CN218738739U

CN218738739U - Stock solution subassembly and cleaning robot

Info

Publication number: CN218738739U
Application number: CN202220431160.1U
Authority: CN
Inventors: 李雪玲; 李雪花; 叶力荣
Original assignee: Shenzhen Silver Star Intelligent Group Co Ltd
Current assignee: Shenzhen Silver Star Intelligent Group Co Ltd
Priority date: 2022-02-28
Filing date: 2022-02-28
Publication date: 2023-03-28
Anticipated expiration: 2032-02-28

Abstract

The utility model discloses a liquid storage component and a cleaning robot, wherein the liquid storage component comprises a water tank, a U-shaped ventilation pipeline and a supercharging device; the water tank is provided with a liquid outlet, an air inlet and a liquid storage cavity, the liquid storage cavity is communicated with the liquid outlet, and the liquid storage cavity is communicated with the air inlet; the air inlet end of the U-shaped air duct is higher than the highest liquid level of the water tank and is communicated with the supercharging device, and the air outlet end of the U-shaped air duct is communicated with the air inlet. So set up, avoided rivers to flow backward in the supercharging device from the stock solution intracavity, and then the protection supercharging device does not receive the damage.

Description

Stock solution subassembly and cleaning robot

Technical Field

The utility model relates to a cleaning device technical field, in particular to stock solution subassembly and cleaning machines people.

Background

Current cleaning machines people is equipped with the water tank mostly, and the water tank is provided with the liquid storage chamber that is used for the splendid attire cleaning solution and is used for discharging the liquid outlet of cleaning solution to adopt the intake pipe to increase the atmospheric pressure in the liquid storage chamber with liquid storage chamber and supercharging device intercommunication, in order to extrude the cleaning solution from the liquid outlet.

However, after the supercharging device stops operating, water is added into the water tank until the water tank is filled with water, and water flows into the supercharging device through the air inlet pipe in a backflow mode, so that the supercharging device is damaged.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a stock solution subassembly aims at avoiding rivers to flow into supercharging device.

In order to achieve the purpose, the utility model provides a liquid storage assembly, which is applied to a cleaning robot and is characterized in that the liquid storage assembly comprises a water tank, a U-shaped air duct and a supercharging device; wherein,

the water tank is provided with a liquid outlet, an air inlet and a liquid storage cavity, the liquid storage cavity is communicated with the liquid outlet, and the liquid storage cavity is communicated with the air inlet;

the air inlet end of the U-shaped air duct is higher than the highest liquid level of the water tank and is communicated with the supercharging device, and the air outlet end of the U-shaped air duct is communicated with the air inlet.

In some embodiments of the present invention, the U-shaped ventilation pipe includes a first connection section, a second connection section, and a third connection section, the first connection section is fixed to the water tank and extends in a horizontal direction;

one end of the second connecting section is communicated with one end of the first connecting section, and the other end of the second connecting section extends vertically and is communicated with the supercharging device;

one end of the third connecting section is communicated with the first connecting section, and the other end of the third connecting section vertically extends and is communicated with the air inlet.

In some embodiments of the present invention, an annular partition plate is disposed in the liquid storage cavity, and the partition plate and the cavity wall of the liquid storage cavity together enclose to form an installation cavity, and the installation cavity is used for accommodating the pressure boosting device;

the first connecting section penetrates through the partition plate, the second connecting section is located in the installation cavity, the first connecting section is communicated with the supercharging device through the second connecting section, the third connecting section is located in the liquid storage cavity, and the second connecting section is communicated with the air inlet through the third connecting section.

In some embodiments of the present invention, the first connecting section is integrally formed with the partition.

In some embodiments of the present invention, an end of the first connection section away from the third connection section is bent upwards to form a plug, and the second connection section is in plug fit with the plug.

In some embodiments of the present invention, an end of the third connecting section away from the first connecting section is bent downward, so that an end of the third connecting section away from the first connecting section is lower than the first connecting section.

In some embodiments of the present invention, the cavity bottom of the water storage cavity is provided with a butt joint, the gas outlet is provided with the butt joint, the third connecting section is provided with one end of the first connecting section and the butt joint is in inserting fit.

The utility model discloses an in some embodiments, the stock solution subassembly still includes the drain pipe, the drain pipe includes U type section and the section of intaking, the one end and the liquid outlet intercommunication of U type section, the other end of U type section with the section intercommunication of intaking, the section of intaking is kept away from the one end of U type section extends at the bottom of the chamber in stock solution chamber.

In some embodiments of the present invention, the liquid outlet pipe includes at least two U-shaped sections, at least two of the U-shaped sections are sequentially connected to each other, at least two of the U-shaped sections are connected to the liquid outlet, and at least two of the U-shaped sections are connected to the water inlet.

The utility model also provides a cleaning robot, which comprises a robot body and the liquid storage component, wherein the liquid storage component is arranged on the robot body; the liquid storage assembly comprises a water tank, a U-shaped air duct and a supercharging device; the water tank is provided with a liquid outlet, an air inlet and a liquid storage cavity communicated with the liquid outlet and the air inlet; the air inlet end of the U-shaped air duct is higher than the highest liquid level of the water tank and is communicated with the supercharging device, and the air outlet end of the U-shaped air duct is communicated with the air inlet.

The utility model discloses a set up liquid outlet, air inlet and with the liquid storage chamber that liquid outlet and air inlet all communicate in the water tank of stock solution subassembly, with the highest liquid level setting that U type vent pipe's inlet end is higher than the water tank and communicate with supercharging device, U type vent pipe's the end of giving vent to anger and air inlet intercommunication. So set up, avoided rivers to flow backward in the supercharging device from the stock solution intracavity, and then the protection supercharging device does not receive the damage.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a schematic view of a portion of a liquid storage assembly according to an embodiment of the present invention;

FIG. 2 is an exploded view of an embodiment of the liquid storage assembly of the present invention;

fig. 3 is a partial cross-sectional view of an embodiment of the liquid storage assembly of the present invention.

The reference numbers illustrate:

reference numerals	Name (R)	Reference numerals	Name (R)
				Liquid storage assembly	100	Water tank lower cover	118
Water tank	110	U-shaped vent pipe	120
				Liquid outlet	111	First connecting section	121
Air inlet	112	Second connecting section	122
				Liquid storage cavity	113	Third connecting section	123
Annular partition plate	114	Supercharging device	130
				Mounting cavity	115	Liquid outlet pipe	140
Butt joint	116	U-shaped section	141
				Water tank upper cover	117	Water inlet section	142

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as up, down, left, right, front, back, 8230; \8230;) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the attached drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

Furthermore, the descriptions in the present application related to "first", "second", etc. are for descriptive purposes only and are not to be construed as indicating or implying relative importance or to imply that the number of technical features indicated are implicitly being indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, it should be considered that the combination of the technical solutions does not exist, and is not within the protection scope of the present invention.

Referring to fig. 1 to 3, the present invention provides a liquid storage assembly 100 applied to a cleaning robot, wherein the liquid storage assembly 100 can store and provide cleaning liquid, such as water, soap solution, etc., for the cleaning robot, the cleaning robot can use the cleaning liquid to clean the ground, for example, a mopping robot uses the cleaning liquid to wet the mop, and a mopping robot uses the cleaning liquid to wash the ground.

The liquid storage assembly 100 comprises a water tank 110, a U-shaped air duct 120 and a pressure boosting device 130; the water tank 110 is provided with a liquid outlet 111, a gas inlet 112 and a liquid storage cavity 113, the liquid storage cavity 113 is communicated with the liquid outlet 111, and the liquid storage cavity 113 is communicated with the gas inlet 112; the air inlet end of the U-shaped ventilation pipeline 120 is higher than the highest liquid level of the water tank 110, the air inlet end of the U-shaped ventilation pipeline 120 is communicated with the pressure boosting device 130, and the air outlet end of the U-shaped ventilation pipeline 120 is communicated with the air inlet 112.

The water tank 110 may be square, circular or other irregular shapes, and is configured according to practical application, and is not limited specifically herein; the water tank 110 may be made of metal such as aluminum, iron, etc., and generally, the water tank 110 is made of plastic, so that it is light and low in cost.

Above-mentioned liquid outlet 111 can set up in the bottom of stock solution chamber 113 to the cleaning solution flows out and cleans ground from the bottom, and this liquid outlet 111 also can adopt the water pipe as the direction, sets up in the top or the side in stock solution chamber 113, and concrete practical application that combines sets up does not do specific injecing here. The air inlet 112 may be located at the top of the reservoir 113, or may be located at the bottom of the reservoir 113, which is not particularly limited herein.

The U-shaped ventilation duct 120 may be U-shaped as a whole or may be partially U-shaped; the U-shaped vent pipe can be a hard pipe or a hose and is additionally provided with a fixing piece for constraint, so that the hose is shaped into a U shape; the U-shaped ventilation duct 120 may be a metal pipe or a plastic pipe, and is not limited in particular.

The U-shaped pipe can be a section or can be split into a plurality of sections; this U type air duct 120 can wholly be located the water tank 110 outside, also can wholly be located stock solution chamber 113, can also partly be located the water tank 110 outside, and the part is located stock solution chamber 113, does not do specific restriction here.

It should be noted that, considering that the liquid level of the U-shaped ventilation pipe 120 is level with the liquid level in the water tank 110, when the liquid level in the water tank 110 rises to a certain height, the liquid at the air inlet end of the U-shaped ventilation pipe 120 overflows and flows into the pressure boosting device 130, and then damages the pressure boosting device 130, and therefore, the air inlet end of the U-shaped ventilation pipe 120 is higher than the highest liquid level setting of the water tank 110.

After the operation of the supercharging device 130 stops, the air pressure in the U-shaped vent pipe is reduced, the liquid in the liquid storage cavity 113 flows back into the U-shaped vent pipe, the water path stroke of the U-shaped vent pipe is long, the water storage capacity is strong, the water pressure of the backflow liquid gradually tends to be stable before the backflow liquid does not flow out of the U-shaped vent pipe 120, and the liquid is prevented from flowing into the supercharging device 130.

The pressure increasing device 130 may be an air pump or a blower, and is not limited specifically herein, and may pump air into the liquid storage cavity 113 through the U-shaped ventilation pipe 120, so as to increase the air pressure in the liquid storage cavity 113.

The pressurizing device 130 may be installed outside the water tank 110, or may be installed on the cleaning robot, and the pressurizing device 130 may be installed in various manners, such as bonding, clamping, and bolting, which are not specifically limited herein.

Specifically, when the liquid storage assembly 100 drains water, the pressurizing device 130 operates, gas is discharged into the water tank 110 through the U-shaped vent pipe, the air pressure of the liquid storage cavity 113 is increased, and the cleaning liquid is pressed out from the liquid outlet 111; when the liquid storage assembly 100 stops draining, the pressurizing device 130 stops operating, the air pressure in the liquid storage tank is gradually reduced to be smaller than the external atmospheric pressure, and the cleaning liquid does not flow out any more.

The utility model discloses a set up liquid outlet 111, air inlet 112 and with the liquid storage cavity 113 of liquid outlet 111 and the equal intercommunication of air inlet 112 in the water tank 110 of stock solution subassembly 100, with the highest liquid level setting that the inlet end of U type vent pipe 120 is higher than water tank 110 and communicate with supercharging device 130, U type vent pipe 120's the end of giving vent to anger and air inlet 112 intercommunication. By such arrangement, water flow is prevented from flowing backwards into the supercharging device 130 from the liquid storage cavity 113, and the supercharging device 130 is protected from being damaged.

Referring to fig. 2 and 3, in some embodiments of the present invention, the U-shaped ventilation duct 120 includes a first connection section 121, a second connection section 122, and a third connection section 123, wherein the first connection section 121 is fixed to the water tank 110 and extends in a horizontal direction; one end of the second connecting section 122 is communicated with one end of the first connecting section 121, and the other end of the second connecting section 122 extends vertically and is communicated with the supercharging device 130; one end of the third connecting section 123 communicates with the first connecting section 121, and the other end of the third connecting section 123 extends in the vertical direction and communicates with the air inlet 112. So set up, three linkage segment combinations form the U type, and U type breather pipe 120 segmentation installation is more convenient.

By way of example and not limitation, the vertical extension described herein may include at least one of: at least partly in a direction perpendicular to the horizontal plane and at least partly in a direction inclined to the horizontal plane.

The connection modes among the connection sections are various, and can be in insertion fit, threaded connection or clamping connection, and the connection modes among the connection sections are many, which are not listed.

For example, an assembly hole is formed in a side wall of the water tank 110, the first connecting section 121 may be inserted into the assembly hole, may be fixed in the assembly hole by a thread, and may be in interference fit with the assembly hole, and the fixing manner of the first connecting section 121 to the water tank 110 is various, and is not limited specifically herein.

Considering that the water tank 110 is in practical use, the shape of the water tank 110 is generally adapted to the main body of the cleaning robot and no housing is provided for simplifying the structure, reducing the weight, reducing the cost, and the like, and the pressurizing device 130 is disposed outside the water tank 110 and has a high risk of being knocked and damaged.

To solve the above problem, please refer to fig. 1 to 3, in some embodiments of the present invention, an annular partition plate 114 is disposed in the liquid storage cavity 113, the annular partition plate 114 and the cavity wall of the liquid storage cavity 113 together enclose to form an installation cavity 115, and the installation cavity 115 is used for accommodating the pressure boosting device 130; the first connecting section 121 is disposed through the annular partition 114, the second connecting section 122 is located in the installation cavity 115, the second connecting section 122 communicates the first connecting section 121 with the pressure boosting device 130, the third connecting section 123 is located in the liquid storage cavity 113, and the third connecting section 123 communicates the second connecting section 122 with the air inlet 112.

So set up, supercharging device 130 is installed in installation cavity 115, is protected by annular baffle 114 not influenced by the interior liquid of stock solution chamber 113, and simultaneously, water tank 110 outer wall also can protect U type air duct 120 and supercharging device 130 not collided with.

The annular partition 114 can be welded or bonded to the cavity wall of the liquid storage cavity 113, preferably, in some embodiments of the present invention, the annular partition 114 is integrally formed with the liquid storage cavity 113. So set up, structural strength is higher.

Above-mentioned installation cavity 115 not only can be used for holding supercharging device 130 the utility model discloses an in some embodiments, the mop of mopping the floor machine people sets up in stock solution subassembly 100 below, and the mop adopts the carousel formula structure to install motor drive, the motor is installed in installation cavity 115. So set up, stock solution assembly 100 exhaust cleaning solution can directly flow and drop to the mop and wet the mop, and the mop that is located the motor drive stock solution assembly 100 below of installation cavity 115 rotates in order to clean ground, and the structure is compacter.

It should be noted that, the first connecting section 121 is disposed through the annular partition 114, a sealing structure is disposed between a tube wall of the first connecting section 121 and the annular partition 114 to ensure that liquid and gas do not leak, and the first connecting section 121 and the annular partition 114 may be connected in a sliding manner or in a fixed manner, which is not limited specifically herein.

The connection between the first connection section 121 and the annular partition 114 is various, for example, a mounting hole is formed in the annular partition 114, and the first connection section 121 is welded in the mounting hole; as another example, the assembly hole is in interference fit with the first connection section 121; preferably, in some embodiments of the present invention, the first connecting section 121 is integrally formed with the annular partition 114. So set up, structural strength is high, and is sealed effectual.

Further, please refer to fig. 2 and fig. 3, in consideration of the fact that the joint between the first connection section 121 and the second connection section 122 needs to be bent, which causes uneven stress distribution of the pipeline, and long-term bending also causes stress fatigue, which causes a reduction in the service life of the pipeline. So set up, be the form of buckling promptly under the first linkage segment 121 natural state, be connected the back with second linkage segment 122 and both junctions produce deformation hardly, and internal stress is less, and is less to the influence of pipeline life-span.

Referring to fig. 2 and 3, in some embodiments of the present invention, an end of the third connecting section 123 far away from the first connecting section 121 is bent downward, so that the end of the third connecting section 123 far away from the first connecting section 121 is lower than the first connecting section 121. So configured, the U-shaped vent conduit 120 is configured as a partial U-shape formed by the first connecting segment 121, a portion of the second connecting segment 122 adjacent to the first connecting segment 121, and a portion of the third connecting segment 123 adjacent to the first connecting segment 121.

The end of the third connecting section 123 far from the first connecting section 121 may be suspended at the bottom of the liquid storage cavity 113, or may be fixed at the bottom of the liquid storage cavity 113, considering that when the supercharging device 130 operates, the third connecting section 123 is impacted by the internal airflow, which easily causes the third connecting section 123 to vibrate violently in the liquid storage cavity 113 to cause abnormal sound, and the bending part of the third connecting section 123 is easy to deform or even break.

Therefore, in some embodiments of the present invention, the third connecting section 123 is fixedly connected to the bottom of the liquid storage cavity 113. So set up, the both ends of third linkage segment 123 respectively with the chamber bottom and the first linkage segment 121 fixed connection of stock solution chamber 113, the structure is more firm.

This third linkage segment 123 is various with the mode of the fixed connection at the bottom of the liquid storage cavity 113 chamber, can be bonding, joint, grafting etc. preferably, please refer to fig. 1 to 3, in some embodiments of the utility model, the chamber in water storage cavity is provided with the butt joint 116 at the bottom, and the air inlet is seted up in butt joint 116, and the one end of keeping away from first linkage segment 121 in the third linkage segment 123 is pegged graft with butt joint 116 and is cooperated. So set up, third linkage segment 123 and butt joint 116 easy dismounting.

The structure of the butt joint 116 is various, and preferably, referring to fig. 2 and fig. 3, in some embodiments of the present invention, an insertion tube is protruded from the bottom wall of the liquid storage cavity 113, an air inlet channel is penetrated through the side wall of the insertion tube, and the third connecting section 123 is inserted and communicated with the insertion tube. So configured, the gas blown by the pressurizing device 130 can be discharged through the third connecting segment 123 and into the cartridge, and then enter the liquid storage cavity 113 through the gas inlet channel.

Referring to fig. 1 and 2, in some embodiments of the present invention, the liquid storage assembly 100 further includes a liquid outlet pipe 140, the liquid outlet pipe 140 includes a U-shaped section 141 and a water inlet section 142, one end of the U-shaped section 141 is communicated with the liquid outlet 111, the other end of the U-shaped section 141 is communicated with the water inlet section 142, and one end of the water inlet section 142, which is far away from the U-shaped section 141, extends to the bottom of the liquid storage cavity 113.

So set up, when stock solution chamber 113 internal gas pressure crescent, the gas extrusion liquid risees to the one end of U type section 141 through water inlet section 142, utilizes U type section 141 to increase the water pressure drop, and when the liquid in stock solution chamber 113 flows out from liquid outlet 111 through drain pipe 140, needs the atmospheric pressure in stock solution chamber 113 and external atmospheric pressure difference enough big, avoids supercharging device 130 stop work after, the problem of water tank 110 leaking.

Further, in some embodiments of the present invention, the outlet pipe 140 includes at least two U-shaped sections 141, the at least two U-shaped sections 141 are sequentially connected to each other, one of the at least two U-shaped sections 141 is connected to the outlet port 111, and the other of the at least two U-shaped sections 141 is connected to the inlet section 142. With such an arrangement, the plurality of U-shaped sections 141 further increase the water pressure drop to prevent water leakage from the water tank 110 when the pressure boosting device 130 stops operating.

Considering that in the cleaning robot application, the single outlet 111 of the water tank 110 limits the cleaning range and the cleaning efficiency of the cleaning robot, for example, the floor mopping robot needs a sufficient amount of water to wet the mop, while the single outlet 111 has a slow outlet speed of the water tank 110, as another example, when the floor mopping robot wets and brushes the floor, the single outlet 111 and the water tank 110 can only wet the vicinity range of the cleaning liquid flowing down to the floor, and the diameter of the wetting range of the floor is smaller than the rolling brush length of the floor mopping robot.

In order to solve the above problem, please refer to fig. 1 and fig. 2, in some embodiments of the present invention, the water tank 110 is provided with two liquid outlets 111, the liquid outlet pipe 140 further includes a three-way pipe, one end of the three-way pipe communicates with one end of the U-shaped section 141, and the other two ends of the three-way pipe respectively communicate with the two liquid outlets 111, so as to improve the liquid outlet speed of the water tank 110 and enlarge the falling range of the cleaning liquid.

Further, in order to conveniently install the U-shaped air duct 120 and the liquid outlet pipe 140 in the water tank 110, the water tank 110 is divided into an upper water tank cover 117 and a lower water tank cover 118 which are detachably connected, and the U-shaped air duct 120 and the pressurizing device 130 are both installed on the lower water tank cover 118. So set up, make things convenient for dismouting water tank 110 to overhaul the change or wash with pipeline and the part to water tank 110 inside.

The above-mentioned water tank upper cover 117 and the detachable connection mode of water tank lower cover 118 are various, for example, two pairs of positioning blocks are convexly provided at the opposite positions of the side surfaces of the water tank upper cover 117 and the water tank lower cover 118 near the cover closing surface, and each pair of positioning blocks are penetrated with a communicating bolt hole and fixedly connected through a bolt.

Preferably, referring to fig. 2, in some embodiments of the present invention, the periphery of the covering surface of the lower water tank cover 118 is concavely provided with an insertion groove, and the periphery of the covering surface of the upper water tank cover 117 is correspondingly convexly provided with an insertion strip and is inserted into the insertion groove. So set up, simple structure, easy dismounting.

Further, consider that water tank 110 can dismantle the sealed problem of junction, prevent that water tank 110 from leaking gas the utility model discloses an in some embodiments, the inside and outside both sides cell wall of inserting groove all is fixed with the sealing rubber strip. So set up, the gas tightness is better, has avoided stock solution chamber 113 internal gas pressure to reduce, and in external atmospheric pressure passed through the tiny assembly gap entering stock solution chamber 113 between water tank upper cover 117 and the water tank lower cover 118, the internal gas pressure of stock solution chamber 113 kept level with atmospheric pressure gradually, and then leads to drain pipe 140 to form siphonage and produce the problem of leaking.

The utility model also provides a cleaning machines people, this cleaning machines people is for the robot that can clean the object, and this cleaning machines people includes machine body and stock solution subassembly 100, and this stock solution subassembly 100 is installed in machine body. The specific structure of the liquid storage assembly 100 refers to the above embodiment; the machine body can move by itself and clean the ground in combination with the cleaning liquid provided by the liquid storage assembly 100. Since the cleaning robot adopts all technical solutions of all the embodiments, at least all the beneficial effects brought by the technical solutions of the embodiments are achieved, and no further description is given here.

The above-mentioned mode that stock solution subassembly 100 was installed in the machine body can be fixed mounting in the machine body, and preferably, this stock solution subassembly 100 demountable installation is in the machine body, and demountable installation's mode is various, and for example, this stock solution subassembly 100 passes through bolt fixed connection with the machine body, if, sets up fixture block and joint interface and joint installation respectively at the installation face of machine body and stock solution subassembly 100 again. There are many ways in which the liquid storage assembly 100 can be detachably mounted on the machine body, and the details thereof are not repeated herein.

The relative position of the liquid storage assembly 100 mounted on the machine body may be located on one side of the machine body in the traveling direction, may be located on the opposite side of the machine body in the traveling direction, and may also be located at the bottom of the machine body, which is not specifically limited herein.

Further, in some embodiments of the present disclosure, the machine body includes a control module electrically connected to the supercharging device 130 to control the operation and closing of the supercharging device 130. So set up, the discharge amount and the discharge speed of cleaning solution are adjusted and control to cleaning robot accessible automatic control pressure boost device 130's length of operation and power intelligence, practice thrift the cleaning solution.

The above only is the preferred embodiment of the present invention, not so limiting the patent scope of the present invention, all under the inventive concept of the present invention, the equivalent structure transformation made by the contents of the specification and the drawings is utilized, or the direct/indirect application in other related technical fields is included in the patent protection scope of the present invention.

Claims

1. A liquid storage assembly is applied to a cleaning robot and is characterized by comprising a water tank, a U-shaped air duct and a supercharging device; wherein,

2. The liquid storage assembly as defined in claim 1, wherein the U-shaped air duct includes a first connecting section, a second connecting section and a third connecting section, the first connecting section being fixed to the tank and extending in a horizontal direction;

3. The liquid storage assembly of claim 2, wherein an annular partition is disposed in the liquid storage cavity, and the partition and a wall of the liquid storage cavity together define a mounting cavity for accommodating the pressurizing device;

4. A liquid storage assembly as claimed in claim 3, wherein the first connecting section is integrally formed with the partition.

5. A liquid storage assembly as claimed in claim 2, wherein the end of the first connecting section remote from the third connecting section is bent upwards to form a plug, and the second connecting section is in plug fit with the plug.

6. A liquid storage assembly as claimed in claim 2, wherein an end of the third connecting section remote from the first connecting section is bent downwardly such that the end of the third connecting section remote from the first connecting section is disposed lower than the first connecting section.

7. A liquid storage assembly as claimed in claim 6 wherein the liquid storage chamber is provided with an abutment at the bottom, the air inlet is provided in the abutment, and the end of the third connecting section remote from the first connecting section is in plug-in engagement with the abutment.

8. A liquid storage assembly as claimed in any one of claims 1 to 7 further comprising a liquid outlet pipe, the liquid outlet pipe comprising a U-shaped section and a water inlet section, one end of the U-shaped section being in communication with the liquid outlet, the other end of the U-shaped section being in communication with the water inlet section, and one end of the water inlet section remote from the U-shaped section extending to the bottom of the liquid storage chamber.

9. The liquid storage assembly as defined in claim 8 wherein the liquid outlet tube includes at least two U-shaped sections, at least two of the U-shaped sections being sequentially in communication, one of the at least two U-shaped sections being in communication with the liquid outlet and another of the at least two U-shaped sections being in communication with the water inlet section.

10. A cleaning robot comprising a machine body and a reservoir assembly as claimed in any one of claims 1 to 9 mounted to the machine body.