CN216569828U

CN216569828U - Water tank and basic station

Info

Publication number: CN216569828U
Application number: CN202122942333.4U
Authority: CN
Inventors: 黄柯; 张波; 黄吉彪; 林晓龙
Original assignee: Yunjing Intelligence Technology Dongguan Co Ltd; Yunjing Intelligent Shenzhen Co Ltd
Current assignee: Yunjing Intelligent Innovation Shenzhen Co ltd; Yunjing Intelligent Shenzhen Co Ltd
Priority date: 2021-11-25
Filing date: 2021-11-25
Publication date: 2022-05-24
Anticipated expiration: 2031-11-25

Abstract

The utility model discloses a water tank and a base station, wherein the water tank comprises a tank body, a first cover body and a handle, a liquid storage cavity is formed in the tank body, an opening is formed in one side of the top of the tank body and communicated with the liquid storage cavity, a containing groove is formed in the other side of the top of the tank body, the first cover body is arranged at the opening in a covering mode, and the handle is arranged in the containing groove. According to the utility model, the first cover body is taken out from the opening, so that liquid can be poured into the liquid storage cavity through the opening, or the liquid in the liquid storage cavity is poured out through the opening, the water tank is convenient to move through the handle arranged in the accommodating groove, and in addition, the accommodating groove arranged on the box body can reduce the space occupied by the handle. Therefore, the water tank of the embodiment has a simple structure, the first cover body is not easy to damage, the maintenance cost of the water tank can be reduced, and the service life of the water tank is prolonged.

Description

Water tank and basic station

Technical Field

The utility model relates to the technical field of cleaning equipment, in particular to a water tank and a base station.

Background

With the progress of science and technology, people also have higher and higher requirements on intelligent cleaning equipment, and the water tank is used as a core component in the intelligent cleaning equipment and is mainly used for the storage of clean water and the recovery of sewage. The water tank that uses in present cleaning machines people's basic station includes clear water tank and sewage case, and clear water tank and sewage case all adopt the flip mode to open and close, and flip frequently overturns and damages easily to can improve the maintenance cost of clear water tank and sewage case, perhaps reduce the life of clear water tank and sewage case. Similarly, the same problem exists in other areas where a water tank is needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a water tank and a base station, which can reduce the maintenance cost of the water tank and prolong the service life of the water tank.

In order to achieve the above object, the present invention provides a water tank comprising:

the liquid storage box comprises a box body, a liquid storage cavity is formed in the box body, an opening is formed in one side of the top of the box body and communicated with the liquid storage cavity, and a containing groove is formed in the other side of the top of the box body;

the first cover body is arranged at the opening in a covering manner;

the handle, the handle set up in the holding tank.

Optionally, a holding groove is formed in the first cover body.

Optionally, the first cover body includes an extending portion extending toward the receiving groove, and the extending portion extends into the receiving groove to form a handle fastening position.

Optionally, the box includes box main part and second lid, the upper end of box main part has the uncovered, the second lid can be dismantled the lid and close the uncovered, the opening with the holding tank forms on the second lid, the box main part with form between the second lid stock solution chamber.

Optionally, the box body further includes a sealing member, and the sealing member is disposed on the second cover body and the box body to seal a connection position between the second cover body and the box body.

Optionally, the water tank further comprises:

the water inlet device is arranged on the box body, one end of the water inlet device is communicated with the liquid storage cavity, and the other end of the water inlet device is externally connected with a water source;

the exhaust device is arranged on the box body, one end of the exhaust device is communicated with the liquid storage cavity, and the other end of the exhaust device is externally connected with an air exhaust device;

wherein, air exhaust device is right the stock solution chamber is bled, so that form the negative pressure in the stock solution intracavity, water installations receive stock solution chamber negative pressure and with external water source suction extremely in the stock solution intracavity.

Optionally, the exhaust apparatus includes:

the switching structure is arranged on the top wall of the liquid storage cavity, a switching channel is formed in the switching structure, an air inlet is formed in one end of the switching channel, and an interface is formed in the other end of the switching channel;

and one end of the connecting pipe is connected with the interface, and the other end of the connecting pipe is externally connected with an air exhaust device.

Optionally, the bottom of the box body is provided with a gas outlet, the gas outlet is externally connected with a gas extraction device, and one end of the connecting pipe, which is far away from the interface, is connected with the gas outlet.

Optionally, the exhaust apparatus further comprises:

the cursory structure, cursory structure sets up the stock solution chamber, cursory structure is configured as but the fluctuation is in the liquid level in stock solution chamber follows the rising of stock solution chamber liquid level, cursory structure can plug up the air inlet.

Optionally, the exhaust apparatus further comprises:

the limiting structure is arranged in the liquid storage cavity and corresponds to the air inlet;

the floating structure is arranged on the limiting structure and floats up and down along with the liquid level of the liquid storage cavity along the limiting structure.

Optionally, a lifting groove is formed in the limiting structure, and the floating structure is arranged in the lifting groove.

Optionally, a first detection device is arranged in the float structure, and the first detection device is used for detecting the liquid level in the liquid storage cavity.

Optionally, the surface of the floating structure and/or the air inlet are provided with soft rubber, and when the floating structure blocks the air inlet, the soft rubber is used for sealing the air inlet.

Optionally, the water inlet device includes:

the joint is arranged on the cavity wall of one side, close to the first cover body, of the liquid storage cavity, a water outlet is formed in the joint, and the joint is communicated with an external water source.

Optionally, the water inlet device includes:

the joint is arranged on the cavity wall of the liquid storage cavity, a water outlet is formed in the joint, the joint is communicated with an external water source, and the water outlet is higher than the air inlet.

Optionally, a water inlet is arranged at the bottom of the box body, one end of the water inlet is communicated with the joint, and the other end of the water inlet is externally connected with a water source.

Optionally, the water tank further comprises:

and the drainage device is arranged in the liquid storage cavity, one end of the drainage device is communicated with the liquid storage cavity, and the other end of the drainage device is externally connected with a suction device.

Optionally, the water tank further comprises:

the filtering structure is arranged on the drainage device, and liquid in the liquid storage cavity sequentially passes through the filtering structure and the drainage device and is discharged out of the box body.

Optionally, the drainage device is arranged at the bottom of the box body.

Optionally, a reserved hole position is further arranged on the bottom wall of the box body.

Optionally, a clamping groove is formed in the bottom wall of the box body, and a second detection device is arranged in the clamping groove;

the second detection device is used for detecting the position state of the box body.

In order to achieve the above object, the present invention also provides a base station including a base station main body mounted with at least one water tank as described above.

In the water tank, one side of the top of the tank body is provided with the opening, the opening is communicated with the liquid storage cavity, the first cover body is covered on the opening, the other side of the top of the tank body is provided with the containing groove, the handle is arranged in the containing groove, the first cover body is taken out of the opening, liquid can be poured into the liquid storage cavity through the opening, or the liquid in the liquid storage cavity is poured out through the opening, the water tank is convenient to move through the handle arranged in the containing groove, and in addition, the containing groove arranged on the tank body can reduce the space occupied by the handle. Therefore, the water tank is simple in structure, the first cover body is not easy to damage, the maintenance cost of the water tank can be reduced, and the service life of the water tank can be prolonged.

Drawings

FIG. 1 is a block diagram of a water tank according to an embodiment of the present invention.

FIG. 2 is an exploded view of a water tank according to an embodiment of the present invention.

FIG. 3 is a cross-sectional view of a water tank according to an embodiment of the present invention.

FIG. 4 is a cross-sectional view of the other side of the water tank of an embodiment of the present invention.

Fig. 5 is an internal structural view of a water tank according to another embodiment of the present invention.

The reference numbers illustrate:

Detailed Description

In order to explain technical contents, structural features, and effects of the present invention in detail, the following detailed description is given with reference to the embodiments and the accompanying drawings.

Referring to fig. 1 to 5, an embodiment of the present invention discloses a water tank, which includes a tank body 10, a first cover body 20 and a handle 30, wherein a liquid storage cavity is formed in the tank body 10, an opening 21 is formed on one side of the top of the tank body 10, the opening 21 is communicated with the liquid storage cavity, an accommodating groove 31 is formed on the other side of the top of the tank body 10, the first cover body 20 is covered at the opening 21, and the handle 30 is disposed in the accommodating groove 31.

In the embodiment of the present invention, the first cover body 20 is taken out from the opening 21, i.e. the liquid can be poured into the liquid storage cavity through the opening 21, or the liquid in the liquid storage cavity can be poured out through the opening 21, and the water tank can be conveniently moved by the handle 30 disposed in the accommodating groove 31, and in addition, the accommodating groove 31 disposed on the box body 10 can reduce the space occupied by the handle 30. Therefore, the water tank of the embodiment has a simple structure, the first cover body 20 is not easily damaged, the maintenance cost of the water tank can be reduced, and the service life of the water tank can be prolonged.

In order to pour out the liquid in the reservoir chamber, the tank body 10 of the water tank needs to be tilted after the first lid 20 is taken out from the opening 21. The user can hold four fingers on the wall of the receiving groove 31 away from the opening 21, and the thumb abuts against the outside of the box body 10, so that the user can grasp the upper end of the box body 10 with his hand, thereby facilitating the tilting of the box body 10.

In addition, when the first cover 20 is removed from the opening 21, the user can insert four fingers into the receiving slot 31, and the thumb abuts against the outside of the case 10 to apply a downward pressure to the case 10, so as to prevent the case 10 from moving upward with the first cover 20 when the first cover 20 is removed upward, thereby facilitating the removal of the first cover 20.

In some embodiments, as shown in fig. 1 and 2, the first cover 20 is provided with a holding groove 22, and a user can lift up the holding groove 22 with four fingers, so that the first cover 20 can be easily taken out from the opening 21.

In some embodiments, as shown in fig. 1 and 2, the first cover body 20 includes an extending portion 23 extending toward the receiving groove 31, and the extending portion 23 extends into the receiving groove 31 to form a fastening position. The user can insert four fingers into the receiving groove 31 and hold the fastening position formed by the extending portion 23, so as to be able to pull the first cover 20 upwards, thereby facilitating to take the first cover 20 out of the opening 21.

In some embodiments, as shown in fig. 2, the box body 10 includes a box body 11 and a second cover 12, the upper end of the box body 11 has an opening 13, the second cover 12 detachably covers the opening 13, the opening 21 and the receiving groove 31 are formed on the second cover 12, and a reservoir is formed between the box body 11 and the second cover 12. In this embodiment, when the water tank needs to be cleaned, the second cover 12 can be detached from the tank body 11, and the inside of the tank body 11 can be cleaned conveniently through the opening 13.

Further, the box 10 further includes a sealing member 14, and the sealing member 14 is disposed on the second cover 12 and the box body 11 to seal a connection position between the second cover 12 and the box body 11, so as to realize the integrated connection between the second cover 12 and the box body 11.

The sealing member 14 seals the connection position between the second cover 12 and the case body 11, so that the liquid stored in the liquid storage chamber can be prevented from flowing out or seeping out from the connection position between the second cover 12 and the case body 11, and the sealing performance of the water tank can be improved.

Specifically, the seal 14 may be, but is not limited to, a gasket. When the sealing member 14 is a gasket, the gasket is fitted over the second cover 12 and the case body 11 to seal the connection position between the second cover 12 and the case body 11.

In addition, the sealing member 14 may further include a snap structure to snap the second cover 12 to the box body 11, so as to achieve a reliable connection between the second cover 12 and the box body 11.

In some embodiments, referring to fig. 3 and 4, the water tank further includes a water inlet device (not labeled) and an air outlet device (not labeled), the water inlet device is disposed on the tank body 10, one end of the water inlet device is communicated with the liquid storage cavity, and the other end of the water inlet device is externally connected to a water source; the exhaust device is arranged on the box body 10, one end of the exhaust device is communicated with the liquid storage cavity, and the other end of the exhaust device is externally connected with an air exhaust device; wherein, air exhaust device bleeds to the stock solution chamber to make the stock solution intracavity form the negative pressure, water installations receives stock solution chamber negative pressure and will connect water source suction to the stock solution intracavity, thereby realize the automatic of water tank and intake.

Further, exhaust apparatus includes switching structure 40 and connecting pipe 44, and switching structure 40 sets up the roof at the stock solution chamber, has seted up switching channel 41 in switching structure 40, and switching channel 41's one end is equipped with air inlet 42, and switching channel 41's the other end is equipped with interface 43, and interface 43 is connected to the one end of connecting pipe 44, the external air exhaust device of the other end. Outside air exhaust device is through locating the switching structure 40 of stock solution chamber roof, locating air inlet 42 and interface 43 and the connecting pipe 44 at adaptor channel 41 both ends and bleeding the stock solution chamber, makes the intracavity of stock solution form the negative pressure to outside water source can get into the stock solution intracavity through water installations, realizes the automation of water tank and intakes.

By providing the adapter structure 40, it is convenient to fix the connecting pipe 44 and to position the air inlet 42. In addition, because the adapter structure 40 is disposed on the top wall of the liquid storage cavity, the air inlet 42 disposed at one end of the adapter channel 41 is close to the top wall of the liquid storage cavity, so that the liquid in the liquid storage cavity can be prevented from entering the air inlet 42.

Specifically, the adapter structure 40 has the air inlet 42 facing downward, but is not limited thereto, for example, the air inlet 42 also faces the side wall of the reservoir.

Further, an air outlet 45 is disposed at the bottom of the box 10, the air outlet 45 is externally connected to an air extracting device (not shown), one end of the connecting pipe 44 away from the interface 43 is connected to the air outlet 45, and air in the liquid storage cavity is extracted by the air extracting device through the air inlet 42, the adapting channel 41, the connecting pipe 44 and the air outlet 45.

Specifically, the air outlet 45 may be directly opened at the bottom of the box 10, or may be opened at a connector at the bottom of the box 10, one end of the connector is connected to the connecting pipe 44, the other end of the connector is externally connected to an air extractor, the connector may be integrally formed with the bottom of the box 10, or a mounting hole for the connector to pass through may be opened at the bottom of the box 10.

Of course, the connecting tube 44 can also be directly extended out from the bottom of the box 10 to connect with the external air-extracting device.

In some embodiments, as shown in fig. 3 and 4, the air exhaust device further comprises a float structure 46, the float structure 46 is disposed in the reservoir, the float structure 46 is configured to float up and down on the liquid level of the reservoir, and the float structure 46 is capable of blocking the air inlet 42 as the liquid level of the reservoir rises. The float structure 46 may be, but is not limited to, a floating ball.

Specifically, when the liquid level in stock solution chamber reached a take the altitude, cursory structure 46 floated to air inlet 42 department and plugs up air inlet 42, and outside air exhaust device can't bleed the stock solution chamber again, and water inlet device stops to input external water source, and then can prevent that the water tank from filling up the back, and air exhaust device continues to bleed, and outside liquid continues to input the stock solution chamber, makes the liquid in the water tank spill over.

Further, exhaust apparatus still includes limit structure 47, and limit structure 47 sets up and just corresponds with air inlet 42 in the stock solution chamber, and cursory structure 46 is installed on limit structure 47, and cursory structure 46 floats along limit structure 47 along with the liquid level in stock solution chamber from top to bottom.

Carry on spacingly to cursory structure 46 through limit structure 47, restriction cursory structure 46 guarantees that the stock solution chamber liquid level rises to a take the altitude when the skew of liquid level in stock solution chamber, cursory structure 46 can plug up air inlet 42.

Furthermore, a lifting groove 48 is arranged in the limiting structure 47, the floating structure 46 is arranged in the lifting groove 48, and the floating structure 46 floats up and down in the lifting groove 48 along with the liquid level of the liquid storage cavity.

Specifically, as shown in fig. 3 and 4, the position limiting structure 47 may be a frame structure configured to allow liquid inside and outside the frame structure to freely flow so that the liquid enters the frame structure and the floating structure 46 can float up and down along with the liquid level of the liquid storage chamber. Of course, the stopper structure 47 is not limited to the above-described frame structure.

Still further, limit structure 47's upper end can be connected in the roof of stock solution chamber around air inlet 42, and limit structure 47's lower extreme can set up the backstop portion or extend to the diapire of stock solution chamber. When the lower extreme of limit structure 47 sets up backstop portion (not mark in the figure) and the liquid level of stock solution chamber does not rise to the height of backstop portion, cursory structure 46 is backstopped in limit structure 47's lower extreme by backstop portion, and after the liquid level of stock solution chamber rises to the height of backstop portion, cursory structure 46 floated along with the liquid level of stock solution chamber along limit structure 47 from top to bottom. When the lower extreme of limit structure 47 extends to the diapire of stock solution chamber, cursory structure 46 floats from top to bottom along limit structure 47 along the liquid level in stock solution chamber.

In some embodiments, as shown in FIG. 3, a first sensing device 49 is disposed within the float structure 46, the first sensing device 49 being for sensing a level of fluid within the reservoir. The liquid level of the liquid storage cavity can be timely known through the first detection device 49, for example, when the water tank is used as a sewage tank to collect sewage, the first detection device 49 can send out an alarm signal when detecting that the liquid level of the liquid storage cavity reaches the highest liquid level (preset liquid level value), so that a user can timely clean the sewage in the sewage tank.

The specific form of the first detection device 49 is not particularly limited as long as it can detect the liquid level of the liquid storage chamber, for example, the first detection device 49 may be a hall sensor, a magnet cooperating with the hall sensor may be disposed on the tank body 10 of the water tank, and the hall sensor may detect the liquid level of the liquid storage chamber according to the distance between the hall sensor and the magnet; the first detecting means 49 may also be provided as a height sensor which detects the liquid level of the reservoir by detecting its own height.

In some embodiments, the surface of the float structure 46 and/or the air inlet 42 are provided with soft glue (not shown), and when the float structure 46 blocks the air inlet 42, the soft glue is used for sealing the air inlet 42, so that the sealing performance of the air inlet 42 can be improved, and when the liquid level of the liquid storage cavity rises to a certain height, the air inlet 42 is not completely sealed, so that the air extractor continues to extract air from the liquid storage cavity, and the liquid in the liquid storage cavity can be prevented from being sucked into the air inlet 42.

In some embodiments, as shown in fig. 3, the water inlet device includes a connector 50, the connector 50 is disposed on a cavity wall of the side of the reservoir cavity close to the first cover 20, a water outlet 51 is disposed on the connector 50, and the connector 50 is communicated with an external water source. Specifically, the adapter 50 communicates with an external water source through a water inlet tube 52, and the external water source enters the reservoir chamber through the water inlet tube 52, the adapter 50, and a water outlet 51. Connect inlet tube 52 through setting up the joint 50 that connects on the chamber wall that the stock solution chamber is close to one side of first lid 20, can make inlet tube 52 by firm the setting in the stock solution chamber, prevent that inlet tube 52 from taking place the position change and leading to outside water source to be difficult to by the suction stock solution chamber, and connect 50 to set up on the chamber wall that the stock solution chamber is close to one side of first lid 20, make locate the delivery port 51 that connects on 50 also be close to on the chamber wall that the stock solution chamber is close to one side of first lid 20.

In some embodiments, as shown in fig. 3, the water inlet device includes a connector 50, the connector 50 is disposed on the cavity wall of the liquid storage cavity, a water outlet 51 is disposed on the connector 50, the connector 50 is communicated with an external water source, and the water outlet 51 is higher than the air inlet 42; the water outlet 51 is higher than the air inlet 42, so that when the liquid level of the liquid storage cavity reaches a certain height and the external air extractor stops extracting air, the liquid in the liquid storage cavity flows out through the water outlet 51. Specifically, the adapter 50 communicates with an external water source through a water inlet tube 52, and the external water source enters the reservoir chamber through the water inlet tube 52, the adapter 50, and a water outlet 51.

Of course, the water inlet device of the present invention is not limited to the above-mentioned embodiments, for example, the water inlet device may also only include the water inlet pipe 52, one end of the water inlet pipe 52 is connected to an external water source, the other end is connected to the liquid storage cavity, the external water source enters the liquid storage cavity through the water inlet pipe 52, the water outlet 51 may be disposed on the water inlet pipe 52, or one end of the water inlet pipe 52 connected to the liquid storage cavity is the water outlet 51. Of course, the water inlet pipe 52 may be provided with one end connected to an external water source and the other end connected to the top wall of the liquid storage chamber, and the water outlet 51 is opened on the water inlet pipe 52.

Further, as shown in fig. 3, a water inlet 53 is disposed at the bottom of the box body 10, one end of the water inlet 53 is communicated with the joint 50, the other end is externally connected with a water source, and an external water source enters the liquid storage cavity through the water inlet 53, the water inlet pipe 52, the joint 50 and the water outlet 51.

Specifically, the water inlet 53 may be directly opened at the bottom of the box 10, or may be opened at a connector at the bottom of the box 10, one end of the connector is connected to the water inlet pipe 52, the other end of the connector is externally connected to a water source, the connector may be integrally formed with the bottom of the box 10, or a mounting hole for the connector to pass through may be opened at the bottom of the box 10.

Of course, the inlet pipe 52 may also be directly extended out from the bottom of the case 10 to be externally connected to a water supply.

In some embodiments, as shown in fig. 5, the water tank further comprises a drainage device 60, the drainage device 60 is disposed in the liquid storage cavity, and one end of the drainage device is communicated with the liquid storage cavity while the other end is externally connected with a suction device (not shown). The external suction device of drainage device 60 realizes the automatic discharge of liquid in the liquid storage cavity, for example, when the water tank is used as the clean water tank of the base station, the clean water in the water tank needs to be output to the cleaning robot to wet or clean the mop, the suction device can be arranged on the base station, the suction device sucks the water tank through drainage device 60, and the clean water is discharged to the base station through drainage device 60. Of course, the water tank is not limited to be used as a clean water tank, but may be used as a sewage tank to realize automatic discharge of sewage, or other purposes. In particular, the drainage means 60 may comprise a water outlet and/or a water outlet pipe or the like.

Further, the water tank also comprises a filtering structure 61, the filtering structure 61 is arranged on the drainage device 60, liquid in the liquid storage cavity sequentially passes through the filtering structure 61 and the drainage device 60 and is discharged out of the tank body 10, and the situation that the drainage device 60 is blocked by impurities in the liquid storage cavity to cause the drainage device 60 to be incapable of normally discharging the liquid is prevented.

Further, a drainage device 60 is disposed at the bottom of the tank 10 to facilitate the complete drainage of the liquid in the liquid storage chamber.

In some embodiments, as shown in fig. 5, the bottom wall of the tank 10 is further provided with a reserved hole 62, and the reserved hole 62 can be used as an automatic water inlet or an automatic water outlet of the water tank, so as to realize an automatic water inlet or an automatic water outlet function of the water tank.

In some embodiments, as shown in fig. 5, a bottom wall of the box 10 is provided with a card slot 70, and a second detection device (not shown) is disposed in the card slot 70, wherein the second detection device is used for detecting a position state of the box 10.

The position state of the box body 10 is detected by the second detection device, whether the box body 10 is correctly installed can be detected, for example, when the water tank is used as a clean water tank or a sewage tank in a base station, a clamping protrusion connected with the clamping groove 70 can be arranged on the base station, when the box body 10 is installed in the base station, the clamping groove 70 is connected with the clamping protrusion, when the clamping groove 70 is clamped into the clamping groove 70, the box body 10 is correctly installed in the base station, when the clamping protrusion is not clamped into the clamping groove 70 or is not completely clamped into the clamping groove 70, the box body 10 is incorrectly installed in the base station, therefore, the position state of the box body 10 is obtained by detecting whether the clamping protrusion is clamped into the clamping groove 70 or not, and whether the box body 10 is correctly installed in the base station or not is known.

The utility model also discloses a base station, which comprises a base station main body, wherein the base station main body is provided with at least one water tank.

In some embodiments, the base station main body is installed with two water tanks as described above, one as a clean water tank for storing clean water supplied to the cleaning robot and the other as a sewage tank for recovering sewage generated from the cleaning robot.

The above disclosure is only a preferred embodiment of the present invention, which is convenient for those skilled in the art to understand and implement, and certainly not to limit the scope of the present invention, which is not intended to be covered by the present invention.

Claims

1. A water tank, comprising:

the first cover body is arranged at the opening in a covering manner;

the handle, the handle set up in the holding tank.

2. The water tank as claimed in claim 1, wherein the first cover body is provided with a grip groove.

3. The water tank as claimed in claim 1, wherein the first cover body includes an extension part extending toward the receiving groove, the extension part extending into the receiving groove to form a fastening position.

4. The water tank as claimed in claim 1, wherein the tank body comprises a tank body and a second cover, the upper end of the tank body is provided with an opening, the second cover can be detachably covered on the opening, the opening and the accommodating groove are formed on the second cover, and the liquid storage cavity is formed between the tank body and the second cover.

5. The water tank as claimed in claim 4, wherein the tank body further comprises a sealing member provided to the second cover and the tank body to seal a connection position between the second cover and the tank body.

6. The water tank of claim 1, further comprising:

the air extractor extracts air from the liquid storage cavity to form negative pressure in the liquid storage cavity, and the water inlet device sucks an external water source into the liquid storage cavity under the action of the negative pressure of the liquid storage cavity.

7. The water tank as claimed in claim 6, wherein the air discharging means comprises:

8. The water tank as claimed in claim 7, wherein the bottom of the tank body is provided with an air outlet, the air outlet is externally connected with an air extractor, and one end of the connecting pipe, which is far away from the interface, is connected with the air outlet.

9. The water tank of claim 7, wherein the air exhaust device further comprises:

10. The water tank of claim 9, wherein the air exhaust device further comprises:

11. The water tank as claimed in claim 10, wherein a lifting groove is formed in the limiting structure, and the floating structure is disposed in the lifting groove.

12. The water tank as claimed in claim 9, wherein a first detection device is arranged in the float structure and used for detecting the liquid level in the liquid storage cavity.

13. The water tank of claim 9, wherein a surface of the float structure and/or the air inlet is provided with soft glue, and when the float structure blocks the air inlet, the soft glue is used for sealing the air inlet.

14. The water tank as claimed in claim 6, wherein the water inlet means comprises:

15. The water tank as claimed in claim 7, wherein the water inlet means comprises:

16. The water tank as claimed in claim 14 or 15, wherein the bottom of the tank body is provided with a water inlet, one end of the water inlet is communicated with the joint, and the other end of the water inlet is externally connected with a water source.

17. The water tank of claim 1, further comprising:

18. The water tank of claim 17, further comprising:

19. The water tank as claimed in claim 17, wherein the drain means is provided at a bottom of the tank body.

20. The water tank as claimed in claim 1, wherein the bottom wall of the tank body is further provided with a reserved hole site.

21. The water tank as claimed in claim 1, wherein a clamping groove is formed in the bottom wall of the tank body, and a second detection device is arranged in the clamping groove;

22. A base station, characterized by comprising a base station body fitted with at least one water tank according to any one of claims 1 to 21.