Water tank assembly and water dispenser

Abstract

The utility model relates to the technical field of household appliances, and discloses a water tank assembly and a water dispenser, the water tank assembly comprises: a box body, which comprises an open box body and an upper cover, the upper cover detachably covers the opening of the open box body; the sealing ring is arranged between the upper cover and the open box body and surrounds the opening of the open box body; and the pressing assembly is arranged between the open box body and the upper cover and can press the upper cover on the open box body and compress the sealing ring. In the using process of the water tank assembly, when part of parts are damaged, or when leakage detection is carried out on the water tank, air leakage or water leakage is found, an operator can remove connection between the upper cover and the open tank body, and then faulted parts in the water tank assembly are replaced, so that the water tank assembly is convenient to use. Therefore, the production cost and the after-sale cost of the water tank assembly are reduced, and a user can conveniently clean the water tank assembly after sale.

Description

TECHNICAL FIELD

[0001] The utility model relates to domestic appliance technical field, concretely relates to a water tank assembly and water dispenser. BACKGROUND

[0002] With the continuous improvement of people's living standards, the importance of consumers for drinking water health is also higher and higher, and the water dispenser products with water purification function are more and more popular with consumers. In the related art, the water dispenser comprises a water tank and a water tank accessory arranged in the water tank, and the water tank accessory is prone to failure during use of the water dispenser.

[0003] In order to improve the sealing performance of the water tank, the related art generally uses welding to set the water tank as an integrated structure. However, such a water tank is not convenient for disassembling and replacing internal parts. When internal parts of the water tank are damaged or during leakage inspection of the water tank, air leakage or water leakage is found, etc. The entire water tank can only be replaced, resulting in increased production and after-sales costs of the water tank. SUMMARY

[0004] Therefore, the utility model provides a water tank assembly and water dispenser to solve the problem of inconvenient disassembly and replacement of internal parts of the water tank in the related art, which increases the production and after-sales costs of the water tank.

[0005] In a first aspect, the utility model provides a water tank assembly, comprising:

[0006] The tank body comprises an open tank body and an upper cover, and the upper cover is detachably covered at the opening of the open tank body.

[0007] The sealing ring is arranged between the upper cover and the open tank body and surrounds the opening of the open tank body.

[0008] The compression assembly is arranged between the open tank body and the upper cover, and can compress the upper cover on the open tank body and compress the sealing ring.

[0009] Advantages: the water tank assembly of the utility model embodiment can compress the upper cover on the open tank body and compress the sealing ring during use, thereby ensuring the sealing performance of the water tank assembly with the help of the sealing ring.

[0010] When internal parts of the water tank are damaged or during leakage inspection of the water tank, air leakage or water leakage is found, etc. The operator can disconnect the upper cover from the open tank body, and then replace the faulty parts in the water tank assembly, so that other intact parts can be used, thereby reducing the production and after-sales costs of the water tank assembly, and facilitating the user to clean the water tank assembly after sale, which helps to improve the user experience.

[0011] In addition, the water tank assembly has simple structure, easy assembly, safe and reliable use, and facilitates popularization and application.

[0012] In an alternative embodiment, the compression assembly comprises:

[0013] The buckle is arranged on one of the open box body and the upper cover;

[0014] The buckle slot is arranged on the other of the open box body and the upper cover, and can be clamped with the buckle.

[0015] Beneficial effect: through such arrangement, the buckle can apply compression force to the slot wall of the buckle slot during the clamping process, and the upper cover is compressed on the open box body.

[0016] In an alternative embodiment, a limiting slot is arranged on the upper cover and / or the open box body, the limiting slot is arranged around the opening of the open box body, and the sealing ring is arranged in the limiting slot.

[0017] Beneficial effect: through such arrangement, the limiting slot can be used to limit the sealing ring, so as to avoid displacement of the sealing ring during use, or the sealing ring is squeezed out from the gap between the upper cover and the open box body when the pressure in the water tank assembly is too large, thereby causing sealing failure and water leakage.

[0018] In an alternative embodiment, a limiting slot is arranged on the upper cover, and a pressing convex part is arranged on the open box body, the pressing convex part is arranged at a position corresponding to the limiting slot, and can abut against the sealing ring.

[0019] Beneficial effect: through such arrangement, the pressing convex part can be pressed on the sealing ring under the action of the compression assembly, thereby increasing the compression amount of the sealing ring, which helps to improve the sealing performance of the water tank assembly.

[0020] In an alternative embodiment, a rotation stopping surface is formed between the sealing ring and the slot wall of the limiting slot.

[0021] Beneficial effect: through such arrangement, rotation of the sealing ring in the limiting slot can be avoided, so that the sealing ring is squeezed out from the gap between the upper cover and the open box body when the pressure in the water tank assembly is too large, thereby causing sealing failure and water leakage.

[0022] In an alternative embodiment, the compression amount of the sealing ring is Δ, and 15%≤Δ≤25%.

[0023] Beneficial effect: when the compression amount of the sealing ring is within the above range, the sealing performance of the water tank assembly can be met while ensuring that the compression assembly has appropriate compression force during compression, thereby facilitating assembly operation of the water tank assembly.

[0024] In an alternative embodiment, the water tank assembly further comprises:

[0025] a first connecting portion arranged on the open tank body;

[0026] a second connecting portion arranged on the upper cover, the first connecting portion and the second connecting portion being aligned when the compression assembly compresses the upper cover on the open tank body, and the first connecting portion being capable of being fixedly connected with the second connecting portion.

[0027] Beneficial effects: the first connecting portion and the second connecting portion can enhance the connection strength between the upper cover and the open tank body, thereby helping to improve the sealing performance of the water tank assembly.

[0028] In an alternative embodiment, the first connecting portion comprises a first connecting hole arranged on the open tank body, the second connecting portion comprises a second connecting hole arranged on the upper cover, and the water tank assembly further comprises a screw capable of penetrating through the second connecting hole and being connected with the first connecting hole.

[0029] Beneficial effects: by such arrangement, the screw can not only reliably connect the upper cover and the open tank body, but also apply a force to the tank body to press the upper cover and the open tank body against each other during tightening, thereby helping to improve the sealing performance of the water tank assembly.

[0030] In an alternative embodiment, the tank body is provided with a water inlet, and the water tank assembly further comprises:

[0031] a water inlet valve connected to the water inlet;

[0032] a liquid level switch arranged in the water tank and used for detecting the water level in the water tank, the liquid level switch being in communication connection with the water inlet valve.

[0033] Beneficial effects: by such arrangement, the liquid level switch can control the opening and closing of the circuit by detecting the water level, thereby controlling the opening and closing of the water inlet valve.

[0034] Illustratively, when the liquid level switch detects that the liquid level in the water tank assembly reaches a preset liquid level, a signal can be sent to switch the water inlet valve to a closed state to stop supplying water to the water tank, thereby avoiding the adverse consequences of water leakage caused by the water tank assembly failing to stop water inflow.

[0035] In an alternative embodiment, the water tank assembly further comprises:

[0036] a float ball arranged in the tank body, the water inlet valve being arranged in linkage with the float ball, and the water inlet valve having an initial state of being kept open and a closed state of being switched to closed after the float ball floats up.

[0037] Beneficial effects: by so arranging, when the liquid level switch fails, the float ball can switch the water inlet valve to the closed state through mechanical linkage when the liquid level in the water tank reaches the preset liquid level, thereby avoiding the water leakage phenomenon caused by the liquid level switch failure.

[0038] In an alternative embodiment, the water tank assembly further comprises:

[0039] An ultraviolet lamp is arranged on the box body and used for irradiating towards the inside of the box body.

[0040] Beneficial effects: the ultraviolet lamp can not only kill bacteria, viruses, parasites, waterweeds and other pathogens in the water tank through ultraviolet irradiation, thereby achieving the effect of sterilization and disinfection, but also effectively inhibit the growth of bacteria and prevent the generation of bacterial films on the inner surface of the water tank, and help improve the water quality.

[0041] In a second aspect, the utility model also provides a water dispenser, comprising:

[0042] The water tank assembly of the first aspect of the utility model;

[0043] A water inlet pipeline assembly is connected to the water tank assembly and used for supplying water to the water tank assembly.

[0044] A water outlet pipeline assembly is connected to the water tank assembly and can draw water in the water tank assembly.

[0045] Beneficial effects: the water dispenser of the second aspect of the utility model comprises or uses the water tank assembly of the first aspect of the utility model, thus having the beneficial effects thereof, i.e., the components that fail in the water tank assembly can be conveniently replaced, so that other intact components can be continuously used, thereby reducing the production and after-sales costs of the water tank assembly, and the water tank assembly can be conveniently cleaned by the user after sales, which helps improve the user experience. BRIEF DESCRIPTION OF DRAWINGS

[0046] In order to more clearly illustrate the specific embodiments of the utility model or the technical solutions in the prior art, the drawings needed in the specific embodiments or the prior art description will be briefly introduced below, and obviously, the drawings in the following description are some embodiments of the utility model, and those skilled in the art can also obtain other drawings according to these drawings without creative labor.

[0047] Figure 1 It is a schematic view of a water tank assembly of the utility model embodiment;

[0048] Figure 2 It is Figure 1 It is an exploded view of the water tank assembly shown in the figure;

[0049] Figure 3A view from below of the upper cover of the water tank assembly of the embodiment of the present utility model;

[0050] Figure 4 For Figure 3 An enlarged view of position A in the figure;

[0051] Figure 5 A sealing ring of the water tank assembly of the embodiment of the present utility model;

[0052] Figure 6 A plan view of the open tank body of the water tank assembly of the embodiment of the present utility model;

[0053] Figure 7 For Figure 6 An enlarged view of position B in the figure;

[0054] Figure 8 A schematic view of the water tank assembly of the embodiment of the present utility model from another angle;

[0055] Figure 9 For Figure 8 An enlarged view of position C in the figure.

[0056] Explanation of reference signs:

[0057] 1, tank body proper; 101, open tank body; 1011, abutting convex part;

[0058] 102, upper cover; 1021, limiting groove;

[0059] 2, sealing ring;

[0060] 3, pressing assembly; 301, buckle; 302, clamping groove;

[0061] 4, liquid level switch;

[0062] 5, floating ball;

[0063] 6, ultraviolet lamp;

[0064] 7, water suction pipe. DETAILED DESCRIPTION

[0065] In order to make the purpose, technical scheme and advantages of the embodiments of the present utility model clearer, the technical scheme of the embodiments of the present utility model will be described clearly and completely below in combination with the drawings in the embodiments of the present utility model. Obviously, the described embodiments are some of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those skilled in the art without making creative efforts fall within the scope of protection of the present utility model.

[0066] In the related art, the water tank of the water dispenser has the possibility of air leakage and water leakage during production inspection, and the water tank needs to be replaced when the water tank is inspected for leakage. Generally, the water tank is a welded water tank, and only the entire water tank can be replaced, and a certain component cannot be disassembled and replaced.

[0067] The embodiments of the utility model will be described below in combination with Figures 1 to 9 , the embodiments of the utility model.

[0068] According to the embodiments of the utility model, on the one hand, a water tank assembly is provided, which comprises a tank body 1, a sealing ring 2, and a pressing assembly 3.

[0069] The tank body 1 comprises an upper cover 102 and an open tank body 101 that can be mutually buckled. The upper cover 102 is detachably covered at the opening of the open tank body 101. The sealing ring 2 is arranged between the upper cover 102 and the open tank body 101 and surrounds the opening of the open tank body 101. The pressing assembly 3 is arranged between the open tank body 101 and the upper cover 102 and can press the upper cover 102 tightly on the open tank body 101 and compress the sealing ring 2.

[0070] In the use process of the water tank assembly of the embodiments of the utility model, the pressing assembly 3 can press the upper cover 102 tightly on the open tank body 101 and compress the sealing ring 2, so as to ensure the sealing performance of the water tank assembly by means of the sealing ring 2.

[0071] When the internal parts of the water tank are damaged or when the water tank is inspected for leakage, the operator can release the connection between the upper cover 102 and the open tank body 101, and then replace the faulty component in the water tank assembly, so that the other intact components can be continued to be used, thereby reducing the production and after-sales costs of the water tank assembly, and facilitating the user to clean the water tank assembly after sales, which helps to improve the user experience.

[0072] In addition, the water tank assembly has the advantages of simple structure, easy assembly, safe and reliable use, and convenient implementation and popularization and application.

[0073] Preferably, but not limited to, the sealing ring 2 is made of an elastic material such as rubber or silicone.

[0074] Preferably, but not limited to, the sealing ring 2 is made of an elastic material such as rubber or silicone.

[0075] In one embodiment, as shown in Figure 3 and Figure 4 , a limiting groove 1021 is arranged on the upper cover 102 and / or the open tank body 101. The limiting groove 1021 surrounds the opening of the open tank body 101, and the sealing ring 2 is arranged in the limiting groove 1021.

[0076] By so arranging, the limiting groove 1021 can be used to limit the sealing ring 2, so as to avoid displacement of the sealing ring 2 in use, or the sealing ring 2 being squeezed out from the gap between the upper cover 102 and the open tank body 101 when the pressure in the water tank assembly is too large, thereby causing sealing failure and resulting in the adverse consequences of water leakage.

[0077] In one embodiment, as shown in Figure 6 and Figure 7 , the upper cover 102 is provided with a limiting groove 1021, and the open tank body 101 is provided with a pressing convex part 1011, which is arranged at a position corresponding to the limiting groove 1021 and can abut against the sealing ring 2.

[0078] By so arranging, the pressing convex part 1011 can be pressed against the sealing ring 2 under the action of the compression assembly 3, thereby increasing the compression amount of the sealing ring 2 and helping to improve the sealing performance of the water tank assembly.

[0079] As a convertible embodiment, in an embodiment not shown in the drawings, the limiting groove 1021 is arranged on the open tank body 101, and the pressing convex part 1011 is arranged on the upper cover 102.

[0080] In one embodiment, the compression amount of the sealing ring 2 is Δ, and 15%≤Δ≤25%.

[0081] When the compression amount of the sealing ring 2 is within the above range, the sealing performance of the water tank assembly can be met while ensuring that the compression assembly 3 has appropriate force when being compressed, thereby facilitating the assembly operation of the water tank assembly.

[0082] In a preferred embodiment, Δ=20%.

[0083] In one embodiment, a rotation-stopping surface is formed between the sealing ring 2 and the groove wall of the limiting groove 1021.

[0084] By so arranging, the sealing ring 2 can be prevented from rotating in the limiting groove 1021, so that the sealing ring 2 is squeezed out from the gap between the upper cover 102 and the open tank body 101 when the pressure in the water tank assembly is too large, thereby causing sealing failure and resulting in the adverse consequences of water leakage.

[0085] In one embodiment, the cross section of the sealing ring 2 is square.

[0086] In a preferred embodiment, adjacent two sides of the square are circularly arc-shaped, which can enhance the tear resistance of the sealing ring 2, disperse stress, avoid stress concentration, prevent the sealing ring 2 from being squeezed or torn during installation, and help to prolong the service life of the sealing ring 2.

[0087] In one embodiment, as shown in Figure 8 andFigure 9 As shown, the pressing assembly 3 comprises a buckle 301 and a buckling groove 302.

[0088] The buckle 301 is arranged on one of the open box body 101 and the upper cover 102. The buckling groove 302 is arranged on the other of the open box body 101 and the upper cover 102, and can be buckled with the buckle 301.

[0089] In this way, the buckle 301 can apply a pressing force to the groove wall of the buckling groove 302 during buckling, and press the upper cover 102 on the open box body 101.

[0090] In one embodiment, the buckling groove 302 is arranged on the upper cover 102, and the buckle 301 is arranged on the open box body 101.

[0091] As a convertible embodiment, in an embodiment not shown in the figure, the buckling groove 302 is arranged on the open box body 101, and the buckle 301 is arranged on the upper cover 102.

[0092] As another convertible embodiment, the pressing assembly 3 can also be a bolt connection assembly, and the fastening direction of the bolt connection assembly is parallel to the distance direction between the upper cover 102 and the open box body 101.

[0093] In one embodiment, the water tank assembly further comprises a first connecting part and a second connecting part.

[0094] The first connecting part is arranged on the open box body 101. The second connecting part is arranged on the upper cover 102, and the first connecting part and the second connecting part are aligned when the pressing assembly 3 presses the upper cover 102 on the open box body 101, and the first connecting part can be fixedly connected with the second connecting part.

[0095] The first connecting part and the second connecting part can enhance the connection strength between the upper cover 102 and the open box body 101, thereby helping to improve the sealing performance of the water tank assembly.

[0096] In one embodiment, the first connecting part comprises a first connecting hole arranged on the open box body 101, the second connecting part comprises a second connecting hole arranged on the upper cover 102, and the water tank assembly further comprises a screw which can pass through the second connecting hole and be connected with the first connecting hole.

[0097] In this way, the screw not only can reliably connect the upper cover 102 and the open box body 101, but also can apply a force to the box body 1 during tightening to press the upper cover 102 and the open box body 101 against each other, thereby helping to improve the sealing performance of the water tank assembly.

[0098] In the description of the present application, it should be understood that the terms "first", "second" and the like are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. In the description of the present application, the meaning of "multiple" is more than two, unless otherwise specifically limited.

[0099] In one embodiment, the water tank assembly is further provided with a water inlet, and the water tank assembly further comprises a liquid level switch 4. The liquid level switch 4 is arranged in the water tank and is used to detect the water level in the water tank.

[0100] By so doing, the liquid level switch 4 can control the on-off of the circuit by detecting the high and low of the water level, thereby controlling the opening and closing of the water inlet valve.

[0101] For example, when the liquid level switch 4 detects that the liquid level in the water tank assembly reaches a preset liquid level, a signal can be sent to switch the water inlet valve to a closed state, stopping water supply to the water tank, thereby avoiding the adverse consequences such as water leakage caused by the water tank assembly unable to stop water inflow.

[0102] In one embodiment, the water tank assembly further comprises a float ball 5; the float ball 5 is arranged in the tank body 1 and is arranged in linkage with the water inlet valve, and the water inlet valve has an initial state of keeping open and a closed state of switching to closed after the float ball 5 floats up.

[0103] By so doing, when the liquid level switch 4 fails, the float ball 5 can switch the water inlet valve to a closed state by mechanical linkage when the liquid level in the water tank reaches a preset liquid level, thereby avoiding the phenomenon of water leakage caused by the failure of the liquid level switch 4.

[0104] In addition, since the float ball 5 is prone to failure during use of the water tank assembly, the upper cover 102 and the open tank body 101 of the water tank assembly of the present application are arranged in detachable connection, so that when the float ball 5 fails, the operator can disconnect the upper cover 102 from the open tank body 101, thereby replacing the float ball 5, and the user can conveniently clean the water tank assembly after sale, which helps to improve the user experience.

[0105] In one embodiment, the tank body 1 is provided with an inwardly recessed avoiding groove at one side position, and the water tank assembly further comprises a water inlet plug-in pipe joint arranged in the avoiding groove and connected with the water inlet valve.

[0106] By so doing, the avoiding groove can be used to accommodate the joint of the water inlet plug-in pipe, avoiding interference between the water inlet plug-in pipe and other components in the external environment, and the structure of the water tank assembly can be more compact.

[0107] In one embodiment, the water tank assembly further comprises an ultraviolet lamp 6. The ultraviolet lamp 6 is arranged on the tank body 1 and is used to irradiate towards the inside of the tank body 1.

[0108] The ultraviolet lamp 6 can not only kill bacteria, viruses, parasites, water algae and other pathogens in the water tank through ultraviolet irradiation to achieve the effect of sterilization and disinfection, but also effectively inhibit the growth of bacteria, prevent the formation of bacterial films on the inner surface of the water tank, and help improve water quality.

[0109] In an embodiment, the water tank assembly is provided with a water suction pipe 7 arranged in the tank body 1 for sucking water in the water tank out.

[0110] According to the embodiment of the utility model, on the other hand, a water dispenser is also provided, which comprises the water tank assembly of the first aspect of the utility model, the water inlet pipeline assembly and the water outlet pipeline assembly.

[0111] The water tank assembly is the water tank assembly provided in the first aspect of the utility model. The water inlet pipeline assembly is connected to the water tank assembly for supplying water to the water tank assembly. The water outlet pipeline assembly is connected to the water tank assembly and can suck water in the water tank assembly.

[0112] The water dispenser of the second aspect of the utility model comprises or uses the water tank assembly of the first aspect of the utility model, thus having the beneficial effects thereof, i.e. the components with faults in the water tank assembly can be replaced to enable other intact components to be continuously used, thereby reducing the production and after-sales costs of the water tank assembly, and the water tank assembly can be conveniently cleaned by the user after sales, which helps improve the user experience.

[0113] In an embodiment, the water dispenser is a hot water dispenser. As an upgraded version of the water purifier, the hot water dispenser can not only realize the function of the ordinary water purifier, but also differs from the ordinary water purifier in that the hot water dispenser can heat the purified water to a boiling state and then cool it to a set temperature through a heat exchanger.

[0114] Unlike the ordinary water purifier, the hot water dispenser heats the purified water to a set temperature. Compared with other types of water purifiers, the hot water dispenser is more suitable for the needs of Chinese people who drink cold boiled water.

[0115] As a convertible embodiment, in other unshown embodiments, the water tank assembly can also be selected to be applied to products with water tank assemblies, such as humidifiers and air purifiers.

[0116] In this application, unless otherwise clearly specified and limited, the terms "mounting", "connection", "connecting", "fixing" and the like should be understood in a broad sense, for example, can be fixed connection, can also be detachable connection, or integral; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be the internal communication of two elements or the interaction relationship of two elements. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0117] The above is only the preferred embodiment of the utility model, but the utility model protection scope is not limited to this, any person skilled in the art can easily change or change within the utility model disclosed technology range, and this change or change should be covered in the utility model protection scope.

[0118] Therefore, as long as there is no structural conflict, each technical feature mentioned in each embodiment can be combined in any way. The utility model is not limited to the specific embodiments disclosed herein, but includes those falling within the scope of the utility model claimed.

Claims

1. A water tank assembly, characterized in that, include: The box body (1) includes an open box body (101) and a top cover (102), wherein the top cover (102) is detachably installed on the opening of the open box body (101); A sealing ring (2) is provided between the upper cover (102) and the open box (101), and is arranged around the opening of the open box (101); The pressing assembly (3) is located between the open box body (101) and the upper cover (102), and can press the upper cover (102) onto the open box body (101) and compress the sealing ring (2).

2. The water tank assembly according to claim 1, characterized in that, The pressing assembly (3) includes: A buckle (301) is provided on one of the open box body (101) and the top cover (102); A slot (302) is provided on one of the open box body (101) and the top cover (102), and can be engaged with the buckle (301).

3. The water tank assembly according to claim 1 or 2, characterized in that, The top cover (102) and / or the open box (101) are provided with a limiting groove (1021), the limiting groove (1021) is arranged around the opening of the open box (101), and the sealing ring (2) is provided in the limiting groove (1021).

4. The water tank assembly according to claim 3, characterized in that, The upper cover (102) is provided with the limiting groove (1021), and the open box body (101) is provided with the pressing protrusion (1011). The pressing protrusion (1011) is located at a position corresponding to the limiting groove (1021) and can abut against the sealing ring (2).

5. The water tank assembly according to claim 3, characterized in that, An anti-rotation surface is formed between the sealing ring (2) and the groove wall of the limiting groove (1021).

6. The water tank assembly according to claim 1 or 2, characterized in that, The compression of the sealing ring (2) is Δ, 15% ≤ Δ ≤ 25%.

7. The water tank assembly according to claim 1 or 2, characterized in that, Also includes: The first connecting part is provided on the open box body (101); The second connecting part is provided on the upper cover (102). When the pressing assembly (3) presses the upper cover (102) onto the open box (101), the first connecting part and the second connecting part are aligned and the first connecting part can be fixedly connected to the second connecting part.

8. The water tank assembly according to claim 7, characterized in that, The first connecting part includes a first connecting hole provided on the open box body (101), the second connecting part includes a second connecting hole provided on the upper cover (102), and the water tank assembly also includes a screw that can pass through the second connecting hole and connect with the first connecting hole.

9. The water tank assembly according to claim 1 or 2, characterized in that, The tank body (1) is provided with a water inlet, and the water tank assembly further includes: A water inlet valve is connected to the water inlet. A level switch (4) is installed inside the water tank to detect the water level in the water tank. The level switch (4) is communicatively connected to the water inlet valve.

10. The water tank assembly according to claim 9, characterized in that, Also includes: A float (5) is located inside the body (1) of the tank. The water inlet valve is linked to the float (5). The water inlet valve has an initial state of being kept open and a closed state of being switched to closed after the float (5) floats up.

11. The water tank assembly according to claim 1 or 2, characterized in that, Also includes: An ultraviolet lamp (6) is installed on the main body (1) of the box and is used to irradiate the inside of the main body (1).

12. A water dispenser, characterized in that, include: The water tank assembly according to any one of claims 1 to 11; A water inlet pipe assembly, connected to the water tank assembly, is used to supply water to the water tank assembly; The water outlet pipe assembly is connected to the water tank assembly and is capable of drawing water from the water tank assembly.

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