; 222. an operation panel; 223. a rod body; 211. an upright housing; 212. a lower connecting end; 23. a display; 24. a battery pack; 25. a fluid supply container;

30. a fluid supply path; 31. a fluid channel; 32. a pump;

26. a dirty liquid recovery container; 27. A vacuum motor; 261. a recovery chamber; 262. a liquid level detection mechanism; 40. a vacuum path; 41. a dirty liquid input pipeline;

2601. a bottom end portion; 2602. a tip portion; 263. a bottom wall; 264. a side wall; 265. a cap assembly; 2651. a cover body; 2652. a filter; 266. a first pipe body; 267. a second tube body; 2671. a tube port; 28. a controller;

2112. a dirty liquid output interface; 2116. a charging interface;

291. a dirty liquid output pipeline; 292. a flow rate adjusting mechanism;

293. a charging management circuit; 2912. a dirty liquid pipeline.

Detailed Description

In order to explain the technical content, structural features, attained objects and effects of the present application in detail, the technical solutions in the embodiments of the present application will be described below with reference to the accompanying drawings.

Fig. 1 shows an exemplary wet surface cleaning machine 100 comprising a cleaning base 1 which is movable over a surface to be cleaned and an upright body 2 which is rotatably connected at its lower part to the cleaning base 1. The wet surface cleaning machine 100 also establishes a fluid delivery system between the cleaning base 1 and the upright body 2 capable of delivering cleaning liquid at the cleaning base 1 and a dirty liquid recovery system for recovering dirty liquid from the surface to be cleaned.

The directions herein are relative to a perspective view when an operator stands on the rear side of the wet surface cleaning machine 100 and pushes the wet surface cleaning machine 100 forward.

As shown in fig. 2 to 3, the cleaning base 1 includes a base body 11 forming a main skeleton portion of the cleaning base 1, an upper cover 12, a roller chamber 13 located at a front portion of the cleaning base 1, a brush roller 14 disposed in the roller chamber 13, and a brush roller motor 15 driving the brush roller 14 to rotate. The base 11 has a front portion 111, a rear portion 112, and a first side portion 113 and a second side portion 114 disposed opposite to each other. A pair of moving wheels 16 is also rotatably connected to the rear portion 112 of the housing 11, the moving wheels 16 being used to effect movement of the cleaning base 1 over the surface to be cleaned. The upper cover 12 is detachably coupled to the front portion 111 of the housing 11. The front portion 111, the first side portion 113, the second side portion 114 and the cover 12 together define a roller chamber 13, the lower portion of the roller chamber 13 having a suction opening 131 facing the surface to be cleaned. The brush roller 14 is covered with fiber bristles made of a material wettable by liquid, and the lower portion of the brush roller 14 protrudes from the suction port 131 so that the fiber bristles contact the surface to be cleaned.

A first scraping bar 17 is fixedly connected to the bottom of the housing 11, the first scraping bar 17 defining a rear edge of the suction port 131, the first scraping bar 17 being configured to be inclined forwardly and downwardly such that a front end thereof contacts the ground, the first scraping bar 17 being generally a flexible scraping bar. The front part 111 of the seat body 11 is also provided with a second scraping strip 18 and a fluid distributor 19; the second wiper strip 18 is located upstream of the fluid distributor 19 with respect to the direction of rotation of the brush roller 14; a second scraper bar 18 extends into the roller chamber 13 and contacts the brush roller 14, the second scraper bar 18 being used to scrape off dirt carried by the brush roller 14 during rotation of the brush roller 14, the second scraper bar 18 being typically a rigid scraper bar; the fluid distributor 19 has a plurality of openings that may extend in a direction parallel to the axis of the brush roll 14, the fluid distributor 19 being capable of outputting cleaning liquid to the brush roll 14. A third scraping strip 110 is also arranged on the inner wall surface of the upper cover 12; the third wiper strip 110 is located downstream of the fluid distributor 19 with respect to the direction of rotation of the brush roller 14; the third wiper strip 110 also projects into the roller chamber 13 and contacts the brush roller 14, the main function of the third wiper strip 19 being to wipe off the cleaning liquid delivered by the fluid distributor 19 onto the brush roller 14 and to prevent excess liquid delivered by the fluid distributor 19 and not absorbed by the brush roller 14 from flowing or splashing directly from the gap between the upper cover 12 and the upper part of the brush roller 14 onto the surface to be cleaned.

Referring to fig. 1 and 4, the upright body 2 includes a body portion 21 extending in a longitudinal direction and a handle portion 22 fixedly connected to the body portion 21 and located at an upper side of the body portion 21. The handle portion 22 includes a handle 221 to be held by a user, an operation panel 222 provided on the handle 221, and a lever 223 supporting the handle 221. The lever body 223 is fixedly connected at both ends thereof to the handle 221 and the body 21, respectively, and the form of the operation panel 222 is not limited to a push button, a slide button, a trigger, and the like.

The body portion 21 includes an upright case 211 and a lower connection end 212 at a lower end of the upright case 211. The upright housing 211 constitutes an outer skeleton of the body part 21 and can accommodate several components, and the lower coupling end 212 is rotatably hinged to the rear of the cleaning base 1 so that the upright body 2 can rotate relative to the cleaning base 1. A first display 23 is arranged on an upper portion of the upright housing 21, the first display 23 being configured to display current operating conditions and operating parameters of the surface cleaning machine 100; such as the residual capacity of the battery, the working state of the brush roller, etc.

Also mounted within the upright housing 21 is a multi-rechargeable battery pack 24, the battery pack 24 being capable of providing electrical power to various power consuming components of the wet surface cleaning machine 100.

Referring to fig. 5, the fluid delivery system is mainly composed of a fluid supply container 25 for storing and supplying the cleaning liquid to the outside of the brush roller 14, a fluid distributor 19, a fluid passage 31 in fluid communication with the fluid supply container 25 and the fluid distributor 19, and a pump 32 disposed in the fluid passage and supplying a flow power to the cleaning liquid.

The pump 32 may be arranged either on the housing 11 of the cleaning foot 1 or in the upright housing 211 of the upright body 2.

Referring to fig. 1 and 4, a fluid supply container 25 is removably attached to upright housing 211 to facilitate manual addition of cleaning liquid thereto by an operator. The cleaning liquid is not limited to clear water, sterilized water added with a disinfectant, and a detergent solution added with a detergent.

As shown in fig. 6, a fluid supply path 30 is established on the wet surface cleaning machine 100 from the fluid supply tank 25 to the pump 32 to the fluid dispenser 19. By means of the fluid supply path 30, cleaning liquid can be continuously supplied to the brush roller 14 when the wet surface cleaning machine 100 is in operation.

The fluid delivery system is also provided with the necessary level sensing mechanism (not shown) that can determine in real time whether the cleaning liquid in the fluid supply vessel 25 is depleted or full.

Referring to fig. 7, the dirty liquid recovery system is mainly composed of a dirty liquid recovery tank 26 for receiving and storing dirty liquid, a dirty liquid input line 41 for fluidly connecting the dirty liquid recovery tank 26 to the suction port 131, and a vacuum motor 27 for providing negative pressure. The dirty liquid inlet line 41 will define at least part of the dirty liquid inlet path.

Referring to fig. 1 and 4, the waste recovery tank 26 has a recovery chamber 261 therein and is configured to be removably attached to the upright housing 211 for easy removal for manual cleaning by an operator. A vacuum motor 27 is in fluid communication with the dirty liquid recovery tank 26. A liquid level detection mechanism 262 is provided in the dirty liquid recovery container 26, and is capable of determining whether the dirty liquid in the recovery chamber 261 reaches a preset liquid level in real time. The level sensing mechanism 262 may be a float configuration or a level probe configuration.

Surface cleaning machine 100 is also provided with a dirty liquid outlet port 2112. The dirty liquid outlet port 2112 is in operable fluid communication with the recovery chamber 261 inside the dirty liquid recovery tank 26 via a dirty liquid outlet line 291. The method specifically comprises the following steps: the dirty liquid outlet line 291 extends between the lower portion of the dirty liquid recovery tank 26 and the dirty liquid outlet port 2112. The dirty liquid outlet line 291 is configured to allow dirty liquid inside the dirty liquid recovery tank 26 to be discharged directly to the outside of the machine via this pipe. The dirty liquid outlet line 291 is provided with a flow rate adjustment mechanism 292, the flow rate adjustment mechanism 292 is capable of adjusting the flow rate of the fluid flowing through the dirty liquid outlet line 291, and the adjustment range of the flow rate adjustment mechanism 292 is from 0 (i.e., the pipe is closed) to the maximum flow rate. The flow adjustment mechanism 292 will cause the dirty liquid outlet 291 to have at least a first mode of operation with open passages and a second mode of operation with closed passages.

The vacuum motor 27 may be any suitable motor capable of generating a vacuum negative pressure. The vacuum motor 27 is a dc motor and is powered by the battery pack 24. The vacuum motor 27 may be designed to be manually turned on or off by a switch disposed on the operation panel 222.

Referring to fig. 8, the surface cleaning machine 100 establishes a vacuum path 40 from the suction opening 131 to the dirty liquid recovery tank 26 to the vacuum motor 27 and a dirty liquid outlet path 50 from the dirty liquid recovery tank 26 to the dirty liquid outlet line 291 to the dirty liquid outlet port 2112. By virtue of the vacuum path 40, debris on the surface to be cleaned, as well as used cleaning liquid that has become dirty liquid, can be timely recovered and stored in the dirty liquid recovery tank 26 while the surface cleaning machine 100 is in operation. The dirty liquid in the dirty liquid recovery tank 26 can be discharged to the outside of the apparatus through the dirty liquid discharge path 50.

An exemplary dirty liquid recovery tank 26 is shown in fig. 9-11, the dirty liquid recovery tank 26 having a bottom end 2601 and a top end 2602 opposite the bottom end 2601 and including a bottom wall 263 at the bottom end 2601, a side wall 264 extending from the bottom wall 263 toward the top end 2602, a removable cap assembly 265 at the top end 2602, a first tube 266, and a second tube 267.

The first pipe 266 forms at least a portion of the dirty liquid inlet line 41 to the recovery chamber 261. Referring to fig. 10, a portion of the first tube 266 is located outside the recovery chamber 261 and a portion extends into the recovery chamber 261; the first tube 266 is formed as an integral part with the side wall 264. The contaminated liquid will be turned twice through 90 ° while flowing in the first pipe 266.

The second tube 267 forms a part of a dirty liquid outlet line 291 extending from the recovery chamber 261 to the outside of the recovery chamber 261. Referring to fig. 11, a second tube 267 is located outside the recovery chamber 261 and extends from the bottom wall 263 toward the top end 2602. The second tube 267 is located outside of the sidewall 264 and is formed as a unitary member with the sidewall 264. The second tube 267 has a tube port 2671 on the cap assembly 265 at the top end 2602.

Dirty liquid outlet port 2112 is in fluid communication with tube port 2671 via a dirty liquid conduit 2912, dirty liquid conduit 2912 defining a portion of dirty liquid outlet line 291. The flow adjustment mechanism 292 will be disposed at the location of the dirty liquid conduit 2912.

The lid assembly 265 includes a cover 2651 for sealing engagement with the sidewall 264 and a filter 2652 removably supported on the cover 2651. The filter 2652 forms at least a portion of an air exhaust passage leading from the recovery chamber 261 to the vacuum motor 27.

Referring to fig. 12, the wet surface cleaning machine 100 further includes a controller 28 in operative signal communication with various controlled components on the machine, such as the pump 32 in the fluid delivery system, the vacuum motor 27 in the dirty liquid recovery system, the brushroll motor 15, various switch buttons on the operating panel 222, a flow adjustment mechanism 292, and the like. Wet surface cleaning machine 100 is further provided with a charging interface 2116, charging interface 2116 being electrically connected to battery pack 24, and a charging management circuit 293 being further provided between the two. Under the action of the charging management circuit 293, the electric energy input from the charging interface 2116 can be delivered to the battery pack 24 under the condition that the condition is satisfied, so as to charge the battery pack 24. The charge management circuit 293 is in signal connection with and controlled by the controller 28.

The above embodiments are merely illustrative of the technical concepts and features of the present application, and the purpose of the present invention is to enable those skilled in the art to understand the content of the present application and implement the present application, and not to limit the protection scope of the present application. All equivalent changes or modifications made according to the spirit of the present application should be covered in the protection scope of the present application.

Claims

1. A wet surface cleaning machine comprising a suction opening facing a surface to be cleaned, a detachable dirty liquid recovery tank and a vacuum motor, the wet surface cleaning machine being such that a vacuum path is established from the suction opening to the dirty liquid recovery tank to the vacuum motor, the dirty liquid recovery tank having a base end and a top end opposite the base end and comprising a base wall at the base end, a side wall extending from the base wall towards the top end and a first tubular body, the dirty liquid recovery tank having a recovery chamber therein, the first tubular body having formed therein at least part of a dirty liquid inlet conduit to the recovery chamber and the first tubular body extending at least part way into the recovery chamber; characterized in that said dirty-liquid recovery tank comprises a second tube forming at least part of a dirty-liquid outlet conduit leading from said recovery chamber to the outside of said recovery chamber, said second tube being located outside said recovery chamber and extending from said bottom wall towards said top end.

2. A wet surface cleaning machine according to claim 1, wherein the second pipe has a pipe port at the top end.

3. A wet surface cleaning machine according to claim 2 wherein said wet surface cleaning machine is provided with a dirty liquid outlet port, said dirty liquid outlet port being in fluid communication with said pipe port via a dirty liquid conduit, said dirty liquid conduit forming part of said dirty liquid outlet line.

4. A wet surface cleaning machine according to claim 2 wherein said dirty liquid recovery tank includes a removable lid assembly at said top end, said pipe port being located on said lid assembly.

5. A wet surface cleaning machine according to claim 3, wherein the lid assembly includes a lid body for sealing engagement with the side wall and a filter removably supported on the lid body, the filter defining at least a portion of an air exhaust passage leading from the recovery chamber to the vacuum motor.

6. The wet surface cleaning machine of claim 1, wherein the wet surface cleaning machine is provided with a flow adjustment mechanism that adjusts the flow of fluid through the dirty fluid outlet line; when the vacuum motor is started to work, the flow regulating mechanism regulates the flow of the fluid flowing through the dirty liquid input pipeline to be 0.

7. A wet surface cleaning machine according to claim 1, wherein at least part of the second tube is located outside the side wall and is formed as an integral part with the side wall.

8. A wet surface cleaning machine as claimed in claim 1, comprising a base and an upright body having a lower portion pivotally connected to said base, said upright body having a handle portion at an upper portion thereof, said dirty liquid recovery tank being removably mounted to said upright body, said vacuum motor being mounted to said upright body.

9. The wet surface cleaning machine of claim 8, wherein a brush roll, a fluid supply container and a fluid dispenser are provided on the wet surface cleaning machine, the brush roll and the fluid dispenser being disposed on the base, the fluid dispenser being configured to supply fluid from the fluid supply container to the brush roll, the fluid supply container being disposed on the upright body.

10. A wet surface cleaning machine according to claim 9 comprising a rechargeable battery pack, the vacuum motor being a dc motor and being powered by the battery pack for operation.