Exhaust structure suitable for upper water inlet milk mixer and milk mixer

Abstract

The exhaust structure comprises a cavity and a cover body, an opening is formed in the upper portion of the cavity, the cover body is matched with the opening of the cavity, the interior of the cover body is of a hollow structure, and an upper water inlet assembly and a heater are arranged on the outer side of the cavity; a water pumping pipe is arranged at one end of the upper water inlet assembly, a water outlet is formed in the other end of the upper water inlet assembly, the water outlet is located on the outer side of the cavity, the water pumping pipe is located in the cavity, and the upper water inlet assembly is communicated with the water pumping pipe through the interior of the cover body; an exhaust pipe is arranged in the cover body and longitudinally penetrates through the cover body, one end of the exhaust pipe is communicated with the interior of the cavity, the other end of the exhaust pipe is communicated with the exterior, and the exhaust pipe is in sealed connection with the interior of the cover body; the heater heats water in the cavity, the upper water inlet assembly pumps out the water in the cavity through the water pumping pipe, the water flows out of the water outlet after passing through the upper water inlet assembly, and gas in the cavity is exhausted to the outside through the exhaust pipe.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of the upper water inlet milk regulator, and particularly relates to an exhaust structure suitable for an upper water inlet milk regulator and a milk regulator. BACKGROUND

[0002] With the increasing emphasis on infant care in modern families, how to quickly and accurately brew milk powder for infants has become the focus of parents. The traditional water boiling and temperature control method is not only cumbersome, but also difficult to ensure the constancy and suitability of water temperature, which brings certain inconvenience to infant feeding. Therefore, there is an urgent need in the market for a device that can automatically adjust and maintain water temperature, that is, a milk regulator, to maintain it within the suitable range for brewing milk powder. The milk regulator gradually develops from the initial simple temperature control device to the modern baby care device integrating constant temperature, heating, boiling, chlorine removal, disinfection and other functions. Among them, the upper water inlet milk regulator, as an innovative type of milk regulator, gradually occupies a place in the market with its unique design concept and advantages.

[0003] The main feature of the upper water inlet milk regulator is the upper water inlet design, which makes it more convenient to add water, and also helps to reduce the accumulation of scale and improve the cleanliness and service life of the device. In addition, the upper water inlet milk regulator is usually equipped with an accurate temperature control system and multiple safety protection measures to ensure the constancy of water temperature and the safety of use. However, during use, due to heating, boiling and other operations, certain gases and pressures may be generated inside the milk regulator. If these gases and pressures cannot be discharged in time, they may affect the performance and safety of the milk regulator.

[0004] The existing upper water inlet milk regulator has good sealing performance inside the cavity after heating to ensure the stability of water temperature, which causes water vapor to be unable to be discharged, resulting in safety hazards. If the water vapor is not retained, it will affect the stability of water temperature, and there will also be a problem of sealing performance during the discharge of water vapor, which causes water or water vapor to enter the upper water inlet assembly, resulting in problems of water temperature stability, exhaust safety and sealing performance. SUMMARY

[0005] In view of the problems in the related art, the utility model provides an exhaust structure suitable for an upper water inlet milk regulator and a milk regulator. A drain pipe is arranged on the cavity and cover body provided with an upper water inlet assembly. During the process of taking water through the upper water inlet assembly, the accumulation of water vapor inside the cavity is prevented, which prevents the cavity pressure from being too large, ensures the stability of water temperature, and ensures the safety of the device.

[0006] The utility model is implemented as follows:

[0007] The application discloses an exhaust structure suitable for an upper water feeding milk frother, which comprises a cavity provided with an opening at the top and a cover body matched with the opening of the cavity, the inside of the cover body is a hollow structure, and the outside of the cavity is provided with an upper water feeding assembly and a heater.

[0008] One end of the upper water feeding assembly is provided with a water pumping pipe, and the other end is provided with a water outlet, the water outlet is located outside the cavity, the water pumping pipe is located inside the cavity, and the upper water feeding assembly is connected with the water pumping pipe through the inside of the cover body;

[0009] The cover body is internally provided with an exhaust pipe, the exhaust pipe longitudinally penetrates the cover body, one end of the exhaust pipe is connected with the inside of the cavity, and the other end is connected with the outside, and the exhaust pipe is sealingly connected with the inside of the cover body;

[0010] The heater heats the water in the cavity, the water in the cavity is pumped out through the water pumping pipe and then flows out from the water outlet after the upper water feeding assembly, and the gas in the cavity is discharged to the outside through the exhaust pipe.

[0011] Preferably, the cover body comprises an upper cover and a lower cover, the lower cover is located at the side close to the inside of the cavity, a connecting disc is arranged between the upper cover and the lower cover, the upper cover and the lower cover are connected into an integrated whole through the connecting disc, the exhaust pipe penetrates the connecting disc and is integrally formed with the connecting disc or is separately arranged.

[0012] Specifically, the area of the upper cover is larger than that of the lower cover, the upper cover and the lower cover are connected through the connecting disc, the outer edge of the lower cover is further sleeved with a connecting ring, and the connecting ring is sealingly connected with the opening end of the cavity. The exhaust pipe penetrates the connecting disc, and the two ends of the exhaust pipe are connected with the upper cover and the lower cover respectively; when the exhaust pipe and the connecting disc are separately arranged, the exhaust pipe and the connecting disc are sealingly connected.

[0013] Preferably, the exhaust pipe comprises an exhaust cavity and an exhaust channel, the exhaust cavity is a hollow structure and is connected with the lower cover, the lower cover is provided with an exhaust screen at the position corresponding to the exhaust cavity, the size of the exhaust screen is matched with that of the exhaust cavity, and the gas in the cavity enters the exhaust cavity through the exhaust screen.

[0014] Specifically, the exhaust screen is mainly used for limiting the flow of the gas, after the water in the cavity is heated by the heater, the water vapor in the cavity rises, penetrates the exhaust screen and is discharged through the exhaust pipe.

[0015] Preferably, one end of the exhaust channel extends to the surface of the upper cover and is connected with the outside, and the other end of the exhaust channel is connected with the exhaust cavity.

[0016] Specifically, the cross-sectional area of the exhaust channel is smaller than that of the exhaust cavity, that is, the gas flow of the exhaust channel is smaller than that of the exhaust cavity. The water vapor enters the exhaust cavity and is slowly discharged through the exhaust channel, so that the stability of the water temperature in the cavity can be ensured.

[0017] Preferably, the exhaust cavity is provided with a sealing element at the end connected to the lower cover, the sealing element is a hollow annular structure, the inner side of the sealing element near the lower cover is recessed to form an annular abutment, the sealing element is sleeved on the outside of the exhaust cavity, and the side of the exhaust cavity facing the lower cover abuts on the annular abutment, so that the annular abutment is pressed on the peripheral side of the exhaust mesh.

[0018] Specifically, the sealing element is mainly used to ensure the sealing connection between the exhaust pipe and the inside of the cover body, and is arranged at the end near the lower cover and sleeved on the outside of the exhaust cavity. By using the pressure of the exhaust pipe abutting on the annular abutment, the other side of the annular abutment is pressed tightly on the peripheral side of the exhaust mesh, so that a better sealing effect is formed.

[0019] Preferably, the side of the annular abutment facing the lower cover is provided with a plurality of annular sealing strips, and the side of the sealing element sleeved on the outside of the exhaust cavity is provided with a plurality of annular sealing strips; the sealing element is used to seal the connection between the exhaust pipe and the inside of the cover body.

[0020] Specifically, the part of the sealing element sleeved on the outside of the exhaust cavity is provided with an annular sealing strip on the side facing the side wall of the exhaust cavity; the annular sealing strips are arranged on the outside wall of the exhaust cavity and the side of the annular abutment connected to the lower cover, so as to prevent water vapor from entering the inside of the cover body and affecting the upper water inlet assembly.

[0021] Preferably, the connecting disc divides the cover body into an upper cavity and a lower cavity, the space formed by the connecting disc and the upper cover is the upper cavity, and the space formed by the connecting disc and the lower cover is the lower cavity; the side wall of the upper cover is provided with a drain port, the drain port is in communication with the upper cavity, and the drain port is located at a position corresponding to the exhaust pipe.

[0022] Specifically, the connecting disc forms two spaces, i.e., the upper cavity and the lower cavity, by being connected to the upper cover and the lower cover respectively; the side wall of the upper cover is provided with a drain port. Since the water pipe is located in the upper cavity after the water in the cavity is pumped out, if the sealing between the exhaust pipe and the inside of the cover body is damaged, water in the upper cavity can also be drained through the drain port.

[0023] Preferably, the middle part of the lower cover is provided with a water pumping port, the water pipe passes through the water pumping port and the connecting disc and extends into the upper cavity, the middle part of the side of the connecting disc facing the upper cover is provided with a water pumping cavity, one end of the water pumping cavity is in sealing connection with the water pipe, and the other end is connected with a water delivery pipe, the water delivery pipe is in communication with the upper water inlet assembly outside the cavity through the inside of the upper cavity and the connecting disc.

[0024] Specifically, the water pipe and the water pumping port are in sealing connection, the water pumping port and the water pumping cavity are also in sealing connection, and the connection between the water pipe, the water pumping port, the water pumping cavity and the water delivery pipe is also in sealing connection.

[0025] Preferably, the upper water inlet assembly comprises a first water pump, a second water pump, a water supply tank, a waste water tank and a pipeline; the water supply tank is connected with the first water pump, the second water pump and the water outlet respectively through the pipeline; the second water pump is connected with the waste water tank through the pipeline; the first water pump is connected with the water supply pipe in communication through the pipeline; a connecting valve is arranged between the water supply pipe and the pipeline to make the water supply pipe and the pipeline communicate with each other.

[0026] The water in the cavity is pumped out by the first water pump, enters the first water pump from the water pumping pipe, the water pumping cavity, the water supply pipe and the pipeline in sequence, and then enters the water supply tank, and the water in the water supply tank flows out from the water outlet through the pipeline and flows to the waste water tank through the second water pump.

[0027] Specifically, the first water pump is mainly used for pumping out the water in the cavity and making the water flow out from the water outlet through the water supply tank, that is, the first water pump is mainly used for normal water outlet, and the second water pump is mainly used for introducing the residual water in the pipeline into the waste water tank to ensure that there is no residual water in the pipeline at the rear of the upper water inlet assembly, and the water is divided by the water supply tank to solve the problem of residual water in the pipeline at the rear of the upper water inlet assembly.

[0028] A milk frother applies the exhaust structure suitable for the upper water inlet milk frother.

[0029] Compared with the prior art, the utility model obtains the following beneficial effects:

[0030] The utility model discloses a kind of exhaust structure suitable for the upper water inlet milk frother and milk frother, including cavity and the lid body suitable for cavity, cavity outside is equipped with upper water inlet assembly and heater, exhaust pipe is equipped in lid body;When heater heats the water in cavity, upper water inlet assembly extracts the water in cavity by water pumping pipe, and water outlet is flowed out by upper water inlet assembly, the water vapor in cavity is discharged outside by exhaust pipe. By being equipped with exhaust pipe in the cavity and lid body with upper water inlet assembly, explosion or leakage risk caused by excessive internal pressure during use can be effectively prevented. By discharging the gas accumulated inside in time, both water temperature can be guaranteed, and the balance of internal pressure of milk frother can be maintained, to ensure the safety of use.

[0031] Exhaust structure helps to dissipate heat and circulate air inside the milk frother, avoiding local overheating or uneven temperature. This not only improves the heating efficiency of the milk frother, but also ensures that the brewed milk powder is evenly heated, making it more suitable for infants to drink.

[0032] Through the exhaust structure, the pressure and temperature inside the milk frother are balanced, reducing the wear and tear of components caused by excessive pressure or uneven temperature. This helps to prolong the service life of the milk frother and reduce the maintenance cost of users.

[0033] The design of the exhaust structure makes the milk warmer more stable during heating and brewing milk powder, reducing noise and vibration. This not only improves the user experience, but also allows the baby to enjoy the milk powder in a more quiet and comfortable environment.

[0034] The exhaust structure helps to reduce the accumulation of limescale and odor inside the milk warmer. By timely discharging internal gas and moisture, the formation of limescale and the generation of odor are avoided, thereby maintaining the cleanliness and hygiene of the milk warmer. BRIEF DESCRIPTION OF DRAWINGS

[0035] Figure 1 The product schematic diagram of the milk warmer in the embodiment of the utility model;

[0036] Figure 2 The explosion structure schematic diagram of the milk warmer in the embodiment of the utility model;

[0037] Figure 3 The internal structure schematic diagram of the milk warmer in the embodiment of the utility model;

[0038] Figure 4 The upper water inlet assembly structure schematic diagram in the embodiment of the utility model;

[0039] Figure 5 The cover structure schematic diagram in the embodiment of the utility model;

[0040] Figure 6 The cover explosion structure schematic diagram in the embodiment of the utility model;

[0041] Figure 7 The cross section structure schematic diagram of the milk warmer in the embodiment of the utility model;

[0042] Figure 8 The Figure 7 The local enlarged schematic diagram of A in the embodiment of the utility model;

[0043] Figure 9 The Figure 7 The local enlarged schematic diagram of B in the embodiment of the utility model;

[0044] Figure 10 The sealing member structure schematic diagram in the embodiment of the utility model.

[0045] REFERENCE NUMERALS:

[0046] 1, cavity; 11, heater; 12, water outlet; 13, water suction pipe;

[0047] 2, cover; 21, upper cover; 22, lower cover; 221, exhaust net; 23, connecting disc; 231, exhaust pipe; 2311, exhaust cavity; 2312, exhaust channel; 24, connecting ring; 25, upper cavity; 251, drainage port; 252, water pumping cavity; 253, water conveying pipe; 254, connecting valve; 26, lower cavity; 261, water pumping port;

[0048] 3, sealing element; 31, annular bearing platform; 32, annular sealing strip;

[0049] 4, upper water inlet assembly; 41, first water pump; 42, second water pump; 43, water conveying tank; 44, waste water tank; 45, pipeline. DETAILED DESCRIPTION

[0050] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0051] EMBODIMENT

[0052] As Figures 1 to 10 An exhaust structure suitable for an upper water inlet milk regulator, comprising a cavity 1 provided with an opening at the top and a cover 2 matched with the opening of the cavity 1, the inside of the cover 2 is a hollow structure, the outer side of the cavity 1 is provided with an upper water inlet assembly 4 and a heater 11;

[0053] One end of the upper water inlet assembly 4 is provided with a water pumping pipe 13, and the other end is provided with a water outlet 12, the water outlet 12 is located on the outer side of the cavity 1, the water pumping pipe 13 is located in the cavity 1, and the upper water inlet assembly 4 is connected with the water pumping pipe 13 through the inside of the cover 2;

[0054] The cover 2 is provided with an exhaust pipe 231, the exhaust pipe 231 longitudinally penetrates the cover 2, one end of the exhaust pipe 231 is connected with the inside of the cavity 1, and the other end is connected with the outside, and the exhaust pipe 231 is sealingly connected with the inside of the cover 2;

[0055] The heater 11 heats the water in the cavity 1, the upper water inlet assembly 4 pumps out the water in the cavity 1 through the water pumping pipe 13, and the water is discharged from the water outlet 12 after the upper water inlet assembly 4, and the gas in the cavity 1 is discharged to the outside through the exhaust pipe 231.

[0056] The cavity 1 is made of glass material; the water pumping pipe 13 can be made of stainless steel material.

[0057] The cover 2 comprises an upper cover 21 and a lower cover 22, the lower cover 22 is located near the inside of the cavity 1, a connecting disc 23 is arranged between the upper cover 21 and the lower cover 22, the upper cover 21 and the lower cover 22 are connected into one through the connecting disc 23; the exhaust pipe 231 penetrates through the connecting disc 23, and is integrally formed with the connecting disc 23 or is separately arranged.

[0058] The area of the upper cover 21 is larger than that of the lower cover 22, the upper cover 21 and the lower cover 22 are connected through the connecting disc 23, the outer side edge of the lower cover 22 is further sleeved with a connecting ring 24, and the connecting ring 24 is sealingly connected with the opening end of the cavity 1. The exhaust pipe 231 penetrates through the connecting disc 23, and the two ends of the exhaust pipe 231 are respectively connected with the upper cover 21 and the lower cover 22; when the exhaust pipe 231 and the connecting disc 23 are separately arranged, the exhaust pipe 231 and the connecting disc 23 are sealingly connected.

[0059] The connecting disc 23 divides the cover 2 into an upper cavity 25 and a lower cavity 26, the space formed by the connecting disc 23 and the upper cover 21 is the upper cavity 25, and the space formed by the connecting disc 23 and the lower cover 22 is the lower cavity 26; the side wall of the upper cover 21 is provided with a drain port 251, the drain port 251 is connected with the upper cavity 25, and the drain port 251 is located at a position corresponding to the exhaust pipe 231.

[0060] Two spaces, that is, the upper cavity 25 and the lower cavity 26, are formed by the connecting disc 23 and the upper cover 21 and the lower cover 22 respectively; the side wall of the upper cover 21 is provided with the drain port 251, and since the pipeline of the water pump 13 is located in the upper cavity 25 after water in the cavity 1 is pumped out, if the sealing property of the exhaust pipe 231 and the inside of the cover 2 is poor, water in the upper cavity 25 can also be drained through the drain port 251. The exhaust pipe 231 and the connecting disc 23 are integrally formed, which can further prevent water vapor in the lower cavity 26 from entering the upper cavity 25 through the connection between the exhaust pipe 231 and the connecting disc 23.

[0061] The middle part of the lower cover 22 is provided with a water pumping port 261, the water pump 13 penetrates through the water pumping port 261 and the connecting disc 23 and extends into the upper cavity 25, the middle part of the surface of the connecting disc 23 facing the upper cover 21 is provided with a water pumping cavity 252, one end of the water pumping cavity 252 is sealingly connected with the water pump 13, and the other end is connected with a water conveying pipe 253, the water conveying pipe 253 is connected with the upper water inlet assembly 4 outside the cavity 1 through the inside of the upper cavity 25 and penetrates through the connecting disc 23.

[0062] The water pump 13 and the water pumping port 261 are sealingly connected, the water pumping port 261 and the water pumping cavity 252 are also sealingly connected, and the connection relationship between the water pump 13, the water pumping port 261, the water pumping cavity 252 and the water conveying pipe 253 is also sealingly connected.

[0063] The upper water inlet assembly 4 comprises a first water pump 41, a second water pump 42, a water delivery tank 43, a waste water tank 44 and a pipeline 45; the water delivery tank 43 is connected with the first water pump 41, the second water pump 42 and the water outlet 12 respectively through the pipeline 45; the second water pump 42 is connected with the waste water tank 44 through the pipeline 45; the first water pump 41 is connected with the water delivery pipe 253 through the pipeline 45; a connecting valve 254 is arranged between the water delivery pipe 253 and the pipeline 45, so that the water delivery pipe 253 and the pipeline 45 are connected with each other through the connecting valve 254.

[0064] The water in the cavity 1 is drawn by the first water pump 41, and then enters the first water pump 41 through the water suction pipe 13, the water suction cavity 252, the water delivery pipe 253 and the pipeline 45 in sequence, and then enters the water delivery tank 43; the water in the water delivery tank 43 flows out through the water outlet 12 through the pipeline 45, and the other part of the water flows to the waste water tank 44 through the second water pump 42.

[0065] The first water pump 41 is mainly used for drawing the water in the cavity 1, and then the water flows out through the water outlet 12 through the water delivery tank 43; that is, the first water pump 41 is mainly used for normal water outlet, and the second water pump 42 is mainly used for introducing the residual water in the pipeline 45 to the waste water tank 44, so as to ensure that there is no residual water in the rear pipeline of the upper water inlet assembly 4, and the water is divided by the water delivery tank 43, thereby solving the problem of residual water in the rear pipeline of the upper water inlet assembly 4.

[0066] The exhaust pipe 231 comprises an exhaust cavity 2311 and an exhaust passage 2312; the exhaust cavity 2311 is a hollow structure and is connected with the lower cover 22; the lower cover 22 is provided with an exhaust screen 221 at a position corresponding to the exhaust cavity 2311; the size of the exhaust screen 221 is adapted to the exhaust cavity 2311; the gas in the cavity 1 enters the exhaust cavity 2311 through the exhaust screen 221.

[0067] The exhaust screen 221 is mainly used for limiting the flow of gas; after the water in the cavity 1 is heated by the heater 11, the water vapor in the cavity 1 rises and is discharged through the exhaust screen 221 and the exhaust pipe 231.

[0068] One end of the exhaust passage 2312 extends to the surface of the upper cover 21 and is connected with the outside; the other end of the exhaust passage 2312 is connected with the exhaust cavity 2311.

[0069] The cross-sectional area of the exhaust passage 2312 is smaller than that of the exhaust cavity 2311, that is, the gas flow of the exhaust passage 2312 is smaller than that of the exhaust cavity 2311; the water vapor enters the exhaust cavity 2311 and is slowly discharged through the exhaust passage 2312, so as to ensure the stability of the water temperature in the cavity 1.

[0070] The end of the exhaust cavity 2311 connected with the lower cover 22 is provided with a sealing member 3, which is a hollow annular structure. The end of the sealing member 3 close to the lower cover 22 is internally recessed to form an annular abutment 31. The sealing member 3 is externally sleeved on the exhaust cavity 2311, and the side of the exhaust cavity 2311 facing the lower cover 22 abuts on the annular abutment 31, so that the annular abutment 31 is pressed on the peripheral side of the exhaust screen 221.

[0071] The sealing member 3 is mainly arranged at the end close to the lower cover 22 to ensure the sealed connection between the exhaust pipe 231 and the inside of the cover 2. The sealing member 3 is sleeved on the outside of the exhaust cavity 2311, and the pressure of the exhaust pipe 231 abutting on the annular abutment 31 causes the other side of the annular abutment 31 to be pressed tightly on the peripheral side of the exhaust screen 221, thereby forming a better sealing effect.

[0072] The side of the annular abutment 31 facing the lower cover 22 is provided with a plurality of annular sealing strips 32, and the side of the sealing member 3 sleeved on the outside of the exhaust cavity 2311 is also provided with a plurality of annular sealing strips 32. The sealing member 3 causes the exhaust pipe 231 to be sealed and connected with the inside of the cover 2.

[0073] The side of the part of the sealing member 3 sleeved on the outside of the exhaust cavity 2311 facing the side wall of the exhaust cavity 2311 is provided with an annular sealing strip 32. The side wall of the exhaust cavity 2311 and the side of the annular abutment 31 connected with the lower cover 22 are both provided with annular sealing strips 32, which are arranged to prevent water vapor from entering the inside of the cover 2 and affecting the upper water inlet assembly 4.

[0074] The embodiment also provides a milk frother applying the exhaust structure suitable for the upper water inlet milk frother. The exhaust structure suitable for the upper water inlet milk frother and the milk frother provided by the embodiment are as follows: After the heater 11 heats the water in the cavity 1, the water pump 13 draws the water in the cavity 1, and the water flows through the water suction port 261, the water suction cavity 252, enters the water delivery pipe 253, enters the connecting valve 254 from the water delivery pipe 253, and then enters the first water pump 41 through the pipeline 45. The first water pump 41 sends the drawn water to the water delivery tank 43 and then flows out through the water outlet 12. The second water pump 42 also communicates with the water delivery tank 43 to introduce the water in the second half of the pipeline 45 into the waste water tank 44, so as to prevent residual water in the pipeline 45.

[0075] After the cavity 1 is heated, the water vapor rises in the cavity 1 and is discharged through the drain pipe. The sealing member 3 prevents water from entering the upper cavity 25. If the exhaust pipe 231 and the sealing member 3 have problems, the water vapor enters the upper cavity 25, and then the water can be discharged through the drain pipe.

[0076] According to the disclosure and teaching of the above description, the skilled in the art of the present application can also change and modify the above embodiments. Therefore, the present application is not limited to the specific embodiments disclosed and described above, and some modifications and changes of the present application should fall within the protection scope of the claims of the present application. In addition, although some specific terms are used in the specification, these terms are only for convenience of description and do not constitute any limitation on the present application.

Claims

1. An exhaust structure suitable for an upper water inlet milk frother, comprising a cavity provided with an opening at the top, and a cover body matched with the cavity opening, the inside of the cover body being a hollow structure, and the outside of the cavity being provided with an upper water inlet assembly and a heater; characterized in that, one end of the upper water inlet assembly is provided with a water suction pipe, and the other end is provided with a water outlet, the water outlet is located outside the cavity, and the water suction pipe is located inside the cavity, and the upper water inlet assembly is connected with the water suction pipe through the inside of the cover body; an exhaust pipe is arranged in the cover body, the exhaust pipe longitudinally penetrates the cover body, one end of the exhaust pipe is connected with the inside of the cavity, and the other end is connected with the outside, and the exhaust pipe is sealingly connected with the inside of the cover body; the heater heats the water in the cavity, the upper water inlet assembly draws the water in the cavity out through the water suction pipe, and the water flows out through the water outlet after the upper water inlet assembly, and the gas in the cavity is discharged to the outside through the exhaust pipe.

2. The exhaust structure for the upper water inlet milk foamer according to claim 1, wherein the cover body comprises an upper cover and a lower cover, the lower cover is located on the side close to the inside of the cavity, a connecting disc is arranged between the upper cover and the lower cover, and the upper cover and the lower cover are connected into one body through the connecting disc; the exhaust pipe penetrates the connecting disc, and is integrally formed with the connecting disc or is separately arranged.

3. The exhaust structure for the upper water inlet milk foamer according to claim 2, wherein the exhaust pipe comprises an exhaust chamber and an exhaust channel, the exhaust chamber is a hollow structure and is connected with the lower cover, the lower cover is provided with an exhaust screen at the corresponding position connected with the exhaust chamber, the size of the exhaust screen is matched with the exhaust chamber, and the gas in the cavity enters the exhaust chamber through the exhaust screen.

4. The exhaust structure for the upper water inlet milk foamer according to claim 3, wherein one end of the exhaust channel extends to the surface of the upper cover and is connected with the outside, and the other end of the exhaust channel is connected with the exhaust chamber.

5. The exhaust structure for the upper water inlet milk foamer according to claim 3, wherein one end of the exhaust chamber connected with the lower cover is provided with a sealing member, the sealing member is a hollow annular structure, the end of the sealing member close to the lower cover is inwardly recessed to form an annular bearing platform, the sealing member is sleeved on the outside of the exhaust chamber from the outside, and the side of the exhaust chamber close to the lower cover abuts on the annular bearing platform, so that the annular bearing platform is pressed on the circumferential side of the exhaust screen.

6. The exhaust structure for the upper water inlet milk foamer according to claim 5, wherein the side of the annular bearing platform close to the lower cover is provided with a plurality of annular sealing strips, and the side of the sealing member sleeved with the outside of the exhaust chamber is provided with a plurality of annular sealing strips; the exhaust pipe and the inside of the cover body are sealingly connected through the sealing member.

7. The exhaust structure for the upper water inlet milk foamer according to claim 2, wherein the connecting disc divides the cover body into an upper cavity and a lower cavity, the space formed by the connecting disc and the upper cover is the upper cavity, and the space formed by the connecting disc and the lower cover is the lower cavity; the side wall of the upper cover is provided with a drain port, the drain port is connected with the upper cavity, and the drain port is located at the corresponding position close to the exhaust pipe.

8. The exhaust structure for the upper water inlet milk foamer according to claim 7, wherein the middle part of the lower cover is provided with a water suction port, the water suction pipe penetrates the water suction port and the connecting disc and extends into the upper cavity, the middle part of the side of the connecting disc close to the upper cover is provided with a water suction chamber, one end of the water suction chamber is sealingly connected with the water suction pipe, and the other end is connected with a water delivery pipe, the water delivery pipe is connected with the upper water inlet assembly outside the cavity through the inside of the upper cavity and the connecting disc.

9. The exhaust structure for the upper water inlet milk foamer according to claim 8, wherein, The upper water inlet assembly comprises a first water pump, a second water pump, a water delivery tank, a waste water tank and a pipeline; the water delivery tank is connected with the first water pump, the second water pump and the water outlet respectively through the pipeline; the second water pump is connected with the waste water tank through the pipeline; the first water pump is connected with the water delivery pipeline through the pipeline; a connecting valve is arranged between the water delivery pipeline and the pipeline to make the water delivery pipeline and the pipeline communicate with each other; The water in the cavity is pumped by the first water pump, and then enters the first water pump from the water pumping pipe, the water pumping cavity, the water delivery pipeline and the pipeline in sequence, and then enters the water delivery tank; the water in the water delivery tank flows out from the water outlet through the pipeline, and flows to the waste water tank through the second water pump.

10. A milk frother, characterized in that, An exhaust structure suitable for the upper water inlet milk regulator is applied.

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