Water circulation milk mixing device

Abstract

The utility model discloses a water circulation milk mixing device. The water circulation milk mixing device comprises an outer shell and a milk shaking assembly. The upper surface of the outer shell sinks to form a water storage tank with an upward opening and is used for storing water and regulating temperature; the milk shaking assembly is used for shaking up milk in the milk bottle; the milk shaking assembly comprises a cradle, and a feeding bottle clamp is arranged at the upper end of the cradle and used for clamping a feeding bottle. The milk shaking assembly further comprises a driving module arranged below the water storage tank, and the output end of the driving module is in transmission connection with the cradle so as to drive the cradle to be in the water storage tank and drive the feeding bottle to rotate around the axis of the feeding bottle. The water circulation assembly is arranged in the outer shell; the water circulation assembly comprises a water outlet channel and a water return channel, water in the water tank conveys cold / hot water into the water storage tank through the water outlet channel, and water in the water storage tank flows back into the water tank through the water return channel to be recycled. The water tank is communicated with the water storage tank through the water circulation assembly, cold / hot water can be conveyed to the water storage tank, and the water temperature in the water storage tank can be flexibly adjusted.

Description

Technical Field

[0001] This utility model belongs to the field of formula warmer technology, specifically relating to a water-circulating formula warmer. Background Technology

[0002] In the field of infant feeding, bottle shakers, as specialized small household appliances that use mechanical vibration or rotation to evenly mix milk powder and water, have gradually become a standard tool in modern family childcare. They are mainly used to solve problems commonly found in traditional manual bottle shaking, such as milk powder clumping, insufficient dissolution, and excessive air bubbles, thereby reducing the risk of choking and bloating in infants due to swallowing particles or inhaling excessive air. For example, Chinese patent CN214856038U discloses a size-adaptive bottle shaker. This shaker includes a base and a cup holder, with the cup holder rotatably installed inside the base. The base contains a motor for driving the cup holder to rotate back and forth, and the motor is coaxially mounted below the cup holder. The cup holder is open at the top and has an elastic element at the top for securing the bottle.

[0003] However, while the aforementioned existing technologies achieve compatibility optimization for different bottle sizes, the single shaking function is no longer sufficient to meet the complex needs of practical applications as users' demands for more refined feeding scenarios increase. For example, at night or in emergencies, users often need to quickly prepare formula and immediately adjust the milk temperature to a suitable range for consumption. Existing bottle shakers lack a temperature control module, requiring additional steps such as using a bottle warmer or rinsing with cold water, resulting in cumbersome procedures and insufficient temperature control accuracy. Furthermore, traditional water bath bottle warmers, which use static water heating, are prone to microbial growth, further increasing hygiene risks. Summary of the Invention

[0004] To address the problems in related technologies, this utility model proposes a water-circulating formula warmer to overcome the aforementioned technical issues in existing technologies. This utility model connects a water tank and a water storage trough via a water circulation component, allowing for the supply of cold / hot water to the storage trough and flexible adjustment of the water temperature. Simultaneously, the water in the storage trough flows back to the water tank through a return channel for reuse, reducing the inconvenience of frequent water changes and improving the product's practicality and environmental friendliness.

[0005] The technical solution of this utility model is implemented as follows: a water circulation formula warmer includes an outer shell and a milk shaking component. The milk shaking component is disposed on the outer shell. The upper surface of the outer shell is recessed to form an upward-facing water storage tank. The water storage tank is used for water storage and temperature regulation.

[0006] The milk-shaking assembly is used to shake the milk in the bottle; the milk-shaking assembly includes a cradle disposed in a water tank, and a bottle clamp is provided at the upper end of the cradle for holding the bottle; the milk-shaking assembly also includes a drive module disposed below the water tank, and the output end of the drive module is connected to the cradle for transmission, so as to drive the cradle in the water tank and drive the bottle to rotate around its axis.

[0007] It also includes a water tank and a water circulation assembly, the water circulation assembly being housed within the outer casing; the water circulation assembly includes an outlet channel and a return channel, the water storage tank being connected to the water tank via the outlet channel and the return channel respectively; the water in the water tank is supplied with cold / hot water to the water storage tank via the outlet channel, and the water in the water storage tank is returned to the water tank via the return channel for recycling.

[0008] Furthermore, the water outlet channel is equipped with a water pump and a heating element, and the water return channel is equipped with a water return pump;

[0009] The water tank is connected to the water pump, heating element and water storage tank in sequence through pipes. The water storage tank is connected to the return water pump and water tank in sequence through different pipes to form a circulating water circuit.

[0010] Furthermore, it also includes a water temperature sensor, which is embedded in the bottom of the water storage tank; the water temperature sensor includes a detection end with a waterproof sleeve, which protrudes from the bottom surface of the water storage tank;

[0011] It should be noted that, in this utility model, the water temperature sensor is an NTC water temperature sensor;

[0012] Furthermore, the side wall of the water storage tank is also equipped with a water level sensor, which is a capacitive sensor with its detection electrodes arranged in a comb-like pattern; the water level sensor is used to monitor the water level in the water storage tank.

[0013] Furthermore, it also includes a temperature control module, which is electrically connected to a water temperature sensor, a heating element, a water pump, and a return water pump, and is configured to dynamically adjust the heating power of the heating element and the water circulation flow rate of the circulating water circuit according to a preset temperature value.

[0014] Furthermore, the upper surface of the outer casing is also provided with an operation screen, which is electrically connected to the control circuit board; the control circuit board is also electrically connected to the temperature control module, the drive motor, and the water level sensor respectively.

[0015] Furthermore, the bottom of the water tank is provided with a first outlet and a first inlet; the bottom of the water storage tank is provided with a second outlet and a second inlet; the first outlet is connected to the inlet of the water pump through a pipe, the outlet of the water pump is connected to the heating element through a pipe, and the hot water outlet of the heating element is connected to the second inlet through a pipe; the second outlet is connected to the inlet of the return water pump through a pipe, and the outlet of the return water pump is connected to the first inlet through a pipe.

[0016] A first check valve is provided on the pipe between the heating element and the second water inlet, and a second check valve is provided on the pipe between the second water outlet and the return water pump.

[0017] Furthermore, the water flow direction of the first check valve is from the self-heating element to the second inlet, and the water flow direction of the second check valve is from the second outlet to the return pump.

[0018] It should be noted that the second water inlet can also be located on the upper part of the side wall of the water storage tank, and the second water outlet can be located on the lower part of the side wall of the water storage tank.

[0019] The bottle clamp includes a top cover and an elastic clamping member. The top cover is annular and detachably installed at the upper opening of the water tank. The elastic clamping member is built into the upper end of the cradle. Both the top cover and the elastic clamping member are used to assist in fixing the bottle.

[0020] Furthermore, the top cover is made of silicone material.

[0021] Furthermore, the elastic clamping member includes a ring frame and elastic clamping pieces, and a plurality of elastic clamping pieces are evenly distributed in a ring along the inner circumferential side of the ring frame; the outer side wall of the ring frame abuts against the inner side wall of the cradle; the plurality of elastic clamping pieces extend obliquely downward from the top of the ring frame inward to form clamping openings, the diameter of which is smaller than the diameter of the cradle.

[0022] This invention achieves clamping and fixing by abutting the elastic clip against the body of the baby bottle;

[0023] Furthermore, the ring frame and multiple elastic clips are an integral structure.

[0024] Furthermore, the side of the elastic clip that contacts the bottle body is the contact surface, and the contact surface is provided with an arc-shaped guide section that protrudes towards the clamping opening; when the bottle is inserted, the bottle body slides down along the arc-shaped guide section, driving the elastic clip to elastically deform towards the ring frame, forming an adaptive clamping force.

[0025] Furthermore, the water tank is detachably connected to the upper surface of the outer shell, and a water filling hole is provided on the top of the water tank, which is closed by a cover.

[0026] Furthermore, the drive module is a drive motor, used to drive the cradle to rotate within the water storage tank;

[0027] Furthermore, the bottom of the cradle is provided with a connecting shaft, which extends toward the drive motor; the shaft of the drive motor passes vertically through the bottom of the water storage tank via a waterproof bearing and is connected to the connecting shaft for transmission; the outer periphery of the waterproof bearing is provided with an annular sealing sleeve.

[0028] The beneficial effects of this utility model are:

[0029] (1) First, by setting up a water tank and a water storage tank connected by a water circulation component, cold / hot water can be supplied to the water storage tank, realizing flexible adjustment of the water temperature in the water storage tank to meet the temperature requirements of milk at different stages. At the same time, the water in the water storage tank flows back to the water tank through the return water channel for recycling, avoiding waste of water resources, reducing the inconvenience caused by frequent water changes, and improving the practicality and environmental friendliness of the product;

[0030] (2) Secondly, the milk shaking assembly includes a cradle with a bottle clamp at the top. The bottle clamp securely fixes the bottle to the top of the cradle. The cradle can be rotatably set in the water storage tank. With the help of the drive module, the cradle can be driven to rotate in the water storage tank, which can make the milk in the bottle fully shaken.

[0031] (3) Secondly, the water circulation component is placed inside the outer shell, making reasonable use of the internal space of the outer shell and making the overall structure of the product compact.

[0032] (4) Finally, in the entire process of preparing milk, the water circulation milk maker of this utility model can realize operations such as warming milk and shaking milk without too many complicated steps, making it convenient for users to operate, especially suitable for users who have high requirements for ease of operation. Attached Figure Description

[0033] Figure 1 This is a schematic diagram of the structure of a water-circulating formula warmer according to the present invention;

[0034] Figure 2 This is a top view of a water-circulating formula warmer according to the present invention;

[0035] Figure 3 for Figure 2 Sectional view along axis AA;

[0036] Figure 4 for Figure 2 BB-direction sectional view;

[0037] Figure 5 This is a schematic diagram showing the separation of the milk shaking component, water tank, and water circulation milk warmer of this utility model;

[0038] Figure 6 This is a schematic diagram of the water-circulating formula warmer of this utility model, omitting the shaking component and water tank;

[0039] Figure 7 This is a schematic diagram of the water-circulating formula warmer of this utility model, omitting the upper shell;

[0040] Figure 8 This is a schematic diagram showing the connection structure of the various components inside the outer shell of this utility model;

[0041] Figure 9 This is a schematic diagram of the structure of the upper shell, the milk shaking assembly, and the water temperature sensor of this utility model.

[0042] Figure 10 This is a cross-sectional view of the combination of the upper shell, the milk shaking assembly, and the water temperature sensor of this utility model.

[0043] Figure 11 This is a schematic diagram of the structure of the present invention, showing the separation of the upper shell and the milk shaking assembly;

[0044] Figure 12 This is a schematic diagram of the structure of the elastic clamping component of this utility model.

[0045] Marker explanation:

[0046] 1. Outer shell; 11. Water tank; 2. Shaking assembly; 21. Cradle; 211. Connecting shaft; 3. Water tank; 31. First water outlet; 32. First water inlet; 33. Cover; 4. Water outlet channel; 41. Water pump; 42. First check valve; 43. Heating element; 5. Return water channel; 51. Return water pump; 52. Second check valve; 6. Drive motor; 61. Rotating shaft; 7. Water temperature sensor; 71. Detection end; 8. Top cover; 9. Elastic clamping element; 91. Elastic clamping piece; 911. Contact surface; 9111. Arc-shaped guide section; 92. Ring frame; 10. Operation panel. Detailed Implementation

[0047] 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 a part of the embodiments of the present utility model, and not all of them. 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.

[0048] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0049] Example 1

[0050] like Figure 1-11 As shown, this embodiment provides a water-circulating formula warmer, including an outer shell 1 and a milk-shaking assembly 2. The milk-shaking assembly 2 is disposed on the outer shell 1. The upper surface of the outer shell 1 is recessed to form an upward-facing water storage tank 11. The water storage tank 11 is used for water storage and temperature regulation.

[0051] The milk shaking assembly 2 is used to shake the milk in the bottle; the milk shaking assembly 2 includes a cradle 21 disposed in the water storage tank 11, and a bottle clamp is provided at the upper end of the cradle 21 for holding the bottle; the milk shaking assembly 2 also includes a drive module disposed below the water storage tank 11, and the output end of the drive module is connected to the cradle 21 for driving the cradle 21 in the water storage tank 11 to drive the bottle to rotate around its axis.

[0052] It also includes a water tank 3 and a water circulation assembly, which is located inside the outer shell 1. The water circulation assembly includes an outlet channel 4 and a return channel 5. The water storage tank 11 is connected to the water tank 3 through the outlet channel 4 and the return channel 5, respectively. The water in the water tank 3 is supplied with cold / hot water to the water storage tank 11 through the outlet channel 4, and the water in the water storage tank 11 is returned to the water tank 3 through the return channel 5 for recycling.

[0053] Firstly, this embodiment connects the water tank 3 and the water storage tank 11 via a water circulation assembly (outlet channel 4 and return channel 5), allowing for the supply of cold / hot water to the water storage tank 11. This enables flexible adjustment of the water temperature within the water storage tank 11, meeting the temperature requirements of formula at different stages and ensuring a suitable temperature for infants, thus guaranteeing their safety and comfort. Simultaneously, the water in the water storage tank 11 flows back to the water tank 3 through the return channel 5 for reuse, avoiding water waste, reducing operating costs, minimizing the inconvenience of frequent water changes, and improving the product's practicality and environmental friendliness.

[0054] Secondly, the milk shaking assembly 2 includes a cradle 21, the upper end of which is provided with a bottle clamp. The bottle clamp securely fixes the bottle to the upper end of the cradle 21. The cradle 21 is rotatably set in the water storage tank 11. With the help of the drive module, the cradle 21 is driven to rotate in the water storage tank 11, which can make the milk in the bottle fully shaken, avoid problems such as milk sedimentation and clumping, ensure uniform milk quality, and facilitate infant digestion and absorption.

[0055] Secondly, by placing the water circulation component inside the outer casing 1, the internal space of the outer casing 1 is made reasonable use, resulting in a compact overall product structure.

[0056] Furthermore, throughout the entire formula preparation process, the water circulation formula preparer in this embodiment only requires controlling the water tank 3 to supply water at the appropriate temperature to the water storage tank 11 and starting the drive module to perform the milk shaking operation. It does not require too many complicated steps, lowers the threshold for use, and makes it convenient for users to operate. It is especially suitable for users who have high requirements for ease of operation.

[0057] Specifically, the water outlet channel 4 is equipped with a water pump 41 and a heating element 43, and the water return channel 5 is equipped with a water return pump 51.

[0058] The water tank 3 is connected to the water pump 41, the heating element 43 and the water storage tank 11 in sequence through pipes. The water storage tank 11 is connected to the return water pump 51 and the water tank 3 in sequence through different pipes to form a circulating water circuit.

[0059] In this embodiment, a heating element 43 is designed to heat the water output from the water tank 3, thereby realizing the delivery of hot water into the water storage tank 11.

[0060] Moreover, the continuous flow of water from the outlet channel 4 to the water storage tank 11 helps reduce the growth of microorganisms.

[0061] Specifically, it also includes a water temperature sensor 7, which is embedded in the bottom of the water storage tank 11; the water temperature sensor 7 includes a detection end 71 with a waterproof sheath, the detection end 71 protruding from the bottom surface of the water storage tank 11, and is used to detect the temperature of the water in the water storage tank 11.

[0062] It should be noted that, in this embodiment, the water temperature sensor 7 is an NTC water temperature sensor.

[0063] The upper surface of the outer casing 1 is also provided with an operation screen 10, which is electrically connected to the control circuit board; the control circuit board is also electrically connected to the temperature control module and the drive module respectively.

[0064] The control circuit board is connected to a power supply; the power supply is a battery; or, the power supply is an external power source connected to an external power source via a power cord.

[0065] It should be noted that when the user selects the milk warming function on the operation screen 10, the drive module, water temperature sensor 7, heating element 43 and water pump 41 are turned on. The water temperature sensor 7 monitors the temperature of the water in the water storage tank 11 in real time. The water pump 41 pumps cold water to the heating element 43 for heating. The resulting hot water is then transported back to the water storage tank 11. The drive module drives the cradle 21 to rotate in the water storage tank 11.

[0066] After the formula warmer completes the milk warming function, the drive module, water temperature sensor 7, heating element 43 and water pump 41 stop working, and the return water pump 51 starts working, pumping the hot water in the water storage tank 11 into the water tank 3.

[0067] Similarly, when the user selects the cold milk function on the operation screen 10, the drive module, water temperature sensor 7, and water pump 41 start working. The water temperature sensor 7 monitors the water temperature in real time, and the water pump 41 pumps cold water to the heating element 43 and then delivers it to the water storage tank 11. The drive module drives the cradle 21 to rotate in the water storage tank 11. After the formula maker completes the cold milk function, the return water pump 51 starts working and pumps the cold water in the water storage tank 11 into the water tank 3.

[0068] Users can also enable the milk shaker's function separately as needed.

[0069] It should be further explained that the heating element 43 can also be configured with a gradient temperature control mode. When the user selects the milk warming function on the operation screen 10, the gradient temperature control mode is automatically activated: the first stage heats to 50±2℃ at maximum power, the second stage maintains a constant temperature of 40±1℃, and the third stage cools down to 38±0.5℃ for standby.

[0070] Specifically, it also includes a temperature control module, which is electrically connected to the water temperature sensor 7, the heating element 43, the water pump 41, and the return water pump 51, and is configured to dynamically adjust the heating power of the heating element 43 and the water circulation flow rate of the circulating water circuit according to the preset temperature value.

[0071] Specifically, the bottom of the water tank 3 is provided with a first outlet 31 and a first inlet 32; the bottom of the water storage tank 11 is provided with a second outlet and a second inlet; the first outlet 31 is connected to the inlet of the water pump 41 through a pipe, the outlet of the water pump 41 is connected to the heating element 43 through a pipe, and the hot water outlet of the heating element 43 is connected to the second inlet through a pipe; the second outlet is connected to the inlet of the return water pump 51 through a pipe, and the outlet of the return water pump 51 is connected to the first inlet 32 ​​through a pipe.

[0072] A first check valve 42 is provided on the pipe between the heating element 43 and the second water inlet, and a second check valve 52 is provided on the pipe between the second water outlet and the return water pump 51.

[0073] More specifically, the water flow direction of the first one-way valve 42 is from the self-heating element 43 to the second inlet, and the water flow direction of the second one-way valve 52 is from the second outlet to the return water pump 51.

[0074] It should be noted that the second water inlet can also be located on the upper part of the side wall of the water storage tank 11, and the second water outlet can be located on the lower part of the side wall of the water storage tank 11.

[0075] Specifically, the bottle clamp includes a top cover 8 and an elastic clamping member 9. The top cover 8 is annular and detachably installed at the upper opening of the water tank 11, and the elastic clamping member 9 is built into the upper end of the cradle 21. Both the top cover 8 and the elastic clamping member 9 are used to assist in fixing the bottle.

[0076] More specifically, the top cover 8 is made of silicone material, which has good flexibility, allowing the top cover 8 to adapt to various sizes of baby bottles through its own deformation, and fit tightly to the bottle body, thereby helping to prevent foreign objects from entering the water tank 11.

[0077] like Figure 12 As shown, the elastic clamping member 9 includes a ring frame 92 and elastic clamping pieces 91. A plurality of elastic clamping pieces 91 are evenly distributed in a ring along the inner circumferential side of the ring frame 92. The outer side wall of the ring frame 92 abuts against the inner side wall of the cradle 21. A plurality of elastic clamping pieces 91 extend obliquely downward from the top of the ring frame 92 inward to form a clamping opening. The diameter of the clamping opening is smaller than the diameter of the cradle 21.

[0078] In this embodiment, the elastic clip 91 abuts against the bottle body to achieve clamping and fixation;

[0079] Specifically, the ring frame 92 and the multiple elastic clips 91 are an integral structure.

[0080] Specifically, the side of the elastic clip 91 that contacts the bottle body is the contact surface 911, and the contact surface 911 is provided with an arc-shaped guide section 9111 that protrudes toward the clamping opening; when the bottle is inserted, the bottle body slides down along the arc-shaped guide section 9111, driving the elastic clip 91 to elastically deform toward the ring frame 92, forming an adaptive clamping force.

[0081] The arc-shaped guide section 9111 achieves gradual clamping during the insertion of the baby bottle, avoiding rigid collisions.

[0082] Specifically, the water tank 3 is detachably connected to the upper surface of the outer shell 1, and the top of the water tank 3 is provided with a water filling hole, which is closed by a cover 33.

[0083] The detachable design of the water tank 3 facilitates user cleaning, prevents microbial growth, and facilitates subsequent maintenance and replacement. The design of the water inlet and cover 33 not only ensures convenient water filling for users but also prevents foreign objects from entering the water tank 3, further preventing microbial growth and ensuring hygiene and safety.

[0084] Specifically, the drive module is a drive motor 6, which is used to drive the cradle 21 to rotate in the water storage tank 11;

[0085] More specifically, the bottom of the cradle 21 is provided with a connecting shaft 211, which extends toward the drive motor 6; the rotating shaft 61 of the drive motor 6 passes vertically through the bottom of the water storage tank 11 through a waterproof bearing and is connected to the connecting shaft 211 for transmission; the outer periphery of the waterproof bearing is provided with an annular sealing sleeve to further increase the sealing performance.

[0086] The drive motor 6 is located below the water storage tank 11, and the rotating shaft 61 vertically passes through the bottom of the water storage tank 11 and is connected to the bottom of the cradle 21. This layout makes the power transmission direct and efficient, reduces the space occupied by the transmission components, and further optimizes the product structure.

[0087] Specifically, the outer shell 1 includes an upper shell and a lower shell, which are separate from each other, and the upper shell and the lower shell cover each other to form a closed inner cavity; or,

[0088] The upper and lower shells are an integral structure.

[0089] Example 2

[0090] This embodiment also provides a water-circulating formula warmer. Features not explained in this embodiment can be explained using the methods described in Embodiment 1, and will not be repeated here. The difference between this embodiment and Embodiment 1 is as follows:

[0091] The side wall of the water storage tank 11 is also equipped with a water level sensor. The water level sensor is a capacitive sensor with its detection electrodes arranged in a comb-like pattern. The water level sensor is used to monitor the water level in the water storage tank 11, so that the water circulation formula maker can ensure the flow of water in the water storage tank 11 while preventing the actual water level from being too low or too high, thereby improving the accuracy of water level regulation.

[0092] Specifically, the control circuit board is also electrically connected to the water level sensor;

[0093] It should be noted that when the user selects the milk warming function on the operation screen 10, the drive motor 6, water temperature sensor 7, heating element 43, and water pump 41 are turned on. The water temperature sensor 7 monitors the temperature of the water in the water storage tank 11 in real time. The water pump 41 pumps cold water to the heating element 43 for heating, and the resulting hot water is then transported back to the water storage tank 11. The drive motor 6 drives the cradle 21 to rotate in the water storage tank 11. When the water level sensor detects that the water has reached the preset water level line, the heating element 43 and water pump 41 are turned off, and the supply of hot water to the water storage tank 11 stops.

[0094] After the formula warmer completes its warming function, the drive motor 6, water temperature sensor 7, heating element 43, and water pump 41 stop working, and the return water pump 51 starts working, pumping the hot water in the water storage tank 11 into the water tank 3.

[0095] Based on the disclosure and teachings of the above specification, those skilled in the art can make changes and modifications to the above embodiments. Therefore, this utility model is not limited to the specific embodiments disclosed and described above, and some modifications and changes to this utility model should also fall within the protection scope of the claims of this utility model. Furthermore, although some specific terms are used in this specification, these terms are only for convenience of explanation and do not constitute any limitation on this utility model.

Claims

1. A water-circulating formula warmer, comprising a housing and a milk-shaking assembly, wherein the milk-shaking assembly is disposed on the housing, characterized in that: The upper surface of the outer shell is recessed to form an upward-facing water storage tank, which is used for storing water and regulating temperature. The milk shaking assembly is used to shake the milk in the bottle. The milk shaking assembly includes a cradle disposed in the water storage tank, and a bottle clamp is provided at the upper end of the cradle for holding the bottle. The milk shaking assembly also includes a drive module disposed below the water storage tank. The output end of the drive module is connected to the cradle for transmission, so as to drive the cradle in the water storage tank and drive the bottle to rotate around its axis. It also includes a water tank and a water circulation assembly, the water circulation assembly being housed within the outer casing; the water circulation assembly includes an outlet channel and a return channel, the water storage tank being connected to the water tank via the outlet channel and the return channel respectively; the water in the water tank is supplied with cold / hot water to the water storage tank via the outlet channel, and the water in the water storage tank is returned to the water tank via the return channel for recycling.

2. The water-circulating formula warmer according to claim 1, characterized in that, The water outlet channel is equipped with a water pump and a heating element, and the water return channel is equipped with a water return pump; The water tank is connected to the water pump, heating element and water storage tank in sequence through pipes. The water storage tank is connected to the return water pump and water tank in sequence through different pipes to form a circulating water circuit.

3. The water-circulating formula warmer according to claim 2, characterized in that, It also includes a water temperature sensor, which is embedded in the bottom of the water storage tank; the water temperature sensor includes a detection end with a waterproof sleeve, which protrudes from the bottom surface of the water storage tank.

4. The water-circulating formula warmer according to claim 3, characterized in that, It also includes a temperature control module, which is electrically connected to the water temperature sensor, the heating element, the water pump, and the return water pump.

5. The water-circulating formula warmer according to claim 2, characterized in that, The bottom of the water tank is provided with a first outlet and a first inlet; the bottom of the water storage tank is provided with a second outlet and a second inlet; the first outlet is connected to the inlet of the water pump through a pipe, the outlet of the water pump is connected to the heating element through a pipe, and the hot water outlet of the heating element is connected to the second inlet through a pipe; the second outlet is connected to the inlet of the return water pump through a pipe, and the outlet of the return water pump is connected to the first inlet through a pipe. A first check valve is provided on the pipe between the heating element and the second water inlet, and a second check valve is provided on the pipe between the second water outlet and the return water pump.

6. The water-circulating formula warmer according to claim 1, characterized in that, The bottle clamp includes a top cover and an elastic clamping member. The top cover is annular and detachably installed at the upper opening of the water tank, and the elastic clamping member is built into the upper end of the cradle.

7. The water-circulating formula warmer according to claim 6, characterized in that, The elastic clamping element includes a ring frame and elastic clamping pieces. A plurality of elastic clamping pieces are evenly distributed in a ring along the inner circumferential side of the ring frame. The outer side wall of the ring frame abuts against the inner side wall of the cradle. A plurality of elastic clamping pieces extend obliquely downward from the top of the ring frame inward to form a clamping opening. The diameter of the clamping opening is smaller than the diameter of the cradle.

8. The water-circulating formula warmer according to claim 7, characterized in that, The side of the elastic clip that contacts the bottle body is the contact surface, and the contact surface is provided with an arc-shaped guide section that protrudes towards the clamp opening; when the bottle is inserted, the bottle body slides down along the arc-shaped guide section, driving the elastic clip to elastically deform towards the ring frame.

9. The water-circulating formula warmer according to claim 1, characterized in that, The water tank is detachably connected to the upper surface of the outer shell, and a water filling hole is provided on the top of the water tank, which is closed by a cover.

10. The water-circulating formula warmer according to claim 1, characterized in that, The drive module is a drive motor used to drive the cradle to rotate in the water storage tank; the bottom of the cradle is provided with a connecting shaft, which extends toward the drive motor; the rotating shaft of the drive motor passes vertically through the bottom of the water storage tank through a waterproof bearing and is connected to the connecting shaft for transmission; the outer periphery of the waterproof bearing is provided with an annular sealing sleeve.

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