CN114343516A - Cleaning head and hard floor cleaning machine - Google Patents
Cleaning head and hard floor cleaning machine Download PDFInfo
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- CN114343516A CN114343516A CN202011029317.XA CN202011029317A CN114343516A CN 114343516 A CN114343516 A CN 114343516A CN 202011029317 A CN202011029317 A CN 202011029317A CN 114343516 A CN114343516 A CN 114343516A
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Abstract
The invention discloses a cleaning head and a hard floor cleaning machine, wherein the cleaning head comprises: a cleaning roller; a housing defining a roller chamber, a lower portion of the roller chamber having a dirty air inlet, the lower portion of the scrub roller defining a leading edge of the dirty air inlet; the dirty liquid transfer box is arranged at the rear side of the cleaning roller, an opening is defined at the front part of the dirty liquid transfer box, the dirty liquid transfer box is in fluid communication with the roller chamber through the opening, and an output port in fluid communication with a suction source is formed in the dirty liquid transfer box; a flexible sealing strip disposed at the rear side of the cleaning roller, the flexible sealing strip defining a rear side edge at the dirty air inlet. The cleaning head and the cleaning machine of present case can be at the wet-type in-process of scrubbing ground, can will treat that most foul solution and filth on the clean ground are taken in the foul solution and are changeed box and foul solution collection box to make ground clean more thoroughly, clean efficiency is higher.
Description
Technical Field
The invention belongs to the technical field of household cleaning equipment, and particularly relates to a cleaning head capable of cleaning a hard floor by using cleaning liquid and recovering the used cleaning liquid and a hard floor cleaning machine.
Background
Hard floor cleaning machines, such as floor washers, typically utilize a cleaning head to clean and soil a surface to be cleaned. In the cleaning head of such an apparatus, a cleaning roller having a fluff layer wetted with a liquid is generally disposed, and when the cleaning roller is operated, the cleaning liquid is applied to the surface to be cleaned by the rotating cleaning roller, and during the rotation of the cleaning roller, the cleaning roller can simultaneously pick up the dirty liquid on the surface to be cleaned together with the suction force of the suction device, and then send the dirty liquid into the dirty liquid recovery tank of the dirty liquid recovery unit.
As is well known, in the actual use process of the above cleaning machine, such problems always occur as the cleaning head sucks the dirty liquid on the surface to be cleaned, so as to leave a large amount of water stains, the large-particle garbage on the surface to be cleaned cannot be cleaned, and after cleaning, a strip-shaped mark is left on the surface to be cleaned.
Therefore, there is a need in the market to provide wet floor washers with better cleaning performance to satisfy the user's satisfaction.
Disclosure of Invention
In view of the above technical problem, the object of the present invention is to provide a cleaning head with high cleaning efficiency and a hard floor cleaning machine provided with the cleaning head.
In order to achieve the above purpose, the present invention provides the following technical solutions: a cleaning head for a hard floor cleaning machine adapted to be moved along a floor surface to be cleaned, said cleaning head comprising:
a cleaning roller having a liquid-wettable material covered on an outer circumferential surface thereof;
a housing defining a roller chamber within which said cleaning roller is rotatably mounted, said roller chamber at least partially surrounding said cleaning roller, a lower portion of said roller chamber having a dirty air inlet, said lower portion of said cleaning roller defining a leading edge of said dirty air inlet;
a cleaning liquid dispenser disposed within said roller chamber for dispensing cleaning liquid to said cleaning roller;
the dirty liquid transfer box is arranged at the rear side of the cleaning roller, an opening is defined at the front part of the dirty liquid transfer box, the dirty liquid transfer box is in fluid communication with the roller chamber through the opening, and an output port in fluid communication with a suction source is formed in the dirty liquid transfer box;
a flexible sealing strip disposed on the rear side of the cleaning roller, the flexible sealing strip being configured to have an interference fit with the floor surface to be cleaned as the cleaning head is moved along the floor surface to be cleaned, the flexible sealing strip defining a rear side edge of the dirty air inlet; and
the liquid scraping device comprises at least one liquid scraping strip which is arranged in the roller chamber and is abutted against the cleaning roller, the at least one liquid scraping strip is constructed to be capable of removing redundant dirty liquid from the cleaning roller soaked by the dirty liquid, and the at least one liquid scraping strip is positioned on the upper side of the opening.
In the above-described aspect, preferably, the front portion of the dirty liquid transfer box includes a front wall located below the opening, and a passage communicating the dirty air inlet and the opening is formed between the front wall and the rear portion of the cleaning roller. Further preferably, the front wall is inclined gradually backward from bottom to top.
In the above technical solution, preferably, the dirty liquid transfer box is detachably mounted in the housing. Further preferably, the housing comprises a separable upper cover, and the separable upper cover partially covers the upper part of the waste liquid transferring box; after the separable upper cover is detached, the dirty liquid transfer box can be removed from the shell. Still further preferably, the at least one wiper strip is fixedly mounted to the detachable cover.
Still further preferably, the top part of the foul solution transfer box is of an open structure.
Or further preferably, the front portion of the roller chamber has a front through-opening exposing the front portion of the cleaning roller.
In a further aspect the present invention provides a hard floor cleaning machine comprising a cleaning head according to the above or preferred aspects, the cleaning machine further comprising, in addition to the cleaning head:
at least one cleaning liquid tank for storing cleaning liquid, the at least one cleaning liquid tank being respectively in fluid communication with the cleaning liquid dispenser;
the volume of the dirty liquid recovery box is far larger than that of the dirty liquid transfer box, and the dirty liquid recovery box is communicated with the dirty liquid transfer box; and
a suction source comprising a suction motor adapted to generate a working airflow from said dirty air inlet to said dirty liquid recovery tank.
The preferable scheme of the cleaning machine further comprises: the cleaning machine also comprises an upright machine body with a handle, the lower part of the upright machine body is rotationally connected to the cleaning head, and the dirty liquid recovery tank, the at least one cleaning liquid tank and the suction motor are all arranged on the upright machine body.
The preferable scheme of the cleaning machine can also be as follows: the dirty liquid transfer box is provided with at least one flushing port capable of flushing the chamber by using cleaning liquid, and the at least one flushing port is communicated with the at least one cleaning liquid tank through fluid.
The cleaning head and the cleaning machine can rapidly collect most of dirty liquid and dirt on the ground to be cleaned into the dirty liquid transfer box in the process of wet-type cleaning of the ground, so that the defect that the dirty liquid and the dirt cannot be completely transferred into the dirty liquid recovery box due to insufficient suction is overcome; the cleaning head and the cleaning machine of the scheme can clean the ground more thoroughly, and the cleaning efficiency is higher.
Drawings
FIG. 1 is a perspective view of a hard floor cleaning machine according to one embodiment of the present invention, with the machine body in an upright storage position;
FIG. 2 is a perspective view of a cleaning head according to one embodiment of the present invention;
FIG. 3 is an exploded view of a cleaning head according to one embodiment of the present invention;
FIG. 4 is a perspective view of a waste fluid cassette according to one embodiment of the present invention;
FIG. 5 is a cross-sectional view of the waste cartridge of FIG. 4 taken along line A-A;
figure 6 is a front cross-sectional view of a cleaning base according to one embodiment of the present invention.
100. A hard floor cleaning machine; 1. a vertical machine body; 2. a cleaning head; 11. a housing; 12. a handle assembly; 121. a handle bar; 122. an arcuate handle; 123. a user interface; 13. a battery pack; 31. a suction motor; 41. a cleaning liquid tank; 32. a dirty liquid recovery tank; 211. a detachable upper cover; 21. a housing; 22. a roller chamber; 23. a cleaning roller; 24. a dirty air inlet; 25. a front through-opening; 26. an installation chamber; 33. a dirty liquid transfer box; 331. an opening; 332. a front wall; 333. a chamber; 334. an output port; 335. flushing the opening; 34. a flexible sealing strip; 35. a channel; 36. scraping the liquid strip; 42. a liquid dispenser.
Detailed Description
For the purpose of illustrating the technical content, the constructional features, the achieved objects and the effects of the invention in detail, reference will be made to the following detailed description of the embodiments in conjunction with the accompanying drawings. For purposes of description in relation to the drawings, the terms "upper", "lower", "left", "right", "front", "rear", and derivatives thereof shall relate from the defined positional relationship to the locations indicated in FIG. 1.
FIG. 1 shows a hard floor cleaning machine 100 according to one embodiment of the present invention, which is a stick type machine. It mainly comprises two parts of an upright machine body 1 and a cleaning head 2. When the washing machine 100 performs a cleaning operation on a floor surface to be cleaned, the cleaning head 2 is supported on the surface to be cleaned and can be moved along the surface to be cleaned by a force applied to the upright body 1.
The lower part of the upright body 1 is pivotally mounted to the cleaner head 2, the upright body 1 being rotatable relative to the cleaner head 2 between an upright rest position (as in figure 1) in which the machine can be held after use, and a rearwardly inclined use position.
The upright machine body 1 comprises a housing 11, and the housing 11 is a framework part of the upright machine body 1 and mainly plays a role of receiving or carrying the rest of the components on the upright machine body 1.
A handle assembly 12 is mounted on the top of the housing 11, the handle assembly 12 including a handle bar 121 and an arcuate handle 122 by which an operator can hold the washer 100 in one hand and push the cleaner head 2 of the washer 100 in a rearwardly inclined use position back and forth over the floor to be cleaned. The arcuate handle 122 is provided with a user interface 123 including a plurality of operation switches, a plurality of warning lights, and a parameter light. In other embodiments, the user interface may be located elsewhere on the hard floor cleaning machine, such as on a top wall or side wall of the housing at the lower portion of the handle.
The inner side of the middle part of the machine shell 11 is provided with a suction motor 31, the front side of the upper part is provided with a detachable cleaning solution tank 41, and the front side of the lower part is provided with a detachable dirty solution recovery tank 32. The dirty liquid recovery tank 32 is in fluid communication with the suction motor 31.
A rechargeable battery pack 13 is mounted on the rear side of the lower portion of the housing 11, and the battery pack 13 can provide power to energy consuming components on the cleaning machine. In other embodiments, the power supply for the energy consuming component may be implemented by using an external power supply instead of the battery pack.
As shown in fig. 2-3, the cleaner head 2 includes a housing 21 having a detachable upper cover 211. The front inside of the housing 21 defines a roller chamber 22, and a cleaning roller 23 is mounted in the roller chamber 22 to be rotatable about a horizontal axis extending in the left-right direction. The outer peripheral surface of the cleaning roller 23 is covered with a liquid-wettable material, that is, the cleaning roller 23 can be wetted with a liquid and then wet-cleaned on a floor to be cleaned. The front portion of the roller chamber 22 has a front through-opening 25, and the front portion of the cleaning roller 23 is partially exposed from the front through-opening 25, and the front through-opening 25 facilitates the flow of the external air in the roller chamber 22 after the cleaning machine 100 is stopped, and the flow of the air can dry the wet cleaning roller 23. The rear portion of the housing 21 also defines a mounting chamber 26 at the rear side of the roller chamber 22, and a removable dirty liquid transfer box 33 is mounted in the mounting chamber 26.
The dirty liquid transfer box 33 shown in fig. 4-5 has a box-like structure with an open top. Its front portion defines an opening 331 towards the front side and also includes a front wall 332 below the opening 331. The front wall 332 is an inclined wall which is inclined gradually rearward from bottom to top, and the upper end of the front wall 332 is in contact with the opening 331. The front wall 332 may also be a flexible wall that is capable of deforming appropriately when large particle contaminants pass through the front wall 332. The inside of the dirty liquid transfer box 33 has a chamber 333 capable of temporarily storing a certain amount of dirty liquid and dirt. An output port 334 communicated with the chamber 333 is further provided below the rear portion of the dirty liquid transferring box 33, and the dirty liquid stored in the chamber 333 can be transferred to the outside of the box through the output port 334. In this embodiment, the output port 334 is connected to the dirty liquid recycling tank 32 through a pipeline, that is, during the operation of the hard floor cleaning machine 100, the dirty liquid and the dirt in the dirty liquid transferring box 33 can be transferred to the dirty liquid recycling tank 32 in real time under the action of the suction motor 31. A flexible seal 34 is also mounted to the lower end of the front wall 332. A pair of flushing ports 335 capable of flushing the chamber 333 with the cleaning liquid are provided in a pair of side walls of the dirty liquid transfer box 33, and the pair of flushing ports 335 are in fluid communication with the cleaning liquid tank 41.
As shown in fig. 6, the lower portion of the roller chamber 22 has a dirty air inlet 24, the lower portion of the scrub roller 23 defines a front side edge of the dirty air inlet 24, and the flexible seal 34 is located on a rear side of the scrub roller 23 and defines a rear side edge of the dirty air inlet 24. The dirty liquid transfer box 33 is located at the rear side of the cleaning roller 23 and close to the cleaning roller 23, a passage 35 communicating the dirty air inlet 24 with the opening 331 is formed between the front wall 332 and the rear portion of the cleaning roller 23, and the chamber 333 is in fluid communication with the roller chamber 22 through the opening 331.
The separable upper cover 211 has a front portion constituting a part of the roller chamber 22 and a rear portion covering an upper portion of the dirty liquid transferring box 33. As shown in fig. 3, after the detachable upper cover 211 is detached, both the cleaning roller 23 and the dirty liquid transferring box 33 can be removed from the housing 21.
As further shown in fig. 6, a wiper strip 36 is also provided on the inner wall of the detachable cover 211, the wiper strip 36 being located on the upper side of the opening 331 and abutting the cleaning roller 34 when the detachable cover 211 is secured to the remainder of the housing 21. The wiping bar 36 is configured to remove excess dirty liquid from the cleaning roller 23 wetted with dirty liquid, that is, the wiping bar 36 continuously wipes off the excess dirty liquid and dirt contained thereon while the cleaning roller 23 is continuously rotated, and then flows into or is sucked into the dirty liquid transfer box 33.
The inner wall of the separable upper cover 211 is further provided with a liquid distributor 42 having a plurality of liquid outlet holes, the liquid distributor 42 is in fluid communication with the cleaning liquid tank 41 through a cleaning liquid pipe, and the cleaning liquid in the cleaning liquid tank 41 can be distributed to the cleaning roller 23 by the structure. An infusion pump (not shown) capable of providing a variety of liquid flow rates may also be provided in the cleaning solution line so that the user may supply the appropriate amount of cleaning solution to the liquid dispenser 42 based on the need. In this example, the liquid distributor 42 is located downstream of the wiping bar 36 with respect to the rotation direction of the cleaning roller 23, i.e. after the cleaning roller 36 has been scraped by the wiping bar 36 to remove excess dirt liquid, the liquid distributor 42 applies clean cleaning liquid thereto.
Based on the above structure, the cleaning liquid tank 41, the infusion pump, and the liquid distributor 42 are sequentially circulated through necessary cleaning liquid pipes to form a cleaning liquid delivery system; the cleaning liquid supplied in the cleaning liquid delivery system may be pure water or a washing solution mixed with a detergent. The dirty air inlet 24, the channel 35, the opening 331, the chamber 333, the output port 334, the dirty liquid recovery tank 32 and the suction motor 31 are sequentially in fluid communication to form a dirty liquid and dirt recovery system; the recovery system is capable of removing dirty liquid into which used cleaning liquid has been converted from the floor surface to be cleaned and removing dirt located on the floor surface to be cleaned, and storing the dirty liquid and dirt for a certain period of time.
During operation of the hard floor washing machine 100, the cleaning liquid in the cleaning liquid tank 41 is continuously fed into the cleaning roller 23, the liquid-wettable material covering the outer peripheral surface of the cleaning roller 23 is wetted, and then the wetted material is brought into contact with the floor surface to be cleaned as the cleaning roller 23 rotates, thereby applying the cleaning liquid to the floor surface to be cleaned.
During the operation of the hard floor cleaning machine 100, the wetted cleaning roller 23 can remove the dirt present on the floor surface to be cleaned while being wiped on the floor surface, some dirt will be directly swept into the rear dirt transfer box 33 by the rotating cleaning roller 23, some dirt will be suspended in the fluid composed of air and dirt, and then sucked into the dirt transfer box 33 by the suction force of the suction motor 31, some dirt will be absorbed by the liquid wettable material covering the outer peripheral surface of the cleaning roller 23, and the absorbed dirt will be scraped by the scraper bar 36 when rotating to the scraper bar 36 with the cleaning roller 23, and then sent into the dirt transfer box 33 under the combined action of gravity and suction force. Therefore, in this example, the dirty liquid and the dirty substance entering the chamber 333 of the dirty liquid transfer box 33 mainly include: the dirty liquid and dirt sucked into the chamber 333 of the dirty liquid transfer box 33 through the opening 331, the dirty liquid and dirt swept into the chamber 333 of the dirty liquid transfer box 33 by the cleaning roller 23, and the dirty liquid scraped off from the cleaning roller 23 by the scraper bar 36.
During the operation of the hard floor cleaning machine 100, the dirty liquid and dirt entering the chamber 333 will be transferred from the output port 334 to the dirty liquid recovery tank 32 in real time under the suction force of the suction motor 31, the dirty liquid, dirt and air will be separated in the dirty liquid recovery tank 32, the dirty liquid and dirt will be left in the dirty liquid recovery tank 32, and the air flow is discharged to the outside after entering the suction motor 21.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes or modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (11)
1. A cleaning head for a hard floor cleaning machine adapted to be moved along a floor surface to be cleaned, said cleaning head comprising:
a cleaning roller having a liquid-wettable material covered on an outer circumferential surface thereof;
a housing defining a roller chamber within which said cleaning roller is rotatably mounted, said roller chamber at least partially surrounding said cleaning roller, a lower portion of said roller chamber having a dirty air inlet, said lower portion of said cleaning roller defining a leading edge of said dirty air inlet;
a cleaning liquid dispenser disposed within said roller chamber for dispensing cleaning liquid to said cleaning roller;
the dirty liquid transfer box is arranged at the rear side of the cleaning roller, an opening is defined at the front part of the dirty liquid transfer box, the dirty liquid transfer box is in fluid communication with the roller chamber through the opening, and an output port in fluid communication with a suction source is formed in the dirty liquid transfer box;
a flexible sealing strip disposed on the rear side of the cleaning roller, the flexible sealing strip being configured to have an interference fit with the floor surface to be cleaned as the cleaning head is moved along the floor surface to be cleaned, the flexible sealing strip defining a rear side edge of the dirty air inlet; and
the liquid scraping device comprises at least one liquid scraping strip which is arranged in the roller chamber and is abutted against the cleaning roller, the at least one liquid scraping strip is constructed to be capable of removing redundant dirty liquid from the cleaning roller soaked by the dirty liquid, and the at least one liquid scraping strip is positioned on the upper side of the opening.
2. The cleaner head of claim 1, wherein the front portion of the dirty liquid transfer box includes a front wall on a lower side of the opening, the front wall and the rear portion of the cleaner roller forming a passage therebetween communicating the dirty air inlet with the opening.
3. A cleaning head according to claim 2, wherein the front wall is inclined progressively rearwardly from below upwards.
4. The cleaning head of claim 1, wherein the waste transfer box is removably mounted within the housing.
5. The cleaner head according to claim 4 wherein said housing includes a detachable upper cover partially covering an upper portion of said dirty liquid transfer box; after the separable upper cover is detached, the dirty liquid transfer box can be removed from the shell.
6. The cleaning head of claim 5 wherein said at least one wiper strip is fixedly attached to said detachable cover.
7. The cleaning head of claim 4, wherein the top portion of the dirty liquid transfer box is open.
8. The cleaning head of claim 4 wherein the front portion of the roller chamber has a through front opening exposing the front portion of the cleaning roller.
9. A hard floor cleaning machine provided with a cleaning head according to any one of claims 1 to 8, characterized in that the machine further comprises:
at least one cleaning liquid tank for storing a cleaning liquid, the at least one cleaning liquid tank being in fluid communication with the cleaning liquid dispenser;
the volume of the dirty liquid recovery box is far larger than that of the dirty liquid transfer box, and the dirty liquid recovery box is communicated with the dirty liquid transfer box; and
a suction source comprising a suction motor adapted to generate a working airflow from said dirty air inlet to said dirty liquid recovery tank.
10. A hard floor cleaning machine according to claim 9 further comprising an upright body having a handle, a lower portion of said upright body being pivotally connected to said cleaning head, said dirty liquid recovery tank, said at least one cleaning liquid tank and said suction motor being mounted on said upright body.
11. A hard floor cleaning machine according to claim 9 wherein said dirty liquid transfer box is provided with at least one flushing port for flushing said chamber with a cleaning liquid, said at least one flushing port being in fluid communication with said at least one cleaning liquid tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011029317.XA CN114343516B (en) | 2020-09-27 | 2020-09-27 | Cleaning head and hard floor cleaning machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011029317.XA CN114343516B (en) | 2020-09-27 | 2020-09-27 | Cleaning head and hard floor cleaning machine |
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| Publication Number | Publication Date |
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| CN114343516A true CN114343516A (en) | 2022-04-15 |
| CN114343516B CN114343516B (en) | 2023-09-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011029317.XA Active CN114343516B (en) | 2020-09-27 | 2020-09-27 | Cleaning head and hard floor cleaning machine |
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| Country | Link |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114869186A (en) * | 2022-05-20 | 2022-08-09 | 小窝智能(北京)科技有限公司 | Cleaning equipment dirt collecting box and cleaning equipment |
| CN115104972A (en) * | 2022-07-30 | 2022-09-27 | 苏州爱普电器有限公司 | Self-moving floor cleaning device |
| CN115104971A (en) * | 2022-07-30 | 2022-09-27 | 苏州爱普电器有限公司 | Self-moving floor cleaning device |
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| CN111588318A (en) * | 2020-05-19 | 2020-08-28 | 贾静 | Cleaning device's casing mounting structure |
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| CN115104972B (en) * | 2022-07-30 | 2023-06-23 | 苏州爱普电器有限公司 | Self-moving floor cleaning device |
| CN115104971B (en) * | 2022-07-30 | 2023-06-30 | 苏州爱普电器有限公司 | Self-moving floor cleaning device |
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| Publication number | Publication date |
|---|---|
| CN114343516B (en) | 2023-09-26 |
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