Cold tank and water dispenser

Abstract

The utility model discloses a cold tank and a water dispenser. A water containing cavity is formed in a tank body of the cold tank. The partition part is arranged in the water containing cavity, the partition part is configured to divide the water containing cavity into a first sub water containing cavity and a second sub water containing cavity, the first sub water containing cavity is located above the second sub water containing cavity, an open hole is formed in the partition part, and the open hole is configured to be communicated with the first sub water containing cavity and the second sub water containing cavity; the floating part is arranged in the open hole, the floating part is configured to move upwards along the open hole under the buoyancy action of water in the second sub water containing cavity to block the open hole, and the floating part is further configured to move downwards to open the open hole when the water level in the second sub water containing cavity is lower than a set value; the refrigerating part is arranged around the second sub water containing cavity and is configured to refrigerate the second sub water containing cavity. The cold tank can improve the sealing performance between the normal-temperature water area and the cold water area, water mixing of the normal-temperature water area and the cold water area is avoided, and the user experience is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of drinking water equipment, in particular to a cold tank and a water dispenser. Background Art

[0002] A water chiller includes a cold tank that stores both room-temperature water and cold water. Inside the tank is a water divider that separates the tank's interior into a room-temperature water zone and a cold water zone. Poor sealing at the water divider can lead to water mixing between the room-temperature and cold water zones, causing the following problems:

[0003] The cold water in the cold water area enters the normal temperature water area, causing the water temperature in the normal temperature water area to be low and users cannot get normal temperature water;

[0004] The cold water in the cold water area enters the normal temperature water area, resulting in a low water temperature in the normal temperature water area. After the water in the normal temperature water area enters the hot tank, the hot tank needs a longer heating time;

[0005] The water in the normal temperature water area enters the cold water area, causing the water temperature in the cold water area to be high, reducing the cooling speed of the cold water area.

[0006] The above information disclosed in this background technology is only used to increase the understanding of the background technology of this application. Therefore, it may contain information that does not constitute the prior art known to ordinary technicians in this field. Summary of the Invention

[0007] In response to the problems pointed out in the background technology, the utility model proposes a cold tank and a water dispenser to improve the sealing between the normal temperature water area and the cold water area, avoid water mixing between the normal temperature water area and the cold water area, and improve the user experience.

[0008] In order to achieve the above-mentioned purpose of the utility model, the utility model adopts the following technical solutions:

[0009] In some embodiments, a cold tank is provided, comprising:

[0010] The tank body has a water-containing cavity formed therein;

[0011] a partition disposed in the water holding chamber, the partition being configured to divide the water holding chamber into a first sub-water holding chamber and a second sub-water holding chamber, the first sub-water holding chamber being located above the second sub-water holding chamber, the partition being provided with an opening, the opening being configured to communicate with the first sub-water holding chamber and the second sub-water holding chamber;

[0012] a floating portion disposed in the opening, the floating portion being configured to move upward along the opening to block the opening under the buoyancy of water in the second sub-water-containing chamber, and further configured to move downward to open the opening when the water level in the second sub-water-containing chamber is lower than a set value;

[0013] The refrigeration component is disposed around the second sub-water containing chamber and is configured to cool the second sub-water containing chamber.

[0014] In some embodiments, the floating portion includes a first floating portion, a second floating portion, and a third floating portion, wherein the second floating portion is connected between the first floating portion and the third floating portion.

[0015] The first section of the floating portion is located in the first sub-water containing cavity, and the first section of the floating portion is configured to abut against the partition portion to limit downward displacement of the floating portion;

[0016] The second section of the floating portion is inserted into the opening, and the second section of the floating portion is configured to fit with the inner wall of the opening to close the opening;

[0017] The three sections of the floating portion are located in the second sub-water containing chamber, and are configured to abut against the partition portion to limit the upward displacement of the floating portion.

[0018] In some embodiments, the second section of the floating portion includes a first straight wall section and a first inclined wall section, wherein the first inclined wall section extends obliquely downward from the lower end of the first straight wall section toward the outer periphery of the first straight wall section, the upper end of the first straight wall section is connected to the first section of the floating portion, and the lower end of the first inclined wall section is connected to the third section of the floating portion;

[0019] The inner wall of the opening includes a second straight wall section and a second inclined wall section, wherein the second inclined wall section extends obliquely downward from the lower end of the second straight wall section toward the outer periphery of the second straight wall section;

[0020] The first straight wall section moves up and down along the opening, and the first inclined wall section abuts against the second inclined wall section to close the opening.

[0021] In some embodiments, a plurality of protrusions are provided on the second straight wall segment, and the plurality of protrusions are arranged at intervals along the circumference of the opening. Any of the protrusions includes a third inclined wall, and the third inclined wall is configured to abut against the first inclined wall segment.

[0022] In some embodiments, the partition is provided with a stopper on a side facing the first sub-water chamber, and the stopper is provided close to the opening;

[0023] The stop portion is configured to abut against a section of the floating portion to limit the downward displacement of the floating portion. When the stop portion abuts against a section of the floating portion, a water flow gap is formed between two adjacent stop portions.

[0024] In some embodiments, a plurality of openings are provided on the partition portion, and the floating portion is provided in any of the openings.

[0025] In some embodiments, the partition includes a partition body and a partition flange, wherein the partition flange extends from an edge of the partition body to one side of the partition body;

[0026] The cold tank further comprises a sealing ring, which is arranged between the flange of the partition portion and the inner wall of the water containing cavity.

[0027] In some embodiments, the cold tank further comprises a vent pipe, the vent pipe being connected to the partition, the vent pipe being located in the first sub-water holding chamber, and the lower end of the vent pipe being in communication with the second sub-water holding chamber;

[0028] A vent hole is provided on the top of the tank body, and the upper end of the vent pipe is close to the vent hole.

[0029] In some embodiments, the cold tank also includes a water outlet pipe, which is connected to the partition, and the water outlet pipe is located in the second sub-water chamber. The upper end of the water outlet pipe is connected to the first sub-water chamber, and the water outlet pipe is configured to draw water in the first sub-water chamber out to the outside of the tank body.

[0030] In some embodiments, a water dispenser is provided, comprising the cold tank as described above.

[0031] Compared with the prior art, the advantages and positive effects of the present invention are:

[0032] In the cold tank disclosed in the present application, the floating part maintains a seal with the inner wall of the opening under the buoyancy of the water in the second sub-water chamber, thereby improving the sealing effect and preventing water mixing between the first sub-water chamber and the second sub-water chamber.

[0033] When the user takes water at room temperature, water flows out of the first sub-water chamber, the water level in the second sub-water chamber remains unchanged, the floating part remains in a floating state, and the opening is sealed to prevent the water in the first sub-water chamber from flowing into the second sub-water chamber through the opening, thereby avoiding water mixing.

[0034] When the user takes cold water, water flows out of the second sub-water chamber, the water level in the second sub-water chamber drops, the floating part drops, the opening opens, and the water in the first sub-water chamber flows into the second sub-water chamber through the opening. The second sub-water chamber is filled with water to ensure water level balance.

[0035] When the user takes hot water, the first sub-water chamber supplies water to the hot water tank. At this time, the water level in the second sub-water chamber remains unchanged, the floating part remains in a floating state, and the opening is sealed to prevent the water in the first sub-water chamber from flowing into the second sub-water chamber through the opening, thereby avoiding water mixing.

[0036] After reading the specific embodiments of the present invention in conjunction with the accompanying drawings, other features and advantages of the present invention will become more clear. BRIEF DESCRIPTION OF THE DRAWINGS

[0037] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following is a brief introduction to the drawings required for use in the 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 labor.

[0038] Figure 1 is a structural diagram of a cold tank according to some embodiments;

[0039] Figure 2 is a cross-sectional view of a cold tank according to some embodiments;

[0040] Figure 3 for Figure 2 Enlarged view of part A in the middle;

[0041] Figure 4 is a structural diagram of a separator according to some embodiments;

[0042] Figure 5 for Figure 4 Enlarged view of middle part B;

[0043] Figure 6 is a structural diagram of a floating portion according to some embodiments;

[0044] Figure 7 is another structural diagram of a floating portion according to some embodiments;

[0045] Reference numerals:

[0046] 100, tank body; 110, water holding chamber; 111, first sub-water holding chamber; 112, second sub-water holding chamber; 120, vent hole;

[0047] 200, partition; 210, partition body; 220, partition flange; 230, opening; 231, second straight wall section; 232, second slanted wall section; 240, stopper; 250, raised portion; 251, third slanted wall;

[0048] 300, floating portion; 310, floating portion first section; 311, transverse portion; 312, vertical portion; 313, flange portion; 314, second hollow cavity; 320, floating portion second section; 321, first straight wall section; 322, first inclined wall section; 323, first hollow cavity; 330, floating portion third section;

[0049] 400, water inlet pipe;

[0050] 510, first water outlet pipe; 520, second water outlet pipe; 530, third water outlet pipe;

[0051] 600, sealing ring;

[0052] 700, refrigeration parts;

[0053] 800. Ventilation pipe. DETAILED DESCRIPTION

[0054] The following will be combined with the drawings in the embodiments of this application to clearly and completely describe the technical solutions in the embodiments of this application. Obviously, the embodiments described are only part of the embodiments of this application, not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of this application.

[0055] In the description of this application, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on this application.

[0056] The terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature specified as "first" or "second" may explicitly or implicitly include one or more of such features. Throughout this application, unless otherwise specified, "plurality" means two or more.

[0057] In the description of this application, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections or electrical connections; direct connections or indirect connections through an intermediate medium; and internal connections between two components. Those skilled in the art will understand the specific meanings of the above terms in this application based on the specific circumstances.

[0058] In the present invention, unless otherwise expressly specified or limited, a first feature being "above" or "below" a second feature may include the first and second features being in direct contact, or may include the first and second features being in contact not directly but through another feature between them. Moreover, a first feature being "above," "above," and "above" a second feature may include the first feature being directly above or obliquely above the second feature, or may simply mean that the first feature is higher in level than the second feature. A first feature being "below," "below," and "below" a second feature may include the first feature being directly below or obliquely below the second feature, or may simply mean that the first feature is lower in level than the second feature.

[0059] The disclosure below provides many different embodiments or examples for realizing different structures of the present invention. In order to simplify the disclosure of the present invention, the components and settings of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention. In addition, the present invention may repeat reference numbers and / or reference letters in different examples. Such repetition is for the purpose of simplicity and clarity and does not in itself indicate the relationship between the various embodiments and / or settings discussed. In addition, the present invention provides examples of various specific processes and materials, but a person of ordinary skill in the art will recognize the application of other processes and / or the use of other materials.

[0060] In some embodiments, a water dispenser is provided, which is configured to provide room temperature water, cold water, and hot water to a user.

[0061] In some embodiments, the water dispenser includes a cold tank configured to store ambient temperature water and cold water.

[0062] In some embodiments, the water dispenser includes a hot tank configured to store hot water.

[0063] In some embodiments, Figure 1 The figure shows a structural diagram of a cold tank. Figure 2 Shown is a cross-sectional view of a cold tank. Figure 3 Shown Figure 2 Enlarged view of part A in the middle.

[0064] The cold tank includes a tank body 100. A water containing cavity 110 is formed in the tank body 100.

[0065] The cold tank includes a partition 200 . The partition 200 is disposed in the water holding chamber 110 . The partition 200 is configured to divide the water holding chamber 110 into a first sub-water holding chamber 111 and a second sub-water holding chamber 112 , wherein the first sub-water holding chamber 111 is located above the second sub-water holding chamber 112 .

[0066] The first sub-water storage chamber 111 is configured to store water at room temperature. The first sub-water storage chamber 111 is a room temperature water area.

[0067] The second sub-water holding chamber 112 is configured to store cold water and is a cold water area.

[0068] The tank body 100 is provided with a water inlet pipe 400, which is arranged at the top of the tank body 100. The water inlet pipe 400 is connected to the first sub-water chamber 111. External normal temperature water flows into the first sub-water chamber 111 through the water inlet pipe 400.

[0069] The tank body 100 is provided with a first water outlet pipe 510. The first water outlet pipe 510 is led out from the side of the tank body 100. The first water outlet pipe 510 is connected to the first sub-water chamber 111. The room temperature water in the first sub-water chamber 111 flows out through the first water outlet pipe 510.

[0070] The tank body 100 is provided with a second water outlet pipe 520. The second water outlet pipe 520 is led out from the side of the tank body 100. The second water outlet pipe 520 is connected to the second sub-water chamber 112. The cold water in the second sub-water chamber 112 flows out through the second water outlet pipe 520.

[0071] The tank body 100 is provided with a third water outlet pipe 530. One end of the third water outlet pipe 530 is connected to the first water sub-chamber 111, and the other end is connected to the hot water tank. The room-temperature water in the first water sub-chamber 111 flows through the third water outlet pipe 530 into the hot water tank. The hot water tank includes a heater, which heats the room-temperature water within the hot water tank, providing hot water to the user.

[0072] Figure 4 FIG2 is a structural diagram of the partition 200 . The partition 200 is provided with an opening 230 , which is configured to connect the first sub-water holding chamber 111 and the second sub-water holding chamber 112 .

[0073] The cold tank includes a float 300 . Figure 6 The figure shows a structural diagram of the floating part 300 viewed from the upper side. Figure 7 The figure shows a structural diagram of the float portion 300 viewed from below. The float portion 300 is disposed within the opening 230. The float portion 300 is configured to move upward along the opening 230 under the buoyancy of the water within the second sub-water chamber 112 to block the opening 230. The float portion 300 is also configured to move downward to open the opening 230 when the water level within the second sub-water chamber 112 falls below a set value.

[0074] When the water level in the second sub-water chamber 112 is lower than the first set value, the float 300 moves downward under its own gravity, the opening 230 opens, and the water in the first sub-water chamber 111 flows into the second sub-water chamber 112 through the opening 230 .

[0075] When the water level in the second sub-water chamber 112 is lower than the first set value, water is added to the cold tank, and external normal temperature water flows into the first sub-water chamber 111 through the water inlet pipe 400. The water in the first sub-water chamber 111 flows into the second sub-water chamber 112 through the opening 230, and the water level in the second sub-water chamber 112 rises. When the water level in the second sub-water chamber 112 rises to the second set value, the second set value is greater than the first set value. Under the buoyancy of the water in the second sub-water chamber 112, the float 300 moves upward along the opening 230 to block the opening 230. At this time, the first sub-water chamber 111 stops supplying water to the second sub-water chamber 112, and the second sub-water chamber 112 is filled with water. The water inlet pipe 400 continues to inject water into the first sub-water chamber 111 . When the water level in the first sub-water chamber 111 rises to the third set value, the first sub-water chamber 111 is filled with water, and the water inlet pipe 400 stops supplying water to the first sub-water chamber 111 .

[0076] The floating portion 300 maintains a seal with the inner wall of the opening 230 under the buoyancy of the water in the second sub-water chamber 112 , thereby improving the sealing effect and preventing water from mixing between the first sub-water chamber 111 and the second sub-water chamber 112 .

[0077] When the first sub-water chamber 111 provides room-temperature water to the user, the water level in the second sub-water chamber 112 remains unchanged, the floating portion 300 remains in a floating state, and the opening 230 is sealed to prevent the water in the first sub-water chamber 111 from flowing into the second sub-water chamber 112 through the opening 230, thereby preventing water from mixing.

[0078] When the second sub-water chamber 112 provides cold water to the user, the water level in the second sub-water chamber 112 drops, the float 300 descends, the opening 230 opens, and the water in the first sub-water chamber 111 flows into the second sub-water chamber 112 through the opening 230. The second sub-water chamber 112 is filled with water, ensuring a balanced water level.

[0079] When the hot water tank provides hot water to the user, the water level in the hot water tank drops, and the room temperature water in the first sub-water chamber 111 flows into the hot water tank through the third water outlet pipe 530. At this time, the water level in the second sub-water chamber 112 remains unchanged, the floating part 300 remains in the floating state, and the opening 230 is sealed to prevent the water in the first sub-water chamber 111 from flowing into the second sub-water chamber 112 through the opening 230, thereby preventing water mixing.

[0080] In some embodiments, the cold tank includes a refrigerant element 700 . The refrigerant element 700 is disposed around the second sub-water chamber 112 . The refrigerant element 700 is configured to cool the second sub-water chamber 112 .

[0081] For example, the refrigeration component 700 is an evaporator, and the heat exchange coil of the evaporator is arranged around the outer peripheral wall of the second sub-water chamber 112 and is closely attached to it to fully absorb the heat of the water in the second sub-water chamber 112, so that the water temperature in the second sub-water chamber 112 drops to form cold water.

[0082] In some embodiments, reference Figure 6 and Figure 7 The floating portion 300 includes a first floating portion section 310 , a second floating portion section 320 and a third floating portion section 330 , and the second floating portion section 320 is connected between the first floating portion section 310 and the third floating portion section 330 .

[0083] The first section 310 of the floating portion is located in the first sub-water chamber 111. The first section 310 of the floating portion is configured to abut against the upper side of the partition 200 to limit the downward displacement of the floating portion 300, thereby preventing the floating portion 300 from moving downward and escaping from the opening 230. At the same time, the opening 230 remains open when the floating portion 300 moves downward, allowing water in the first sub-water chamber 111 to flow into the second sub-water chamber 112 through the opening 230.

[0084] The second floating portion 320 is inserted into the opening 230 and is configured to fit against the inner wall of the opening 230 to seal the opening 230. The second floating portion 320 moves upward or downward along the opening 230, and the outer wall of the second floating portion 320 fits snugly against the inner wall of the opening 230, thereby sealing the opening 230.

[0085] The third section 330 of the floating portion is located in the second sub-water chamber 112 and is configured to abut against the lower side of the partition 200 to limit the upward displacement of the floating portion 300 and ensure that the floating portion 300 cannot move upward to escape from the opening 230 .

[0086] In some embodiments, reference Figure 3 and Figure 6 The second floating section 320 includes a first straight wall section 321 and a first sloping wall section 322. The first sloping wall section 322 extends obliquely downward from the lower end of the first straight wall section 321 toward the outer periphery of the first straight wall section 321. The first straight wall section 321 is cylindrical, while the first sloping wall section 322 is conical. The upper end of the first straight wall section 321 is connected to the first floating section 310, while the lower end of the first sloping wall section 322 is connected to the third floating section 330.

[0087] Reference Figure 3 and Figure 5 The inner wall of the opening 230 includes a second straight wall section 231 and a second inclined wall section 232. The second inclined wall section 232 extends obliquely downward from the lower end of the second straight wall section 231 toward the outer periphery of the second straight wall section 231. The second straight wall section 231 forms a hollow cylindrical structure, and the second inclined wall section 232 forms a hollow conical structure.

[0088] The first straight wall section 321 moves up and down along the opening 230 , playing a role of movement guidance.

[0089] The first slanted wall section 322 and the second slanted wall section 232 abut against each other to close the opening 230. The cooperation between the first slanted wall section 322 and the second slanted wall section 232 increases the contact area between the floating portion 300 and the inner wall of the opening 230, thereby improving the sealing effect.

[0090] In some embodiments, reference Figure 3 and Figure 7 A first hollow cavity 323 is provided in the second section 320 of the floating part and the third section 330 of the floating part to reduce the weight of the floating part 300 and facilitate the floating movement of the floating part 300.

[0091] In some embodiments, reference Figure 3 The second floating section 320 and the third floating section 330 are an integral structure, and are formed as one piece. The first hollow cavity 323 passes through the second floating section 320 and the third floating section 330 .

[0092] The first floating part 310 includes a transverse part 311 and a vertical part 312 . The vertical part 312 is arranged below the transverse part 311 and inserted into the first hollow cavity 323 to achieve a fixed connection between the first floating part 310 and the second floating part 320 .

[0093] A second hollow cavity 314 is provided in the vertical portion 312 . The top of the second hollow cavity 314 is closed, which further reduces the weight of the floating portion 300 and facilitates the upward movement of the floating portion 300 .

[0094] In some embodiments, reference Figure 3 and Figure 5 The second straight wall section 231 is provided with a plurality of protrusions 250 , which are spaced apart along the circumference of the opening 230 . Each protrusion 250 includes a third slanted wall 251 , which is configured to abut against the first slanted wall section 322 .

[0095] When the floating portion 300 floats upward, the first slanted wall section 322 is in contact with the second slanted wall section 232 , and at the same time, the first slanted wall section 322 is also in contact with the third slanted wall 251 .

[0096] When the floating portion 300 descends, the first slanted wall section 322 separates from the second slanted wall section 232 and the third slanted wall 251, and the water in the first sub-water chamber 111 flows downward through the opening 230. When the water flows through the opening 230, the gap between the two adjacent protrusions 250 acts as a water divider, so that the water flow evenly impacts the first slanted wall section 322, making the descending movement of the floating portion 300 more stable and reliable.

[0097] In some embodiments, the sealing between the floating portion 300 and the opening 230 is achieved by the close contact between the first slanted wall section 322 and the second slanted wall section 232 .

[0098] In some embodiments, sealing silicone is provided on the first slanted wall section 322 and / or the second slanted wall section 232 to help improve the sealing effect between the floating portion 300 and the opening 230 .

[0099] In some embodiments, reference Figure 3 and Figure 5 The partition 200 is provided with a stopper 240 on the side facing the first sub-water chamber 111. The stopper 240 is a protruding structure facing the first sub-water chamber 111. The stopper 240 is provided near the opening 230. There are multiple stoppers 240, and the multiple stoppers 240 are arranged at intervals along the circumference of the opening 230. For example, there are two stoppers 240, and the two stoppers 240 are arranged opposite each other.

[0100] The stopper 240 is configured to abut against the first section 310 of the floating portion to limit the downward displacement of the floating portion 300. When the floating portion 300 moves downward, the stopper 240 abuts against the first section 310 of the floating portion, forming a water flow gap between two adjacent stopper portions 240. Water in the first sub-water chamber 111 flows through this water flow gap into the opening 230.

[0101] In some embodiments, the first section of the floating portion 310 further includes a flange 313 extending downward from the circumferential edge of the transverse portion 311. When the floating portion 300 moves downward, the flange 313 abuts against the stopper 240 to maintain a water flow gap between the first section of the floating portion 310 and the partition 200.

[0102] In some embodiments, reference Figure 4 The partition 200 is provided with a plurality of openings 230, which are arranged at intervals along the circumference of the partition 200. For example, the partition 200 is provided with three openings 230. A floating portion 300 is provided in any opening 230.

[0103] The provision of the plurality of openings 230 allows water to flow from the first sub-water chamber 111 to the second sub-water chamber 112 more evenly.

[0104] In some embodiments, reference Figure 4 The partition 200 includes a partition body 210 and a partition flange 220, and the partition flange 220 extends from the edge of the partition body 210 to one side of the partition body 210. For example, the partition flange 220 extends from the edge of the partition body 210 to the upper side of the partition body 210.

[0105] Reference Figure 3The cold tank also includes a sealing ring 600, which is provided between the flange 220 of the partition and the inner wall of the water chamber 110 to improve the sealing and separation effect between the first sub-water chamber 111 and the second sub-water chamber 112 to avoid water mixing.

[0106] In some embodiments, reference Figure 2 and Figure 4 The cold tank further includes a vent pipe 800, which is connected to the partition 200. For example, the vent pipe 800 and the partition 200 are an integral structure, and the vent pipe 800 is provided on the partition body 210.

[0107] The vent pipe 800 is located in the first sub-water holding chamber 111 . The vent pipe 800 extends along the height direction of the first sub-water holding chamber 111 . The lower end of the vent pipe 800 is communicated with the second sub-water holding chamber 112 .

[0108] A vent hole 120 is provided on the top of the tank body 100 , and the upper end of the vent pipe 800 is close to the vent hole 120 . The upper end of the vent pipe 800 is located higher than the upper limit threshold of the water level in the first sub-water chamber 111 .

[0109] The provision of the vent pipe 800 allows the second sub-water chamber 112 to communicate with the atmosphere, thereby ensuring smooth discharge of water in the second sub-water chamber 112 .

[0110] In some embodiments, a plurality of vent pipes 800 are provided, for example, two vent pipes 800 are provided, so that the drainage of the second sub-water chamber 112 is smoother.

[0111] In some embodiments, the distance between the upper end of the vent tube 800 and the upper cover of the tank body 100 is small, for example, 1-2 mm, to prevent the partition 200 from floating up due to buoyancy, which helps to improve the stability of the partition 200 in the water chamber 110.

[0112] In some embodiments, reference Figure 2 The third water outlet pipe 530 is connected to the partition 200 and is located in the second sub-water chamber 112. The third water outlet pipe 530 extends along the height direction of the second sub-water chamber 112. The upper end of the third water outlet pipe 530 is connected to the first sub-water chamber 111.

[0113] The third water outlet pipe 530 is configured to lead the water in the first sub-water chamber 111 out of the tank body 100. For example, one end of the third water outlet pipe 530 is connected to the hot tank through a pipeline to provide room temperature water to the hot tank.

[0114] In the description of the above embodiments, specific features, structures, materials or characteristics may be combined in an appropriate manner in any one or more embodiments or examples.

[0115] The above are only specific embodiments of the present invention, but the scope of protection of the present invention is not limited to them. Any changes or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in this utility model should be included in the scope of protection of the present utility model. Therefore, the scope of protection of the present utility model should be based on the scope of protection of the claims.

Claims

1. A cold tank, characterized in that: include: The tank body has a water-containing cavity formed therein; a partition disposed in the water holding chamber, the partition being configured to divide the water holding chamber into a first sub-water holding chamber and a second sub-water holding chamber, the first sub-water holding chamber being located above the second sub-water holding chamber, the partition being provided with an opening, the opening being configured to communicate with the first sub-water holding chamber and the second sub-water holding chamber; a floating portion disposed in the opening, the floating portion being configured to move upward along the opening to block the opening under the buoyancy of water in the second sub-water-containing chamber, and further configured to move downward to open the opening when the water level in the second sub-water-containing chamber is lower than a set value; The refrigeration component is disposed around the second sub-water containing chamber and is configured to cool the second sub-water containing chamber.

2. The cold tank according to claim 1, characterized in that The floating portion includes a first floating portion, a second floating portion, and a third floating portion, wherein the second floating portion is connected between the first floating portion and the third floating portion; The first section of the floating portion is located in the first sub-water containing cavity, and the first section of the floating portion is configured to abut against the partition portion to limit downward displacement of the floating portion; The second section of the floating portion is inserted into the opening, and the second section of the floating portion is configured to fit with the inner wall of the opening to close the opening; The three sections of the floating portion are located in the second sub-water containing chamber, and are configured to abut against the partition portion to limit the upward displacement of the floating portion.

3. The cold tank according to claim 2, characterized in that The second section of the floating portion includes a first straight wall section and a first inclined wall section, wherein the first inclined wall section extends obliquely downward from the lower end of the first straight wall section toward the outer periphery of the first straight wall section, the upper end of the first straight wall section is connected to the first section of the floating portion, and the lower end of the first inclined wall section is connected to the third section of the floating portion; The inner wall of the opening includes a second straight wall section and a second inclined wall section, wherein the second inclined wall section extends obliquely downward from the lower end of the second straight wall section toward the outer periphery of the second straight wall section; The first straight wall section moves up and down along the opening, and the first inclined wall section abuts against the second inclined wall section to close the opening.

4. The cold tank according to claim 3, characterized in that A plurality of protrusions are provided on the second straight wall segment, and the plurality of protrusions are spaced apart along the circumference of the opening. Any of the protrusions includes a third inclined wall, and the third inclined wall is configured to abut against the first inclined wall segment.

5. The cold tank according to claim 2, characterized in that The partition is provided with a stopper on a side facing the first sub-water chamber, and the stopper is provided close to the opening; The stop portion is configured to abut against a section of the floating portion to limit the downward displacement of the floating portion. When the stop portion abuts against a section of the floating portion, a water flow gap is formed between two adjacent stop portions.

6. The cold tank according to any one of claims 1 to 5, characterized in that The partition portion is provided with a plurality of openings, and the floating portion is provided in any of the openings.

7. The cold tank according to any one of claims 1 to 5, characterized in that The partition includes a partition body and a partition flange, wherein the partition flange extends from an edge of the partition body to one side of the partition body; The cold tank further comprises a sealing ring, which is arranged between the flange of the partition portion and the inner wall of the water containing cavity.

8. The cold tank according to any one of claims 1 to 5, characterized in that The cold tank further includes a vent pipe connected to the partition, the vent pipe is located in the first sub-water holding chamber, and the lower end of the vent pipe is in communication with the second sub-water holding chamber; A vent hole is provided on the top of the tank body, and the upper end of the vent pipe is close to the vent hole.

9. The cold tank according to any one of claims 1 to 5, characterized in that The cold tank also includes a water outlet pipe, which is connected to the partition. The water outlet pipe is located in the second sub-water holding chamber. The upper end of the water outlet pipe is connected to the first sub-water holding chamber. The water outlet pipe is configured to lead the water in the first sub-water holding chamber out to the outside of the tank body.

10. A water dispenser, characterized in that: Comprising the cold tank according to any one of claims 1 to 9.

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