Water tank structure and sweeping robot

Abstract

The utility model discloses a water tank structure and a sweeping robot, the water tank structure comprises a tank body, a connecting piece and a duckbill valve, the tank body is provided with an accommodating cavity; the connecting piece is arranged on the box body, the connecting piece is provided with an input port and an output port which form a height difference, the height of the input port is larger than or equal to that of the containing cavity, and the output port is communicated with the containing cavity; the duckbill valve is arranged on the box body and extends into the containing cavity from the output port. After the containing cavity is filled with water, due to the fact that the connecting piece is provided with the input port and the output port which form the height difference, the water in the containing cavity is not prone to flowing back to the input port from the output port, the service life of the water faucet is prolonged, the duckbill valve can be closed at the same time when gas conveying is stopped, the containing cavity and the output port are disconnected, and the water faucet is convenient to use. And water leakage of the water tank caused by residual airflow entering the water tank is avoided.

Description

Technical Field

[0001] This utility model relates to the field of sweeping robot technology, specifically to a water tank structure and a sweeping robot. Background Technology

[0002] During the mopping process, a robotic vacuum cleaner needs to continuously fill its water tank to wet the mop, allowing the robot to move and complete the cleaning. In existing technologies, the water tank is pressurized by an air pump during the filling process, allowing water to overflow from the outlet to wet the mop and clean the floor. However, when the pump is turned off, residual gas can enter the water tank, causing leaks. Furthermore, when the water tank is full, water can easily flow back into the air pump, affecting its lifespan. Utility Model Content

[0003] This utility model aims to at least partially solve one of the technical problems in related technologies. Therefore, one objective of this utility model is to provide a water tank structure, comprising:

[0004] The housing has a receiving cavity;

[0005] A connector is provided on the housing, the connector having an input port and an output port forming a height difference, the height of the input port being greater than or equal to the height of the receiving cavity, and the output port being connected to the receiving cavity;

[0006] A duckbill valve is provided on the housing and extends from the outlet into the receiving cavity.

[0007] Preferably, the connector has a connection channel, which includes a first channel and a second channel that are interconnected. The input port is connected to the first channel, and the output port is connected to the second channel. The first channel and the second channel are bent and connected.

[0008] Preferably, the first channel is a horizontal channel and is located on the side away from the bottom of the receiving cavity; the second channel is a vertical channel and extends from the connection point with the first channel towards the side closer to the bottom of the receiving cavity.

[0009] Preferably, the output port is located near the bottom of the receiving cavity, connecting the second channel and the duckbill valve, with the duckbill valve extending laterally into the receiving cavity.

[0010] Preferably, the inner wall of the input port has an annular sealing portion, and the annular sealing portion protrudes along the radial direction of the input port.

[0011] Preferably, the housing includes an upper shell and a bottom cover, the bottom cover and the upper shell together defining the receiving cavity, and the connector is provided on the upper shell from the side of the upper shell.

[0012] Preferably, the bottom cover is provided with at least two water outlet holes at intervals, and the at least two water outlet holes are connected to the receiving cavity. The water outlet holes are constructed as a cone structure that gradually increases in size from the receiving cavity outward.

[0013] Preferably, the upper shell has snap-fit ​​members on both sides along its length, and the snap-fit ​​members are elastically connected to the upper shell to allow elastic sliding along the length of the upper shell.

[0014] Another objective of this utility model is to provide a sweeping robot, comprising:

[0015] Organism;

[0016] The water tank structure described above;

[0017] A quick connector is provided on the machine body, and the first end of the quick connector is connected to the input port, and the second end of the quick connector is connected to an air pump.

[0018] Preferably, the machine body is provided with an air tube, and the second end of the quick connector extends into the machine body and is connected to one end of the air tube. The gas generated by the air pump is output to the receiving cavity through the air tube, the quick connector, and the connector.

[0019] The above-described solution of this utility model has at least the following beneficial effects:

[0020] The water tank structure provided by this utility model, after the containing cavity is filled with water, has an inlet and an outlet with a height difference, which makes it difficult for water in the containing cavity to flow back from the outlet to the inlet, thus improving its service life. In addition, when the gas supply stops, the duckbill valve can close at the same time to disconnect the containing cavity and the outlet, thus preventing residual airflow from entering the water tank and causing water leakage.

[0021] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0022] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.

[0023] Figure 1 This is a schematic diagram of the water tank structure provided in the embodiment of this utility model;

[0024] Figure 2 This is a partial sectional view of the body and water tank structure provided in the embodiments of this utility model;

[0025] Figure 3 This is an exploded view of the water tank structure provided in the embodiments of this utility model;

[0026] Figure 4 This is a schematic diagram of the connector and duckbill valve provided in the embodiments of this utility model;

[0027] Explanation of icon numbers:

[0028] 10. Housing; 11. Receiving cavity; 12. Upper shell; 13. Bottom cover; 131. Water outlet; 20. Connector; 201. Inlet; 202. Outlet; 203. Connection channel; 204. Annular seal; 30. Duckbill valve; 40. Snap-fit ​​connector; 50. Body; 60. Quick connector; 70. Air pipe; 80. Air pump.

[0029] The realization of the purpose, functional features and advantages of this utility model will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation

[0030] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain this utility model, and should not be construed as limiting this utility model. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without inventive effort are within the scope of protection of this utility model.

[0031] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "circumferential", "radial", etc., indicating the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0032] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0033] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0034] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0035] The water tank structure and sweeping robot of this utility model embodiment are described in detail below with reference to the accompanying drawings.

[0036] Reference Figure 1 and Figure 2 As shown, the water tank structure provided in this embodiment of the present invention includes a tank body 10, a connector 20, and a duckbill valve 30. The tank body 10 has a receiving cavity 11. The connector 20 is disposed on the tank body 10 and has an inlet 201 and an outlet 202 forming a height difference. The height of the inlet 201 is greater than or equal to the height of the receiving cavity 11, and the outlet 202 is connected to the receiving cavity 11. The duckbill valve 30 is disposed on the tank body 10 and extends from the outlet 202 into the receiving cavity 11.

[0037] The aforementioned water tank structure is installed on the robotic vacuum cleaner, which has a quick connector 60 that plugs into the connector 20. Gas can be supplied through the air pump 80 on the robotic vacuum cleaner. The duckbill valve 30 is mainly designed to open under air pressure when gas passes through it. When the gas pressure increases, the opening range of the duckbill valve 30 also increases. When the gas supply stops, the atmospheric pressure will press the duckbill valve 30 tightly, making it difficult for residual gas to enter the water tank and cause leakage, making it more convenient and reliable to use.

[0038] The water tank structure provided by this utility model, after the containing cavity 11 is filled with water, has an inlet 201 and an outlet 202 forming a height difference, which makes it difficult for water in the containing cavity 11 to flow back from the outlet 202 to the inlet 201, thus improving its service life. In addition, when the gas supply stops, the duckbill valve 30 can close at the same time to disconnect the containing cavity 11 and the outlet 202, thus preventing residual airflow from entering the water tank and causing water leakage.

[0039] Reference Figure 2 and Figure 4 As shown, the connector 20 has a connecting channel 203, which includes a first channel and a second channel that are interconnected. The inlet 201 is connected to the first channel, and the outlet 202 is connected to the second channel. The first channel and the second channel are connected by a bend. Gas enters the receiving cavity 11 through the inlet 201 and the outlet 202, pressurizing the receiving cavity 11. Water can then be discharged through the water outlet 131 to wet the mop, thereby completing the floor cleaning during movement.

[0040] Furthermore, the first channel is a horizontal channel and is located on the side away from the bottom of the receiving cavity 11; the second channel is a vertical channel and extends from the connection with the first channel to the side closer to the bottom of the receiving cavity 11.

[0041] The first channel is horizontally positioned, which facilitates the horizontal assembly of the water tank and the body 50. This means that it is convenient for users to manually disassemble / assemble the body 50 and water tank of the robot vacuum cleaner. Compared with vertical assembly, it reduces the resistance generated when lifting the body 50 against gravity, making assembly easier and faster. Meanwhile, the second channel is vertically positioned, which can achieve the above effects while maintaining the height difference between the inlet 201 and the outlet 202, and can prevent water in the receiving cavity 11 from flowing back from the outlet 202 to the inlet 201.

[0042] Furthermore, the output port 202 is connected to the second channel and the duckbill valve 30 near the bottom of the receiving cavity 11, and the duckbill valve 30 extends laterally into the receiving cavity 11.

[0043] In other words, the duckbill valve 30 extends into the receiving cavity 11 near the bottom. Thus, when there is water in the tank, the outlet of the duckbill valve 30 is submerged. When the air pump 80 is turned off, the residual gas is less likely to overcome the water pressure and be forced out of the duckbill valve 30 into the receiving cavity 11. In particular, when the duckbill valve 30 is inserted horizontally into the receiving cavity 11 at the bottom of the tank 10, the entire duckbill valve 30 is submerged in water. This means that without the air pump 80 adding air, the entire duckbill valve 30 is sealed by water pressure, thus preventing leakage.

[0044] Furthermore, the inner wall of the inlet 201 has an annular sealing portion 204, which protrudes radially from the inlet 201. The inlet 201 can be inserted into the quick connector 60, allowing the annular sealing portion 204 to fit snugly against the outer circumferential surface of the quick connector 60, thereby ensuring a better seal between the quick connector 60 and the inlet 201.

[0045] Reference Figure 3 As shown, the housing 10 includes an upper shell 12 and a bottom cover 13. The bottom cover 13 and the upper shell 12 together define a receiving cavity 11, and the connecting member 20 is provided on the upper shell 12 from the side. Furthermore, the bottom cover 13 is provided with at least two water outlet holes 131 at intervals, and the at least two water outlet holes 131 are connected to the receiving cavity 11. Furthermore, the water outlet holes 131 are constructed as a cone structure that gradually increases outward from the receiving cavity 11.

[0046] In this embodiment, the upper shell 12 and the bottom cover 13 need to be sealed to prevent water from seeping out of the receiving cavity 11. By setting the water outlet 131 into a conical structure, the water coverage can be ensured to be wider during the water discharge process, so that the mop is wetted faster and the mopping efficiency is improved. In addition, due to the conical structure of the water outlet 131, the water pressure in the receiving cavity 11 is lower than the external pressure after the air pump 80 is turned off, thereby preventing water from leaking out of the water outlet 131 and making it more convenient to use.

[0047] Specifically, the upper shell 12 has snap-fit ​​components 40 on both sides along its length, and the snap-fit ​​components 40 are elastically connected to the upper shell 12. The snap-fit ​​components 40 can be elastically pushed by springs or sheet metal, allowing them to move elastically between themselves and the upper shell 12. When the housing 10 is installed and fixed to the sweeping robot, corresponding buckles on the sweeping robot can fasten to the snap-fit ​​components 40, thus ensuring a more stable and reliable lock between the water tank and the sweeping robot under the action of elasticity.

[0048] Reference Figure 2As shown, the sweeping robot proposed in the embodiment of this utility model includes: a body 50, a water tank structure as described above, and a quick connector 60. The quick connector 60 is disposed on the body 50, and the first end of the quick connector 60 is connected to the input port 201, and the second end of the quick connector 60 is connected to an air pump 80.

[0049] The quick connector 60 can be quickly plugged into the input port 201 of the connector 20, and the gap between the quick connector 60 and the connector 20 is sealed by the annular sealing part 204 to ensure a better sealing effect. This allows gas to enter the receiving cavity 11 through the quick connector 60 and the connector 20 to complete the pressurization operation in the receiving cavity 11.

[0050] The sweeping robot provided by this utility model, after filling the receiving cavity 11 with water, is fixed by inserting and connecting the aforementioned connector 20 to the quick connector 60. Since the connector 20 has an inlet 201 and an outlet 202 that form a height difference, the water in the receiving cavity 11 is not easy to flow back from the outlet 202 to the inlet 201, which improves its service life. Furthermore, when the gas supply stops, the duckbill valve 30 can close simultaneously to disconnect the receiving cavity 11 and the outlet 202, thus preventing residual airflow from entering the water tank and causing water leakage.

[0051] Specifically, the body 50 is provided with an air tube 70, and the second end of the quick connector 60 extends into the body 50 and connects to one end of the air tube 70; furthermore, the other end of the quick connector 60 is connected to an air pump 80, which is used to output gas to the receiving cavity 11 via the air tube 70, quick connector 60 and connector 20.

[0052] In this embodiment, when the air pump 80 is working, the gas output by the air pump 80 enters the receiving cavity 11 through the air pipe 70, quick connector 60, connector 20 and duckbill valve 30, thereby increasing the air pressure in the receiving cavity 11 so that water flows out from the water outlet 131. During the movement of the sweeping robot, the mop can be wetted and the mopping work can be completed. After the air pump 80 is turned off, the duckbill valve 30 can be closed at the same time, thereby preventing gas from entering the receiving cavity 11 and avoiding water leakage.

[0053] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0054] The above description is only a preferred embodiment of the present utility model and does not limit the patent scope of the present utility model. All equivalent structural transformations made under the inventive concept of the present utility model using the contents of the present utility model specification and drawings, or direct / indirect applications in other related technical fields, are included within the patent protection scope of the present utility model.

Claims

1. A water tank structure, characterized in that, include: The housing has a receiving cavity; A connector is provided on the housing, the connector having an input port and an output port forming a height difference, the height of the input port being greater than or equal to the height of the receiving cavity, and the output port being connected to the receiving cavity; A duckbill valve is provided on the housing and extends from the outlet into the receiving cavity.

2. The water tank structure according to claim 1, characterized in that, The connector has a connection channel, which includes a first channel and a second channel that are interconnected. The input port is connected to the first channel, and the output port is connected to the second channel. The first channel and the second channel are connected by a bend.

3. The water tank structure according to claim 2, characterized in that, The first channel is a horizontal channel and is located on the side away from the bottom of the receiving cavity; the second channel is a vertical channel and extends from the connection point with the first channel towards the side closer to the bottom of the receiving cavity.

4. The water tank structure according to claim 3, characterized in that, The output port connects the second channel and the duckbill valve near the bottom of the receiving cavity, and the duckbill valve extends laterally into the receiving cavity.

5. The water tank structure according to claim 1, characterized in that, The inner wall of the inlet has an annular sealing portion, and the annular sealing portion protrudes along the radial direction of the inlet.

6. The water tank structure according to claim 1, characterized in that, The housing includes an upper shell and a bottom cover, the bottom cover and the upper shell together define the receiving cavity, and the connector is provided on the upper shell from the side of the upper shell.

7. The water tank structure according to claim 6, characterized in that, The bottom cover is provided with at least two water outlet holes at intervals, and the at least two water outlet holes are connected to the receiving cavity. The water outlet holes are constructed as a cone structure that gradually increases in size from the receiving cavity outward.

8. The water tank structure according to claim 6, characterized in that, The upper shell has snap-fit ​​components on both sides along its length, and the snap-fit ​​components are elastically connected to the upper shell to allow elastic sliding along the length of the upper shell.

9. A robotic vacuum cleaner, characterized in that, include: Organism; The water tank structure as described in any one of claims 1 to 8; A quick connector is provided on the machine body, with its first end connected to the input port and its second end connected to an air pump.

10. The sweeping robot according to claim 9, characterized in that, The machine body is provided with an air tube, and the second end of the quick connector extends into the machine body and is connected to one end of the air tube. The gas generated by the air pump is output to the receiving cavity through the air tube, the quick connector, and the connector.

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