CN217524977U - Surface cleaning device with good wetting effect - Google Patents

Abstract

The utility model discloses a moist effectual surface cleaning device belongs to cleaning equipment technical field, including the scrubbing brush that has the installation cavity, locate the cleaning roller in the installation cavity and provide the solution feed assembly of cleaning solution to the cleaning roller, be equipped with on the inner wall of installation cavity along the extruded article and the even water spare of cleaning roller interval distribution around the cleaning roller direction of rotation, the solution feed assembly supplies the liquid to the surface that lies in on the cleaning roller between extruded article and the even water spare, the contact magnitude of interference between extruded article and the cleaning roller is greater than the contact magnitude of interference between even water spare and the cleaning roller, so that form the even water district that makes the even moist cleaning roller of cleaning solution between extruded article and even water spare. The cleaning roller is uniformly wetted by the cleaning solution after passing through the water homogenizing area, so that the cleaning effect of the cleaning roller on the surface to be cleaned is favorably improved, the condition that the part is too dry and cannot be effectively cleaned due to nonuniform wetting of the cleaning roller is avoided, or the part is too wet, more water stains are easily left on the surface to be cleaned, and the wet condition is more wiped, so that the use experience of a user is favorably improved.

Description

Surface cleaning device with good wetting effect

Technical Field

The utility model relates to a cleaning device technical field especially relates to a moist effectual surface cleaning device.

Background

In recent years, some intelligent cleaning devices are more and more widely applied to daily life, and various cleaning devices bring great convenience to the life of users. The floor cleaning machine is common cleaning equipment, a cleaning piece and a motor for driving the cleaning piece are arranged on a cleaning head of the floor cleaning machine, and when the machine body works, the motor drives the cleaning piece to rotate so that the cleaning piece cleans a surface to be cleaned, so that the cleaning purpose is realized.

In order to improve the wiping effect of the cleaning elements, some floor mopping machines are provided with a liquid supply structure, and the liquid supply structure can spray cleaning liquid onto the cleaning elements to wet the cleaning elements, so that the cleaning elements can wipe dirt such as dust, hair and the like and can wipe off some condensed dirt. However, the wet degree and the wet whether even can produce great influence to clean effect of cleaning member, if the cleaning member absorbs water more or wet inhomogeneous messenger's part and absorb water more, can lead to treating the inhomogeneous condition of water stain on the clearance face, liquid also directly flows down easily and leads to wiping the wet condition more on treating the clearance face, is unfavorable for improving user's use and experiences.

SUMMERY OF THE UTILITY MODEL

In order to solve the shortcoming and the insufficiency that exist among the above-mentioned prior art, the utility model provides a moist effectual surface cleaning device effectively improves and cleans effect and use experience.

In order to realize the technical purpose, the utility model provides a pair of moist effectual surface cleaning device, including the scrubbing brush that has the installation cavity, rotatable cleaning roller of locating in the installation cavity and be used for providing the solution feed assembly of cleaning solution to the cleaning roller, be equipped with on the inner wall of installation cavity along extrusion spare and the even water spare of interval distribution around the cleaning roller direction of rotation, the solution feed assembly is located the surface liquid supply between extrusion spare and the even water spare on to the cleaning roller, and the contact magnitude of interference between extrusion spare and the cleaning roller is greater than the contact magnitude of interference between even water spare and the cleaning roller to make and form the even water district that makes the even moist cleaning roller of cleaning solution between extrusion spare and even water spare.

Preferably, the water uniforming member is disposed higher than the extrusion member.

Preferably, an included angle alpha which takes the center of the cleaning roller as a vertex is formed between the contact point of the water uniforming member and the cleaning roller and the contact point of the extrusion member and the cleaning roller, and the included angle alpha is more than or equal to 3 degrees and less than or equal to 90 degrees.

Preferably, the water homogenizing piece is an elastic scraping strip; or the water homogenizing piece and the extrusion piece are integrally formed.

Preferably, even water spare is for facing the even water board that the cleaning roller set up, and the bottom and the cleaning roller interference contact of even water board, even water district locate between the bottom and the extruded piece of even water board.

Preferably, the front surface of the water homogenizing plate is provided with a plurality of bulges which are uniformly distributed at intervals and are in interference contact with the cleaning roller.

Preferably, the water homogenizing plate is rotatably connected to the liquid supply assembly, and a positioning structure for keeping the water homogenizing plate stable is arranged between the water homogenizing piece and the liquid supply assembly.

Preferably, the water homogenizing member is arranged lower than the extrusion member, and the water homogenizing member and the extrusion member are respectively arranged at the front side and the rear side of the cleaning roller.

Preferably, the scrubbing brush includes casing and protecgulum, and the protecgulum can be dismantled and connect in the front side of casing and form the installation cavity with the casing cooperation, and even water spare is located on the protecgulum.

Preferably, the liquid supply assembly comprises a water tank for containing the cleaning liquid, a liquid spraying part connected with the water tank and a water pump for pumping the cleaning liquid in the water tank to the liquid spraying part, and the liquid spraying part is arranged facing the cleaning roller.

After the technical scheme is adopted, the utility model has the advantages of as follows:

1. the utility model provides a surface cleaning device, add on the inner wall of installation cavity and established extrusion spare and even water spare along the clean roll rotation direction front and back interval distribution, form an even water district through extrusion spare and even water spare, the liquid supply subassembly provides the cleaning solution to the clean roll, the clean roll can be evenly moistened by the cleaning solution after even water district, be favorable to improving the cleaning effect that the cleaning surface was treated to the clean roll, avoid the wet inhomogeneous local too dry condition or the local too wet condition that can not effectively clean treating the clearance face that leads to of clean roll to leave more water stain and wipe the wet condition more easily on treating the clearance face, be favorable to improving user's use and experience. Extruded article and cleaning roller interference contact, extruded article can extrude the cleaning roller before the cleaning roller gets into even water district, strikes off the cleaning roller and cleans the sewage after treating the clearance face, is favorable to improving the cleanliness factor of cleaning roller when cleaning treating the clearance face to be favorable to improving and clean the effect. The cleaning liquid on the cleaning roller can be scraped evenly through the interference contact between the water homogenizing piece and the cleaning roller, so that the cleaning roller can be uniformly wetted when being separated from the water homogenizing area. The contact magnitude of interference between extruded piece and the cleaning roller is greater than the contact magnitude of interference between even water spare and the cleaning roller, avoids the cleaning solution that adsorbs on the cleaning roller in even water district to be strickled off too much by even water spare and leads to the cleaning roller can not effectively be moistened the condition.

2. Because the contact magnitude of interference between even water spare and the cleaning roller is less, even water spare is higher than the extruded piece setting, can prevent to be scraped the unnecessary cleaning solution after the uniform by even water spare and fall on treating the clearance face from the both ends direct flow downwards of even water spare, makes unnecessary cleaning solution also can flow back to on the cleaning roller downwards in even water district.

3. The span of the uniform water piece and the extrusion piece which are distributed at intervals along the rotation direction of the cleaning roller is reasonably arranged, and the uniform water effect is ensured. If alpha is less than 3 degrees, the span between the water homogenizing piece and the extrusion piece is small, and the water homogenizing area is too small, which is not beneficial to improving the wetting efficiency. If alpha > 90 degrees, the span between the water homogenizing piece and the extrusion piece is larger, the water homogenizing area is too large, and the cleaning solution which is not effectively adsorbed on the cleaning roller is easily thrown off and falls onto the top wall of the mounting cavity when the cleaning roller rotates to form water stain.

4. Even water spare can adopt elasticity to scrape the strip, also can adopt with extruded article integrated into one piece's structure, rationally sets up the concrete structure of even water spare, makes it satisfy the structural requirement with the cleaning roller interference contact, also is favorable to rationally simplifying the structure degree of difficulty and the equipment degree of difficulty of even water spare.

5. The water homogenizing piece can also adopt a water homogenizing plate arranged towards the cleaning roller, and at the moment, the water homogenizing area is positioned between the bottom end of the water homogenizing plate and the extrusion piece. The specific structure of the water homogenizing part is reasonably arranged, so that the water homogenizing part can play a role in blocking dirty materials thrown off by rotating the cleaning roller while meeting the water homogenizing requirement, and the condition that the jet holes of the liquid supply assembly are blocked by the thrown dirty materials to cause uneven liquid spraying is avoided.

6. Set up a plurality of even interval distribution's arch on even water board's front surface, protruding and cleaning roller interference contact, when the cleaning roller rotated, the arch was scraped the cleaning roller and is swept, can effectively get rid of filiform dirty and other dirty of winding on the cleaning roller, avoided dirty accumulation to the washing dead angle position of installation cavity, also avoided dirty winding to lead to the cleaning roller card to die epaxial at cleaning roller both ends.

7. Even water board rotatable coupling is in the liquid supply subassembly, and even water board mobile setting is convenient for the user and opens even water board after using a period and clear up, avoids the dirty too much condition that leads to the orifice of liquid supply subassembly to be blocked up of piling up. The positioning structure is arranged between the water homogenizing plate and the liquid supply assembly, and the water homogenizing plate can be kept stable relative to the liquid supply assembly through the positioning structure, so that a water homogenizing area can be kept stable, and the cleaning roller can be uniformly wetted.

8. Even water spare also can be less than the extruded article setting, and at this moment, even water spare and extruded article are located both sides around the cleaning roller respectively, and the reasonable position that sets up of setting up of even water spare and extruded article makes even water spare rotate the cleaning solution that can scrape on the even cleaning roller before the cleaning roller contacts with treating the clearance face, reaches the even moist purpose of messenger's cleaning roller.

9. The water homogenizing piece can be arranged on the front cover, the arrangement position of the water homogenizing piece is reasonably arranged, the water homogenizing piece can be in effective interference contact with the cleaning roller to achieve the purpose of water homogenizing, and reasonable improvement of the assembly efficiency of the water homogenizing piece and guarantee of the structural strength of the water homogenizing piece are facilitated.

Drawings

FIG. 1 is an overall view of a surface cleaning apparatus according to an embodiment;

FIG. 2 is a schematic view of a brush and suction assembly of a surface cleaning apparatus according to an embodiment;

FIG. 3 is a schematic view showing the construction of a liquid supply unit, a cleaning roller, an extrusion member and a water uniforming member in a surface cleaning apparatus according to an embodiment;

FIG. 4 is a schematic view of a liquid ejecting member, an extrusion member, and a water uniforming member in a surface cleaning apparatus according to an embodiment;

FIG. 5 is an enlarged view taken at A in FIG. 3;

FIG. 6 is a schematic view showing a liquid ejecting member, a cleaning roller, a pressing member, and a water uniforming plate in the surface cleaning apparatus according to the second embodiment;

FIG. 7 is a view showing the arrangement of a liquid ejecting member, an extruding member and a water distribution plate in the surface cleaning apparatus of the second embodiment when the water distribution plate is fixed;

FIG. 8 is a schematic view of the spray, extrusion and spreader plate of the surface cleaning apparatus of the second embodiment with the spreader plate open;

FIG. 9 is a view showing a structure of a liquid ejecting member, an extruding member and a water uniforming plate in the surface cleaning apparatus according to the embodiment;

FIG. 10 is a partial block diagram of a mounting chamber of a four surface cleaning apparatus according to an embodiment;

FIG. 11 is a partial view of the structure of the installation cavity of the five-surface cleaning apparatus according to the embodiment.

In the figure, 10-ground brush, 20-machine body, 30-operation part, 110-installation cavity, 120-dirt inlet, 140-ground scraper, 100-cleaning roller, 200-liquid supply component, 210-water tank, 220-liquid spraying component, 221-cover plate, 222-back plate, 223-joint, 224-spray head, 225-spray hole, 226-clamping groove, 230-water pump, 310-machine shell, 311-upper shell, 312-lower shell, 320-front cover, 410-extrusion component, 420-water homogenizing component, 421-water homogenizing plate, 422-matching surface, 423-buckle, 424-bulge, 425-elastic scraping strip, 430-water homogenizing area, 500-dirt collecting component, 510-dirt collecting box, 520-suction fan, 530-dirt collecting head and 540-dirt collecting pipeline.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and specific embodiments. It is to be understood that the following terms "upper," "lower," "left," "right," "longitudinal," "lateral," "inner," "outer," "vertical," "horizontal," "top," "bottom," and the like are used in an orientation or positional relationship relative to one another only as illustrated in the accompanying drawings and are used merely for convenience in describing and simplifying the invention, and do not indicate or imply that the device/component so referred to must have a particular orientation or be constructed and operated in a particular orientation and therefore should not be considered as limiting the invention.

It should be noted that the surface cleaning apparatus of the present application may be a self-propelled cleaning robot, or may be a hand-held surface cleaning apparatus. The self-walking type cleaning robot comprises a walking wheel used for supporting and driving the surface cleaning device to walk, and the structure is as follows.

The invention will now be illustrated with reference to the accompanying drawings in combination with a hand-held surface cleaning apparatus.

Example one

As shown in fig. 1 to 5, a surface cleaning device with good wetting effect provided by the embodiment of the present invention includes a floor brush 10 having an installation cavity 110, a cleaning roller 100 rotatably disposed in the installation cavity 110, and a liquid supply assembly 200 for supplying cleaning liquid to the cleaning roller 100, wherein the inner wall of the installation cavity 110 is provided with an extrusion member 410 and a water homogenizing member 420 which are distributed along the rotation direction of the cleaning roller 100 at intervals, the liquid supply assembly 200 supplies liquid to the surface of the cleaning roller 100 between the extrusion member 410 and the water homogenizing member 420, and the contact interference magnitude between the extrusion member 410 and the cleaning roller 100 is greater than that between the water homogenizing member 420 and the cleaning roller 100, so as to form a water homogenizing region 430 between the extrusion member 410 and the water homogenizing member 420 for making the cleaning liquid uniformly wet the cleaning roller 100.

Form an even water district through extruded piece and even water spare, supply the liquid subassembly to provide the cleaning solution to the cleaning roller, the cleaning roller can be evenly moistened by the cleaning solution after even water district, be favorable to improving the cleaning roller and treat the effect of cleaning of clearance face, avoid the wetting inhomogeneous local too dry condition or the local too wet condition that leads to can not effectively clean treating the clearance face of leaving more water stain and wipe more wet easily on treating the clearance face of cleaning roller, be favorable to improving user's use and experience. The extruded article and the interference contact of cleaning roller, the extruded article can be extruded cleaning roller before the cleaning roller gets into even water district, strikes off cleaning roller and cleans the sewage after treating the clearance face, is favorable to improving the cleanliness factor of cleaning roller when cleaning treating the clearance face to be favorable to improving and clean the effect. The cleaning liquid on the cleaning roller can be scraped evenly through the interference contact between the water homogenizing piece and the cleaning roller, so that the cleaning roller can be uniformly wetted when being separated from the water homogenizing area. The contact magnitude of interference between extruded piece and the cleaning roller is greater than the contact magnitude of interference between even water spare and the cleaning roller, avoids the cleaning solution that adsorbs on the cleaning roller in even water district to be strickled off too much by even water spare and leads to the cleaning roller can not effectively be moistened the condition.

In this embodiment, the surface cleaning apparatus further includes a body 20, the bottom end of the body 20 is pivotally connected to the rear side of the floor brush 10, the top end of the body 20 is provided with an operation portion 30 for a user to hold, and the floor brush 10 is provided with a plurality of rollers. Scrubbing brush 10 includes casing 310 and protecgulum 320, and casing 310 is including fixed last casing 311 and lower casing 312 together, and protecgulum 320 passes through buckle structure can dismantle to be connected in the front side of casing 310, and protecgulum 320 forms the installation cavity 110 that is located scrubbing brush 10 front side with casing 310 cooperation, and the bottom side of installation cavity 110 is uncovered, and the downside of the cleaning roller 100 of being convenient for is protruding downwards in installation cavity 110 and is treated the clearance face and clean. The axial direction of the cleaning roller 100 is horizontal along the left-right direction, a motor and a transmission structure for driving the cleaning roller 100 to rotate are arranged in the shell 310, the cleaning roller 100 is in transmission connection with an output shaft of the transmission structure, and the motor drives the cleaning roller 100 to rotate through the transmission structure, so that the cleaning roller 100 wipes a surface to be cleaned, and the cleaning purpose is achieved.

Referring to fig. 3, the liquid supply assembly 200 includes a water tank 210 for containing the cleaning liquid, a liquid spray member 220 connected to the water tank 210, and a water pump 230 for pumping the cleaning liquid in the water tank 210 to the liquid spray member 220, the liquid spray member 220 being disposed to face the cleaning roller 100. In this embodiment, the water tank 210 is detachably disposed on the body 20, the water pump 230 is disposed inside the housing 310, the liquid spraying member 220 is integrally formed in a long strip shape, the liquid spraying member 220 is fixed on the front side of the housing 310 and is located on the rear side of the cleaning roller 100, the water spraying member 220 is connected with the water pump 230 and the water pump 230 is connected with the water tank 210 through water pipes, and the cleaning liquid in the water tank 210 is pumped to the liquid spraying member 220 under the action of the water pump 230 and is sprayed from the liquid spraying member 220 to the cleaning roller 100.

Referring to fig. 4, the spray member 220 includes a cover plate 221 and a back plate 222 fixed together, the cover plate 221 is disposed facing the cleaning roller 100, a connector 223 connected to a distal end of a water pipe is disposed on a back surface of the back plate 222, a plurality of spray heads 224 spaced apart from each other in a left-right direction and facing the cleaning roller 100 are disposed on a front surface of the cover plate 221, spray holes 225 are disposed on the spray heads 224, a water passage for connecting the water pipe and the spray holes 225 is formed between the cover plate 221 and the back plate 222, and the cleaning liquid flowing into the spray member 220 flows to the spray heads 224 through the water passage and is sprayed from the spray holes 225 at the spray heads 224.

Referring to fig. 5, in the present embodiment, a pressing member 410 is fixed to the front side of cabinet 310 at the bottom of spray member 220, and the front side of pressing member 410 is in interference contact with cleaning roller 100. The extrusion piece 410 can extrude the cleaning roller 100 before the cleaning roller 100 enters the water homogenizing area 430, scrapes off sewage caused by the cleaning roller 100 after wiping a surface to be cleaned and dirt adsorbed on the cleaning roller, and is favorable for improving the cleanliness of the cleaning roller 100 when wiping the surface to be cleaned, thereby being favorable for improving the wiping effect.

In order to collect the sewage extruded from the cleaning roller 100 by the extruding member 410 in time, the surface cleaning apparatus is further provided with a sewage collecting assembly 500. Combine fig. 2, dirty subassembly 500 of collection is including the dirty box 510 of collection that is used for collecting dirty, provide the suction fan 520 of the dirty suction of collection, locate the dirty head 530 of advancing in the scrubbing brush 10 and be used for the dirty box 510 of intercommunication collection and advance dirty pipeline 540 of advancing of dirty head 530, suction fan 520 is located on the fuselage 20, dirty box 510 of collection can be dismantled and is located on the fuselage 20, be equipped with the dirty mouth 120 of advancing that is located extruded article 410 bottom on the scrubbing brush 10, advance dirty head 530 and locate the rear side of advancing dirty mouth 120, the one end of advancing dirty pipeline 540 is connected with advancing dirty head 530, the other end is dismantled the cooperation with dirty box 510 of collection. The bottom side of the housing 310 is provided with a ground scraper 140 which is positioned at the bottom of the dirt inlet 120 and at the rear side of the cleaning roller 100, the ground scraper 140 has elasticity and a certain distance with the cleaning roller 100, and the ground scraper 140 is in interference contact with the surface to be cleaned. When the suction fan 520 works, a dirt suction airflow which flows from the dirt inlet 120, then flows through the dirt collecting box 510 after passing through the dirt inlet 530 and the dirt inlet pipe 540 is formed, and dirt such as sewage and particles which are scraped and extruded by the extrusion part 410 of the cleaning roller 100 and dirt which is scraped by the ground scraper 140 can be collected into the dirt collecting box 510 under the action of the dirt suction airflow.

The scrub roller 100 is rotated clockwise in fig. 3, and in this embodiment, the water uniforming member 420 is disposed higher than the pressing member 410, and the water uniforming member 420 is preferably formed integrally with the pressing member 410, and the water uniforming member 420 is a hard member. Referring to fig. 5, the water uniforming member 420 is provided above the front side of the pressing member 410, the front side of the water uniforming member 420 is in interference contact with the cleaning roller 100, and a gap between the water uniforming member 420 and the pressing member 410 constitutes a water uniforming region 430. The interference of contact between the presser 410 and the scrub roller 100 is preferably set to 4mm, and the interference of contact between the water uniforming member 420 and the scrub roller 100 is preferably set to 2mm.

An included angle alpha which takes the center of the cleaning roller 100 as a vertex is formed between the contact point of the water uniforming member 420 and the cleaning roller 100 and the contact point of the extruding member 410 and the cleaning roller 100, and the included angle alpha is more than or equal to 3 degrees and less than or equal to 90 degrees. Referring to fig. 3, in the present embodiment, the surface of the pressing member 410 and the water uniforming member 420 facing the scrub roller 100 are all in full contact with the scrub roller 100, point C represents the center of the scrub roller 100, point P represents the middle point in the height direction of the surface of the water uniforming member 420 facing the scrub roller 100, point Q represents the middle point in the height direction of the surface of the pressing member 410 facing the scrub roller 100, and the angle formed by the straight line PC and the straight line QC is the angle α. In the present embodiment, the angle α is preferably set to 5 °.

When the device works, the cleaning liquid in the water tank 210 is pumped to the liquid spraying part 220 by the water pump 230 and is sprayed out towards the cleaning roller 100 from the spraying holes 225 on the liquid spraying part 220, the sprayed cleaning liquid is adsorbed on the local part of the cleaning roller 100 in the water homogenizing area 430, the water homogenizing part 420 is in interference contact with the rotating cleaning roller 100 to scrape the cleaning liquid adsorbed on the cleaning roller 100 uniformly, so that the cleaning roller 100 can be uniformly wetted by the cleaning liquid after passing through the water homogenizing area 430, and the wetted cleaning roller 100 wipes the surface to be cleaned. The part of the cleaning roller 100 after wiping the surface to be cleaned is in interference contact with the extrusion piece 410 before entering the water homogenizing area 430, under the extrusion action of the extrusion piece 410, sewage and solid dirt on the cleaning roller 100 are scraped off, the cleanliness of the cleaning roller 100 is improved, the cleaning roller 100 can absorb sufficient cleaning liquid after passing through the water homogenizing area 430, and the scraped off dirt is collected into the dirt collecting box 510 under the action of suction airflow.

It will be appreciated that front cover 320 may be coupled to the front side of chassis 310 by other releasable coupling structures.

It is understood that the specific structure of the liquid spraying member 220 is not limited to the above description and shown in the drawings, and other reasonable structures, such as a nozzle, etc., can be adopted.

It is understood that the water uniforming member 420 and the extruding member 410 may be formed separately, in which case the water uniforming member 420 formed independently may be fixed to the top of the front side of the extruding member 410 by a fastening structure, or the water uniforming member 420 may be fixed to the front side of the cabinet 310 to be positioned on the top of the front side of the extruding member 410.

It is understood that the contact interference between the pressing member 410 and the cleaning roller 100 can be reasonably set to be 2mm, 2.5mm, 3mm, 3.4mm, 3.8mm, 4.2mm, 4.6mm, 5mm and other reasonable interference according to the material of the outer surface of the cleaning roller 100, the pressing requirement on the cleaning roller 100 and other factors.

It can be understood that the contact interference between the water uniforming member 420 and the scrub roller 100 can be reasonably set to be 0.5mm, 1mm, 1.4mm, 1.8mm, 2.2mm, 2.6mm, 3mm, 3.4mm, 4mm and other reasonable interference according to the material of the outer surface of the scrub roller 100, the water uniforming requirement and other factors.

It is understood that the included angle α may also be set to other reasonable angle values such as 3 °,4 °, 4.5 °, 5.5 °, 6 °, 7 °,10 °,20 °, and the like.

Example two

In the present embodiment, referring to fig. 6, 7 and 8, the water uniforming member 420 and the extrusion member 410 are formed separately, and the water uniforming member 420 preferably employs a water uniforming plate 421, the water uniforming plate 421 is fixed on the front side of the liquid ejecting member 220 and is disposed facing the cleaning roller 100, the bottom end of the water uniforming plate 421 is in interference contact with the cleaning roller 100, and the water uniforming region 430 is located between the bottom end of the water uniforming plate 421 and the extrusion member 410. The water uniforming plate 421 can block the dirt thrown off by the rotation of the cleaning roller 100, so as to prevent the thrown-off dirt from falling on the liquid spraying member 220 to block the spraying holes 225, thereby preventing the uneven spraying.

In order to improve the water homogenizing effect of the water homogenizing plate 421 on the cleaning roller 100, the bottom end of the water homogenizing plate 421 is provided with a fitting surface 422 in interference contact with the cleaning roller 100, and the fitting surface 422 is in complete interference contact with the cleaning roller 100. At this time, the center point E of the fitting surface 422 in the arc direction is designated as the interference contact point between the water uniforming member 420 and the cleaning roller 100, and the angle formed by the straight line EC and the straight line QC is the included angle α.

In order to avoid the situation that the liquid supply assembly 200 is blocked due to excessive dirt accumulation, in the embodiment, the water uniforming plate 421 is rotatably connected to the liquid supply assembly 200, and a positioning structure for keeping the water uniforming plate 421 stable is arranged between the water uniforming member 420 and the liquid supply assembly 200. Specifically, protruding shafts protruding outwards are arranged at two ends of the water homogenizing plate 421, shaft holes for inserting the protruding shafts are formed in end plates at two ends of the cover plate 221 in the liquid spraying part 220, the water homogenizing plate 421 can be connected to the liquid spraying part 220 in a vertically rotating manner through matching of the protruding shafts and the shaft holes, the water homogenizing plate 421 can be opened in a downward rotating manner relative to the liquid spraying part 220, and a user can conveniently open the water homogenizing plate 421 to clean the liquid spraying part 220 after using for a period of time. The positioning structure comprises a buckle 423 arranged on the top side of the water homogenizing plate 421 and a clamping groove 226 arranged on the top side of the liquid spraying part 220, the buckle 423 is arranged at intervals along the length direction of the water homogenizing plate 421, and the clamping groove 226 and the buckle 423 are arranged in a one-to-one correspondence manner. The water uniforming plate 421 rotates upward to make the buckle 423 snap into the clamping groove 226 to hook the liquid spraying member 220, so that the water uniforming plate 421 can be fixed on the front side of the liquid spraying member 220.

It will be appreciated that the provision of the mating surface 422 can be eliminated and the underside of the splash plate 421 has full interference contact with the scrub roller 100.

It will be appreciated that the mating surface 422 may be provided as an arcuate surface or may be provided as an inclined plane.

It will be appreciated that the above-described, the included angle alpha can be set to be 3 degrees, 4 degrees, 4.5 degrees, 5.5 degrees, 6 degrees, 7 degrees, 10 degrees, 12 degrees, 14 degrees, 16 degrees, 18 degrees, 20 degrees, 25 degrees, 30 degrees, 35 degrees, 40 degrees and other reasonable angle values.

It can be understood that the positions of the protruding shaft and the shaft hole can be interchanged.

It should be understood that the specific structure of the positioning structure is not limited to the structure of the above description and the structure of the snap 423 shown in the drawings, which is engaged with the snap groove 226, and other reasonable positioning structures may be adopted.

It is understood that water spreader plate 421 can also be secured directly to the front side of spray element 220.

The other structures of the second embodiment are the same as those of the first embodiment, and are not described in detail here.

EXAMPLE III

Referring to fig. 9, in this embodiment, in order to prevent the dirt on the scrub roller 100 from accumulating in the cleaning dead space of the installation cavity 110, the front surface of the water distribution plate 421 is provided with a plurality of protrusions 424 which are uniformly spaced and contact with the scrub roller 100 in an interference manner. Preferably, the protrusion 424 is disposed on the mating surface 422.

When cleaning roller 100 rotated, protruding 424 scraped cleaning roller 100 and swept, can effectively got rid of filiform dirty and other filths of winding on cleaning roller 100, avoided the filth to accumulate the washing dead angle position of installation cavity 110, also avoided the filth winding to lead to cleaning roller card dead epaxial at cleaning roller 100 both ends.

The other structures of the third embodiment are the same as those of the second embodiment, and are not described herein again.

Example four

Referring to fig. 10, in the present embodiment, the water uniforming member 420 is an elastic wiper strip 425, and the elastic wiper strip 425 is preferably fixed to the bottom wall of the front cover 320. The elastic wiper strip 425 is positioned on the top side of the installation cavity 110, and the bottom side of the elastic wiper strip 425 is in interference contact with the cleaning roller 100. The elastic wiper strip 425 is preferably arranged wide at the top and narrow at the bottom, and the contact point between the wiper strip 420 and the cleaning roller 100 is the contact position between the bottom side of the elastic wiper strip 425 and the cleaning roller 100, as shown by the point F in fig. 10, and the angle formed by the straight line FC and the straight line QC is the angle α, and the angle α is preferably set to 85 °.

It is understood that the included angle α may also be set to other reasonable angle values of 40 °, 45 °,50 °, 55 °, 60 °, 65 °, 70 °, 75 °, 80 °, 85 °, 90 °, and so on.

The other structures of the fourth embodiment are the same as those of the first embodiment, and are not described in detail here.

EXAMPLE five

Referring to fig. 11, in the present embodiment, the water uniforming member 420 is disposed lower than the pressing member 410, the water uniforming member 420 and the pressing member 410 are respectively disposed at the front and rear sides of the scrub roller 100, and the water uniforming member 420 is fixed to the inner wall of the front cover 320.

It is understood that the wiper strip 420 may be an elastomeric wiper strip or a rigid wiper strip.

The other structures of the fifth embodiment are the same as those of the first embodiment, and are not described in detail here.

In addition to the above preferred embodiments, the present invention has other embodiments, and those skilled in the art can make various changes and modifications according to the present invention without departing from the spirit of the present invention, which should fall within the scope defined by the appended claims.

Claims (10)

1. The utility model provides a moist effectual surface cleaning device, including the scrubbing brush that has the installation cavity, rotatable cleaning roller of locating in the installation cavity and be used for providing the confession liquid subassembly of cleaning solution to the cleaning roller, its characterized in that, be equipped with on the inner wall of installation cavity along extrusion spare and the even water spare of interval distribution around the cleaning roller direction of rotation, the surface confession liquid that the confession liquid subassembly lies in between extrusion spare and the even water spare on to the cleaning roller, the contact magnitude of interference between extrusion spare and the cleaning roller is greater than the contact magnitude of interference between even water spare and the cleaning roller to make and form the even water district that makes the even moist cleaning roller of cleaning solution between extrusion spare and even water spare.

2. A surface cleaning apparatus having improved wetting characteristics according to claim 1 wherein the spreader is positioned higher than the extrusion.

3. A surface cleaning apparatus having a high wetting effect according to claim 2, wherein an angle α of 3 ° or more and 90 ° or less is formed between the contact point of the water uniforming member and the cleaning roller and the contact point of the pressing member and the cleaning roller with respect to the center of the cleaning roller as a vertex.

4. A surface cleaning apparatus having improved wetting properties according to claim 2 wherein said water spreader is an elastomeric wiper strip; alternatively, the water uniforming member is integrally formed with the extrusion member.

5. The surface cleaning device with good wetting effect as claimed in claim 2, wherein the water homogenizing member is a water homogenizing plate arranged facing the cleaning roller, the bottom end of the water homogenizing plate is in interference contact with the cleaning roller, and the water homogenizing area is arranged between the bottom end of the water homogenizing plate and the extrusion member.

6. A surface cleaning apparatus having improved wetting characteristics as claimed in claim 5, wherein the front surface of the water distribution plate is provided with a plurality of protrusions which are evenly spaced and which are in interference contact with the cleaning roller.

7. A surface cleaning apparatus having a high wetting effect according to claim 5 wherein the water distribution plate is rotatably connected to the liquid supply assembly and a positioning structure is provided between the water distribution member and the liquid supply assembly to stabilize the water distribution plate.

8. A surface cleaning apparatus having a high wetting effect according to claim 1, wherein the water uniforming member is provided lower than the pressing member, and the water uniforming member and the pressing member are respectively provided on front and rear sides of the cleaning roller.

9. The surface cleaning device with good wetting effect as claimed in claim 1, wherein the floor brush comprises a casing and a front cover, the front cover is detachably connected to the front side of the casing and is matched with the casing to form a mounting cavity, and the water distributing member is arranged on the front cover.

10. A surface cleaning apparatus having a high wetting effect according to claim 1, wherein the liquid supply unit includes a tank for containing the cleaning liquid, a liquid ejecting member connected to the tank, and a water pump for pumping the cleaning liquid in the tank to the liquid ejecting member, the liquid ejecting member being disposed to face the cleaning roller.

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