Cold and hot water dispenser capable of draining water by one key

By designing a pump assembly between the water storage tank and the cold water tank, the outlet pump enables one-button drainage in both inlet and outlet states, solving the problem of the cold water chamber being unable to drain in existing technologies, reducing costs and improving the hygiene and safety of the equipment.

CN223913969UActive Publication Date: 2026-02-17NINGBO CIXI ELECTRICAL APPLIANCE
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Patent Information

Application Number
CN202520278923.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Priority Date
2024-05-31
Filing Date
2025-02-20
Publication Date
2026-02-17
Estimated Expiration
2035-02-20

AI Technical Summary

Technical Problem

Existing water purifiers cannot effectively drain stagnant water from the cold water chamber, and the additional drain pump increases costs and space requirements.

Method used

By installing a pump assembly between the water storage tank and the cold water tank, the outlet pump provides negative pressure water supply in the water inlet state and pumps out stagnant water in the drain state. Combined with the outlet head and drain pipe, one-button drainage is achieved, eliminating the need to install an additional drain pump.

Benefits of technology

It enables rapid and effective drainage of the cold water chamber, reduces the need for additional pumps, lowers costs and avoids space occupation, while also preventing damage to the equipment and bacterial contamination from stagnant water.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223913969U_ABST
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Abstract

The cold and hot water dispenser comprises a main body, a water storage tank, a cold water tank and a water outlet head, the water storage tank and the cold water tank are arranged in the main body, the water outlet head is located on the main body, the water storage tank and the cold water tank are communicated with the water outlet head through a pump assembly, and the water storage tank is connected with a water source and supplies water to the cold water tank; the pump assembly comprises a water outlet pump and a water inlet pump, the water storage tank is connected with a water source through the water inlet pump, and the water outlet pump is arranged between the cold water outlet end of the cold water tank and the water outlet head. The pump assembly starts the water outlet pump and the water inlet pump in the water inlet state, and the water outlet pump provides negative pressure for the cold water tank, so that water enters the cold water tank through the water storage tank and outputs water flow towards the water outlet head; the pump assembly closes the water inlet pump in the drainage state, the water outlet pump is started and pumps aged water in the water storage tank and the cold water tank, and the water outlet head receives and discharges the aged water.
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Description

TECHNICAL FIELD

[0001] The utility model relates to drinking water equipment technical field, concretely relates to a cold and hot water dispenser of one button drainage. BACKGROUND

[0002] At present, in the household appliances, the direct drinking machine is more and more widely used, it usually has the functions of cold water, normal temperature water and hot water, for this, need to set up cold water cavity, normal temperature cavity and heating assembly inside, the direct drinking machine can accumulate some water scale, impurity and microorganism in the use process, if not draining for a long time, these impurities and microorganism can breed, thereby affecting the water quality of water, even can cause bacterial contamination, potential threat to health, for this, need to increase the drainage function to the direct drinking machine, however, one kind of direct drinking machine in prior art, by additionally setting up a drainage pump inside, the drainage pump is connected with normal temperature cavity, thereby regularly draining normal temperature cavity, but the direct drinking machine cannot drain the stale water in the cold water cavity, and the additional drainage pump leads to cost increase and space occupation. SUMMARY

[0003] In view of the deficiencies in the prior art, the utility model aims at providing a cold and hot water dispenser of one button drainage.

[0004] The above technical purpose of the utility model is realized by the following technical scheme: a cold and hot water dispenser of one button drainage, comprising:

[0005] A main body, a water storage tank and a cold water tank arranged in the main body, and a water outlet arranged on the main body, the water storage tank and the cold water tank are connected with the water outlet through a pump assembly, the water storage tank is connected with a water source and supplies water to the cold water tank;

[0006] The pump assembly comprises a water outlet pump and a water inlet pump, the water storage tank is connected with the water source through the water inlet pump, and the water outlet pump is arranged between the cold water outlet end of the cold water tank and the water outlet;

[0007] The pump assembly comprises a water inlet state and a drainage state:

[0008] The pump assembly starts the water outlet pump and the water inlet pump in the water inlet state, and the water outlet pump provides negative pressure for the cold water tank, so that the cold water tank is filled with water through the water storage tank and outputs water flow towards the water outlet;

[0009] The pump assembly closes the water inlet pump in the drainage state, the water outlet pump is started and sucks the stale water in the water storage tank and the cold water tank, and the water outlet receives and discharges the stale water.

[0010] Further, the cold water tank is arranged directly below the water storage tank, and an exhaust passage and a water inlet passage are connected between the water storage tank and the cold water tank, the water pump inlet of the water outlet pump is connected to the bottom of the cold water tank, and the water pump outlet of the water outlet pump is connected to the water outlet.

[0011] Further, the water outlet seat is connected with a drain pipe, the end of the drain pipe is lower than the bottom of the cold water tank, and the drain pipe is connected to the bottom of the water outlet seat.

[0012] Further, the water outlet seat is connected with a drain pipe, the end of the drain pipe is lower than the bottom of the cold water tank, and the drain pipe is connected to the bottom of the water outlet seat.

[0013] Further, the end of the drain pipe is provided with a drain connector, the drain connector is pullably arranged in the main body, and the end of the drain connector is provided with a sealing cover.

[0014] Further, the drain connector is externally provided with a water receiving box, the water receiving box is assembled on the main body and covers the drain connector, and the water receiving box is detached from the main body and exposes the drain connector.

[0015] Further, the water outlet head is provided below the drain area, the bottom of the drain area is provided with a guide seat, the drain connector is arranged in the guide seat, the water receiving box is detachably arranged on the guide seat, and the sealing cover is arranged at the open end of the guide seat.

[0016] Further, the drain connector is externally provided with a water receiving box, the water receiving box is assembled on the main body and covers the drain connector, and the water receiving box is detached from the main body and exposes the drain connector.

[0017] Further, the main body is further provided with a support, and the water storage tank, the cold water tank and the water outlet pump are arranged on the support from top to bottom.

[0018] Further, the main body is further provided with a support, and the water storage tank, the cold water tank and the water outlet pump are arranged on the support from top to bottom.

[0019] Further, the water outlet head is provided below the drain area, the bottom of the drain area is provided with a guide seat, the drain connector is arranged in the guide seat, the water receiving box is detachably arranged on the guide seat, and the sealing cover is arranged at the open end of the guide seat.

[0020] Compared with the prior art, the utility model has the advantages and beneficial effects that:

[0021] The utility model discloses a water storage tank and cold water cavity are directly connected, when needing to discharge, the water inlet pump works and supplies water for the water storage tank, and the water body of water storage tank can enter the cold water tank, and the water pump works and sucks the water body in the cold water tank to the water outlet head and discharges, and when needing to drain after using water, then through the control part on the main part effect, thereby closing the water inlet pump, and the water pump continues to work and drains the stale water in the water storage tank and the cold water tank from the water outlet head, and the discharged stale water is collected in the water receiving box, thereby realizing effective and fast drainage, and the pump body for drainage does not need to be additionally arranged in the water flow path. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is the whole structure schematic diagram of the utility model;

[0023] Figure 2 It is the arrangement schematic diagram of water storage tank and cold water tank, pump assembly of the utility model;

[0024] Figure 3 It is the internal arrangement schematic diagram of the utility model;

[0025] Figure 4 It is the cooperation schematic diagram of water storage tank, cold water tank, pump assembly and water receiving box of the utility model;

[0026] Figure 5 It is the sectional view of water outlet seat of the utility model;

[0027] Figure 6 It is the sectional view of guide seat of the utility model;

[0028] Figure 7 It is the structure schematic diagram of water receiving box and main body separation of the utility model;

[0029] Figure 8 It is the structure schematic diagram of water receiving box, sealing cover and main body separation of the utility model (drainage connector is not extracted);

[0030] Figure 9 It is the structure schematic diagram of water receiving box, sealing cover and main body separation of the utility model (drainage connector is extracted);

[0031] In the drawing:

[0032] 1, main body, 1.1, drainage area, 1.2, control panel, 1.3, control module;

[0033] 2, water storage tank, 2.1, air inlet channel, 2.2, air outlet channel;

[0034] 3, cold water tank, 3.1, cold water outlet end, 3.2, refrigeration module;

[0035] 4. Water outlet; 5. Inlet pump; 6. Outlet pump; 6.1. Pump outlet; 6.2. Pump inlet;

[0036] 7. Water outlet base; 7.1. Drain pipe; 7.2. Drain connector; 7.3. Limiting part;

[0037] 8. Sealing cap; 9. Water receiving box; 9.1. Guide groove;

[0038] 10. Guide seat; 10.1. Limiting and fitting part; 10.2. Guide channel;

[0039] 11. Heating component; 12. Magnet; 13. Support; Detailed Implementation

[0040] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0041] It should be understood that although the terms upper, middle, lower, top, one end, etc., appear in this document to describe various elements, these elements are not limited by these terms. These terms are only used to distinguish the elements from each other for ease of understanding, and are not used to define any directional or sequential restrictions.

[0042] like Figures 1-9 As shown, a one-button hot and cold water dispenser includes:

[0043] The main body 1 includes a water storage tank 2 and a cold water tank 3 located within the main body 1, and a water outlet 4 located on the main body 1. The water storage tank 2 and the cold water tank 3 are connected to the water outlet 4 through a pump assembly. The water storage tank 2 is connected to a water source and supplies water to the cold water tank 3. The cold water tank 3 is connected to a refrigeration module 3.2.

[0044] The pump assembly includes an outlet pump 6 and an inlet pump 5. The water storage tank 2 is connected to the water source through the inlet pump 5. The outlet pump 6 is located between the cold water outlet 3.1 of the cold water tank 3 and the outlet head 4.

[0045] The pump assembly includes inlet and outlet states:

[0046] When the pump assembly is in the water inlet state, the outlet pump 6 and the inlet pump 5 are started, and the outlet pump 6 provides negative pressure to the cold water tank 3 so that the cold water tank 3 can be filled with water through the water storage tank 2 and output water flow towards the outlet head 4. In the water inlet state, cold water or room temperature water can be output according to the user's selection.

[0047] The pump assembly is closed in the drainage state, the water outlet pump 6 is started and provides negative pressure, thereby sucking the stale water in the water storage tank 2 and the cold water tank 3, and delivering the stale water to the water outlet head 4 through the water outlet pump 6, which receives and discharges the stale water.

[0048] The refrigeration assembly is a conventional design feature in the art and will not be described in detail here.

[0049] As shown in Figures 2 to 4 the front part of the main body 1 is a control panel 1.2, which is provided with control parts for controlling the water outlet temperature and discharging the stale water in the water storage tank 2 and the cold water tank 3, and is connected to a control module 1.3, which is connected to the pump assembly and can receive information and signals from the control panel 1.2 to control the opening and closing of the pump assembly.

[0050] Optionally, the control panel 1.2 can be in the form of a button on the surface of the main body 1 or in the form of a touch control on the inner side of the main body 1.

[0051] As shown in Figure 2 and Figure 3 As for the space arrangement in the main body 1, the main body 1 is further provided with a support 13, the water storage tank 2, the cold water tank 3 and the water outlet pump 6 are arranged on the support 13 from top to bottom, the cold water tank 3 is arranged directly below the water storage tank 2, and the water storage tank 2 and the cold water tank 3 are connected by an exhaust passage and a water inlet passage, the water pump inlet 6.2 of the water outlet pump 6 is connected to the bottom of the cold water tank 3, and the water pump outlet 6.1 of the water outlet pump 6 is connected to the water outlet head 4.

[0052] The top of the support 13 is provided with an L-shaped step portion for fixing the water storage tank 2, the water storage tank 2 extends out of the step portion and is connected to the cold water tank 3, and the support 13 is provided with a vertical extension portion below the step portion, the cold water tank 3 abuts against the vertical face of the extension portion, and a pump seat for fixing the water outlet pump 6 is further arranged at the bottom of the extension portion.

[0053] In the embodiment, the main body 1 is further provided with a heating assembly 11, which is vertically arranged on one side of the support 13 and receives water flow from the water storage tank 2, and the pump assembly includes a hot water pump for supplying water to the heating assembly 11, which is connected to the heating assembly 11 and the water storage tank 2.

[0054] Through the above-mentioned arrangement and modification of the space in the main body 1, the space in the main body 1 is effectively utilized under the premise of having the cold water, normal temperature water and hot water functions.

[0055] As shown in Figure 4 and Figure 5As shown, as a further improvement to the water tank 3 and the water tank 2 drainage, the water outlet pump 6 is connected with the water outlet seat 7, the water outlet seat 7 is connected with the water pump inlet 6.2 of the water outlet pump 6, and the bottom of the water outlet seat 7 is also provided with a drain pipe 7.1, which is used to guide the old water output when the water outlet pump 6 is closed, wherein the drain pipe 7.1 is used for manual drainage when the drainage function of the water outlet pump 6 fails.

[0056] Wherein, the end of the drain pipe 7.1 is lower than the bottom of the cold water tank 3, the drain pipe 7.1 is connected at the bottom of the water outlet seat 7, so as to utilize the U-shaped tube principle, when the end of the drain pipe 7.1 is opened, the old water in the cold water tank 3 can be discharged from the drain pipe 7.1.

[0057] As a further explanation of manual water outlet, the end of the drain pipe 7.1 is provided with a drain connector 7.2, the drain pipe 7.1 and the drain connector 7.2 are connected by a hose, the drain connector 7.2 is pullably arranged in the main body 1, the end of the drain connector 7.2 is provided with a sealing cover 8, in normal state, the drain connector 7.2 is sealed and stored in the main body 1 by the sealing cover 8, when the function of manual drainage is needed, the drain connector 7.2 is pulled out of the main body 1, and the sealing cover 8 is removed at the same time, so as to guide the old water in the water tank 2 and the cold water tank 3 to be discharged.

[0058] Specifically, the drain connector 7.2 is externally provided with a water receiving box 9, which can be detachably arranged on the main body 1, the water receiving box 9 is assembled on the main body 1 and covers the drain connector 7.2, and the water receiving box 9 also receives the discharged old water from the water outlet head 4 when it is assembled, the water receiving box 9 exposes the drain connector 7.2 when it is detached from the main body 1, at this time, the manual drainage operation can be performed through the drain connector 7.2, and the drain connector 7.2 is pulled out of the main body 1, at the same time, the detached water receiving box 9 can also receive the discharged old water of the drain connector 7.2, which is convenient for operation.

[0059] In the above embodiment, the water outlet head 4 is provided below the drain area 1.1, which is preferably concave in the main body 1, the bottom of the drain area 1.1 is provided with a guide seat 10, which is in the form of a boss, the drain connector 7.2 is arranged in the guide seat 10 and can be moved in the guide seat 10 by pulling, the water receiving box 9 is detachably arranged on the guide seat 10, and the sealing cover 8 is arranged at the open end of the guide seat 10.

[0060] Through the above improvement, the drain connector 7.2 is hidden in the guide seat 10 and sealed by the sealing cover 8, and the water receiving box 9 is covered, so as to avoid affecting the appearance of the main body 1, combined with the automatic drainage water outlet pump 6, so as to reduce the damage of the old water to the internal parts of the equipment, such as blocking the pipeline and corroding the metal parts, avoid bacterial pollution, and potential threat to health.

[0061] Referring toFigure 6 As shown, when the manual draining operation is performed, the sealing cover 8 is taken away from the draining joint 7.2, so as to pull out the draining joint 7.2 from the guide seat 10.

[0062] As preferred, the guide seat 10 is open at the end, and the sealing cover 8 closes the opening, and the sealing cover 8 is further provided with a sealing plug, which is in sealing and close engagement with the draining joint 7.2.

[0063] Specifically, the water receiving box 9 is provided with a guide groove corresponding to the profile of the guide seat 10 at the bottom, so as to improve the close engagement of the water receiving box 9 with the main body 1.

[0064] Specifically, the draining joint 7.2 is provided with a limiting portion 7.3, and the guide seat 10 is provided with a limiting matching portion 10.1, and the limiting portion 7.3 and the limiting matching portion 10.1 constitute the pulling stroke of the draining joint 7.2, so as to avoid the draining joint 7.2 being pulled excessively.

[0065] Further, the limiting matching portion 10.1 defines a guide channel 10.2 of the draining joint 7.2, which is matched with the outer diameter of the draining joint 7.2.

[0066] Specifically, the water outlet head 4 is further provided with the water receiving box 9 below, which is detachably arranged on the main body 1.

[0067] From Figure 5 It can be seen that, as optional, the water receiving box 9 is internally provided with a magnet 12, and the magnet 12 in the main body 1 is preferably arranged in the draining area 1.1, so as to realize the quick disassembly and assembly of the water receiving box 9, and of course, the water receiving box 9 can also be selected to be assembled and disassembled in other buckling or direct plug-in manner.

[0068] The specific embodiment is only an explanation of the present application, and is not a limitation of the present application, and the person skilled in the art can make non-creative contribution modification according to the needs after reading the specification, but as long as it is within the scope of the claims of the present application, it is protected by the patent law.

Claims

1. A one-touch drainage cold and hot water dispenser, characterized in that, The utility model relates to a water purifier, which comprises a main body (1), a storage tank (2) and a cold water tank (3) arranged in the main body (1), and a water outlet head (4) arranged on the main body (1), wherein the storage tank (2) and the cold water tank (3) are connected to the water outlet head (4) through a pump assembly, the storage tank (2) is connected to a water source and supplies water to the cold water tank (3). The pump assembly comprises a water outlet pump (6) and a water inlet pump (5), the storage tank (2) is connected to the water source through the water inlet pump (5), and the water outlet pump (6) is arranged between a cold water outlet end (3.1) of the cold water tank (3) and the water outlet head (4). The pump assembly comprises a water inlet state and a water discharge state. In the water inlet state, the water outlet pump (6) and the water inlet pump (5) are started, and the water outlet pump (6) provides negative pressure for the cold water tank (3) to make the cold water tank (3) take in water from the storage tank (2) and output water flow towards the water outlet head (4). In the water discharge state, the water inlet pump (5) is closed, the water outlet pump (6) is started and sucks old water in the storage tank (2) and the cold water tank (3), and the water outlet head (4) receives and discharges the old water. The cold water tank (3) is arranged directly below the storage tank (2), and an exhaust passage and a water inlet passage are connected between the storage tank (2) and the cold water tank (3), the water pump inlet (6.2) of the water outlet pump (6) is connected to the bottom of the cold water tank (3), and the water pump outlet (6.1) of the water outlet pump (6) is connected to the water outlet head (4).

2. The one-touch draining water dispenser of claim 1, wherein: The water outlet pump (6) is connected to a water outlet seat (7), the water outlet seat (7) is connected to the water pump inlet (6.2) of the water outlet pump (6), and a drain pipe (7.1) is further arranged at the bottom of the water outlet seat (7), which is used to guide the output of old water when the water outlet pump (6) is closed.

3. The one-touch draining water dispenser of claim 1, wherein: The water outlet seat (7) is connected to a drain pipe (7.1), the end of the drain pipe (7.1) is lower than the bottom of the cold water tank (3), and the drain pipe (7.1) is connected to the bottom of the water outlet seat (7).

4. The one-touch draining water dispenser of claim 3, wherein: The end of the drain pipe (7.1) is provided with a drain connector (7.2), the drain connector (7.2) is arranged in the main body (1) in a pullable manner, and the end of the drain connector (7.2) is provided with a sealing cover (8).

5. The one-touch draining water dispenser of claim 4, wherein: The drain connector (7.2) is externally provided with a water receiving box (9), the water receiving box (9) is assembled on the main body (1) and covers the drain connector (7.2), and the water receiving box (9) is detached from the main body (1) and exposes the drain connector (7.2).

6. The one-touch draining water dispenser of claim 5, wherein: A drain area (1.1) is arranged below the water outlet head (4), the bottom of the drain area (1.1) is provided with a guide seat (10), the drain connector (7.2) is arranged in the guide seat (10), the water receiving box (9) is detachably arranged on the guide seat (10), and the sealing cover (8) is arranged at the open end of the guide seat (10).

7. The one-touch draining water dispenser of claim 6, wherein: ​ 8. The one-touch draining water dispenser of claim 7, wherein: The limiting portion (7.3) is arranged on the drain joint (7.2), the limiting matching portion (10.1) is arranged in the guide seat (10), and the limiting portion (7.3) and the limiting matching portion (10.1) constitute the pulling stroke of the drain joint (7.2), and the limiting matching portion (10.1) defines the guide channel (10.2) of the drain joint (7.2).

9. The one-touch draining water dispenser of claim 1, wherein: The main body (1) is provided with a control panel (1.2), and a control module (1.3) receiving information of the control panel (1.2), and the control module (1.3) is connected with the pump assembly.

10. The one-touch draining water dispenser according to any one of claims 1 to 9, characterized in that: The water receiving box (9) is arranged below the water outlet head (4) and is detachably arranged on the main body (1).