CN218128401U - Surface cleaning apparatus and cleaning system - Google Patents

Abstract

The utility model relates to a surface cleaning equipment and clean system, clean system includes the base, surface cleaning equipment has the automatically cleaning mode. The surface cleaning apparatus includes a cleaning head for cleaning a surface and a body rotatably connected to the cleaning head. The body is provided with a command input device, and when the cleaning head is located on or away from the base, the command input device can start the self-cleaning mode. The surface cleaning equipment can start the self-cleaning mode through the command input device no matter whether the surface cleaning equipment is placed on the base or not, so that self-cleaning is performed anytime and anywhere, and self-cleaning efficiency is improved.

Description

Surface cleaning apparatus and cleaning system

Technical Field

The utility model relates to a cleaning device technical field especially relates to a surface cleaning device and cleaning system.

Background

The surface cleaning apparatus includes a cleaning head for cleaning a surface and a body rotatably connected to the cleaning head. When the user uses the surface cleaning apparatus, the cleaning head is moved by operating the main body, thereby cleaning different surfaces. The cleaning head includes a rotatable roller brush that wipes across the surface by rotation of the roller brush to effect surface cleaning. The surface cleaning apparatus adds a self-cleaning function because the roller brush is difficult to clean, however, the self-cleaning function can only be performed after the surface cleaning apparatus has completed cleaning and is placed on the base. Obviously, the self-cleaning mode can cause that the rolling brush cannot be cleaned in time, and after too much garbage is left on the rolling brush, the surface cleaning equipment is difficult to clean the surface of the rolling brush through the self-cleaning function, so that the self-cleaning efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

In this respect, a surface cleaning apparatus is provided which aims to improve the self-cleaning efficiency of the surface cleaning apparatus.

A surface cleaning apparatus for a cleaning system, the cleaning system including a base, the surface cleaning apparatus having a self-cleaning mode, the surface cleaning apparatus comprising:

a cleaning head for cleaning a surface; and

the self-cleaning machine comprises a machine body, wherein the machine body is rotationally connected with the cleaning head, the machine body is provided with an instruction input device, and when the cleaning head is located on or leaves the base, the instruction input device can start the self-cleaning mode.

In one embodiment, the body includes:

a rechargeable battery; and

the controller is electrically connected with the command input device and the rechargeable battery respectively, and when the cleaning head is positioned on the base and the command input device starts the self-cleaning mode; the controller may control the self-cleaning mode to be performed after the base charges the rechargeable battery, or the self-cleaning mode to be performed while the base charges the rechargeable battery.

In one embodiment, the cleaning head comprises:

a cleaning member including a support cylinder, a plurality of bristle tufts, and a flexible cleaning layer, the bristle tufts and the flexible cleaning layer both being disposed on the support cylinder, the flexible cleaning layer being disposed between the bristle tufts; wherein, the support cylinder is of a solid structure.

In one embodiment, the body includes:

the cleaning head comprises a machine body base body, a cleaning head and a cleaning head, wherein the machine body base body is rotationally connected with the cleaning head and is provided with a front side and a rear side, and the rear side is the side back to the cleaning head;

the recycling box is arranged on the front side of the machine body base body and used for collecting dirt;

the liquid supply tank is arranged on the front side or the rear side of the machine body base body and used for storing cleaning liquid; and

and the rechargeable battery is arranged in the machine body base body, is positioned above the recycling box and is positioned on the front side of the machine body base body.

In one embodiment, the body includes:

the cleaning head comprises a body base body, the body base body is rotatably connected with the cleaning head and comprises a body shell and an electric connection assembly, the electric connection assembly is arranged in the body shell and is provided with an electric connection part which is arranged in a telescopic mode, and at least part of the electric connection part extends out of the body shell; and

the recycling box is arranged on the machine body base body and used for collecting dirt, the recycling box comprises a conductive piece, and the conductive piece is abutted to the power connection portion.

In one embodiment, the power receiving assembly includes:

the electric connection part is limited in the machine body shell, and the electric connection part is formed on the electric connection part; and

the first elastic piece is compressed between the machine body shell and the electric connection piece and can stretch up and down.

In one embodiment, the body includes:

the machine body base body is rotationally connected with the cleaning head and provided with a matching structure; and

the collection box, the collection box is located on the fuselage base member for collect the filth, the collection box includes box and switch structure, switch structure locates the top of box, can with cooperation structure cooperation or separation, and make the collection box installation or dismantle in the fuselage base member.

In one embodiment, the switch structure comprises a pressing piece and a second elastic piece, wherein the pressing piece is limited on the box body, the second elastic piece is connected between one end of the pressing piece and the box body, and the other end of the pressing piece and the outer side wall of the box body form a groove; the matching structure is a protrusion which is inserted into the groove; the pressing piece is provided with a pressing part, and the pressing part is used for pressing operation so that the other end of the pressing piece contracts and is separated from the bulge.

In one embodiment, the cleaning head comprises:

the bottom shell structure is rotatably connected with the machine body;

a cleaning member disposed in the bottom shell structure; and

the surface cover structure covers the bottom shell structure and is positioned above the cleaning piece; the front wall is matched with the front side of the cleaning piece, the connecting wall is connected between the front wall and the bottom shell structure, the rear side of the cleaning piece is arranged in a clearance mode through the face cover structure, and a clearance space is formed between the connecting wall and the rear side of the cleaning piece.

In one embodiment, the contact depth of the front wall and the cleaning piece is gradually increased from top to bottom, or the inner surface of the front wall, which is in contact with the cleaning piece, is in an arc shape, and the curvature radius of the arc-shaped inner surface of the front wall, which is in contact with the cleaning piece, is gradually reduced from top to bottom.

In one embodiment, the cleaning head comprises:

the bottom shell structure is rotatably connected with the machine body, and a matching groove is formed in the side wall of the bottom shell structure;

a cleaning member disposed in the bottom shell structure; and

the lifting handle is arranged at one end of the cleaning piece and is accommodated in the matching groove; wherein the height of the handle is less than the depth of the matching groove.

A cleaning system comprising a surface cleaning apparatus and a cleaning apparatus, the surface cleaning apparatus being as described above, the surface cleaning apparatus being provided with a recovery device for recovering dirt, the controller being electrically connected to the recovery device;

the base includes:

the surface cleaning device comprises a shell, a cleaning piece and a cleaning head, wherein the shell is provided with an air outlet which is arranged corresponding to the cleaning piece of the surface cleaning device; and

the drying device is arranged in the shell and provided with an air outlet used for outputting drying airflow, and the air outlet is arranged corresponding to the air outlet;

the surface cleaning device is provided with a drying mode, and when the drying mode is executed, the controller can control the drying device in the base to work, control the cleaning piece to rotate and close the recovery device.

The surface cleaning equipment can start the self-cleaning mode by operating the instruction input device whether the surface cleaning equipment is placed on the base or not, and self-cleaning is carried out anytime and anywhere, so that a cleaning piece of the surface cleaning equipment is cleaned in time, and the self-cleaning efficiency is improved.

Drawings

FIG. 1 is a cross-sectional view of a cleaning system in an embodiment of the present invention;

FIG. 2 is a schematic view of the surface cleaning apparatus of the cleaning system of FIG. 1 with the recovery tank removed;

FIG. 3 is a block diagram of a surface cleaning apparatus of the cleaning system of FIG. 1;

FIG. 4 is a cross-sectional view of a cleaning head of the surface cleaning apparatus of the cleaning system of FIG. 1;

FIG. 5 is a schematic view of the cleaning head of FIG. 4 with the face cover structure removed;

FIG. 6 is a schematic view of the cleaning elements and handle of the cleaning head of FIG. 5;

FIG. 7 is a cross-sectional view of the cleaning head of FIG. 5;

FIG. 8 is an enlarged view of area A of the cleaning head of FIG. 7;

FIG. 9 is a cross-sectional view of the face cap construction of the cleaning head of FIG. 4;

figure 10 is an enlarged view of region B of the cleaning head of figure 4;

FIG. 11 is an enlarged view of area C of the cleaning system of FIG. 1;

figure 12 is an enlarged view of region D of the cleaning system of figure 2.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless explicitly defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be interconnected within two elements or in a relationship where two elements interact with each other unless otherwise specifically limited. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

In the present application, unless expressly stated or limited otherwise, a first feature "on" or "under" a second feature may be directly contacting the second feature or the first and second features may be indirectly contacting the second feature through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. As used herein, the terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like are for purposes of illustration only and do not denote a single embodiment.

Referring to fig. 1 to 3, fig. 1 is a sectional view of a cleaning system according to an embodiment of the present invention, fig. 2 is a schematic structural view of a surface cleaning apparatus of the cleaning system of fig. 1 when a recycling bin is removed, and fig. 3 is a block diagram of the surface cleaning apparatus of the cleaning system of fig. 1. An embodiment of the present invention provides a cleaning system 100, which includes a surface cleaning apparatus 200 and a base 300, wherein the surface cleaning apparatus 200 can be placed on and supported by the base 300. The surface cleaning apparatus 200 is used to clean a surface, and may be dry or wet cleaned depending on the surface, which may be, but is not limited to, the surface of a floor, carpet, tile, etc. The base 300 is used to maintain the surface cleaning apparatus 200 and may provide at least a charging function for the surface cleaning apparatus 200.

In terms of hardware, the surface cleaning apparatus 200 includes a controller 210, a cleaning device 220, a liquid supply device 230, a recovery device 240, and a power supply 250, wherein the controller 210 is electrically connected to the cleaning device 220, the liquid supply device 230, the recovery device 240, and the power supply 250, respectively. Wherein the cleaning device 220 includes the cleaning members 202 and the power source 250 includes a rechargeable battery 252. The base 300 includes a charging circuit (not shown) that is capable of charging the power supply 250 of the surface cleaning apparatus 200, i.e., providing a charging current and a charging voltage to the rechargeable battery 252.

Referring to fig. 1, the base 300 structurally includes a housing 310 and a drying device 320, and the drying device 320 is disposed in the housing 310. The housing 310 is provided with a cleaning tank (not shown) and an air outlet (not shown), and the cleaning tank is communicated with the air outlet. Wherein, the cleaning tank is used for accommodating at least part of the cleaning piece 202, and the air outlet is arranged corresponding to the cleaning piece 202. The drying device 320 has an air outlet (not shown) for outputting a drying airflow, and the air outlet is disposed corresponding to the air outlet, so that the drying airflow can sequentially pass through the air outlet and be output to the cleaning member 202 on the cleaning tank.

Further, the drying device 320 includes a fan 322, an electric heating module 324, and an air duct 326, the air duct 326 communicates the fan 322 and the electric heating module 324, and an air outlet is formed at the end of the air duct 326. The airflow generated by the fan 322 is heated by the electric heating module 324 to form a drying airflow, and the drying airflow is output through the air outlet at the end of the air duct 326.

The surface cleaning apparatus 200 has at least a surface cleaning mode, a self-cleaning mode, a charging mode, and a drying mode, it being understood that the self-cleaning mode, the charging mode, and the drying mode may be performed separately or simultaneously.

When the surface cleaning mode is performed, the controller 210 controls the liquid supply device 230 to supply the cleaning member 202 of the cleaning device 220 with the cleaning liquid to wet the cleaning member 202; and controls the cleaning device 220 to operate, and further controls the cleaning member 202 of the cleaning device 220 to rotate, so that the user moves the surface cleaning apparatus 200 to clean the floor; meanwhile, the recycling device 240 is controlled to work to suck and recycle the dirt generated by cleaning the floor, including but not limited to hair, debris, dust, mud, dirty liquid and the sewage generated by cleaning, so as to achieve the effect of cleaning the floor.

When the self-cleaning mode is executed, the controller 210 controls the liquid supply device 230 to operate to wet the cleaning member 202; controlling the cleaning device 220 to work to control the cleaning member 202 to rotate, so that the dirt on the cleaning member 202 is scraped or thrown away under the cooperation of the surface cover structure of the surface cleaning device; and controls the operation of the recovery device 240 to collect contaminants generated during the self-cleaning process of the cleaning members 202.

When the charging mode is performed, the surface cleaning apparatus 200 is positioned on the base 300, a charging electrode (not shown) of the surface cleaning apparatus 200 is docked with a charging electrode (not shown) of the base 300, and the controller 210 controls a charging circuit of the base 300 to charge the rechargeable battery 252. The charging electrode of the surface cleaning apparatus 200 is electrically connected to the rechargeable battery 252, and the charging electrode of the base 300 is electrically connected to the charging circuit. The surface cleaning apparatus 200 and the base 300 may communicate via a charging electrode or an infrared sensor or wireless communication, and the controller 210 may control the base 300 to perform a corresponding function.

When the drying mode is executed, the controller 210 can control the drying device 320 in the base 300 to operate, that is, control the electric heating module 324 to heat the air in the air duct 326, and control the fan 322 to operate to generate an air flow, so that the heated air flow is sequentially blown out from the air outlet and the air outlet onto the surface of the cleaned cleaning member 202, and the cleaning member 202 is dried, thereby preventing the cleaning member 202 from mildewing. In order to dry the cleaning members 202 more quickly, the controller 210 controls the cleaning device 220 to operate to drive the cleaning members 202 to rotate and controls the recycling device 240 to be turned off during the drying process, and the recycling device 240 at least comprises a negative pressure source or a fan for generating negative pressure to prevent the recycling device 240 from sucking heated air away.

With reference to fig. 1 and 2, the surface cleaning apparatus 200 structurally includes a cleaning head 260 for cleaning a surface and a body 270, the body 270 being rotatably coupled to the cleaning head 260. The body 270 is provided with a command input device 280 electrically connected to the controller 210, and the command input device 280 is capable of activating the self-cleaning mode when the cleaning head 260 is located on or away from the base 300.

When the cleaning head 260 is positioned on the base 300, the user operates the command input device 280 to start the self-cleaning mode, and the controller 210 controls the surface cleaning apparatus 200 to perform the self-cleaning mode according to the received command, so that the self-cleaning effect of the cleaning members 202 is better under the cooperation of the cleaning tank of the base 300. The user may also operate the command input device 280 to activate the self-cleaning mode when the cleaning head 260 is not on the base 300, and the controller 210 may also control the surface cleaning apparatus 200 to implement the self-cleaning mode in accordance with the received command. Therefore, no matter whether the surface cleaning apparatus 200 is placed on the base 300, the user can start the self-cleaning mode by operating the command input device 280, and perform the self-cleaning operation anytime and anywhere, so as to clean the cleaning member 202 in time, thereby improving the self-cleaning efficiency.

The body 270 includes a body base 271. The body base 271 includes a hand piece 272 and a body case 273, one end of the body case 273 is connected to the hand piece 272, and the other end of the body case 273 is rotatably connected to the cleaning head 260. The hand piece 272 is used for the user to operate the surface cleaning apparatus 200, and the body housing 273 is used for mounting the controller 210, part or all of the structure of the liquid supply device 230, part or all of the structure of the recovery device 240, and the rechargeable battery 252.

In this embodiment, the instruction input device 280 is disposed on the hand piece 272 in order to facilitate the user to operate the instruction input device 280. It should be noted that in other embodiments, the command input device 280 may be disposed on the body housing 273 or on the cleaning head 260.

Further, the hand piece 272 includes a holding portion 272a and a connecting portion 272b, the connecting portion 272b is connected between the holding portion 272a and the body housing 273, the holding portion 272a is used for being held by a user to operate the surface cleaning apparatus 200, the instruction input device 280 is disposed on the holding portion 272a, and the user can operate the instruction input device 280 while operating the holding portion 272a, so as to start the self-cleaning mode.

In this embodiment, the command input device 280 is a self-cleaning button, which may be a mechanical button or a touch button, and the user can start the self-cleaning mode by pressing the self-cleaning button. The grip 272a is further provided with a power button (not numbered) for switching on and off the surface cleaning apparatus 200, a cleaning button (not numbered) for activating the surface cleaning mode, and other function buttons (not numbered) for activating other modes. It is understood that in other embodiments, the command input device 280 may be a touch screen, which displays a virtual key, and the self-cleaning mode is activated by clicking the virtual key; the command input device 280 may also be a power button, a cleaning button, or other function button, and the self-cleaning mode may be activated by a long press of the power button, cleaning button, or other function button.

When the cleaning head 260 is located on the base 300 and the command input device 280 activates the self-cleaning mode, the controller 210 can control the base 300 to perform the self-cleaning mode after the rechargeable battery 252 is charged by the base 300, so as to avoid the situation that the remaining capacity of the rechargeable battery 252 is insufficient to complete the whole self-cleaning process. The charging time of the rechargeable battery 252 can be controlled by setting a preset time T0, the preset time T0 can be set according to the amount of electricity required for completing the self-cleaning, and the preset time T0 can be 5s, 10s, even 15min, 20min, or more than 30 min. It should be noted that in other embodiments, when the cleaning head 260 is located on the base 300 and the command input device 280 activates the self-cleaning mode, the controller 210 may control the base 300 to charge the rechargeable battery 252 while the self-cleaning mode, i.e. self-cleaning while charging, is performed.

Referring to fig. 4 to 6, fig. 4 shows a cross-sectional view of a cleaning head of a surface cleaning device of a cleaning system in the present embodiment, fig. 5 shows a schematic structural view of the cleaning head in fig. 4 when a face cover structure is removed, fig. 6 shows a schematic structural view of a cleaning member and a handle of the cleaning head in fig. 5, the cleaning head 260 includes a bottom case structure 261 and a face cover structure 262, and the face cover structure 262 covers the bottom case structure 261. Wherein the bottom shell structure 261 is rotatably connected with the body housing 273, thereby realizing the rotatable connection of the body 270 and the cleaning head 260.

The cleaning device 220 is disposed on the bottom shell structure 261 of the cleaning head 260 as part of the cleaning head 260. The cleaning device 220 also includes a drive assembly coupled to the cleaning members 202 for driving rotation of the cleaning members 202. Wherein, the cleaning member 202 is detachably mounted in the bottom shell structure 261 and located between the bottom shell structure 261 and the surface cover structure 262, the cleaning member 202 is also called a cleaning roller, a roller type cleaning member, a rolling brush or a roller brush, and usually has one or more combinations of fluff, bristles and cleaning cloth on its surface for scrubbing the floor. The drive assembly is mounted in a bottom housing structure 261.

Further, the driving assembly includes a motor (not shown) and a transmission assembly (not shown) respectively connected to a rotating shaft of the motor and the cleaning member 202. The shaft of the motor rotates to transmit torque to the drive assembly, which outputs torque to the cleaning members 202 to drive the cleaning members 202 to rotate. The transmission assembly may be, without limitation, a gear transmission assembly (reduction gearbox) or a belt transmission assembly. The motor is electrically connected to the controller 210, that is, the controller 210 can control the rotation of the motor, so as to control the rotation speed and the rotation direction of the cleaning member 202.

Further, the cleaning member 202 includes a support cylinder 204, a plurality of bristle bundles 206, and a flexible cleaning layer 208, the bristle bundles 206 and the flexible cleaning layer 208 being disposed on the support cylinder 204, the flexible cleaning layer 208 being disposed between the bristle bundles 206. The supporting cylinder 204 is a solid structure, the bristle bundles 206 extend outward from the supporting cylinder 204, the flexible cleaning layer 208 surrounds the outside of the supporting cylinder 204, and the material of the flexible cleaning layer 208 may be, but is not limited to, flannelette.

Referring to fig. 7 and 8 in combination with fig. 5, fig. 7 shows a cross-sectional view of the cleaning head of fig. 5, fig. 8 shows an enlarged view of the area a of the cleaning head of fig. 7, a handle 209 is disposed at one end of the cleaning member 202, a mating groove 263 is disposed on a side wall of the bottom case structure 261, the cleaning member 202 is disposed in the bottom case structure 261, the handle 209 is received in the mating groove 263, wherein the height of the handle 209 is less than the depth of the mating groove 263. Because the top end of the handle 209 does not extend out of the matching groove 263, that is, the top surface of the handle 209 is lower than the top surface of the matching groove 263, the pressure of the surface cover structure 262 is not applied to the handle 209, the handle 209 is protected, and the service life of the handle 209 is prolonged.

Further, the opening of the mating groove 263 is formed on the top surface of the sidewall of the bottom case structure 261, and when the handle 209 is mounted in the mating groove 263 of the bottom case structure 261, the top surface of the handle 209 is lower than the top surface of the sidewall of the bottom case structure 261, so that the top surface of the handle 209 is discontinuous with the top surface of the sidewall of the bottom case structure 261. Wherein, the distance h between the top surface of the handle 209 and the top surface of the side wall is 1 mm-10 mm. A position pinching convex structure is arranged at the bottom of the handle 209 and is matched with a position pinching groove arranged at the bottom of the matching groove 263, so that the cleaning piece 202 and the handle 209 are firmly fixed on the side wall.

Referring to fig. 9 and 10, fig. 9 shows a cross-sectional view of the face cover structure of the cleaning head of the surface cleaning apparatus of the present embodiment, fig. 10 shows a partial enlarged view of the cleaning head of the surface cleaning apparatus of the present embodiment, the face cover structure 262 is located above the cleaning member 202, the face cover structure 262 includes a front wall 264 and a connecting wall 265, the front wall 264 is disposed to fit with the front side of the cleaning member 202, the connecting wall 265 is connected between the front wall 264 and the bottom case structure 261, the face cover structure 262 is fixed on the bottom case structure 261 by the connecting wall 265, the face cover structure 262 is disposed to be spaced from the rear side of the cleaning member 202, and a space is formed between the connecting wall 265 and the rear side of the cleaning member 202. In order to observe the working state and the cleanness of the cleaning member 202 (the roller brush), the surface cover structure 262 needs to be a transparent cover structure so as to observe the working condition of the roller brush, and the cleanness of the surface cover structure 262 is important for timely observing and maintaining and cleaning the roller brush. Compare in prior art's face lid structure 262 and need set up the antetheca and enclose the synthetic accommodation space who holds the cleaning member round brush jointly with the back wall, the face lid structure 262 of this application has cancelled the back wall structure to realize that the round brush avoids the back wall of face lid structure 262 to be infected with the dirt that the round brush threw away at the in-process of up-going motion lifting, avoids causing rubbish to pile up at the back wall of face lid structure 262. The front wall 264 is positioned in surface contact with the surface of the cleaning members 202 to keep the inner side of the surface cover 262 clean because the surface contacting cleaning members 202 can scrape off the surface cover 262 in real time along the moving direction of the cleaning members 202 without leaving dirt on the surface cover 262, keeping the surface cover 262 and the surface of the cleaning members 202 clean. The arrangement of the surface cover structure 262 on the rear side of the cleaning element 202, i.e. the surface cover structure 262 eliminates the rear wall, can prevent the dirt from being contaminated and remaining on the rear wall of the surface cover structure 262.

Further, the contact depth of the front wall 264 of the surface cover structure 262 and the cleaning piece 202 is gradually increased from top to bottom, that is, the surface cover structure 262 performs surface interference on the cleaning piece 202, and the contact depth (interference depth) is gradually increased, so that the sewage on the surface of the rolling brush can be extruded in time, and the effect of scraping the rolling brush is achieved. In other embodiments, the contact surface of the front wall 264 of the face cover structure 262 interfering with the surface of the cleaning members 202 is arc-shaped, that is, the front wall 264 of the face cover structure 262 has an arc-shaped inner surface with a gradually decreasing radius of curvature from top to bottom, so that the interference depth of the face cover structure 262 with the cleaning members 202 is gradually increased.

Referring to fig. 1 and 2, the liquid supply device 230 includes a liquid supply tank 232, a liquid pump (not shown), and a liquid supply member (not shown), wherein the liquid supply tank 232 is connected to the liquid pump through a pipeline, and the liquid pump is also connected to the liquid supply member through a pipeline. The liquid supply tank 232 stores cleaning liquid therein. The liquid pump may pump liquid from the liquid supply tank 232 to the liquid supply. The liquid supply member is provided with a liquid outlet (not shown) disposed corresponding to the cleaning member 202, and the liquid outlet can output the liquid onto the cleaning member 202. The liquid pump is electrically connected to the controller 210, that is, the controller 210 can control the on/off of the liquid pump and the output flow rate. The liquid pump may be, but is not limited to, a peristaltic pump. Generally, the fluid supply tank 232 is disposed on the body housing 273, the fluid pump is also disposed within the body housing 273, and the fluid supply is disposed on the bottom shell structure 261. In other embodiments, the supply tank 232 or the liquid pump may be disposed on the bottom shell structure 261.

The recovery device 240 includes a negative pressure source 241, a recovery tank 242, and a recovery passage 243, wherein the negative pressure source 241 is in communication with the recovery tank 242, the recovery tank 242 is in communication with the recovery passage 243, and the recovery passage 243 has a recovery inlet (not shown) provided corresponding to the cleaning member 202. The negative pressure source 241 operates to suck air in the recovery tank 242, so that a negative pressure is formed at the recovery inlet of the recovery passage 243, and the contaminants lifted up by the cleaning member 202 are sucked into the recovery passage 243 through the recovery inlet and then enter the recovery tank 242 through the recovery passage 243. The negative pressure source 241 is electrically connected to the controller 210, that is, the controller 210 can control the start or stop and the rotation speed of the negative pressure source 241, so as to control the suction force of the recycling device 240. The negative pressure source 241 is a fan assembly. Generally, the negative pressure source 241 is disposed in the body case 273, the recycling bin 242 is disposed on the body case 273, a part of the recycling channel 243 is disposed on the bottom case structure 261, and another part is disposed on the body case 273. In other embodiments, the negative pressure source 241 or the recycling bin 242 may also be disposed on the bottom case structure 261.

In this embodiment, the body base 271 has a front side and a rear side, the rear side being the side facing away from the cleaning head 260. The recovery tank 242 is provided on the front side of the body base 271, the liquid supply tank 232 is provided on the rear side of the body base 271, and the rechargeable battery 252 is provided in the body base 271 above the recovery tank 242 and on the front side of the body base 271. Specifically, the recovery tank 242 and the liquid supply tank 232 are both provided on the body case 273 and are detachable from the body case 273. The rechargeable battery 252 is disposed within the body housing 273. It should be noted that in other embodiments, the recovery tank 242 and the supply tank 232 may be replaced with an integral tank having two isolated chambers, one for storing cleaning liquid and one for collecting contaminants. The integral sump may be provided on the body housing 273 or the bottom shell structure 261.

Referring to fig. 11 and 12 in conjunction with fig. 1 and 2, fig. 11 shows a partial enlarged view of the cleaning system in fig. 1, fig. 12 shows a partial enlarged view of the cleaning system in fig. 2, the main body 271 further includes a power receiving assembly 274, the power receiving assembly 274 is disposed in the main body case 273, the power receiving assembly 274 has a retractable power receiving portion 275, and at least a portion of the power receiving portion 275 extends out of the main body case 273. The recovery tank 242 includes a conductive member 244, and the conductive member 244 abuts against the electrical connection part 275. The power connection assembly 274 is electrically connected to the conductive member 244, and the conductive member 244 is used for detecting the water level of the sewage in the recycling bin 242 to remind a user to clean the sewage. Due to the fact that the electric connection parts 275 are arranged in a telescopic mode, the electric connection parts 275 can be well contacted with the conductive parts 244, and the problem of poor electric contact caused by abrasion is avoided.

The electric connection component 274 comprises an electric connection piece 276 and a first elastic piece 277, the electric connection piece 276 is limited in the body shell 273, and an electric connection part 275 is formed on the electric connection piece 276. The first elastic member 277 is compressed between the body housing 273 and the electric connecting member 276, and is retractable up and down. Conductive member 244 is a conductive reed.

The body base 271 is provided with a mating structure 278. Recovery tank 242 includes a tank body 245 and a switch structure 246, switch structure 246 being disposed on top of tank body 245 and being engageable with or disengageable from engagement structure 278 to allow recovery tank 242 to be attached to or detached from fuselage base 271. The user can remove the recovery tank 242 by operating the switch structure 246. When the recovery tank 242 is mounted, the recovery tank 242 is positioned on the body base 271 by the switch structure 246 engaging with the engaging structure 278.

The switch structure 246 comprises a pressing piece 247 and a second elastic piece 248, the pressing piece 247 is limited on the box body 245, the second elastic piece 248 is connected between one end of the pressing piece 247 and the box body 245, and a groove 249 is formed between the other end of the pressing piece 247 and the outer side wall of the box body 245. The mating structures 278 are protrusions that are inserted into the recesses 249. The pressing member 247 has a pressing portion 247a, and the pressing portion 247a is used for pressing operation to contract the other end of the pressing member 247 to be separated from the protrusion. The switch structure 246 realizes the up-and-down movement of the other end of the pressing piece 247 through the second elastic piece 248, and when the groove 249 is formed, the protrusion limits the other end of the pressing piece 247; when the groove 249 is removed, the protrusion is separated from the other end of the pressing member 247, and the stopper function is removed, thereby achieving the detachment and attachment of the recovery tank 242 and the body base 271. Therefore, the switch structure 246 facilitates the user to assemble and disassemble the recycling bin 242, and is easy to operate.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (12)

1. A surface cleaning apparatus for a cleaning system comprising a base, the surface cleaning apparatus having a self-cleaning mode, the surface cleaning apparatus comprising:

a cleaning head for cleaning a surface; and

the self-cleaning machine comprises a machine body, wherein the machine body is rotationally connected with the cleaning head, the machine body is provided with an instruction input device, and when the cleaning head is located on or leaves the base, the instruction input device can start the self-cleaning mode.

2. A surface cleaning apparatus as claimed in claim 1, characterised in that the body comprises:

a rechargeable battery; and

the controller is respectively electrically connected with the command input device and the rechargeable battery, and when the cleaning head is positioned on the base and the command input device starts the self-cleaning mode; the controller may control the base to perform the self-cleaning mode after the base charges the rechargeable battery, or to perform the self-cleaning mode while the base charges the rechargeable battery.

3. A surface cleaning apparatus as claimed in claim 1, characterised in that the cleaning head comprises:

a cleaning member including a support cylinder, a plurality of bristle tufts, and a flexible cleaning layer, the bristle tufts and the flexible cleaning layer both being disposed on the support cylinder, the flexible cleaning layer being disposed between the bristle tufts; wherein, the support cylinder is of a solid structure.

4. A surface cleaning apparatus as claimed in claim 1, characterised in that the body comprises:

the machine body base body is rotationally connected with the cleaning head and is provided with a front side and a rear side, and the rear side is the side back to the cleaning head;

the recycling box is arranged on the front side of the machine body base body and used for collecting dirt;

the liquid supply box is arranged on the front side or the rear side of the machine body base body and used for storing cleaning liquid; and

and the rechargeable battery is arranged in the machine body base body, is positioned above the recycling box and is positioned on the front side of the machine body base body.

5. A surface cleaning apparatus as claimed in claim 1, characterised in that the body comprises:

the cleaning head comprises a body base body, the body base body is rotatably connected with the cleaning head and comprises a body shell and an electric connection assembly, the electric connection assembly is arranged in the body shell and is provided with an electric connection part which is arranged in a telescopic mode, and at least part of the electric connection part extends out of the body shell; and

the recycling bin is arranged on the body base body and used for collecting dirt, the recycling bin comprises a conductive piece, and the conductive piece is abutted to the power connection part.

6. A surface cleaning apparatus as claimed in claim 5, characterised in that the powered assembly comprises:

the electric connection part is limited in the shell of the machine body, and the electric connection part is formed on the electric connection part; and

the first elastic piece is compressed between the machine body shell and the electric connection piece and can stretch up and down.

7. A surface cleaning apparatus as claimed in claim 1, characterised in that the body comprises:

the machine body base body is rotationally connected with the cleaning head and provided with a matching structure; and

the collection box, the collection box is located on the fuselage base member for collect the filth, the collection box includes box and switch structure, the switch structure is located the top of box, can with cooperation structure cooperation or separation, and make the collection box installation or dismantle in the fuselage base member.

8. A surface cleaning apparatus as claimed in claim 7,

the switch structure comprises a pressing piece and a second elastic piece, the pressing piece is limited on the box body, the second elastic piece is connected between one end of the pressing piece and the box body, and a groove is formed between the other end of the pressing piece and the outer side wall of the box body;

the matching structure is a protrusion which is inserted into the groove;

the pressing piece is provided with a pressing part, and the pressing part is used for pressing operation so that the other end of the pressing piece contracts and is separated from the protrusion.

9. A surface cleaning apparatus as claimed in any one of claims 1 to 5, characterised in that the cleaning head comprises:

the bottom shell structure is rotatably connected with the machine body;

a cleaning member disposed in the bottom shell structure; and

the surface cover structure covers the bottom shell structure and is positioned above the cleaning piece;

the front wall is matched with the front side of the cleaning piece, the connecting wall is connected between the front wall and the bottom shell structure, the rear side of the cleaning piece is arranged in a clearance mode through the face cover structure, and a clearance space is formed between the connecting wall and the rear side of the cleaning piece.

10. The surface cleaning apparatus of claim 9, wherein the contact depth of the front wall with the cleaning member is gradually increased from top to bottom, or the inner surface of the front wall in contact with the cleaning member has an arc shape, and the radius of curvature of the arc-shaped inner surface of the front wall in contact with the cleaning member is gradually decreased from top to bottom.

11. A surface cleaning apparatus as claimed in any one of claims 1 to 5, characterised in that the cleaning head comprises:

the bottom shell structure is rotatably connected with the machine body, and a matching groove is formed in the side wall of the bottom shell structure;

a cleaning member disposed in the bottom shell structure; and

the lifting handle is arranged at one end of the cleaning piece and is accommodated in the matching groove;

wherein the height of the handle is less than the depth of the matching groove.

12. A cleaning system comprising a surface cleaning apparatus and a base, wherein the surface cleaning apparatus is as claimed in claim 2, the surface cleaning apparatus is provided with a recovery device for recovering dirt, and the controller is electrically connected to the recovery device;

the base includes:

the surface cleaning device comprises a shell, a cleaning piece and a cleaning head, wherein the shell is provided with an air outlet which is arranged corresponding to the cleaning piece of the surface cleaning device; and

the drying device is arranged in the shell and provided with an air outlet used for outputting drying airflow, and the air outlet is arranged corresponding to the air outlet;

the surface cleaning device is provided with a drying mode, and when the drying mode is executed, the controller can control the drying device in the base to work, control the cleaning piece to rotate and close the recovery device.

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