CN218474558U - Floating member, water tank and cleaning robot - Google Patents

Abstract

The utility model relates to a cleaning machines technical field especially relates to a floating piece, water tank and cleaning robot. The floating piece comprises a main body part and a connecting nozzle, wherein the main body part is provided with a communicating channel which runs through the main body part; the connecting nozzle is communicated with one end of the communicating channel and is suitable for being connected with an air hose. The utility model provides a floating part is through setting up main part and connection mouth on floating part to set up the intercommunication passageway that link up in the main part on the main part, set up the internal channel of through connection mouth in connecting the mouth, connect the one end and the intercommunication passageway intercommunication of the internal channel of mouth, thereby make to form the passageway that can communicate the gas of floating part top and bottom in the floating part. In this way, when the float floats on the surface of the liquid, the space above the liquid surface can exchange gas with the other end of the air hose through the float and the air hose.

Description

Floating member, water tank, and cleaning robot

Technical Field

The utility model relates to a cleaning machines technical field especially relates to a floating piece, water tank and cleaning robot.

Background

The cleaning robot can be used for cleaning glass curtain walls and belongs to a high-altitude plane wall washing robot. When the cleaning robot is used for cleaning the glass curtain wall, the chassis of the cleaning robot is adsorbed on the outer vertical surface of the high building, and water needs to be supplied to the cleaning robot when the glass curtain wall is cleaned. In order to facilitate the operation of the washing robot, a water tank may be provided on the washing robot for storing water and supplying water during the washing process. When water is injected into the water tank and the water tank discharges water outwards, the air pressure inside the water tank changes to influence water injection and water discharge, and even the water tank is damaged. It is therefore desirable to provide a structure or means for maintaining a balance between the air pressure inside and outside the tank. Among the prior art, often adopt fixed gas vent to exhaust, and this kind of structure setting, take place the slope when the water tank, its inside liquid level can submerge the gas vent and lead to the exhaust inefficacy, consequently, can't satisfy the water tank and be suitable for the work demand under the walking gesture of multiple robot.

SUMMERY OF THE UTILITY MODEL

The utility model provides a floating piece, water tank and cleaning machines people for solve among the prior art exhaust apparatus of the last water tank of cleaning machines people can not adapt to the water tank and work under multiple gesture, receive the liquid influence easily and lead to the defect that exhaust function became invalid, realize cleaning machines people during operation under different gestures, inside and outside atmospheric pressure of water tank can keep balance, the water tank normally provides water to cleaning machines people.

The utility model provides a floating part, include: the main body part is provided with a communication channel penetrating through the main body part;

a connector nozzle in communication with the first end of the communication channel, the connector nozzle adapted to connect to an air hose.

According to the utility model provides a pair of floating piece, the main part includes: the floating head part is internally provided with a hollow cavity and is provided with the communication channel, and the communication channel is spaced from the hollow cavity;

the counter weight portion, it fills the cavity to have in the counter weight portion, connect the mouth and locate counter weight portion, counter weight portion with it connects to float the head.

According to the floating piece provided by the utility model, the side of the floating head part facing the counterweight part is provided with a connecting part,

the counterweight portion is towards be equipped with the mounting groove on one side of floating head portion, connecting portion insert locate in the mounting groove and with mounting groove inner wall threaded connection.

According to the floating piece provided by the utility model, the outer side wall of the floating head part facing the counterweight part is a plane, the connecting part protrudes out of the plane,

the end part of the mounting groove is abutted to the plane.

According to the utility model provides a pair of float, it is equipped with the aspirating hole on the head to float, the aspirating hole with well plenum chamber intercommunication, it is used for sealing still to be provided with on the head to float the stopper of aspirating hole.

According to the utility model provides a pair of floating piece, the cross-sectional area of the internal passage of connector lug is less than the cross-sectional area of intercommunication passageway.

According to the floating piece provided by the utility model, the second end of the communicating channel is positioned on the outer wall surface of the main body part,

the outer wall surface of the main body part is provided with a communicating groove, and the communicating groove is communicated with the second end of the communicating channel.

According to the utility model provides a pair of floating piece, the intercommunication groove is a plurality of, and is a plurality of at least exist in the intercommunication groove one with the intercommunication passageway intercommunication.

The utility model also provides a water tank, include: the box body is provided with an air outlet;

the floating piece is any one of the floating pieces, and a connecting nozzle of the floating piece is communicated with the exhaust port through a ventilation hose.

The utility model also provides a cleaning robot, including foretell water tank.

The utility model provides a floating piece is through setting up main part and connection mouth on floating piece to set up the intercommunication passageway that link up in the main part on the main part, set up the inner channel of through connection mouth in the connection mouth, the one end and the intercommunication passageway intercommunication of the inner channel of connection mouth, thereby make and form the gaseous passageway that can communicate floating piece top and bottom in the floating piece. In this way, when the float floats on the surface of the liquid, the space above the liquid surface can exchange gas with the other end of the air hose through the float and the air hose.

Drawings

In order to more clearly illustrate the technical solutions of the present invention or the prior art, the following briefly introduces the drawings required for the embodiments or the prior art descriptions, and obviously, the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a front view of a water tank of an embodiment of the present invention;

fig. 2 is a right side view of a water tank of an embodiment of the present invention;

FIG. 3 is a top view of a water tank of an embodiment of the present invention, without the sealing lid;

FIG. 4 isbase:Sub>A cross-sectional view ofbase:Sub>A water tank of an embodiment of the present invention taken along section A-A;

FIG. 5 is a front view of a float according to an embodiment of the present invention;

fig. 6 is a left side view of a float according to an embodiment of the present invention;

FIG. 7 is a top view of a float according to an embodiment of the present invention;

FIG. 8 is a cross-sectional view of a float member of an embodiment of the present invention in section B-B;

fig. 9 is a schematic view of the internal state of the water tank in the vertical posture according to the embodiment of the present invention;

fig. 10 is a front view of a cleaning robot according to an embodiment of the present invention.

Reference numerals:

100. cleaning a robot; 101. a chassis;

200. a water tank;

210. a box body; 211. an exhaust port; 212. a water outlet; 213. a sewage draining outlet; 214. a water injection port; 215. a first chamber; 216. a second chamber; 217. a first member; 2171. a first buckling part; 218. a second component; 2181. a second fastening part; 2191. mounting a plate; 2192. reinforcing ribs; 2193. a functional interface;

220. a counterweight; 221. a water hose;

230. a pipe joint;

240. a partition plate; 241. a communicating hole;

250. a sealing cover;

260. a float member; 261. an air hose;

262. a main body portion; 2621. a floating head part; 2622. a communication channel; 2623. a hollow chamber; 2624. a connecting portion; 2625. an air exhaust hole; 2626. a communicating groove;

263. a counterweight portion; 2631. mounting grooves; 2632. filling the chamber;

264. a connecting nozzle;

a. a water line.

Detailed Description

To make the objects, technical solutions and advantages of the present invention clearer, the drawings of the present invention are combined to clearly and completely describe the technical solutions of the present invention, and obviously, the described embodiments are 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.

The floating member 260, the water tank 200 and the cleaning robot 100 according to the embodiment of the present invention will be described with reference to fig. 1 to 10. It should be noted that the cleaning robot 100 may be used for cleaning a glass curtain wall, belongs to a high-altitude plane wall cleaning robot, and may also be called a "spider man". The cleaning robot 100 is attached to the outer vertical surface of the high-rise building, the cleaning system is tightly attached to the wall surface by adopting a brush-wash-scrape multiple cleaning design, and each piece of glass is cleaned for multiple times.

Here, the water tank 200 may be applied in a cleaning machine (e.g., the washing robot 100) to play a role of storing liquid. When filling liquid into the tank 200 or emptying liquid, the floating member 260 may float above the liquid level inside the tank 200, and the floating member 260 communicates with the space above the liquid level inside the tank 200, and keeps the air pressure inside the tank 200 balanced with the air pressure outside the tank 200, thereby preventing the tank 200 from bursting or being crushed.

Referring to fig. 1 and 4, a water tank 200 according to an embodiment of the present invention includes: a tank body 210, a float member 260, a weight member 220, and a coupling 230.

Specifically, as shown in fig. 1 and 2, the housing 210 is provided with an air outlet 211, a water outlet 212, and a sewage drain 213. It can be understood that the gas can be discharged through the gas outlet 211, that is, the gas outlet 211 can communicate the inside of the water tank 200 with the external gas pressure of the water tank 200, so that the internal gas pressure of the water tank 200 can be kept balanced during the water filling and draining processes, and the tank body 210 can be prevented from being burst or being flattened. The drain port 212 is used to drain the liquid in the water tank 200. Dirt and impurities in the tank body 210 can be discharged through the drain outlet 213, and the water tank 200 is convenient to clean. In some embodiments, a drain outlet 213 may be provided at the bottom of the tank 210 to facilitate the drainage of dirt deposited on the bottom of the tank 210.

Referring to fig. 4, the float member 260 has a vent hole positioned above the liquid level in the tank body, the vent hole of the float member 260 communicates with the vent hole 211 through a vent hose 261, and the gas inside the tank body 210 communicates with the outside of the water tank 200 through the float member 260. The float member 260 communicates with the gas outlet 211 through a breather hose 261, forming a gas flow passage. That is, the floating member 260 may float on the water surface, and the air on the upper side of the water surface may flow into the floating member 260, and the air flow may enter the air hose 261 through the floating member 260 and be discharged through the air hose 261 and the air outlet 211.

When the volume of the liquid in the box body 210 changes, air can circulate through the air flow channel, so that the air pressure inside and outside the box body 210 keeps balance, and the probability that the box body 210 is flattened because the internal air pressure is lower than the external air pressure or is expanded and exploded because the internal air pressure is higher than the external air pressure is reduced.

Referring to fig. 9, when the tank 200 is in the upright posture, the water level line a is located as indicated by the chain line in fig. 9, the floating member 260 floats on the water surface by the buoyancy, the floating member 260 communicates with the space above the water surface, so that one end of the air flow channel formed by the floating member 260 and the air hose 261 communicates with the air outlet 211, and the other end of the air flow channel communicates with the space above the water surface in the tank body 210. When water is injected into the water tank 200, the gas in the tank body 210 may be discharged out of the tank body 210 through the float member 260; when the water tank 200 is drained, external air enters the water tank 200 through the air outlet 211 to supplement the reduced air-liquid volume, so that air pressure inside and outside the tank body 210 can be kept balanced, and the probability that the tank body 210 is damaged is reduced.

Referring to fig. 4, when the tank 200 is in a horizontally-placed posture, the water level line a is located as indicated by a chain line in fig. 4, the floating member 260 floats on the water surface by buoyancy, the floating member 260 communicates with the space above the water surface, so that one end of the air flow channel formed by the floating member 260 and the air hose 261 communicates with the air outlet 211, and the other end of the air flow channel communicates with the space above the water surface in the tank 210. When water is injected into the water tank 200, the gas inside the tank 210 may be discharged out of the tank 210 through the float member 260; when the water tank 200 is drained, external air enters the water tank 200 through the air outlet 211 to supplement the reduced volume of the gas and the liquid, so that the air pressure inside and outside the tank body 210 can be kept balanced, and the probability that the tank body 210 is damaged is reduced.

Referring to fig. 4, the weight member 220 is connected to the drain port 212 through the water hose 221, the weight member 220 moves to the bottom of the tank 210 by gravity, and the water in the bottom of the tank 210 is discharged through the weight member 220 and the water hose 221. The weight 220 is communicated with the drain port 212 through the water hose 221, the weight 220, the water hose 221 and the drain port 212 form a liquid flow path, and when the tank 210 is supplied with water to the outside, water flows out from the inside of the tank 210 through the liquid flow path. The average density of the weight member 220 is greater than that of the liquid stored in the tank 210, so that the weight member 220 is automatically transferred to the lowest portion of the tank 210 by gravity, thereby maintaining one end of the liquid flow path in contact with the liquid, and facilitating the discharge of the liquid.

Referring to fig. 9, when the water tank 200 is in the upright posture, the weight member 220 is lowered to the lowest portion of the tank body 210 by gravity, one end of the liquid flow path is in contact with the lowest portion of the tank body 210, and when the water tank 200 is drained to the outside, water enters the liquid flow path through the weight member 220 and is finally discharged from the drain port 212. After the water tank 200 is drained to the outside for a certain period of time, the water level in the water tank 200 is lowered, and since the weight member 220 can be maintained at the lowest position of the tank body 210, the liquid passage can be maintained in contact with the water during the draining process, so that the draining process can be continued.

Referring to fig. 4, the coupling 230 is detachably coupled to the soil outlet 213. The pipe joint 230 is used for blocking the sewage outlet 213 of the tank body 210, when liquid is stored in the water tank 200, the pipe joint 230 blocks the sewage outlet 213, and when the interior of the tank body 210 is cleaned, dirt and water are deposited at the bottom of the inner cavity of the tank body 210, and the sewage can be cleaned by disassembling the pipe joint 230. In some embodiments, the pipe joint 230 is connected to the sewage drain 213 in a manner not limited to one, and may be connected by a screw thread or a plug-in manner.

According to the utility model discloses water tank 200, through setting up gas vent 211, and gas vent 211 is connected with the floating piece 260 of floating above the liquid surface through breather hose 261, and water tank 200 is under different gestures, and floating piece 260 can communicate the inside atmospheric pressure of box 210 with the outside atmospheric pressure of box 210, makes box 210 inside, outer atmospheric pressure keep balanced, avoids box 210 to be less than outside atmospheric pressure because of inside atmospheric pressure and is squashed, perhaps rises because of inside atmospheric pressure is higher than outside atmospheric pressure and explodes. The water discharge port 212 is connected to the weight member 220 through the water hose 221 so that one end of the liquid flow path is kept in contact with the liquid, and thus, water can be discharged to the outside of the tank body 210 through the water discharge port 212 when the posture of the water tank 200 is changed, which is advantageous in prolonging the service life of the water tank 200.

Referring to fig. 3 and 4, according to some embodiments of the present invention, the water tank 200 further includes a partition 240, the partition 240 is located in the tank 210, the partition 240 divides the inside of the tank 210 into the first chamber 215 and the second chamber 216, the partition 240 is provided with a communication hole 241, the first chamber 215 and the second chamber 216 are communicated through the communication hole 241, the air hose 261 and the floating member 260 are located in the first chamber 215, and the water hose 221 and the weight member 220 are located in the second chamber 216. The space for movement of the air hose 261 and the floating member 260 in the tank 210 can be maintained in the first chamber 215 by the partition 240, and the space for movement of the water hose 221 and the weight member 220 can be maintained in the second chamber 216, so that the water hose 221 and the air hose 261 can be prevented from being entangled and knotted with each other when the posture of the tank 210 is changed or the fluid in the tank 210 flows, thereby reducing the possibility of malfunction. Meanwhile, the partition 240 is provided with the communication hole 241, and the liquid can flow in the first chamber 215 and the second chamber 216, reducing the mutual influence between the air discharge process and the water discharge process of the water tank 200.

Referring to fig. 4, according to some embodiments of the present invention, the volume of the first chamber 215 is greater than the volume of the second chamber 216. The floating member 260 is located in the first cavity 215 with a large volume, which can provide sufficient space for the floating member 260 to move, and is beneficial to keeping the air pressure inside and outside the box 210 balanced.

Of course, in other possible embodiments, the volume of the first chamber 215 may also be set to be less than or equal to the volume of the second chamber 216.

Referring to fig. 4, according to some embodiments of the present invention, the partition 240 is fixedly connected to or integrally formed with the case 210; or the partition 240 may be detachably coupled to the case 210. For example, in some embodiments, the partition 240 is clamped with the inner wall of the box 210, one of the inner wall of the box 210 and the partition 240 is provided with a clamping groove, the other of the partition 240 and the inner wall of the box 210 is provided with a protrusion, the protrusion can be inserted into the clamping groove, the protrusion and the clamping groove are tightly buckled, and the partition 240 can be stably placed between the first cavity 215 and the second cavity 216.

Or, the partition 240 and the inner wall of the box 210 may be connected by screws, and corresponding mounting holes may be provided on the partition 240 and the inner wall of the box 210 for screw connection. The partition 240 is detachably mounted inside the box body 210, and when the inside of the box body 210 is overhauled and maintained, the partition 240 can be detached, so that the overhaul and the maintenance are convenient.

Referring to fig. 4, according to some embodiments of the present invention, the tank body 210 further includes a first member 217 and a second member 218, the first member 217 and the second member 218 are fastened to each other, and the water tank 200 can be disassembled to inspect the inside of the tank body 210 when being maintained. A first engaging portion 2171 is provided at a position where the first member 217 and the second member 218 are connected, a second engaging portion 2181 is provided at a position where the second member 218 and the first member 217 are connected, and the first engaging portion 2171 and the second engaging portion 2181 are sealed and engaged and connected.

In some embodiments of the present invention, one of the first fastening portion 2171 and the second fastening portion 2181 is a fastening groove, and the other is a protrusion adapted to be inserted into the fastening groove. The engaging groove of one of the first engaging portion 2171 and the second engaging portion 2181 is tightly engaged with the protrusion of the other of the first engaging portion 2171 and the second engaging portion 2181, so that the sealing performance of the case 210 can be improved.

According to some embodiments of the present invention, the outer side wall of the box 210 is provided with at least one mounting plate 2191. For example, in the example shown in fig. 1 and 3, the outer sidewall of the box 210 may be provided with four mounting plates 2191, two of the mounting plates 2191 may be located at two adjacent corners of the box 210, the other two of the mounting plates 2191 may be located at opposite sides of the two adjacent corners, the vertical positions of the mounting plates 2191 may be staggered on the outer sidewall of the box 210, and the vertical position of the mounting plates 2191 may be located near the position where the first component 217 and the second component 218 are connected. Thus, the water tank 200 can be more stably mounted at the corresponding mounting position.

Further, a reinforcing rib 2192 is provided between the mounting plate 2191 and the outer surface of the case 210. Referring to fig. 1 and 2, the ribs 2192 may be a triangular structure between the lower side of the mounting plate 2191 and the outer surface of the tank body 210, wherein the number of the ribs 2192 may be determined according to the volume of the water tank 200 and the number of the mounting plates 2191. The ribs 2192 may be used to support the plate 2191, may increase the strength of the plate 2191, may prevent the plate 2191 from distorting, and may improve the ability of the tank 200 to withstand the impact of liquid during movement.

Referring to fig. 1 and 3, according to some embodiments of the present invention, at least one functional interface 2193 is provided on the tank 210, and the functional interface 2193 is used for exchanging water between the water tank 200 and other functional components of the cleaning machine. For example, in the example shown in fig. 1 and 3, the tank 210 is provided with two functional interfaces 2193, one of the functional interfaces 2193 may be used to supply water to the heating device, and the water may be heated by the heating device and then may flow back to the water tank 200 through the other functional interface 2193, so as to heat the water, and the heated water may improve the cleaning effect.

According to the utility model discloses a some embodiments still are equipped with water filling port 214 on the box 210, and water filling port 214 is used for when using for the first time, perhaps is used for when the available water of water tank 200 is less than minimum requirement water level to the water injection in the box 210, and the diameter of water filling port 214 can set up bigger, can improve water injection speed, conveniently observes the water level in the water tank 200 simultaneously. The water filling port 214 is provided with a sealing cap 250, the sealing cap 250 is detachably coupled to the case 210 to seal or open the water filling port 214, the sealing cap 250 may be screw-coupled to the water filling port 214, and it can be understood that the sealing cap 250 may be opened when the water tank 200 does not operate.

Referring to fig. 8, a floating member 260 according to an embodiment of the present invention includes a body portion 262 and a connecting mouth 264.

Specifically, the main body 262 is provided with a communication passage 2622 penetrating the main body 262. The communication channel 2622 may be a cylindrical tubular channel, one end of the communication channel 2622 is located at the top end or the side part near the top end of the floating member 260, and the other end is located at the bottom part or the side part near the bottom part of the main body portion 262, and the communication channel 2622 connects the top end and the bottom part of the floating member 260 and penetrates through the floating member 260.

As shown in fig. 5 and 8 in combination, the connector 264 communicates with the first end of the communication channel 2622 and the connector 264 is adapted to connect to the air hose 261. An internal passage penetrating the connector 264 is provided in the connector 264, one end of the internal passage of the connector 264 is connected to the end of the communicating passage 2622 located at the bottom of the main body 262, and the other end of the internal passage of the connector 264 is connected to the air hose 261. The internal passage of the connector 264 is connected to a communication passage 2622 through which gas can flow from the top end of the float member 260 into the air hose 261, and the headspace can be exchanged with the other end of the air hose 261 via the float member 260 and the air hose 261 when the float member 260 floats on the surface of the liquid.

According to the utility model discloses a floating member 260 is through setting up main part 262 and connector lug 264 on floating member 260 to set up the intercommunication passageway 2622 that link up in main part 262 on the main part 262, set up the internal passage who runs through connector lug 264 in the connector lug 264, the one end and the intercommunication passageway 2622 intercommunication of the internal passage of connector lug 264, thereby make the floating member 260 interior form can communicate the passageway of the gas of floating member 260 top and bottom. Thus, when the float member 260 floats on the surface of the liquid, the space above the liquid surface can exchange gas with the other end of the breather hose 261 via the float member 260 and the breather hose 261.

Referring to fig. 4, according to some embodiments of the present invention, the connection nozzle 264 of the float member 260 communicates with the air outlet 211 of the water tank 200 through the air hose 261, one end of the air hose 261 is connected with the connection nozzle 264, and the other end is connected with the air outlet 211, and the air passage, the internal passage of the connection nozzle 264, and the air hose 261 may form an air flow passage. Thus, when liquid is injected into the water tank 200, gas above the liquid surface in the water tank 200 can be discharged through the gas flow passage and the gas discharge port 211; when the liquid is discharged from the water tank 200, the gas outside the water tank 200 can enter the water tank 200 through the gas flow passage and the gas outlet 211, so that the internal and external pressures of the water tank 200 are kept balanced, and the possibility of damaging the water tank 200 is reduced.

As shown in fig. 5 and 9 in combination, according to some embodiments of the present invention, the main body portion 262 of the floating member 260 includes: a float section 2621 and a weight 263. The floating head 2621 has a hollow cavity 2623 therein, and the floating head 2621 has a communication channel 2622, and the communication channel 2622 is spaced apart from the hollow cavity 2623. The inside of floating head 2621 can set up symmetrical structure, and intercommunication channel 2622 one end is located floating head 2621 top, and the other end is located floating head 2621 bottom, and intercommunication channel 2622 runs through floating head 2621, and well cavity 2623 surrounds intercommunication channel 2622 to be separated by floating head 2621 shell between well cavity 2623 and the intercommunication channel 2622, well cavity 2623 and intercommunication channel 2622 do not have each other and connect, each other do not influence. The hollow cavity 2623 may allow the float 260 to float on the surface of the liquid, for example, in some embodiments of the invention, the hollow cavity 2623 may be filled with a float, such as cotton; for another example, the hollow chamber 2623 may be evacuated to form a vacuum. In this manner, the average density of the float members 260 may be reduced, and the float members 260 may float on the surface of the liquid.

The weight portion 263 has a filling chamber 2632 therein, the connection nozzle 264 is provided in the weight portion 263, and the weight portion 263 is connected to the floating head 2621. The weight portion 263 is connected to the lower side of the floating head 2621, and an inner passage of the connection nozzle 264 is communicated with a communication passage 2622 of the floating head 2621. The filling chamber 2632 may be filled with weights, which may be solid in some embodiments of the present invention, such as lead blocks, iron blocks, etc.; of course, the counterweight may also be a fluid, such as lead sand, iron sand, etc. This can increase the weight and average density of the weight portion 263, and the center of gravity of the floating member 260 can move downward, and at the same time, because the average density of the floating head 2621 of the floating member 260 is small and the average density of the weight portion 263 is large, the floating member 260 can maintain the posture that the floating head 2621 faces upward and the weight portion 263 faces downward in the liquid. In some embodiments, the floating member 260 may be configured to have a large top and a small bottom, such that the center of gravity of the floating member 260 may be shifted downward to reduce tipping of the floating member 260.

According to some embodiments of the utility model, the floating head 2621 of floating piece 260 is equipped with connecting portion 2624 on one side towards counter weight portion 263, and counter weight portion 263 is equipped with mounting groove 2631 on one side towards floating head 2621, connecting portion 2624 insert locate in mounting groove 2631 and with mounting groove 2631 inner wall threaded connection. Connecting portion 2624 and mounting groove 2631 adopt detachable connection to be connected, when needs adjust or change the damage part to floating piece 260, conveniently dismantle floating head 2621 and counter weight portion 263 and adjust and change. It should be noted that the connection portion 2624 and the mounting groove 2631 are not limited to be a threaded connection, for example, in some embodiments of the present invention, the connection portion 2624 and the mounting groove 2631 may be a plug connection or a snap connection.

Further, the outer side wall of the floating head 2621 facing the counterweight 263 is a plane, the connecting portion 2624 protrudes out of the plane, the outer side wall of the floating head 2621 facing the counterweight 263 is set to be a plane, and the fitting degree of the contact plane can be improved when the floating head 2621 is connected with the counterweight 263. The end of the mounting groove 2631 abuts against the plane of the outer side wall of the floating head 2621 facing the counterweight portion 263, when the relative position of the floating head 2621 and the counterweight portion 263 meets the connection requirement, the end of the mounting groove 2631 abuts against the plane of the outer side wall of the floating head 2621 facing the counterweight portion 263, the floating head 2621 and the counterweight portion 263 are tightly connected to avoid air leakage, and the penetration of liquid along the connection gap between the floating head 2621 and the counterweight portion 263 can also be reduced. In this way, the probability of contamination of the float member 260 or retention of liquid within it is reduced.

According to some embodiments of the present invention, the floating head 2621 and the counterweight 263 are sealed between the surfaces to which they are attached. To further improve the sealing property at the connection between the floating head 2621 and the weight portion 263, a sealing member may be disposed between the connection surfaces of the floating head 2621 and the weight portion 263, for example, in some embodiments of the present invention, the sealing member may be a sealing rubber ring. Thus, the gaps between the floating head 2621 and the sealing member and between the sealing member and the weight member 220 can be reduced, so that the sealing performance of the floating member 260 can be improved, and the probability of filler leakage and external liquid penetration into the floating member 260 can be reduced.

According to some embodiments of the present invention, the floating head 2621 is provided with an air exhaust hole 2625, the air exhaust hole 2625 is communicated with the hollow cavity 2623. The pumping hole 2625 is used to pump gas out of the hollow chamber 2623, so that the hollow chamber 2623 can be in a vacuum state. For example, in some embodiments of the present invention, before the assembly of the float member 260, the gas in the hollow chamber 2623 may be pumped out by a vacuum pump or the like, and the pumping hole 2625 may be sealed by a plug, so that the hollow chamber 2623 may be kept in a vacuum state to provide conditions for the float member 260.

According to some embodiments of the present invention, the cross-sectional area of the internal channel of the connection nozzle 264 is smaller than the cross-sectional area of the communicating channel 2622, the cross-sectional area of the internal channel of the connection nozzle 264 is set to be smaller than the cross-sectional area of the communicating channel 2622, and the outer wall diameter of the corresponding connection nozzle 264 can be set to be smaller. In this way, the air hose 261 connected to the connector 264 can be used with a smaller diameter, which makes the float 260 structurally compact. Meanwhile, the cross-sectional area of the communication channel 2622 is larger than the cross-sectional area of the inner channel of the connection nozzle 264, so that a channel similar to a trumpet shape can be formed, and the flow rate of gas can be increased when the gas is discharged or sucked through the floating member 260 in the space above the liquid level.

Referring to fig. 6 and 7, according to some embodiments of the present invention, the second end of the communicating channel 2622 is located on the outer wall surface of the main body portion 262, the outer wall surface of the main body portion 262 is provided with a communicating groove 2626, the communicating groove 2626 is recessed inward of the housing from the outer wall surface of the main body portion 262, and the communicating groove 2626 is communicated with the second end of the communicating channel 2622. In some embodiments of the present invention, the second end of the communication channel 2622 may be disposed on the top of the floating head 2621. The communicating groove 2626 is communicated with the second end of the communicating channel 2622, so that when the surface of the second end of the floating member 260, which is provided with the communicating channel 2622, is attached to the inner wall of the liquid storage container, gas can flow through the communicating groove 2626, so as to reduce the probability that the gas flow channel forms negative pressure and is adsorbed on the inner wall of the liquid storage container. The communication groove 2626 is plural, and at least one of the plural communication grooves 2626 communicates with the communication passage 2622. For example, in some embodiments of the present invention, two communicating grooves 2626 may be provided, the communicating grooves 2626 may be symmetrically distributed on both sides of the second end of the communicating channel 2622, and both the communicating grooves 2626 communicate with the second end of the communicating channel 2622.

Referring to fig. 10, according to the cleaning robot 100 of the embodiment of the present invention, the cleaning robot 100 includes the water tank 200 as described above. A water tank 200 is mounted on the chassis 101 of the washing robot 100, and the water tank 200 may be used to store water used by the washing robot 100 in a washing work. The utility model discloses an in some embodiments, water tank 200 can also be used for saving cleaning robot 100 through the water of retrieving, after purifying, and the water of retrieving, after purifying can provide cleaning robot 100 and carry out the reutilization, can improve the utilization ratio of water resource like this.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims (10)

1. A float, comprising:

the main body part is provided with a communication channel penetrating through the main body part;

a connector nozzle in communication with the first end of the communication channel, the connector nozzle adapted to connect to an air hose.

2. The float of claim 1, wherein said body portion includes:

the floating head part is internally provided with a hollow cavity and is provided with the communication channel, and the communication channel is spaced from the hollow cavity;

the counterweight part is provided with a filling cavity inside, the connecting nozzle is arranged on the counterweight part, and the counterweight part is connected with the floating head part.

3. The floating member as claimed in claim 2, wherein a connecting portion is provided on a side of the floating head portion facing the weight portion, a mounting groove is provided on a side of the weight portion facing the floating head portion, and the connecting portion is inserted into the mounting groove and is in threaded connection with an inner wall of the mounting groove.

4. The float of claim 3, wherein an outer side wall of said float head portion facing said weight portion is a flat surface, said connecting portion protrudes from said flat surface, and an end portion of said mounting groove abuts against said flat surface.

5. The float member according to claim 2, wherein said float head portion is provided with an air suction hole, said air suction hole communicating with said hollow chamber, said float head portion being further provided with a plug for sealing said air suction hole.

6. A float in accordance with claim 1, wherein the cross-sectional area of the internal passage of said connector mouth is less than the cross-sectional area of said communication passage.

7. A float member according to any of claims 1 to 6, wherein the second end of said communication channel is located on an outer wall surface of said main body portion, said outer wall surface of said main body portion being provided with a communication channel communicating with the second end of said communication channel.

8. The float of claim 7 wherein said communication channel is plural, at least one of said communication channels being in communication with said communication passage.

9. A water tank, comprising:

the box body is provided with an air outlet;

a float according to any one of claims 1 to 8, the connector of the float communicating with the air outlet via an air hose.

10. A washing robot, characterized by comprising a water tank according to claim 9.

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