CN219229774U

CN219229774U - Surface cleaning robot

Info

Publication number: CN219229774U
Application number: CN202320212889.4U
Authority: CN
Inventors: 曾德杰
Original assignee: Lingdu Guangdong Intelligent Technology Development Co Ltd
Current assignee: Lingdu Guangdong Intelligent Technology Development Co Ltd
Priority date: 2023-02-11
Filing date: 2023-02-11
Publication date: 2023-06-23
Anticipated expiration: 2033-02-11

Abstract

The utility model relates to the technical field of cleaning machines, in particular to a surface cleaning robot. The surface cleaning robot includes: the device comprises a chassis, a wiper assembly, a water supply assembly and a sewage recovery assembly, wherein the wiper assembly is connected with the chassis, and at least part of the wiper assembly is contacted with a surface to be cleaned; the water supply assembly is connected with the chassis, is positioned at the front side of the wiper assembly and is suitable for supplying water to the surface to be cleaned; the sewage recovery component is connected with the wiper component and is used for recovering sewage on the surface to be cleaned, which is positioned at the wiper component. The water supply assembly is arranged on the front side of the water scraping assembly, and conveys water to the surface to be cleaned of the front side of the water scraping assembly so as to infiltrate the surface to be cleaned, thereby improving the cleaning effect, avoiding the inconvenience brought by the water supply mode of the external water pipe of the surface cleaning robot and improving the cleaning efficiency. In addition, in the cleaning process, the sewage recovery assembly synchronously recovers sewage near the wiper assembly, so that the dirt residue is reduced, and the cleaning effect is improved.

Description

Surface cleaning robot

Technical Field

The utility model relates to the technical field of cleaning machines, in particular to a surface cleaning robot.

Background

Along with the development of science and technology, surface cleaning robots are gradually popularized, and the design of the surface cleaning robots tends to be more intelligent, so that more convenience is brought to cleaning work.

At present, some surface cleaning robots are provided with scrubbing pieces such as a wiping cloth on a chassis, the wiping cloth is required to be wetted before being used, the robot has the trouble of frequently replacing the wiping cloth or wetting the wiping cloth, and dirt is easy to remain on the surface by adopting a scrubbing mode of the wiping cloth. Therefore, the cleaning efficiency and cleaning effect of such surface cleaning machines are to be optimized.

Disclosure of Invention

The utility model provides a surface cleaning robot which is used for solving the defects of low cleaning efficiency and poor cleaning effect of the surface cleaning robot in the prior art and improving the cleaning efficiency and the cleaning effect of the surface cleaning robot.

The present utility model provides a surface cleaning robot comprising:

a chassis adapted to move over a surface to be cleaned;

a wiper assembly connected to the chassis, at least a portion of the wiper assembly being in contact with the surface to be cleaned, the wiper assembly being spaced apart from the wiper;

A water supply assembly connected with the chassis and located at a front side of the wiper assembly in a forward direction of the surface cleaning robot, the water supply assembly being adapted to supply water to the surface to be cleaned; and

the sewage recovery component is connected with the wiper component and is used for recovering sewage on the surface to be cleaned, which is positioned at the wiper component;

the water supply assembly comprises a plurality of water outlet pieces, a water supply tank and a water supply pump, wherein the water outlet pieces are distributed at intervals along the length direction of the water scraping assembly; the water inlet end of the water supply pump is communicated with the water supply tank, and the water outlet end of the water supply pump is communicated with a plurality of water outlet pieces.

According to the surface cleaning robot provided by the utility model, the water supply assembly further comprises a water outlet distributor, the water outlet distributor is provided with a water inlet end and a plurality of water outlet ends, and the water outlet ends of the water outlet distributor are connected and communicated with the water outlet piece;

the water inlet end of the water supply pump is connected and communicated with the water outlet of the water supply tank, and the water outlet end of the water supply pump is connected and communicated with the water inlet end of the water outlet distributor.

According to the surface cleaning robot provided by the utility model, the side, facing the surface to be cleaned, of the chassis is provided with the wiper, the wiper is suitable for being contacted with the surface to be cleaned, the wiper assembly is spaced from the wiper, and at least one of the front side and the rear side of the wiper assembly is provided with the wiper in the advancing direction of the surface cleaning robot.

According to the present utility model there is provided a surface cleaning robot, the wiper assembly comprising:

the base plate is connected with the chassis, a suction cavity is formed in the base plate, a connecting nozzle and a suction nozzle are arranged on the base plate, the connecting nozzle, the suction nozzle and the suction cavity are all communicated, and the suction nozzle is used for sucking sewage on the surface to be cleaned; and

and one side of the scraping strip is connected with the substrate, and at least the edge of the other side of the scraping strip is suitable for being contacted with the surface to be cleaned.

According to the surface cleaning robot provided by the utility model, the central line of the water outlet piece is arranged in parallel with the surface to be cleaned or is obliquely arranged towards the surface to be cleaned,

and in the direction parallel to the surface to be cleaned, the central lines of the water outlets are arranged in a crossed mode or in a parallel mode.

According to the present utility model, there is provided a surface cleaning robot further comprising:

a walking assembly connected with the chassis, at least part of the walking assembly being in contact with the surface to be cleaned; and

the adsorption component is arranged on the chassis and can enable the chassis to be adsorbed on the surface to be cleaned.

According to the present utility model, there is provided a surface cleaning robot, the suction assembly comprising:

the negative pressure generating device is connected with the chassis;

a suction cup assembly adapted to contact the surface to be cleaned; and

the suction communicating piece is suitable for communicating the sucker assembly with the negative pressure generating device.

According to the present utility model there is provided a surface cleaning robot, the suction cup assembly comprising:

the contact plate is connected with the chassis;

the sealing piece is an annular piece and is positioned between the chassis and the contact plate, the chassis, the sealing piece and the contact plate are sequentially connected and jointly define an adsorption inner cavity, and the adsorption inner cavity is communicated with the adsorption communicating piece.

According to the surface cleaning robot provided by the utility model, the sucker assembly is a sliding vacuum sucker, and the sucker assembly comprises:

the fixing piece is provided with a suction interface;

the movable piece is movable relative to the fixed piece;

the telescopic piece is arranged between the fixed piece and the movable piece, the fixed piece, the telescopic piece and the movable piece are sequentially connected, the fixed piece, the telescopic piece and the movable piece jointly define a first negative pressure inner cavity, and the suction interface is communicated with the first negative pressure inner cavity;

the elastic contact piece, the elastic contact piece is circumference confined annular structure, elastic contact piece one side with the moving part is fixed, the opposite side of elastic contact piece has the smooth surface that pastes with waiting to clean the surface, just the elastic contact piece is equipped with the hollow out construction of its both sides of intercommunication, so that the elastic contact piece with wait to clean the surface laminating after, the elastic contact piece the moving part with wait to clean the surface and define jointly with the second negative pressure inner chamber of first negative pressure inner chamber intercommunication, the moving part has the intercommunication the communication hole of second negative pressure inner chamber.

According to the surface cleaning robot provided by the utility model, the sucker assembly is arranged on one side of the chassis facing the surface to be cleaned, and the negative pressure generating device is communicated with the sucker assembly and is used for sucking air of the sucker assembly so as to enable the sucker assembly to generate negative pressure required by being attached to the surface to be cleaned;

and at least one sucking disc component is arranged on the front side and the rear side of the chassis and the left side and the right side perpendicular to the advancing direction in the advancing direction of the surface cleaning robot.

According to the surface cleaning robot provided by the utility model, the surface cleaning robot further comprises a plurality of anti-falling sensors, wherein the anti-falling sensors are arranged on the chassis and are arranged towards the surface to be cleaned.

According to the present utility model there is provided a surface cleaning robot, the sewage recovery assembly comprising: the water-gas separation power source is arranged in the sewage tank, or is arranged outside the sewage tank and communicated with the sewage tank;

the water-air separation power source is communicated with the suction cavity of the wiper assembly, and generates negative pressure to suck the sewage of the surface to be cleaned at the wiper assembly and deposit the sewage in the sewage tank.

According to the surface cleaning robot provided by the utility model, the water scraping assembly, the sewage recycling assembly and the water supply assembly are arranged on the chassis, and the water supply assembly is positioned at the front side of the water scraping assembly in the advancing direction of the surface cleaning robot. Like this, in the cleaning process, water supply assembly carries water to the surface to be cleaned of scraping the water assembly front side on to soak the surface to be cleaned, thereby improve cleaning effect, avoided the inconvenience that external water pipe water supply mode of surface cleaning robot brought simultaneously, improved cleaning efficiency. In addition, the sewage recycling component is connected with the wiper component, and sewage near the wiper component is synchronously recycled in the cleaning process, so that the stain residue is reduced, and the cleaning effect is improved.

Drawings

In order to more clearly illustrate the utility model or the technical solutions of the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are some embodiments of the utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

FIG. 1 is one of the perspective views of a surface cleaning robot provided by the present utility model;

FIG. 2 is a schematic view of the structure of the surface cleaning robot of the present utility model with the top cover removed, wherein the pipes connecting the components are not shown;

FIG. 3 is a second perspective view of the surface cleaning robot provided by the present utility model;

FIG. 4 is an exploded view of a wiper assembly provided by the present utility model;

FIG. 5 is a cross-sectional view of a substrate of a wiper assembly provided by the present utility model;

FIG. 6 is one of the bottom views of the surface cleaning robot provided by the present utility model;

FIG. 7 is a second bottom view of the surface cleaning robot provided by the present utility model;

FIG. 8 is a third bottom view of the surface cleaning robot provided by the present utility model;

FIG. 9 is a schematic view of the surface cleaning robot of FIG. 6 moving over a surface to be cleaned;

FIG. 10 is one of the schematic top views of the water outlet member being disposed on the chassis;

FIG. 11 is a second schematic top view of the water outlet member disposed on the chassis;

FIG. 12 is a third schematic top view of the water outlet member disposed on the chassis;

FIG. 13 is one of the side views of the water outlet member being disposed on the chassis;

FIG. 14 is a second schematic side view of the water outlet member disposed on the chassis;

fig. 15 is a schematic structural view of the sewage tank provided by the present utility model;

FIG. 16 is one of the cross-sectional views of the suction cup assembly provided by the present utility model;

FIG. 17 is a schematic view of a chuck assembly provided by the present utility model;

FIG. 18 is one of the exploded views of the suction cup assembly provided by the present utility model;

FIG. 19 is a second exploded view of the chuck assembly provided by the present utility model;

FIG. 20 is a schematic illustration of the distribution of the return element of the suction cup assembly on the fixture provided by the present utility model;

FIG. 21 is a schematic view of the structure of the chassis provided by the present utility model;

fig. 22 is a schematic structural view of an elastic contact member of the suction cup assembly provided by the utility model.

Reference numerals:

100. a surface cleaning robot;

110. a chassis; 111. an adhesive member; 112. a fall protection sensor; 113. a power switch;

120. a wiper assembly; 121. a substrate; 1211. a suction lumen; 1212. a connecting nozzle; 1213. a suction nozzle; 1214. a mounting groove; 122. scraping the strip;

130. a water supply pump; 131. a water outlet member; 1311. a water outlet; 132. a water outlet distributor; 133. a water supply tank;

140. a return water connection; 141. a water-gas separation power source; 142. a sewage tank; 1421. a sewage outlet; 1422. a first connection nozzle; 1423. a second connecting nozzle; 1424. a blocking plate;

150. a walking assembly;

160. a noise reduction cylinder; 161. a negative pressure generating device; 162. adsorption communication piece; 163. a contact plate; 164. an adsorption cavity;

170. A top cover; 171. a handle; 172. operating a button; 173. a water injection cover; 174. a water-gas separation power source exhaust hole; 175. a negative pressure generating device exhaust hole;

200. a surface to be cleaned;

100', a suction cup assembly;

110', a securing member'; 111. suction interface'; 112. a first guide part; 1121', a ventilation cavity;

120', a movable member; 121', a fixing groove; 122', a second guide;

130', telescoping member; 131', a first connection portion; 132', a second connection; 133', telescoping portion; 134', glue injection grooves;

140', resilient contacts; 141', a hollowed-out structure;

150', a first connector; 1501', a fastening portion; 151', a second connector;

170', vent holes; 171', communication holes;

180', a reset member;

190', a first negative pressure lumen; 191', a second negative pressure lumen.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The surface cleaning robot of the present utility model is described below with reference to fig. 1 to 22. It is understood that surface cleaning robots include window cleaning robots, curtain wall cleaning robots, floor cleaning robots. The surface cleaning robot chassis is provided with the scraping and washing piece or the scrubbing piece, and the scraping and washing piece or the scrubbing piece is contacted with the surface to be cleaned, so that when the surface cleaning robot walks on the surface to be cleaned, the scraping and washing piece or the scrubbing piece is clung to the surface to be cleaned and is used for cleaning.

The surface cleaning robot 100 according to an embodiment of the present utility model includes: chassis 110, wiper assembly 120, water supply assembly, and wastewater recovery assembly.

Referring to fig. 1 and 2, in particular, the chassis 110 mainly functions as a support structure and a part of the loading surface cleaning robot 100, and the chassis 110 is adapted to move over a surface 200 to be cleaned. The wiper assembly 120 is connected to the chassis 110, at least a portion of the wiper assembly 120 contacts the surface to be cleaned 200, and when the wiper assembly 120 wipes the surface to be cleaned 200, a portion of the wiper assembly 120 contacts the surface to be cleaned 200 and wipes off dirt and sewage on the surface to be cleaned 200.

A water supply assembly is connected to the chassis 110 and is located at a front side of the wiper assembly 120 in a forward direction of the surface cleaning robot 100, the water supply assembly being adapted to supply water to the surface 200 to be cleaned. In the cleaning process, the water supply assembly conveys the cleaning water to the surface 200 to be cleaned on the front side of the wiper assembly 120, and the surface 200 to be cleaned is immersed and then is scraped and washed by the wiper assembly 120, so that the cleaning effect is improved, and meanwhile, the inconvenience brought by the water supply mode of the external water pipe of the surface cleaning robot 100 is avoided.

The water supply assembly includes: a water outlet 131, a water supply tank 133, and a water supply pump 130. The water supply tank 133 may store cleaning water required in the cleaning process, and the water inlet end of the water supply pump 130 communicates with the water supply tank 133 to suck the water in the water supply tank 133. The water outlet member 131 is provided in plurality, and the water outlet members 131 are spaced apart along the length direction of the wiper assembly 120. The water outlet end of the water supply pump 130 communicates with the plurality of water outlet members 131, thereby sucking the cleaning water in the water supply tank 133 to the water outlet members 131. In the length direction of the wiper assembly 120, the plurality of water outlet members 131 are distributed at intervals, and the cleaning water flows out from the plurality of water outlet members 131 and flows to the surface 200 to be cleaned, so that the surface 200 to be cleaned is uniformly infiltrated, the wiper assembly 120 is convenient to scrape stains on the surface 200 to be cleaned, and the cleaning effect of the wiper assembly 120 is improved.

Sewage is continuously generated on the surface 200 to be cleaned in the cleaning process, and in order to avoid pollution of the cleaned surface by sewage, the sewage needs to be recovered in time. The dirty water recovery assembly is connected to the wiper assembly 120 for recovering dirty water on the surface 200 to be cleaned at the wiper assembly 120. Thus, the sewage near the wiper assembly 120 can be synchronously recovered in the cleaning process, so that the residual stains are reduced, and the cleaning effect is improved.

According to the surface cleaning robot 100 of the embodiment of the present utility model, by providing the wiper assembly 120, the sewage recovery assembly, and the water supply assembly on the chassis 110, the water supply assembly is located at the front side of the wiper assembly 120 in the advancing direction of the surface cleaning robot 100. Thus, in the cleaning process, the water supply assembly 120 conveys water to the surface 200 to be cleaned on the front side of the wiper assembly 120 to infiltrate the surface to be cleaned, thereby improving the cleaning effect, avoiding the inconvenience caused by the water supply mode of the external water pipe of the surface cleaning robot 100, and improving the cleaning efficiency. In addition, the sewage recycling component is connected with the wiper component 120, and the sewage near the wiper component 120 is recycled synchronously in the cleaning process, so that the residual stains are reduced, and the cleaning effect is improved.

According to some embodiments of the utility model, the side of the chassis 110 facing the surface 200 to be cleaned is provided with a wiper adapted to contact the surface 200 to be cleaned for scrubbing the surface 200 to be cleaned. The wiper assembly 120 is spaced apart from the wiper member, and at least one of the front side and the rear side of the wiper assembly 120 is provided with the wiper member in the forward direction of the surface cleaning robot 100. For example, when the wiper is disposed on the front side of the wiper assembly 120, the wiper may wipe the surface to be cleaned first during the forward movement of the surface cleaning robot 100, thereby reducing stains on the surface to be cleaned and reducing the probability of slipping of the surface cleaning robot 100 during the movement; and then the surface to be cleaned is scraped by the wiper assembly 120, thereby improving cleaning effect. The wiper assembly 120 can scrape the surface 200 to be cleaned, the wiper can scrub the surface 200 to be cleaned, and the wiper assembly 120 and the wiper cooperate to multiple clean the surface 200 to be cleaned, so as to improve the cleaning effect.

In some embodiments, the wiper may be a fleece and the wiper and chassis 110 may be connected by an adhesive 111. For example, referring to fig. 1, the wiper (not shown) and the chassis 110 may each be provided with an adhesive member 111 at a corresponding location thereon, and the adhesive member 111 may be a velcro, which cooperates to adhere the wiper to the chassis 110. Therefore, when the wiping piece is disassembled, washed and replaced, the wiping piece can be removed, and then a new wiping piece is attached to the corresponding position, so that the installation and the disassembly of the wiping piece are convenient. The wiping piece can be cotton, cloth or other materials which can be used for surface wiping.

Referring to fig. 5, the wiper assembly 120, according to some embodiments of the present utility model, includes: a base plate 121 and a wiper strip 122. Wherein the substrate 121 is connected to the chassis 110. For example, referring to fig. 1 and 4, the chassis 110 is recessed toward a side facing away from the surface 200 to be cleaned to form a connection groove in which the wiper assembly 120 is embedded. Wherein the scraping strip 122 extends out of the connecting groove and contacts the surface 200 to be cleaned; two ends of the base plate 121 are respectively provided with an ear part, the ear parts are provided with through holes, the corresponding positions in the connecting grooves are provided with threaded holes, and the threaded connecting pieces penetrate through the through holes and the threaded holes so as to fixedly connect the base plate 121 with the chassis 110.

Referring to fig. 4 and 5, the substrate 121 has a suction cavity 1211 therein, the substrate 121 is provided with a connecting nozzle 1212 and a suction nozzle 1213, the connecting nozzle 1212, the suction nozzle 1213 and the suction cavity 1211 are all communicated, one end of the suction cavity 1211 away from the surface to be cleaned 200 is communicated with the connecting nozzle 1212, and one end of the suction cavity 1211 close to the surface to be cleaned 200 is communicated with the suction nozzle 1213. The connection nozzle 1212, the suction nozzle 1213 and the suction lumen 1211 form a channel for recycling the sewage, the suction nozzle 1213 is for sucking the sewage on the surface 200 to be cleaned at the wiper assembly 120, and the connection nozzle 1212 may be connected to and communicate with a sewage recycling assembly to recycle the sewage.

Referring to fig. 5 and 9, a mounting groove 1214 is formed on the substrate 121, the mounting groove 1214 is formed along the length direction of the substrate, and one side edge of the scraper 122 is inserted into the mounting groove 1214, so that the scraper 122 is convenient to mount and dismount. The number of the scraping strips 122 may be two, and the two scraping strips 122 are mounted on the substrate 121 at intervals. When the wiper assembly 120 wipes the surface to be cleaned 200, a cavity is formed between the wiper strip 122 and the substrate 121, the surface to be cleaned 200, and the suction nozzle 1213 is positioned in the cavity. In this manner, it is advantageous to collect and recycle the contaminated water generated during the cleaning process of the surface cleaning robot 100.

One side of the wiper strip 122 is connected to the substrate 121, and at least the other side edge of the wiper strip 122 is adapted to contact the surface 200 to be cleaned. When the width of the scraping strip 122 is large or the chassis 110 is close to the surface 200 to be cleaned, the scraping strip 122 is elastically bent, and the contact area with the surface 200 to be cleaned of the scraping strip 122 is increased. Thus, in some embodiments, the wiper strip 122 may be rotatable relative to the chassis 110 in order to avoid damage to the wiper strip 122 from excessive bending and to reduce resistance of the wiper strip 122 to movement of the surface cleaning robot 100. For example, referring to fig. 4 and 5, a cylindrical structure may be disposed at a portion where the wiper strip 122 is connected to the base plate 121, and correspondingly, a mounting groove matched with the cylindrical structure is disposed on the base plate 121, and the cylindrical structure may rotate in the mounting groove, so that the wiper strip may rotate relative to the chassis 110. Of course, it is also possible to connect the wiper assembly 120 as a whole rotatably to the chassis 110.

It will be appreciated that in the forward direction of the wiper assembly 120, the side edge of the front wiper strip 122 that contacts the surface 200 to be cleaned is provided with a plurality of notches to facilitate the flow of sewage into the cavity.

Referring to fig. 2, according to some embodiments of the present utility model, the water supply assembly further includes a water outlet distributor 132, wherein the water outlet distributor 132 is provided with a water inlet end and a plurality of water outlet ends, and the water outlet ends of the water outlet distributor 132 are connected and communicated with the water outlet member 131. The water inlet end of the water supply pump 130 is connected to and communicates with the water outlet of the water supply tank 133, and the water outlet end of the water supply pump 130 is connected to and communicates with the water inlet end of the water outlet distributor 132.

The water supply tank 133 is used for storing cleaning water, and the water supply pump 130 is connected between the water supply tank 133 and the water outlet distributor 132 to pump the cleaning water into the water outlet distributor 132, so that the cleaning water is reasonably distributed to each water outlet member 131, and the water saving effect is achieved; the water outlet distributor 132 can simultaneously deliver water to the plurality of water outlet members 131, thereby improving the water supply efficiency of the water supply assembly.

In some embodiments, the water outlet member 131 may be a nozzle or a dropper, and when the water outlet member 131 is a nozzle, the cleaning water is sprayed on the surface 200 to be cleaned in the advancing direction of the wiper assembly 120, so that the use ratio and cleaning efficiency of the cleaning water can be improved; when the water outlet member 131 is a dropper, the structure of the water outlet member 131 can be simplified.

According to some embodiments of the present utility model, at least one of the front side and the rear side of the wiper assembly 120 is provided with a wiper in the forward direction of the surface cleaning robot 100, and the wiper assembly 120 is spaced apart from the wiper. By designing the relative positions of the wiper assembly 120 and the wiper, the surface 200 to be cleaned can be cleaned firstly and then scraped and washed, or scraped and washed firstly and then scrubbed, or scraped and washed firstly and then scraped and washed, and the wiper assembly 120 and the wiper can perform multiple cleaning modes on the surface 200 to be cleaned, so that the cleaning effect is improved.

According to some embodiments of the present utility model, the water supply assembly is disposed at the front side or the rear side of the wiper member 120 when the wiper member is disposed at the front side of the wiper member in the advancing direction of the surface cleaning robot 100. For example, when the water supply assembly is disposed at the front side of the wiper, the water supply assembly may infiltrate the surface 200 to be cleaned at the front side of the wiper, which is scrubbed again, and finally scraped by the wiper assembly 120, thereby improving cleaning effect. When the water supply assembly is disposed at the rear side of the wiper, that is, the water supply assembly is disposed between the wiper and the wiper assembly 120, the wiper can wipe the surface to be cleaned first during the forward movement of the surface cleaning robot 100, thereby reducing stains on the surface to be cleaned, and thus reducing the slip probability of the surface cleaning robot 100 during the traveling process. Of course, the water supply assembly may be disposed at both front and rear sides of the wiper, so that the surface 200 to be cleaned is sequentially subjected to the cleaning processes of wetting, scrubbing, re-wetting, scraping and washing to improve the cleaning effect when cleaning.

Referring to fig. 6 and 9, in some embodiments, a set of wiper assemblies 120 are provided at the rear side edge of the chassis 110 in the forward direction of the surface cleaning robot 100 (the direction indicated by the arrow in fig. 6 and 9), a wiper (not shown) is provided at the front side of the wiper assemblies 120, a water outlet 131 is provided at the front side of the wiper assemblies 120, and the water outlet 131 is provided between the wiper and the wiper assemblies 120. In this embodiment, the wiper assembly 120 and the wiper member are arranged in a manner suitable for cleaning a relatively dusty surface 200 to be cleaned. During the cleaning process, the wiper wipes off dust on the surface 200 to be cleaned, water is supplied to the surface 200 to be cleaned by the water outlet member 131 to infiltrate the surface 200 to be cleaned, and finally the wiper assembly 120 wipes off the surface 200 to be cleaned. This prevents some dust from adhering to the surface 200 to be cleaned after being wetted and being difficult to clean. Meanwhile, the wiper assembly 120 is disposed at the rear side edge of the chassis 110, and the water outlet member 131 is disposed at the rear side of the wiper, so that residual water on the surface to be cleaned after the wiper is scrubbed can be reduced, and the probability of skidding during the running process of the surface cleaning robot 100 can be reduced.

Referring to fig. 7, in some embodiments, a set of wiper assemblies 120 are provided at a front side edge of the chassis 110 in a forward direction (a direction indicated by an arrow in fig. 7) of the surface cleaning robot 100, the wiper is provided at a rear side of the wiper assemblies 120, and the water outlet 131 is provided at a front side of the wiper assemblies 120. In this embodiment, during the cleaning process, the water outlet member 131 supplies water to the surface to be cleaned to infiltrate the surface to be cleaned, the wiper assembly 120 first wipes the surface to be cleaned 200, and then the wiper cleans the surface to be cleaned 200, so that stubborn stains on the surface to be cleaned 200 can be effectively removed, and the cleaning effect is improved.

Referring to fig. 8, in some embodiments, in the forward direction of the surface cleaning robot 100 (the direction indicated by the arrow in fig. 8), a set of wiper assemblies 120 are provided at each of the front and rear edges of the chassis 110, i.e., the wiper member is disposed between the wiper assemblies 120, and the water outlet member 131 is disposed at the front side of the wiper assemblies 120. In the cleaning process, the wiper assembly 120 located at the front side of the surface cleaning robot 100 in the forward direction wipes the surface 200 to be cleaned, and then the scrubbing member scrubs the surface 200 to be cleaned, and finally the wiper assembly 120 located at the rear side of the surface cleaning robot 100 in the forward direction wipes the surface 200 to be cleaned for the second time, thereby further improving the cleaning effect.

According to some embodiments of the present utility model, the water outlet member 131 is provided with a water outlet 1311, and a center line of the water outlet 1311 is disposed parallel to the surface 200 to be cleaned or is disposed obliquely to the surface 200 to be cleaned. The water outlet member 131 may spray the cleaning water in a direction parallel to the surface to be cleaned 200 or spray the cleaning water toward the surface to be cleaned 200 by changing the orientation of the water outlet 1311. The water outlet members 131 are disposed in a cross or parallel arrangement. The centerlines of the water outlets are disposed crosswise or in parallel in a direction parallel to the surface 200 to be cleaned. Thereby controlling the size of the area of the surface to be cleaned 200 covered by the spray cleaning water of the adjacent two water outlet pieces 131.

For example, in the embodiment shown in fig. 10, the center lines of the water outlets 1311 of the adjacent two water outlet pieces 131 are parallel to each other. Of course, the center lines of the water outlets 1311 of two adjacent water outlet members 131 may also form a certain included angle.

In the embodiment shown in fig. 11, the intersection point of the center lines of the water outlets 1311 is located at the front side of the forward direction of the surface cleaning robot 100, and the range that can be covered by spraying the cleaning water (shown by the dotted line in the figure) from the adjacent two water outlet pieces 131 is small, and the cleaning water can intensively fall on the surface 200 to be cleaned in front of the surface cleaning robot 100.

In the embodiment shown in fig. 12, the intersection of the centerlines of the water outlets 1311 is located at the rear side of the forward direction of the surface cleaning robot. The adjacent two water outlet pieces 131 can be sprayed with cleaning water (shown by dotted lines in the figure) to cover a larger range, so that the use ratio of the cleaning water can be improved, and the water can be saved.

In the embodiment shown in fig. 13, the center line of the water outlet 1311 is parallel to the surface 200 to be cleaned, and the water outlet member 131 sprays the cleaning water (shown by a dotted line) in a direction parallel to the surface 200 to be cleaned, so that the area of the sprayed cleaning water covering the surface 200 to be cleaned can be increased, and the use rate of the cleaning water can be improved. In the embodiment shown in fig. 14, the center line of the water outlet 1311 is inclined toward the surface to be cleaned 200, and the intersection point of the extended line of the center line of the water outlet 1311 and the surface to be cleaned 200 is located forward of the advancing direction of the surface cleaning robot 100.

According to some embodiments of the utility model, the surface cleaning robot 100 further comprises a fall protection sensor 112. The fall prevention sensor 112 is provided on the chassis 110, and the fall prevention sensor 112 is disposed toward the surface 200 to be cleaned. In some embodiments, the fall arrest sensor 112 is disposed perpendicular to the surface 200 to be cleaned, which may improve the detection accuracy of the fall arrest sensor 112. Of course, the fall arrest sensor 112 may also be disposed at an oblique angle to the surface 200 to be cleaned.

In one aspect, the fall prevention sensor 112 may detect whether the surface cleaning robot 100 moves to an edge of the surface 200 to be cleaned, and prevent the surface cleaning robot 100 from moving beyond a boundary to cause a fall; on the other hand, the fall prevention sensor 112 may also detect the distance from the chassis 110 to the surface 200 to be cleaned, and when the fall prevention sensor 112 detects that the distance is greater than the preset value, it is determined that the surface cleaning robot 100 is separated from the surface 200 to be cleaned, and measures are taken to prevent the surface cleaning robot 100 from falling.

The fall arrest sensor 112 is provided in plurality. For example, in the embodiment shown in fig. 1, 4 anti-falling sensors 112 are provided on the chassis 110, and the anti-falling sensors 112 are respectively provided on four opposite corners of the chassis 110 so as to detect the boundary of the surface 200 to be cleaned. Meanwhile, in order to avoid dead cleaning angles during cleaning, the falling prevention sensor 112 is installed at a side of the wiper strip 122 away from the edge of the chassis 110.

In some embodiments, the fall protection sensor 112 may be an ultrasonic sensor, and the probability of detecting a failure due to contamination of the fall protection sensor 112 is smaller and the stability is higher than the sensors used in the prior art because the ultrasonic sensor is located at a distance from the surface to be cleaned during operation.

Referring to fig. 1 and 3, the surface cleaning robot 100 further includes a top cover 170 according to some embodiments of the present utility model. The top cover 170 is covered on one side of the bottom plate 110 away from the surface 200 to be cleaned, the water supply assembly and the sewage recovery assembly are arranged between the top cover 170 and the bottom plate 110, and the top cover 170 plays roles of covering and protecting all parts on the bottom plate 110.

In order to improve the convenience of use of the surface cleaning robot 100, in some embodiments, a handle 171 may be further provided on the outer surface of the top cover 170, and the handle 171 protrudes from the outer surface of the top cover 170 to facilitate movement of the surface cleaning robot 100. In addition, an operation button 172 can be arranged on the handle 171, and the operation button 172 can control the start and stop of the working state of the surface cleaning robot 100; and a power switch 113 for controlling the surface robot may be provided at a side of the chassis 110 facing the surface 200 to be cleaned. Thus, on the one hand, the operation of the surface cleaning robot 100 is convenient, and on the other hand, the error electric shock source switch 113 can be avoided, so that the safety is improved.

In some embodiments, the top cover 170 may further be provided with a water filling hole connected to the water inlet of the water supply tank 133 and a water filling cover 173, and the water filling hole is provided to cover the water filling hole through which cleaning water can be filled into the water supply tank 133.

Referring to fig. 1 and 2, according to some embodiments of the utility model, a sewage recovery assembly includes: a water-gas separation power source 141 and a sewage tank 142. The water-air separation power source 141 communicates with the suction chamber 1211 of the wiper assembly 120, and the water-air separation power source 141 generates a negative pressure to suck the contaminated water on the surface 200 to be cleaned at the wiper assembly 120. The sewage sucked by the water-gas separation power source 141 may be recovered into the sewage tank 142, and sewage deposition is performed in the sewage tank 142.

In some embodiments, the water vapor separation power source 141 is disposed within the sump 142. For example, referring to fig. 2, the water-gas separation power source 141 is disposed in the sewage tank 142, and the water-gas separation power source 141 may be a centrifugal wind wheel, and the centrifugal wind wheel is driven to rotate by power, and the sucked water-gas mixture enters from the axial direction of the centrifugal wind wheel and is thrown out from the radial direction of the centrifugal wind wheel. Under the action of gravity, liquid water in the water-gas mixture falls and accumulates in the sewage tank 142, and gas in the water-gas mixture is discharged out of the sewage tank 142, so that water-gas separation is realized. Providing the water vapor separation power source 141 in the sewage tank 142 can improve the compactness of the sewage recovery assembly structure. A plurality of sewage tanks 142 may be further provided around the sewage tank 142 provided with the water-gas separation power source 141, increasing the capacity of the sewage tank 142 to improve the continuity of the cleaning process of the surface cleaning robot 100.

Referring to fig. 15, in some embodiments, the water vapor separation power source 141 may also be disposed outside the sump 142, and the water vapor separation power source 141 communicates with the sump 142. The sewage tank 142 includes: drain 1421, first connection 1422, second connection 1423, and barrier 1424. One of the first and

second connection nozzles

1422 and 1423 is connected to and communicates with the hydro-pneumatic separation power source 141, and the other of the first and

second connection nozzles

1422 and 1423 is connected to and communicates with the suction lumen 1211. The housing of the sewage tank 142 is folded toward the inner cavity of the sewage tank 142 to form a blocking plate 1424, and the blocking plate 1424 is located between the first and

second connection mouths

1422 and 1423.

The water-air separation power source 141 may suck the air in the sump 142 to make the inner cavity of the sump 142 form a negative pressure, thereby sucking the sewage at the wiper assembly 120. Under the action of gravity, liquid water in the water-gas mixture entering the sewage tank 142 falls down and accumulates in the sewage tank 142, and gas in the water-gas mixture is discharged out of the sewage tank 142 through the water-gas separation power 141 source. The blocking plate 1424 is positioned between the first and

second connection nozzles

1422 and 1423, and may increase a flow path of gas, thereby facilitating the adhesion of water vapor to the blocking plate 1424 and improving the recovery rate of sewage. Liquid water accumulated in the sump 142 may be discharged through the drain 1421.

Referring to fig. 2, the wastewater reclamation assembly, according to some embodiments of the present utility model, further includes a water return connection 140. The water return connection piece 140 is provided with a water outlet port and a plurality of water inlet ports, and the water inlet ports of the water return connection piece 140 are connected and communicated with the suction cavity 1211 of the wiper assembly 120; the water outlet of the water return connection 140 is connected and communicates with a sewage tank 142. The water return connection 140 may be in communication with a plurality of connection nozzles 1212 to increase the rate at which the water and gas separation power source 141 draws in the wastewater.

Referring to fig. 3, a water-gas separation power source exhaust hole 174 is provided in the top case 170 at a position corresponding to the water-gas separation power source 141. The separated gas in the water-gas mixture may be exhausted through the water-gas separation power source exhaust vent 174.

According to some embodiments of the present utility model, the surface cleaning robot 100 further includes a walking assembly 150 and a suction assembly. The adsorption component is disposed on the chassis 110, the adsorption component contacts the surface to be cleaned 200, and the adsorption component can generate a negative pressure adsorption force to enable the chassis 110 to be adsorbed on the surface to be cleaned 200.

Referring to fig. 2, the traveling assembly 150 is connected to the chassis 110, and at least a portion of the traveling assembly 150 contacts the surface 200 to be cleaned to drive the surface cleaning robot 100 to travel on the surface 200 to be cleaned. In some embodiments, the travel assembly 150 is a track-type travel mechanism. For example, the walking assembly 150 includes a walking wheel and a power device, the walking wheel is suitable for contacting the surface 200 to be cleaned, the walking wheel may be a crawler wheel, the crawler wheel has a strong grip, and the stability of the surface cleaning robot 100 walking on the surface 200 to be cleaned may be improved. The power device is connected with the travelling wheels and drives the travelling wheels to rotate. The wiper may be disposed about the road wheel. In this way, the wiper can wipe the surface 200 to be cleaned in the forward direction of the road wheels during cleaning, thereby reducing the probability of slippage of the road wheels. Of course, the walking component can also be a roller type walking mechanism.

Referring to fig. 1 and 2, according to some embodiments of the utility model, an adsorption assembly includes: a negative pressure generating device 161, a suction cup assembly and a suction communication 162. The negative pressure generating means 161 is connected to the chassis 110, the suction cup assembly is adapted to be in contact with the surface 200 to be cleaned, and the suction communication member 162 is adapted to communicate the suction cup assembly with the negative pressure generating means 161. The negative pressure generating device 161 can suck the gas in the suction cup assembly to form negative pressure in the suction cup assembly, so that the suction cup assembly is adsorbed on the surface to be cleaned. The negative pressure generating device 161 may be a negative pressure suction fan or a vacuum pump.

Referring to fig. 1 and 9, the chuck assembly includes a contact plate 163 and a seal according to some embodiments of the utility model. In the embodiment shown in fig. 1, the contact plate 163 is provided on the side of the chassis 110 facing the surface 200 to be cleaned, the contact plate 163 is elastically connected to the chassis 110, and the contact plate 163 is provided with square through holes. The sealing member is located between the base plate 110 and the contact plate 163, is an annular member, and has elasticity. The sealing member is attached to the edge of the square through hole of the contact plate 163, and the sealing member chassis 110, the sealing member and the contact plate 163 are sequentially connected and jointly define an adsorption cavity 164. The bottom wall of the adsorption cavity 164 is provided with a plurality of air inlets, and the adsorption cavity 164 is communicated with the adsorption communicating piece 162 through the air inlets.

In some embodiments, the negative pressure generating device 161 may be disposed between the bottom plate 110 and the top cover 170, and the suction communicating member 162 communicates with the negative pressure generating device 161. The top cover 170 is provided with a negative pressure generating device exhaust hole 175 at a position corresponding to the negative pressure generating device 161, and the negative pressure generating device exhaust hole 175 communicates with the negative pressure generating device 161 so as to facilitate the air in the negative pressure generating device 161 to be exhausted.

When the surface cleaning robot 100 is adsorbed on the surface 200 to be cleaned, the negative pressure generating device 161 sucks air in the adsorption cavity 164, and the air in the adsorption cavity 164 enters the adsorption communication piece 162 through the air inlet hole and is discharged through the negative pressure generating device 161 and the negative pressure generating device exhaust hole 175. At this time, since the suction chamber 164 is under negative pressure, the chassis 110 is brought close to the contact plate 163, the sealing member is compressed, and the suction cup assembly is sucked on the surface to be cleaned.

In some embodiments, a limiting member and a resetting member may be further connected between the contact plate 163 and the chassis 110, where the limiting member may limit the direction and displacement distance when the contact plate 163 and the chassis 110 move relatively; the reset member has a certain elasticity, and when the surface cleaning robot 100 walks on the surface 200 to be cleaned, the adsorption force of the adsorption assembly is reduced, and the reset member can provide an elastic force to restore the distance between the contact plate 163 and the chassis 110.

Because the negative pressure generating device 161 is easy to generate noise during operation, the negative pressure generating device 161 can be connected with the noise reduction cylinder 160 to absorb the noise generated during operation of the negative pressure generating device 161, reduce the noise of the working environment and improve the use experience of users.

It will be appreciated that when the contact plate 163 covers the side of the chassis 110 facing the surface 200 to be cleaned, the wiper may be mounted on the contact plate 163, and the contact plate 163 is provided with a through hole corresponding to the position of the traveling assembly 150 for the traveling assembly 150 to contact the surface 200 to be cleaned.

Referring to fig. 16, a chuck assembly 100' is a sliding vacuum chuck according to some embodiments of the utility model. The chuck assembly 100' includes: the fixed member 110', the movable member 120', the telescopic member 130', and the elastic contact member 140'.

Specifically, the fixed part 110 'is provided with a suction port 111', the movable part 120 'is movable relative to the fixed part 110', the telescopic part 130 'is arranged between the fixed part 110' and the movable part 120', and the fixed part 110', the telescopic part 130 'and the movable part 120' are connected in sequence; the stationary member 110', the telescoping member 130', and the moveable member 120 'together define a first negative pressure lumen 190'. The expansion member 130 'is connected between the fixed member 110' and the movable member 120', and the expansion member 130' may be stretched or compressed.

The first negative pressure lumen 190' may be used as a negative pressure lumen, and a negative pressure environment may be formed inside thereof. The movable member 120 'approaches the fixed member 110' and the telescopic member 130 'is compressed by the pressure outside the suction cup assembly 100'. In some embodiments, the telescoping member 130 'may have resiliency to assist in the rebound reset of the moveable member 120'.

One side of the pair of elastic contact members 140 'is fixed with the movable member 120', the other side of the elastic contact members 140 'has a smooth surface attached to the surface to be cleaned, and the elastic contact members 140' are provided with hollow structures 141 'communicating the two sides thereof, so that after the elastic contact members 140' are attached to the surface to be cleaned, the elastic contact members 140', the movable member 120' and the surface to be cleaned together define a second negative pressure cavity 191 'communicated with the first negative pressure cavity 190'. The movable member 120' has a communication hole 171' communicating with the second negative pressure lumen 191'.

Referring to fig. 16, 18 and 19, the elastic contact member 140 'is attached to a surface of the movable member 120' on a side facing away from the fixed member 110', and the elastic contact member 140' is adapted to contact a surface to be cleaned. The elastic contact 140' has a hollow structure 141', and the side of the elastic contact 140' facing the surface to be cleaned and the movable member 120' together define a second negative pressure cavity 191'. For example, the surface of the elastic contact 140 'and the surface of the movable member 120' opposite to the hollow structure 141 'together define a second negative pressure cavity 191'. The elastic contact member 140' is a circumferentially closed ring structure, so that the second negative pressure inner cavity 191' is a closed cavity relative to the external environment after the elastic contact member 140' contacts the surface to be cleaned, and the suction cup assembly 100' can be adsorbed on the surface to be cleaned by forming the negative pressure environment in the second negative pressure inner cavity 191'.

In the embodiment shown in fig. 18, the middle portion of the elastic contact element 140 'is a circular hole, at this time, the elastic contact element 140' is an annular element, a gap for elastic deformation of the elastic contact element 140 'is maintained between the surface of the second connecting element 151' facing the surface to be cleaned and the surface of the elastic contact element 140 'attached to the surface to be cleaned, and after the elastic contact element 140' contacts the surface to be cleaned, a space formed by the surface to be cleaned, the inner ring of the elastic contact element 140', and the side of the movable element 120' facing away from the fixed element 110 'is a second negative pressure inner cavity 191'. Of course, the shape of the hollow structure 141 'on the elastic contact 140' is not limited thereto, for example, in the embodiment shown in fig. 22, the hollow structure 141 'may be two circular holes arranged at intervals, and of course, the hollow structure 141' may be other shapes.

The elastic contact 140 'has elasticity, and when the surface to be cleaned is a rough surface, a side of the elastic contact 140' contacting the surface to be cleaned may have a certain deformation to fill a gap between the elastic contact 140 'and the surface to be cleaned, thereby improving the sealability of the suction cup assembly 100'.

The movable member 120 'has a communication hole 171', the communication hole 171 'communicates with the second negative pressure lumen 191' such that the second negative pressure lumen 191 'communicates with the first negative pressure lumen 190', and the suction port 111 'communicates with the first negative pressure lumen 190'. In this way, the suction interface 111' can suck the air in the first negative pressure inner cavity 190' and the second negative pressure inner cavity 191', and negative pressure is formed in the first negative pressure inner cavity 190' and the second negative pressure inner cavity 191', so that the sucker assembly 100' is adsorbed on the surface to be cleaned, and the sucker assembly 100' is prevented from being separated from the surface to be cleaned in the static or moving process of the robot.

In some embodiments, the speed at which the suction interface 111 'draws air within the first and second negative pressure lumens 190', 191 'may be reduced as the suction cup assembly 100' slides over the surface to be cleaned, suitably reducing the suction force of the suction cup assembly 100 'to facilitate sliding of the suction cup assembly 100' over the surface to be cleaned.

In some embodiments, to reduce the frictional resistance of the chuck assembly 100' during the sliding process, a smooth-surfaced cloth or polymer material may be wrapped on the side of the elastic contact member 140' contacting the surface to be cleaned, or a plating or coating with a relatively low friction coefficient may be coated on the side of the elastic contact member 140' contacting the surface to be cleaned.

According to some embodiments of the utility model, the fixture 110' is provided on the side of the chassis 110 facing the surface to be cleaned. The fixing member 110 'is adapted to be fixedly connected to the chassis 110, for example, the fixing member 110' may be fixedly connected to the chassis 110 by a threaded connection or a fastening connection. In some embodiments, the securing member 110' is integrally formed with the chassis 110.

Referring to fig. 16 and 17, the expansion member 130' has a first connection portion 131', a second connection portion 132', and an expansion portion 133', and the expansion portion 133' is connected between the first connection portion 131' and the second connection portion 132', according to some embodiments of the present utility model. The first connection portion 131' is connected to the fixed member 110', for example, the first connection portion 131' may be fixed at an edge of the fixed member 110', or the first connection portion 131' may be sealingly fixed on a surface of the fixed member 110' facing the movable member 120 '. The second connecting portion 132 'is connected to the movable member 120', one end of the telescopic portion 133 'is connected to the first connecting portion 131', and the other end of the telescopic portion 133 'is connected to the second connecting portion 132'. The telescoping portion 133' may telescope to accommodate relative movement between the moveable member 120' and the stationary member 110 '. In some embodiments, the telescoping member 130' is resilient, or the telescoping portion 133' of the telescoping member 130' may be corrugated to provide an amount of telescoping.

Referring to fig. 16, in some embodiments, the first connecting portion 131' is embedded in an edge of the fixing member 110', the first connecting portion 131' is bent to form a groove, and the edge of the fixing member 110' is embedded in the groove of the first connecting portion 131 '. The second connecting portion 132 'is connected to the movable member 120', for example, the second connecting portion 132 'and the movable member 120' may be connected by a pressing plate, or the second connecting portion 132 'and the movable member 120' may be adhered by a sealant, and a side of the second connecting portion 132 'contacting the movable member 120' may be provided with a sealant injection groove 134', so as to increase a contact area between the second connecting portion 132' and the sealant, and improve a connection stability between the second connecting portion 132 'and the movable member 120'.

The telescopic part 133 'is recessed towards the inside of the first negative pressure inner cavity 190', so that when the movable part 120 'is close to the fixed part 110', the telescopic part 133 'is compressed, and the telescopic part 133' is positioned in the first negative pressure inner cavity 190', so that the telescopic part 133' is prevented from being clamped at the edges of the fixed part 110 'and the movable part 120' to influence the deformation stroke of the sucker assembly 100', the extension and contraction stroke of the sucker assembly 100' are more accurate, the adsorption performance of the sucker assembly 100 'is improved, the adsorption walking reliability of the surface cleaning robot 100 is improved, and the falling risk caused by poor adsorption performance of the sucker assembly 100' is reduced.

Referring to fig. 18-19, in accordance with some embodiments of the present utility model, the suction cup assembly 100' further includes a connection assembly for detachably securing the resilient contact 140' to the movable member 120 '. In some embodiments, the connection assembly includes a first connection 150 'and a second connection 151'. The first connecting piece 150' is fixedly sleeved on the outer side of the movable piece 120', and at least a part of the elastic contact piece 140' is clamped between the first connecting piece 150' and the movable piece 120 '. The inner side surface of the first connecting member 150 'is engaged with the outer side surface of the movable member 120', and a portion of the elastic contact member 140 'is disposed between the first connecting member 150' and the movable member 120 'and is clamped and fixed by the first connecting member 150'.

For example, in the embodiment shown in fig. 19, the first connecting member 150' may be a tapered ring member, the first connecting member 150' is a tapered structure, and the inside of the first connecting member 150' is a tapered through hole, and the inner side surface of the first connecting member 150' is adapted to mate with the outer side surface of the movable member 120 '. One end of the first connecting member 150 'is provided with a fastening portion 1501', and the fastening portion 1501 'is fastened to an edge of the movable member 120'. In some embodiments, the fastening portion 1501' is a plurality of fastening portions 1501' spaced apart along the outer circumference of the first connector 150 '. For example, the number of fastening portions 1501' may be 2 or 3, so long as the first connector 150' can be fixed to the movable member 120 '. On the one hand, the first connecting piece 150 'is clamped with the movable piece 120' through the conical through hole; on the other hand, the first connecting member 150 'is fastened to the edge of the movable member 120' through the fastening portion 1501', so as to avoid the elastic contact member 140' falling off due to the loose connection between the first connecting member 150 'and the movable member 120' during use.

Referring to fig. 16, the second connecting member 151' is an annular member, the movable member 120' is provided with a fixing groove 121' for installing the second connecting member 151', the second connecting member 151' is fixedly connected with the movable member 120', and the second connecting member 151' fixes at least a portion of the elastic contact member 140' in the fixing groove 121' and makes the elastic contact member 140' adhere to the surface of the movable member 120 '. The second connection member 151 'may be completely received in the fixing groove 121', and the second connection member 151 'may also partially protrude from the fixing groove 121'. A gap is maintained between the surface of the second connection member 151' facing the surface to be cleaned and the surface of the elastic contact member 140' for being abutted against the surface to be cleaned, so that the elastic contact member 140' is elastically deformed. When the suction cup assembly 100 'is attached to the surface to be cleaned, a gap is formed between the side of the second connecting member 151' facing the surface to be cleaned and the surface to be cleaned, so that the elastic contact member 140 'is elastically deformed, and the elastic deformation of the elastic contact member 140' is prevented from being affected by the abutment of the second connecting member 151 'and the surface to be cleaned, so as to improve the air tightness of the second negative pressure cavity 191'.

For example, referring to fig. 16, one side of the elastic contact 140 'is clamped between the first connecting member 150' and the movable member 120', the other side of the elastic contact 140' is clamped between the second connecting member 151 'and the movable member 120', and the portion of the elastic contact 140 'attached to the movable member 120' has a U-shaped structure, and one side of the U-shaped structure is clamped between the first connecting member 150 'and the movable member 120'. The outer ring surface of the second connecting piece 151' and the surface of the movable piece 120' contacting with the outer ring surface of the second connecting piece 151' have a certain inclination, and the other side of the U-shaped structure is clamped between the movable piece 120' and the surface of the second connecting piece 151' having an inclination. To further enhance the stability of the connection of the elastic contact member 140' with the movable member 120', the other side of the U-shaped structure may extend and contact the upper surface or the inner ring surface of the second connection member 151 '. The second connection member 151 'and the movable member 120' may be connected by a screw.

The first connecting member 150' and the second connecting member 151' are detachably connected to the movable member 120', and the elastic contact member 140' is detachably connected to the movable member 120 '. Since the elastic contact 140 'is in contact friction with the surface to be cleaned, the elastic contact 140' is worn out and needs to be replaced frequently. The elastic contact 140' is detachably connected with the movable member 120' to facilitate replacement of the elastic contact 140'.

Referring to fig. 16 and 19, a side surface of the movable member 120 'facing away from the fixed member 110' has a fixing groove 121', the other side of the elastic contact member 140' is pressed into the fixing groove 121 'by the second connection member 151', and the second connection member 151 'is fixedly connected with the movable member 120'.

By connecting the elastic contact 140 'with the movable member 120' by the first and second connection members 150 'and 151', it is possible to reduce the provision of a structure or a through hole for connection on the elastic contact 140', improve the sealability of the connection of the elastic contact 140' with the movable member 120', and simplify the structure of the elastic contact 140'.

Referring to fig. 16 and 17, the suction cup assembly further includes a first guide 112' and a second guide 122', the first guide 112' and the second guide 122' being configured to define a movement track of the movable member 120', according to some embodiments of the present utility model. The fixed member 110 'is provided with a first guiding portion 112', the movable member 120 'is provided with a second guiding portion 122', and the first guiding portion 112 'and the second guiding portion 122' can be matched with each other. One of the first guide portion 112 'and the second guide portion 122' is a guide post, and the other is a guide sleeve, and the guide post is arranged through the guide sleeve. When the movable member 120' and the fixed member 110' relatively move, the guide post slides in the guide sleeve to limit the movement track of the movable member 120 '.

Referring to fig. 18 and 19, according to some embodiments of the present utility model, a portion of the movable member 120' located between the first negative pressure lumen 190' and the second negative pressure lumen 191' is provided with a communication hole 171', and the communication hole 171' communicates the first negative pressure lumen 190' and the second negative pressure lumen 191'. In some embodiments, the second guide 122 'or a portion of the movable member 120' surrounding the second guide 122 'is provided with a communication hole 171', or both the portion of the movable member 120 'surrounding the second guide 122' and the second guide 122 'are provided with a communication hole 171'.

For example, a communication hole 171' may be provided at the second guide 122', the communication hole 171' penetrating through both ends of the second guide 122', the communication hole 171' communicating the first negative pressure chamber 190' and the second negative pressure chamber 191', so that the gas in the second negative pressure chamber 191' may flow to the first negative pressure chamber 190' through the through hole.

In some embodiments, the communication holes 171' are through holes that may be distributed at intervals, and the plurality of communication holes 171' may be distributed around the second guide 122 '. In order to enhance the supporting strength of the movable member 120', the movable member 120' between the communication holes 171' is physically provided with reinforcing ribs. By providing the communication hole 171' in this way, the resistance to the flow of the gas in the first negative pressure chamber 190' and the second negative pressure chamber 191' can be reduced, and the flow rate of the gas flow can be increased.

Referring to fig. 16, according to some embodiments of the present utility model, a vent cavity 1121 'is provided in the first guide 112', and the suction interface 111 'communicates with the vent cavity 1121'. In some embodiments, the first guide portion 112' is disposed at a central position of the fixed member 110', and the second guide portion 122' is disposed at a central position of the movable member 120' and cooperates with the first guide portion 112 '. The first guide 112 'is provided with through holes penetrating both ends of the first guide 112' and forms a ventilation cavity 1121', and the suction port 111' communicates with the ventilation cavity 1121 'of the first guide 112'. It will be appreciated that the suction interface 111' may be provided on the mount 110' at the first guide 112 '; the suction interface 111' may also be located elsewhere on the mount 110' and communicate with the vent cavity 1121' via tubing.

The first guide portion 112 'and/or the second guide portion 122' are/is vented, and the vent cavity 1121 'communicates with the first negative pressure lumen 190' or the second negative pressure lumen 191 'via the vent hole 170'. I.e., at least one of the first guide portion 112' and the second guide portion 122' is provided with a vent hole 170'. For example, in the embodiment shown in fig. 16, the first guide portion 112 'and the second guide portion 122' may each be provided with a vent hole 170', and when the gas is sucked, the gas in the first negative pressure lumen 190' or the second negative pressure lumen 191 'flows to the vent cavity 1121' through the vent hole 170 'and is drawn out from the suction port 111'. In some embodiments, there may be a mating gap between the first guide 112 'and the second guide 122'. In this way, when the gas in the first negative pressure lumen 190' and the second negative pressure lumen 191' is sucked, the gas can also flow from the fit gap to the ventilation cavity 1121', thereby increasing the flow rate of the gas and making the sucking process smoother.

By providing the first guide 112' and the second guide 122' at the center of the suction cup assembly 100' and communicating the suction port 111' with the ventilation cavity 1121' of the first guide 112' to suck the gas in the first negative pressure lumen 190' and the second negative pressure lumen 191', the suction cup assembly 100' can be made more compact.

Referring to fig. 17 and 18, according to some embodiments of the present utility model, the reset element 180' is further included, the reset element 180' is disposed between the fixed element 110' and the movable element 120', and at least one end of the reset element 180' is connected to the movable element 120' or the fixed element 110 '. The reset member 180 'can assist in the rebound reset of the moveable member 120'. The return element 180' may be a resilient element, such as a spring, or may be a push-pull rod with a power source. When the restoring member 180' is a spring, the spring may be sleeved on the outer ring of the first guide portion 112' or the second guide portion 122 '. Referring to fig. 20, in some embodiments, the restoring members 180' may be distributed around the center of the first guide portion 112' or the second guide portion 122', and the number of restoring members 180' is at least 3 in order to uniformly stress the movable member 120 '.

Referring to fig. 16 and 18, according to some embodiments of the present utility model, the cross section of the movable member 120' is circular, and the circumferential side of the movable member 120' is tilted toward the fixed member 110', and the elastic contact member 140' is fixedly attached to the surface of the movable member 120 '. That is, the outer ring of the movable member 120' is bent at a certain angle toward the fixed member 110', and the elastic contact member 140' covers the surface of the movable member 120' and is fixedly connected to the movable member 120 '. Thus, when the suction cup assembly 100 'encounters a raised obstacle during the movement, the peripheral side surface of the movable member 120' can play a guiding role, and the obstacle can move along the peripheral side surface of the movable member 120 'relative to the movable member 120', so as to avoid the clamping of the movement of the suction cup assembly 100 'caused by the stopping of the movable member 120' and the obstacle. It will be appreciated that the cross-section of the moveable member 120' may be other shapes.

For example, the whole sucker assembly 100 'may be cylindrical, that is, the fixed member 110' and the movable member 120 'are both circular, and the outer contour of the elastic contact member 140' is also circular, so that the outer ring of the movable member 120 'is tilted toward the fixed member 110', and when the sucker assembly 100 'is adsorbed on the surface to be cleaned, a certain distance is provided between the edge of the outer ring of the movable member 120' and the surface to be cleaned. Thus, when the suction cup assembly 100 'encounters a protruding obstacle during movement on the surface to be cleaned, the obstacle may move along the circumferential side of the movable member 120' relative to the movable member 120', the movable member 120' may tilt relative to the surface to be cleaned, and the reset member 180 'and the elastic contact member 140' are deformed to reduce the influence of the tilting of the movable member 120 'on the fixed member 110'. If the movable member 120 'with a polygonal shape is used, when the suction cup assembly 100' collides with a protruding obstacle during the movement process, the vertex angle of the polygon may be against the obstacle, so as to cause the movement to be blocked, and the circular movable member 120 'is used to avoid the blocking, so that the suction cup assembly 100' has better adaptability.

Referring to fig. 21, according to some embodiments of the present utility model, a suction cup assembly 100' is provided on a chassis 110, the suction cup assembly 100' is provided on a side of the chassis 110 facing a surface to be cleaned, and a negative pressure generating device 161 is connected to the suction cup assembly 100', and the negative pressure generating device 161 is used to suck air in the suction cup assembly 100' so as to generate a negative pressure required for adhering to the surface to be cleaned in the suction cup assembly 100 '. The suction cup assembly 100' may be fixedly attached to the chassis 110. In operation, the suction cup assembly 100 'is in contact with the surface to be cleaned, the suction cup assembly 100' is connected to and in communication with the negative pressure generating device 161, and the negative pressure generating device 161 can suck air in the suction cup assembly 100', so that negative pressure is formed in the suction cup assembly 100', and negative pressure is generated to enable the suction cup to be attached to the surface to be cleaned. For example, in the embodiment shown in fig. 17, the suction cup assembly 100 'and the fixing member 110' may be connected by sealant, and in order to enhance the connection stability of the suction cup assembly 100 'and the chassis 110, a glue injection groove 134' may be provided at a side of the fixing member 110 'or the first connection portion 131' facing the chassis 110.

Referring to fig. 21, in the advancing direction of the surface cleaning robot 100, at least one suction cup assembly 100' is provided at both front and rear sides of the chassis 110 and at both left and right sides perpendicular to the advancing direction. Thus, when the chassis 110 is required to be adsorbed on the moving surface to be cleaned, the plurality of chuck assemblies 100' can provide the adsorption force required by the moving chuck to be adsorbed on the surface to be cleaned; meanwhile, the suction cup assemblies 100 'are arranged on the front side and the rear side of the chassis 110 and on the left side and the right side perpendicular to the advancing direction, so that the safety of the chassis 110 in the movement of the surface to be cleaned can be improved, and when the suction capability of the suction cup assemblies 100' in one direction fails, the chassis 110 can be kept to be adsorbed on the surface to be cleaned. In some possible embodiments, two suction cup assemblies 100' are provided on both the front and rear sides of the chassis 110 and on both the left and right sides perpendicular to the direction of advance.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims

1. A surface cleaning robot, comprising:

a chassis adapted to move over a surface to be cleaned;

a wiper assembly connected to the chassis, at least a portion of the wiper assembly being in contact with the surface to be cleaned;

2. The surface cleaning robot of claim 1, wherein the water supply assembly further comprises a water outlet distributor, the water outlet distributor having a water inlet end and a plurality of water outlet ends, the water outlet ends of the water outlet distributor being connected and in communication with the water outlet member;

3. The surface cleaning robot of claim 1, wherein a side of the chassis facing the surface to be cleaned is provided with a wiper adapted to be in contact with the surface to be cleaned, and the wiper assembly is spaced apart from the wiper, at least one of a front side and a rear side of the wiper assembly being provided with the wiper in a forward direction of the surface cleaning robot.

4. A surface cleaning robot according to any one of claims 1-3, characterized in that the wiper assembly comprises:

5. A surface cleaning robot as claimed in any one of claims 1 to 3, characterized in that the centre line of the water outlet member is arranged parallel to or inclined towards the surface to be cleaned, and the water outlet member is arranged crosswise or parallel.

6. A surface cleaning robot as claimed in any one of claims 1 to 3, further comprising:

and the adsorption component is arranged on the chassis and enables the chassis to be adsorbed on the surface to be cleaned.

7. The surface cleaning robot of claim 6, wherein the suction assembly comprises:

the negative pressure generating device is connected with the chassis;

a suction cup assembly adapted to contact the surface to be cleaned; and

and the adsorption communication piece is suitable for communicating the sucker assembly with the negative pressure generating device.

8. The surface cleaning robot of claim 7, wherein the suction cup assembly comprises:

The contact plate is connected with the chassis;

9. The surface cleaning robot of claim 7, wherein the suction cup assembly is a sliding vacuum suction cup, the suction cup assembly comprising:

the fixing piece is provided with a suction interface;

the movable piece is movable relative to the fixed piece;

the elastic contact piece, the elastic contact piece is circumference confined annular structure, elastic contact piece one side with the moving part is fixed, the opposite side of elastic contact piece have with wait to clean smooth surface that the surface pasted mutually, just the elastic contact piece is equipped with the hollow out construction of its both sides of intercommunication, so that the elastic contact piece with wait to clean after the surface laminating, the elastic contact piece the moving part reaches wait to clean the surface and define jointly with the second negative pressure inner chamber of first negative pressure inner chamber intercommunication, the moving part has the intercommunication the intercommunicating pore of second negative pressure inner chamber.

10. The surface cleaning robot of claim 8 or 9, wherein the suction cup assembly is provided on a side of the chassis facing the surface to be cleaned, and the negative pressure generating device is in communication with the suction cup assembly for sucking air of the suction cup assembly to generate a negative pressure required for the suction cup assembly to be attached to the surface to be cleaned;

11. The surface cleaning robot of claim 1, further comprising a plurality of fall protection sensors disposed on the chassis and toward the surface to be cleaned.

12. The surface cleaning robot of claim 1, wherein the sewage recovery assembly comprises a water-gas separation power source and a sewage tank, the water-gas separation power source being disposed within the sewage tank or the water-gas separation power source being disposed outside of and in communication with the sewage tank;