Water tank and clothes care machine

Abstract

The invention discloses a water tank and a clothes care machine, and relates to the technical field of household appliances, the water tank comprises a tank body, the tank body is provided with a first cavity and a second cavity, the first cavity and the second cavity are communicated at the position lower than the highest water line of the tank body, the tank body is provided with a water injection port, and the water injection port is communicated with the first cavity; the plugging piece is plugged at the communication part of the first cavity and the second cavity; the operation part is arranged on the box body, the operation part is connected with the plugging part, the operation part is used for driving the plugging part to relieve plugging between the first cavity and the second cavity, and according to the water tank, after the first cavity is filled with water, when the water tank is installed on a machine, the plugging part is driven through the operation part, and the first cavity and the second cavity can communicate with each other. Therefore, the part, higher than the highest water level, of water in the first cavity flows into the second cavity, and the problem that an alarm is triggered due to the fact that the water level is too high is effectively avoided.

Description

Technical Field

[0001] The present invention relates to the technical field of household appliances, and in particular to a water tank and a clothing care machine. Background Art

[0002] As a household appliance, a clothing care machine can perform a variety of care operations on clothing, keeping them in good condition. Powered by electricity, it operates within a sealed cavity, performing one or more of these functions: wrinkle removal, odor removal, sterilization, mite removal, allergy removal, and drying.

[0003] Chinese patent document CN210621279U discloses a water tank for a clothing care machine. It comprises an enclosed care space formed by a housing and a door. A wastewater tank and a clean water tank are detachably mounted at the bottom of the housing. The clean water tank has an inlet, while the wastewater tank has a drain. In actual use, this solution requires frequent refilling of the clean water tank and periodic emptying of the wastewater tank, making the process quite cumbersome.

[0004] Chinese patent document CN205775512U discloses a clothing care machine that purifies and recycles sewage, equipped with a sewage treatment plant. When the clothing care machine is used, the motor starts, and the clean water in the clean water tank is converted into water vapor and sprayed out to care for the clothes. The water vapor containing dirt then condenses into water droplets and flows into the sewage tank. The sewage in the sewage tank then flows into the sewage treatment plant, where it is treated and then returned to the clean water tank, thus achieving water recycling. Through the above solution, the frequency of adding water to the clean water tank and cleaning the sewage tank can be greatly reduced.

[0005] However, in the above solution, since the purified sewage will flow back into the clean water tank, the water level in the clean water tank must be monitored, and an alarm will be issued once the water level is too high. The actual situation is that some users basically do not pay attention to the maximum water level scale line when adding water to the clean water tank, and just blindly fill the clean water tank completely with water. If you follow this operation method, when the clean water tank is placed in the machine, the machine will alarm and prompt the user to pour out some water. But at this time, users often don’t understand why the machine still alarms when the clean water tank is already full of water, and some of the water just filled has to be poured out. This undoubtedly greatly affects the user experience. Summary of the Invention

[0006] In view of this, the present invention provides a water tank and a clothing care machine to solve the problem that the machine will alarm after the existing water tank is filled with water.

[0007] In a first aspect, the present invention provides a water tank, comprising:

[0008] A box body, wherein the box body has a first cavity and a second cavity, the first cavity and the second cavity are connected at a position below the highest water level of the box body, the space below the highest water level in the second cavity is larger than the space above the highest water level in the first cavity, and the box body has a water inlet, the water inlet is connected to the first cavity;

[0009] a blocking member, blocking the connection between the first cavity and the second cavity;

[0010] An operating member is provided on the box body, the operating member is connected to the blocking member, and the operating member is used to drive the blocking member to release the blocking between the first cavity and the second cavity.

[0011] The technical solution of the present invention has the following advantages:

[0012] The water tank provided by the present invention, after filling the first cavity with water and installing it on a machine, can connect the first and second cavities by actuating the sealing member through the operating member. This allows the water in the first cavity above the maximum water level to flow into the second cavity, effectively avoiding the problem of triggering an alarm due to excessively high water levels.

[0013] Optionally, a first water level detection device is provided in the first cavity, and the first water level detection device is used to detect the lowest water level in the first cavity. With this arrangement, when the water level in the first cavity is too low, the first water level detection device can promptly remind the user to add water.

[0014] Optionally, a second water level detection device is provided in the first cavity and / or the second cavity, and is used to detect the maximum water level in the water tank. When the water tank is installed in the nursing machine, after the user uses the nursing machine to dry clothes multiple times, the moisture in the clothes is filtered and flows back into the water tank. The second water level detection device can promptly detect whether the water level in the water tank is too high, thereby promptly issuing an alarm to remind the user to take action.

[0015] Optionally, a portion of the sidewall of the first cavity directly below the water inlet serves as the sidewall of the second cavity, the highest point of the second cavity is flush with the highest point of the first cavity, and the volume ratio of the second cavity to the first cavity is 1:3. With this arrangement, when the first cavity is filled with water, water above the highest water level in the first cavity can flow into the second cavity, thereby keeping the overall water level in the water tank below the highest water level.

[0016] Optionally, an air inlet is provided above the second cavity, and a one-way air inlet valve is provided at the air inlet. This arrangement facilitates the smooth drainage of water from the water tank, facilitating its use. Specifically, as the water tank drains, a negative pressure gradually forms within the water tank due to the outflow of water. Without an air inlet and a one-way air inlet valve, as the negative pressure within the water tank increases, the resistance to water outflow will also increase, ultimately leading to poor drainage or even cessation of drainage.

[0017] Optionally, the operating member has a driving rod, which is connected to the sealing member after passing through the second cavity. The driving rod is connected to a first water-blocking member on the inner side of the second cavity and a second water-blocking member on the outer side of the second cavity; when the driving rod is actuated, the first water-blocking member and the second water-blocking member are respectively at two different positions of the driving rod, sealing the perforation formed when the driving rod passes through the second cavity.

[0018] With this arrangement, when the drive rod is operated to release the blocking member, the second water retaining member on the drive rod moves upward to seal the perforation. At this point, under the action of water pressure, the second water retaining member is compressed, thereby causing the drive rod to remain firmly in its current position, thereby ensuring the stability of the connection between the first cavity and the second cavity.

[0019] Optionally, the device further comprises a first biasing member connected to the drive rod, the first biasing member having a biasing force for driving the drive rod to reset, and the drive rod driving the blocking member after overcoming the biasing force of the first biasing member. With this arrangement, when the drive rod is released, the first biasing member automatically resets the drive rod, thereby allowing the blocking member to resume its sealing function between the first cavity and the second cavity.

[0020] Optionally, the blocking member includes a first blocking member and a second blocking member, wherein the first blocking member is disposed on a side wall of the second cavity, and the second blocking member is disposed at a bottom end of the second cavity, wherein the driving rod is connected to the first blocking member via a first connecting structure and to the second blocking member via a second connecting structure. This arrangement allows the first cavity and the second cavity to be connected at multiple locations, thereby preventing the formation of an airtight seal within the second cavity that would affect the normal flow of liquid.

[0021] The device further comprises a second biasing member connected to the first blocking member, the second biasing member having a biasing force for driving the first blocking member back toward the blocking position. With this arrangement, when the first blocking member is released, the first blocking member can resume blocking the space between the first cavity and the second cavity under the action of the second biasing member.

[0022] Optionally, the first connection structure includes:

[0023] A driving block, fixedly connected to the driving rod, wherein the driving block has a driving surface;

[0024] The first connecting rod is fixedly connected to the first blocking member, and the first connecting rod is slidably matched with the driving surface of the driving block. When the driving rod moves along its axial direction, the driving block drives the first connecting rod to move along its axial direction, thereby driving the first blocking member to release the blockage.

[0025] Through the above connection structure, when the driving block is driving, it is not easy for the driving block to move in the opposite direction due to the impact of the water flow, thereby ensuring the communication state between the first chamber and the second chamber.

[0026] The second connection structure includes:

[0027] a lever, the lever being rotatably disposed in the second cavity, and one end of the lever being rotatably connected to the driving rod;

[0028] The second connecting rod is fixedly connected to the second blocking piece, and the second connecting rod is rotatably connected to the second end of the lever. When the driving rod moves along its axial direction, the lever drives the second connecting rod to move along its axial direction, thereby driving the second blocking piece to release the blockage.

[0029] By using this lever, force amplification can be achieved by rationally arranging the lever's fulcrum position and the length ratio of the power arm and resistance arm according to the principle of leverage. By positioning the rotating lever within the second cavity, the entire connection structure achieves power transmission from the drive rod to the second blocking member within a limited space. Compared to some linear connection structures, this lever layout allows for more efficient use of the space within the second cavity.

[0030] In a second aspect, the present invention further provides a clothing care machine, comprising: a machine body and a water tank according to any one of the above-mentioned solutions, wherein the water tank is detachably mounted on the machine body.

[0031] The clothing care machine provided by the present invention has all the advantages of the water tank due to the use of the water tank.

[0032] Optionally, the machine includes a sewage filter, whose outlet communicates with the first and / or second cavities of the water tank. This arrangement connects the sewage filter to the water tank, achieving functional integration. The user can transfer filtered sewage to a storage location without additional effort, simplifying the overall operation of the clothing care machine and improving its ease of use.

[0033] Optionally, the machine body has a mating member for driving the operating member, and the mating member is located below the water tank. During use, the water tank usually contains a certain amount of water and has a large mass. Placing the mating member below the water tank fully utilizes the weight of the water tank, thereby driving the operating member through the mating member. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] In order to more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the specific embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0035] Figure 1 This is a three-dimensional diagram of the interior of a water tank according to an embodiment of the present invention;

[0036] Figure 2 for Figure 1 a cross-sectional view of the water tank shown;

[0037] Figure 3 for Figure 2 A partial enlarged schematic diagram;

[0038] Figure 4 for Figure 2 A front view of the water tank shown in ;

[0039] Figure 5 for Figure 2 A three-dimensional view of the sealing structure at the lower water outlet of the intermediate water tank.

[0040] Description of reference numerals:

[0041] 1. Box body; 2. First cavity; 3. Second cavity; 4. Water filling port; 5. First water level detection device; 6. Second water level detection device; 7. Air inlet; 8. Drive rod; 9. First water retaining member; 10. Second water retaining member; 11. Receiver plate; 12. Bottom plate; 13. Sleeve; 14. First biasing member; 15. First blocking member; 16. Second blocking member; 17. Drive block; 18. First connecting rod; 19. Lever; 20. Second connecting rod; 21. Second biasing member; 22. Lower water outlet; 23. Lower cover; 24. Valve stem; 25. Valve core; 26. Third biasing member. DETAILED DESCRIPTION

[0042] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without making creative efforts shall fall within the scope of protection of the present invention.

[0043] In the description of the present invention, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings and are intended solely to facilitate and simplify the description of the present invention. They are not intended to indicate or imply that the devices or components referred to must have, be constructed, or operate in a specific orientation, and therefore should not be construed as limitations on the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0044] In the description of the present invention, it should be noted that, unless otherwise specified or limited, the terms "mounted," "connected," and "connected" should be understood broadly. For example, they may refer to fixed connections, detachable connections, or integral connections; and they may refer to direct connections or indirect connections through an intermediary. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on specific circumstances.

[0045] In addition, the technical features involved in the different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0046] like Figure 1 As shown, a specific implementation of the water tank provided in this embodiment includes: a box body 1, wherein the box body 1 has a first cavity 2 and a second cavity 3, the first cavity 2 and the second cavity 3 are connected at a position lower than the highest water level line of the box body 1, the space below the highest water level line in the second cavity 3 is larger than the space above the highest water level line in the first cavity 2, and the box body 1 has a water injection port 4, which is connected to the first cavity 2; that is, when water is injected into the box body 1 through the water injection port 4, it first enters the first cavity 2.

[0047] like Figure 1 As shown, a blocking member is provided at the connection between the first cavity 2 and the second cavity 3. The blocking member is in a normally closed state and can be unblocked by driving, thereby allowing the first cavity 2 and the second cavity 3 to communicate.

[0048] like Figure 1As shown, an operating member is provided on the box body 1 , the operating member is connected to the blocking member, and the operating member is used to drive the blocking member to release the blocking between the first cavity 2 and the second cavity 3 .

[0049] In the water tank provided in this embodiment, after the first cavity 2 is filled with water and installed on a machine, the operating member actuates the sealing member, thereby allowing the first cavity 2 to communicate with the second cavity 3. This allows the water in the first cavity 2 that is above the maximum water level to flow into the second cavity 3, effectively preventing the alarm from being triggered due to excessively high water levels.

[0050] like Figure 1 As shown, in some embodiments, a first water level detection device 5 is disposed within the first cavity 2, and the first water level detection device 5 is used to detect the lowest water level within the first cavity 2. With this configuration, when the water level within the first cavity 2 is too low, the first water level detection device 5 can promptly remind the user to add water. Of course, the above description is not restrictive. In some alternative embodiments, the first water level detection device 5 can be omitted, or other water level detection devices that are not disposed within the first cavity 2 can be used, such as an ultrasonic water level detection device.

[0051] like Figure 1 As shown, in some embodiments, part of the side wall of the first cavity 2 located directly below the water injection port 4 is the side wall of the second cavity 3, the highest position of the second cavity 3 is flush with the highest position of the first cavity 2, and the volume ratio of the second cavity 3 to the volume of the first cavity 2 is 1:3.

[0052] Through the above arrangement, the space below the highest water level in the second cavity 3 is larger than the space above the highest water level in the first cavity 2. After the first cavity 2 and the second cavity 3 are connected, the second cavity 3 is used to accommodate excess liquid in the first cavity 2, thereby avoiding the problem of the water level being too high alarm. In addition, by arranging the part of the side wall of the first cavity 2 directly below the water injection port 4 and the side wall of the second cavity 3 to be the same side wall, the cross-sectional area of the area directly below the water injection port 4 in the first cavity 2 can be reduced, thereby reducing the amount of water in this area that exceeds the highest water level.

[0053] Specifically, when the first cavity 2 is filled with water, the water in the first cavity 2 that is higher than the maximum water level line can flow into the second cavity 3, thereby making the overall water level in the water tank below the maximum water level line.

[0054] Of course, in some alternative embodiments, other arrangements may be adopted. For example, the second cavity 3 may be sunk into the bottom area of the first cavity 2 .

[0055] like Figure 1 As shown, in some embodiments, a second water level detection device 6 is provided in the second cavity 3. The second water level detection device 6 is used to detect the highest water level in the water tank. When the water tank is placed in the nursing machine, after the user uses the nursing machine to dry clothes multiple times, the moisture in the clothes is filtered and flows back into the water tank. The second water level detection device 6 can promptly detect whether the water level in the water tank is too high, thereby promptly issuing an alarm to remind the user to take action. In addition, in some alternative embodiments, the second water level detection device 6 can also be provided in the first cavity 2, or in both the first cavity 2 and the second cavity 3.

[0056] like Figure 2 、 Figure 3 As shown, in some embodiments, an air inlet 7 is provided above the second cavity 3, and a one-way air inlet valve is provided at the air inlet 7. This arrangement allows the water in the water tank to be discharged smoothly for easy use. Specifically, when the water tank is draining outward, the space inside the water tank will gradually form a negative pressure due to the outflow of water. Without the air inlet 7 and the one-way air inlet valve, as the negative pressure in the water tank increases, the resistance to water outflow will also become greater and greater, which may eventually lead to poor drainage or even cessation of drainage. Of course, in some alternative embodiments, the one-way air inlet valve can be omitted.

[0057] like Figure 2 As shown, in some embodiments, the operating member has a driving rod 8, which is connected to the sealing member after passing through the second cavity 3. The driving rod 8 is connected to a first water stop 9 on the inner side of the second cavity 3 and a second water stop 10 on the outer side of the second cavity 3; when the driving rod 8 is actuated, the first water stop 9 and the second water stop 10 are respectively at two different positions of the driving rod 8, sealing the perforation formed when the driving rod 8 passes through the second cavity 3.

[0058] With the above arrangement, when the driving rod 8 is operated to release the blocking member, the second water stop 10 on the driving rod 8 moves upward to block the perforation. At this time, under the action of water pressure, the second water stop 10 is compressed, which in turn forces the driving rod 8 to remain firmly in its current position, thereby ensuring the stability of the communication between the first cavity 2 and the second cavity 3.

[0059] Of course, in some alternative embodiments, the operating member may also adopt other structures. For example, an operating member that directly leads into the second cavity 3 may be provided outside the box body 1, and the blocking member may be directly driven to move by the operating member.

[0060] like Figure 2As shown, in some embodiments, a receiving plate 11 is provided below the second cavity 3. The receiving plate 11 is parallel to and spaced apart from the bottom plate 12 of the second cavity 3. A sleeve 13 is provided in the gap between the receiving plate 11 and the bottom plate 12. The first water stop 9 and the second water stop 10 are respectively used to block the two ends of the sleeve 13. The provision of the receiving plate 11 ensures that the second cavity 3 is blocked at both positions where the driving rod 8 is actuated, thereby ensuring the stability of the actuation of the driving rod 8.

[0061] like Figure 2 As shown, in some embodiments, the operating member further includes a first biasing member 14, which is connected to the drive rod 8 and has a biasing force that drives the drive rod 8 to reset. The drive rod 8 drives the blocking member after overcoming the biasing force of the first biasing member 14. With this arrangement, when the drive rod 8 is released, the first biasing member 14 automatically resets the drive rod 8, thereby allowing the blocking member to resume its blockage between the first cavity 2 and the second cavity 3. Specifically, the first biasing member 14 can be a spring, a magnetic member, or the like.

[0062] like Figure 4 As shown, in some embodiments, the blocking member includes: a first blocking member 15 and a second blocking member 16, wherein the first blocking member 15 is arranged on the side wall of the second cavity 3, and the second blocking member 16 is arranged at the bottom end of the second cavity 3, and the driving rod 8 is connected to the first blocking member 15 via a first connecting structure, and is connected to the second blocking member 16 via a second connecting structure. Through the above arrangement, when the first cavity 2 and the second cavity 3 are connected, multiple connections can be achieved, thereby avoiding the formation of an air seal in the second cavity 3 that affects the normal inflow of liquid. Of course, in some alternative embodiments, only one blocking member or more blocking members can be provided.

[0063] In some embodiments, the first blocking member 15 is connected to a second biasing member 21. This second biasing member 21 exerts a biasing force for driving the first blocking member 15 back toward its blocked position. With this arrangement, when the first blocking member 15 is released, the second biasing member 21 can restore the seal between the first cavity 2 and the second cavity 3. Specifically, the second biasing member 21 can be a spring or other biasing structure, such as a magnet.

[0064] like Figure 4As shown, in some embodiments, the first connecting structure includes: a driving block 17 and a first connecting rod 18, the driving block 17 is fixedly connected to the driving rod 8, and the driving block 17 has a driving surface; specifically, in this embodiment, the driving surface is an inclined surface; the first connecting rod 18 is fixedly connected to the first blocking member 15, and the first connecting rod 18 slides with the driving surface of the driving block 17. When the driving rod 8 moves along its axial direction, the driving block 17 drives the first connecting rod 18 to move along its axial direction, thereby driving the first blocking member 15 to release the blockage.

[0065] Through the above connection structure, when the driving block 17 is driven, it is not easy for the driving block 17 to move in the reverse direction due to the impact of the water flow, thereby ensuring the communication state between the first chamber and the second chamber.

[0066] Of course, the above description is not restrictive, and in some alternative embodiments, the connection structure may also adopt other conventional structures, such as a worm gear structure.

[0067] like Figure 4 As shown, in some embodiments, the second connection structure includes: a lever 19 and a second connecting rod 20. The lever 19 is rotatably disposed in the second cavity 3, one end of the lever 19 is rotatably connected to the drive rod 8, and the other end of the lever 19 is connected to the second connecting rod 20. The second connecting rod 20 is fixedly connected to the second blocking member 16. When the drive rod 8 moves along its axial direction, the lever 19 drives the second connecting rod 20 to move along its axial direction, thereby driving the second blocking member 16 to release the blockage.

[0068] By utilizing the lever 19 described above, force amplification can be achieved by rationally arranging the fulcrum position of the lever 19 and the length ratio of the power arm to the resistance arm, based on the principle of the lever 19. By positioning the rotating lever 19 within the second cavity 3, the entire connection structure achieves power transmission from the drive rod 8 to the second blocking member 16 within a limited space. Compared to some linear connection structures, the layout of the lever 19 allows for more efficient use of the space within the second cavity 3.

[0069] Working principle:

[0070] like Figure 2 As shown, after the water tank is removed from the machine, the driving rod 8 of the operating member is maintained in a downward position under the action of the first biasing member 14. The first blocking member 15 is maintained in a blocking state against the side wall of the second cavity 3 under the action of the second biasing member 21, and the second blocking member 16 is maintained in a blocking state against the bottom of the second cavity 3 under the action of the lever 19.

[0071] like Figure 4As shown, after the water tank is installed on the machine, the mating member on the machine abuts upward against the operating member's drive rod 8, causing it to move upward. Driven by the actuator 17, the first blocking member 15 moves in a direction that releases the seal on the second cavity 3, thereby connecting the sidewall of the second cavity 3 with the first cavity 2. Lever 19 also moves the first blocking member 15 in a direction that releases the seal on the second cavity 3, thereby connecting the bottom of the second cavity 3 with the first cavity 2.

[0072] like Figure 2 、 Figure 5 As shown, in some embodiments, the water tank further has a lower water outlet 22, and a blocking structure is provided at the lower water outlet 22. The blocking structure includes: a lower cover 23, and the lower cover 23 is connected to the lower water outlet 22 of the water tank by threads. A valve stem 24 is slidably installed in the lower cover 23, and a third biasing member 26 is connected to the valve stem 24. A valve core 25 is installed on the valve stem 24, and the third biasing member 26 has a biasing force that drives the valve stem 24 to slide toward the lower end, thereby causing the valve core 25 to block the lower water outlet 22. When in use, the valve stem 24 is pushed upward, so that the valve stem 24 overcomes the biasing force of the third biasing member 26 and moves upward, and then the valve core 25 opens the lower water outlet 22. Specifically, the valve core 25 can be made of a rubber pad. The top end of the valve stem 24 is adapted to abut against the drive rod 8 , so that when the valve stem 24 is driven, the drive rod 8 can be driven synchronously.

[0073] In a second aspect, this embodiment further provides a clothing care machine, comprising: a machine body and the water tank described in the above embodiment, wherein the water tank is detachably mounted on the machine body, and the machine body has a mating part for driving the operating part, wherein the mating part is located below the water tank. Since the water tank usually contains a certain amount of water during use and has a large mass, placing the mating part below the water tank fully utilizes the weight of the water tank, thereby driving the operating part through the mating part. Of course, the above description is not restrictive, and in some alternative embodiments, the mating part on the machine body can be set in other positions, such as near the side of the water tank.

[0074] In some embodiments, the machine includes a sewage filter, whose outlet communicates with the first cavity 2 and / or the second cavity 3 of the water tank. This arrangement connects the sewage filter to the water tank, achieving functional integration. Users can transfer filtered sewage to a storage location without additional effort, simplifying the overall operation of the clothing care machine and improving its ease of use.

[0075] Although the embodiments of the present invention have been described with reference to the accompanying drawings, those skilled in the art may make various modifications and variations without departing from the spirit and scope of the present invention, and such modifications and variations shall all fall within the scope defined by the present invention.

Claims

1. A water tank, characterized in that: include: A box body (1), wherein the box body (1) has a first cavity (2) and a second cavity (3), the first cavity (2) and the second cavity (3) are connected at a position below the highest water level of the box body (1), the space below the highest water level in the second cavity (3) is larger than the space above the highest water level in the first cavity (2), and the box body (1) has a water inlet (4), and the water inlet (4) is connected to the first cavity (2); a blocking member for blocking the connection between the first cavity (2) and the second cavity (3); An operating member is provided on the box body (1), the operating member is connected to the blocking member, and the operating member is used to drive the blocking member to release the blocking between the first cavity (2) and the second cavity (3).

2. The water tank according to claim 1, characterized in that A first water level detection device (5) is provided in the first cavity (2), and the first water level detection device (5) is used to detect the lowest water level in the first cavity (2).

3. The water tank according to claim 2, characterized in that A second water level detection device (6) is provided in the first cavity (2) and / or the second cavity (3), and the second water level detection device (6) is used to detect the highest water level in the water tank.

4. The water tank according to claim 1, characterized in that Part of the side wall of the first cavity (2) located directly below the water injection port (4) is the side wall of the second cavity (3), the highest position of the second cavity (3) is flush with the highest position of the first cavity (2), and the volume ratio of the second cavity (3) to the first cavity (2) is 1:

3.

5. The water tank according to claim 1, characterized in that An air inlet (7) is provided above the second cavity (3), and a one-way air inlet valve is provided at the air inlet (7).

6. The water tank according to any one of claims 1 to 5, characterized in that: The operating member has a driving rod (8), and the driving rod (8) is connected to the sealing member after passing through the second cavity (3). The driving rod (8) is connected to a first water-blocking member (9) on the inner side of the second cavity (3), and is connected to a second water-blocking member (10) on the outer side of the second cavity (3); when the driving rod (8) is in motion, the first water-blocking member (9) and the second water-blocking member (10) are respectively at two different positions of the driving rod (8), and the perforation formed when the driving rod (8) passes through the second cavity (3) is blocked.

7. The water tank according to claim 6, characterized in that Also includes: A first biasing member (14) is connected to the driving rod (8), and the first biasing member (14) has a biasing force for driving the driving rod (8) to reset, and the driving rod (8) drives the blocking member after overcoming the biasing force of the first biasing member (14).

8. The water tank according to claim 6, characterized in that The blocking member comprises: a first blocking member (15) and a second blocking member (16), wherein the first blocking member (15) is arranged on the side wall of the second cavity (3), and the second blocking member (16) is arranged at the bottom end of the second cavity (3); the driving rod (8) is connected to the first blocking member (15) via a first connecting structure, and is connected to the second blocking member (16) via a second connecting structure.

9. The water tank according to claim 8, characterized in that The first connection structure includes: A driving block (17) is fixedly connected to the driving rod (8), and the driving block (17) has a driving surface; a first connecting rod (18) fixedly connected to the first blocking member (15); the first connecting rod (18) slidingly cooperates with the driving surface of the driving block (17); when the driving rod (8) moves along its axial direction, the driving block (17) drives the first connecting rod (18) to move along its axial direction, thereby driving the first blocking member (15) to release the blockage; The second connection structure includes: a lever (19), the lever (19) being rotatably disposed in the second cavity (3), and one end of the lever (19) being rotatably connected to the driving rod (8); The second connecting rod (20) is fixedly connected to the second blocking member (16). The second connecting rod (20) is rotatably connected to the second end of the lever (19). When the driving rod (8) moves along its axial direction, the lever (19) drives the second connecting rod (20) to move along its axial direction, thereby driving the second blocking member (16) to release the blockage.

10. A clothing care machine, characterized in that: include: A machine body and a water tank according to any one of claims 1 to 9, wherein the water tank is detachably mounted on the machine body.

11. The clothing care machine according to claim 10, characterized in that: The machine body is provided with a matching piece for driving the operating piece, and the matching piece is located below the water tank.

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