Milk foam making device and coffee machine

Abstract

The embodiment of the invention provides a milk foam making device and a coffee machine, and relates to the field of household appliances. The milk foaming device comprises a foaming part, a milk suction pipe and a steam connector, the foaming part is provided with a steam inlet and a milk inlet which are communicated with each other, the milk suction pipe is communicated with the milk inlet, the steam connector is communicated with the steam inlet, the steam connector is rotatably arranged relative to the foaming part, and the steam connector is provided with a shielding part. The position of the shielding part corresponds to the position of the milk inlet, and the shielding part is used for rotating along with the steam connector, so that the amount of milk entering the foaming part through the milk inlet is adjusted. After high-temperature steam is introduced into the steam connector, negative pressure can be generated in the foaming part, so that milk is sucked into the foaming part through the milk suction pipe and the milk inlet to be foamed, the steam connector is provided with a shielding part, the position of the shielding part corresponds to the position of the milk inlet, and the shielding part is driven to rotate by rotating the steam connector. Therefore, the amount of milk entering the foaming part through the milk inlet is adjusted.

Description

Technical Field

[0001] The present invention relates to the technical field of household appliances, and more particularly, to a milk frothing device and a coffee machine. Background Art

[0002] Currently, with the growing demand for high-quality coffee beverages, the automatic milk tank device on coffee machines has become popular because it can automatically complete the process of foaming milk foam. In the prior art, the automatic milk tank device usually includes a high-temperature steam system that foams by injecting high-temperature steam together with mixed air into milk to generate milk foam. This process aims to simulate the way of manual milk frothing to meet the requirements of coffee lovers for the fineness and density of milk foam.

[0003] There is a technical problem in the coffee machines of the prior art that the milk intake cannot be adjusted, so the temperature of the milk foam cannot be adjusted. Summary of the Invention

[0004] The present invention provides a milk frothing device and a coffee machine, which can automatically adjust the milk intake, thereby adjusting the temperature of the milk foam and having better use effects.

[0005] Embodiments of the present invention can be implemented as follows:

[0006] Embodiments of the present invention provide a milk frothing device, which includes:

[0007] A foaming part, which is provided with a steam inlet and a milk inlet that are communicated with each other;

[0008] A milk straw, which is communicated with the milk inlet;

[0009] A steam joint, which is communicated with the steam inlet, and the steam joint is rotatably arranged relative to the foaming part. Wherein, the steam joint is provided with a shielding part, the position of the shielding part corresponds to the position of the milk inlet, and the shielding part is used to rotate with the steam joint to adjust the amount of milk entering the foaming part through the milk inlet.

[0010] Optionally, the steam joint includes a steam pipe and a steam knob that are connected to each other. The steam pipe is inserted into the steam inlet, the shielding part is arranged at the end of the steam pipe located inside the foaming part, and the knob is used to drive the steam pipe to rotate.

[0011] Optionally, the shielding part is in a plate-like structure, and the shielding part is used to rotate with the steam joint to gradually shield the milk inlet, thereby changing the amount of milk entering the milk inlet.

[0012] Optionally, the milk frothing device further includes a first sealing sleeve disposed at an end where the milk straw is connected to the milk inlet.

[0013] Optionally, the milk frothing device further includes a limiting member disposed within the first sealing sleeve for preventing deformation of the first sealing sleeve.

[0014] Optionally, the limiting member is a metal ring.

[0015] Optionally, the milk frothing device further includes an air conditioning joint rotatably connected to the foaming part, and the air conditioning joint is used to adjust the air intake amount entering the foaming part when rotating.

[0016] Optionally, the air conditioning joint includes a joint body and an adjustment knob. The adjustment knob is installed on the joint body. The joint body is provided with an air intake passage communicating with the foaming part. The adjustment knob is used to drive the rotation of the joint body, thereby driving the rotation of the air intake passage to adjust the air intake amount entering the foaming part.

[0017] Optionally, the foaming part includes a foaming cavity, a second sealing sleeve, and an air inlet pipe that are interconnected. The steam inlet and the milk inlet are both disposed in the foaming cavity. The air inlet pipe communicates with the foaming cavity. The second sealing sleeve is disposed within the air inlet pipe, and the air conditioning joint is sleeved inside the second sealing sleeve.

[0018] An embodiment of the present invention further provides a coffee machine, including a machine body and a milk frothing device, and the milk frothing device is connected to the machine body.

[0019] The beneficial effects of the milk frothing device and the coffee machine according to the embodiments of the present invention include, for example:

[0020] The milk frothing device includes a foaming part, a milk straw, and a steam joint. The foaming part is provided with a steam inlet and a milk inlet that communicate with each other. The milk straw is in communication with the milk inlet, and the steam joint is in communication with the steam inlet. The steam joint is rotatably arranged relative to the foaming part. Among them, the steam joint is provided with a shielding part, and the position of the shielding part corresponds to the position of the milk inlet. The shielding part is used to rotate with the steam joint, so as to adjust the amount of milk entering the foaming part through the milk inlet. During use, the steam joint and the milk straw are respectively in communication with the steam inlet and the milk inlet of the foaming part. After high-temperature steam is introduced into the steam joint, a negative pressure can be generated in the foaming part, so as to suck the milk into the foaming part through the milk straw and the milk inlet for foaming. The steam joint is provided with a shielding part, and the position of the shielding part corresponds to the position of the milk inlet. By rotating the steam joint to drive the shielding part to rotate, the amount of milk entering the foaming part through the milk inlet is adjusted, and finally the temperature of the milk foam is adjusted, improving the effect of milk frothing.

[0021] The coffee machine includes a machine body and a milk frothing device, and the milk frothing device is connected to the machine body. During use, the steam joint and the milk straw are respectively in communication with the steam inlet and the milk inlet of the foaming part. After high-temperature steam is introduced into the steam joint, a negative pressure can be generated in the foaming part, so as to suck the milk into the foaming part through the milk straw and the milk inlet for foaming. The steam joint is provided with a shielding part, and the position of the shielding part corresponds to the position of the milk inlet. By rotating the steam joint to drive the shielding part to rotate, the amount of milk entering the foaming part through the milk inlet is adjusted, and finally the temperature of the milk foam is adjusted, improving the effect of milk frothing. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following will briefly introduce the drawings required for the embodiments. It should be understood that the following drawings only show some embodiments of the present invention, so they should not be regarded as limiting the scope. For those of ordinary skill in the art, other related drawings can be obtained based on these drawings without creative efforts.

[0023] Figure 1 It is a schematic structural diagram of the milk frothing device provided in this embodiment from the first perspective;

[0024] Figure 2 It is a schematic structural diagram of the milk frothing device provided in this embodiment from the second perspective;

[0025] Figure 3 It is a schematic structural diagram of the milk frothing device provided in this embodiment from the third perspective;

[0026] Figure 4 It is a schematic structural diagram of the milk frothing device provided in this embodiment from the fourth perspective;

[0027] Figure 5 It is a schematic structural diagram of the fifth perspective of the milk foaming device provided in this embodiment;

[0028] Figure 6 It is a schematic structural diagram of the sixth perspective of the milk foaming device provided in this embodiment.

[0029] Icons: 10 - Foaming part; 11 - Foaming cavity; 12 - Second sealing sleeve; 13 - Air inlet pipe; 101 - Steam inlet; 102 - Milk inlet; 20 - Milk straw; 30 - Steam joint; 31 - Steam pipe; 32 - Steam knob; 40 - Shielding part; 50 - First sealing sleeve; 60 - Limiting part; 70 - Air conditioning joint; 71 - Joint body; 72 - Adjusting knob; 80 - Milk outlet joint; 90 - Bottle body; 103 - Upper cover; 104 - Lower shell. Detailed implementation manners

[0030] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Apparently, the described embodiments are some, but not all, of the embodiments of the present invention. Generally, the components of the embodiments of the present invention described and illustrated in the accompanying drawings here can be arranged and designed in various different configurations.

[0031] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed present invention, but merely represents selected embodiments of the present invention. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0032] It should be noted that: Similar reference numerals and letters denote similar items in the following drawings. Therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0033] In the description of the present invention, it should be noted that if terms such as "upper", "lower", "inner", "outer", etc. are used to indicate the orientation or positional relationship, it is based on the orientation or positional relationship shown in the accompanying drawings or the orientation or positional relationship in which the product of the present invention is usually placed during use. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus cannot be construed as a limitation of the present invention.

[0034] In addition, if terms such as "first", "second", etc. are only used for distinguishing descriptions, they cannot be understood as indicating or implying relative importance.

[0035] It should be noted that, without conflict, the features in the embodiments of the present invention can be combined with each other.

[0036] Currently, with the continuous growth of people's demand for high-quality coffee beverages, the automatic milk tank device on coffee machines has become popular because it can automatically complete the process of foaming milk foam. In the prior art, the automatic milk tank device usually includes a high-temperature steam system, which foams by injecting high-temperature steam together with mixed air into milk, thereby generating milk foam. This process aims to simulate the way of manual milk frothing to meet the requirements of coffee lovers for the fineness and density of milk foam.

[0037] There is a technical problem in the coffee machines in the prior art that the milk intake cannot be adjusted, so the temperature of the milk foam cannot be adjusted.

[0038] Please refer to Figures 1-6 , this embodiment provides a milk frothing device and a coffee machine, which can effectively improve the above-mentioned technical problems, can automatically adjust the air intake volume, thereby adjusting the density and thickness of the milk foam, and has a better use effect.

[0039] The coffee machine includes a machine body and a milk frothing device, and the milk frothing device is connected to the machine body. Among them, the machine body includes an upper cover 103 and a lower shell 104, and the upper cover 103 and the lower shell 104 are detachably connected.

[0040] Please refer to Figures 1-6 , the milk frothing device includes a bottle body 90, a foaming part 10, a milk straw 20 and a steam joint 30. The foaming part 10 is arranged on the bottle body 90, the milk straw 20 is inserted into the bottle body 90, the foaming part 10 is provided with a steam inlet 101 and a milk inlet 102 that communicate with each other, the milk straw 20 is communicated with the milk inlet 102, the steam joint 30 is communicated with the steam inlet 101, and the steam joint 30 is rotatably arranged relative to the foaming part 10. Among them, the steam joint 30 is provided with a shielding part 40, the position of the shielding part 40 corresponds to the position of the milk inlet 102, and the shielding part 40 is used to rotate with the steam joint 30 to adjust the amount of milk entering the foaming part 10 through the milk inlet 102.

[0041] In this embodiment, the foaming part 10 includes a foaming cavity 11, a second sealing sleeve 12 and an air inlet pipe 13 that communicate with each other. The steam inlet 101 and the milk inlet 102 are both arranged on the foaming cavity 11, the air inlet pipe 13 is communicated with the foaming cavity 11, and the second sealing sleeve 12 is arranged in the air inlet pipe 13. Among them, the steam inlet 101 is arranged at one end of the foaming cavity 11, the milk inlet 102 is arranged at the middle position of the bottom of the foaming cavity 11, and the steam joint 30 and the milk inlet 102 are in a vertical state, and the second sealing sleeve 12 and the air inlet pipe 13 are clamped.

[0042] Specifically, the second sealing sleeve 12 is provided with a buckle, and the air inlet pipe 13 is provided with a clamping groove. The buckle is clamped in the clamping groove, thereby realizing the clamping connection between the second sealing sleeve 12 and the air inlet pipe 13. Of course, in other embodiments, a clamping groove can be provided on the second sealing sleeve 12, and a buckle can be provided on the air inlet pipe 13. No specific limitation is made here.

[0043] It should be noted that the steam joint 30 includes a connected steam pipe 31 and a steam knob 32. The steam pipe 31 is inserted into the steam inlet 101. The shielding portion 40 is provided at the end of the steam pipe 31 located within the foaming portion 10. The steam knob 32 is used to drive the steam pipe 31 to rotate. Specifically, the shielding portion 40 is a plate-like structure. The shielding portion 40 is used to rotate with the steam joint 30, thereby gradually shielding the milk inlet 102, and further changing the amount of milk entering the milk inlet 102.

[0044] Furthermore, the shielding portion 40 can be L-shaped, such that during the process of the shielding portion 40 rotating with the steam joint 30, the cross-section of the shielding portion 40 changes, thereby changing the amount of milk entering the milk inlet 102. In other embodiments, the shielding portion 40 can also be other shapes such as T-shaped, etc. No specific limitation is made here.

[0045] In this embodiment, the milk frothing device further includes a first sealing sleeve 50. The first sealing sleeve 50 is provided at the end where the milk straw 20 is connected to the milk inlet 102. The first sealing sleeve 50 can seal the gap between the milk straw 20 and the foaming cavity 11, preventing negative pressure leakage and thus resulting in poor milk adsorption effect.

[0046] Furthermore, the milk frothing device further includes a limiting member 60. The limiting member 60 is provided within the first sealing sleeve 50, and is used to prevent the first sealing sleeve 50 from deforming, thereby avoiding deformation of the outlet of the milk joint and resulting in poor milk adsorption effect.

[0047] In this embodiment, the limiting member 60 is a metal ring. The metal ring is provided on the inner wall of the first sealing sleeve 50 at the end away from the milk straw 20, thereby supporting the first sealing sleeve 50 and preventing the first sealing sleeve 50 from deforming.

[0048] Further, the milk frothing device further includes an air conditioning joint 70. The air conditioning joint 70 is rotatably connected to the foaming part 10. The air conditioning joint 70 is sleeved inside the second sealing sleeve 12. The air conditioning joint 70 is used to adjust the air intake amount entering the foaming part 10 when rotating. Specifically, the air conditioning joint 70 includes a joint body 71 and an adjustment knob 72. The adjustment knob 72 is installed on the joint body 71. The joint body 71 is provided with an air intake passage, and the air intake passage communicates with the foaming part 10. The adjustment knob 72 is used to drive the joint body 71 to rotate, thereby driving the air intake passage to rotate to adjust the air intake amount entering the foaming part 10. Among them, the adjustment knob 72 is arranged on the top of the joint body 71. The adjustment knob 72 is located outside the upper cover 103 and can rotate relative to the upper cover 103. The joint body 71 is arranged in the accommodation space surrounded by the upper cover 103 and the lower shell 104. The outer surface of the adjustment knob 72 is provided with a plurality of protrusions for increasing the friction force during rotation.

[0049] In this embodiment, the inner wall of the second sealing sleeve 12 is provided with a through hole, and the through hole communicates with both the air intake passage and the milk inlet pipe 13 at the same time.

[0050] In this embodiment, both the first sealing sleeve 50 and the second sealing sleeve 12 are silica gel sleeves.

[0051] During operation, after the steam joint 30 is connected to the steam to input steam into the foaming cavity 11, a negative pressure will be formed in the foaming cavity 11, so that the milk in the bottle body 90 is adsorbed into the foaming part 10 through the milk straw 20 and the milk inlet 102, so that the milk and the high-temperature steam are mixed and foamed. As Figure 5 shown, at this time, the steam joint 30 is in the state where the milk foam temperature is the lowest. At this time, the milk intake is the largest, and the temperature of the milk foam foamed by the large amount of milk and high-temperature steam entering the foaming cavity 11 is relatively the lowest.

[0052] When it is necessary to increase the milk foam temperature, rotate the steam knob 32 so that a part of the structure of the shielding part 40 is located at the milk inlet 102, blocking one-third of the area of the milk inlet 102, thereby blocking a part of the milk from entering. At this time, the milk intake is medium, and the temperature of the milk foam foamed by the milk and high-temperature steam entering the foaming cavity 11 is relatively medium. Continue to rotate the steam knob 32, as Figure 6 shown, at this time, the steam joint 30 is in the state where the milk foam temperature is the highest. The shielding part 40 is completely located at the milk inlet 102, thereby blocking one-half of the area of the milk inlet 102, thereby blocking most of the milk from entering. At this time, the milk intake is small, and the temperature of the small amount of milk foam foamed by the small amount of milk and high-temperature steam entering the foaming cavity 11 is relatively the highest.

[0053] Furthermore, the milk frothing device further includes a milk outlet connector 80 which is in communication with the foaming part 10 and is used for outputting the frothed milk foam.

[0054] In summary, the embodiment of the present invention provides a milk frothing device and a coffee machine. The milk frothing device includes a foaming part 10, a milk straw 20, and a steam connector 30. The foaming part 10 is provided with a steam inlet 101 and a milk inlet 102 that are in communication with each other. The milk straw 20 is in communication with the milk inlet 102, and the steam connector 30 is in communication with the steam inlet 101. Moreover, the steam connector 30 is rotatably arranged relative to the foaming part 10. Among them, the steam connector 30 is provided with a shielding part 40, and the position of the shielding part 40 corresponds to the position of the milk inlet 102. The shielding part 40 is used to rotate with the steam connector 30, so as to adjust the amount of milk entering the foaming part 10 through the milk inlet 102. During use, the steam connector 30 and the milk straw 20 are respectively in communication with the steam inlet 101 and the milk inlet 102 of the foaming part 10. After high-temperature steam is introduced into the steam connector 30, a negative pressure can be generated in the foaming part 10, so as to suck the milk into the foaming part 10 through the milk straw 20 and the milk inlet 102 for foaming. The steam connector 30 is provided with a shielding part 40, and the position of the shielding part 40 corresponds to the position of the milk inlet 102. By rotating the steam connector 30 to drive the shielding part 40 to rotate, the amount of milk entering the foaming part 10 through the milk inlet 102 can be adjusted, and finally the temperature of the milk foam can be adjusted, improving the effect of milk frothing.

[0055] The coffee machine includes a machine body and a milk frothing device, and the milk frothing device is connected to the machine body. During use, the steam connector 30 and the milk straw 20 are respectively in communication with the steam inlet 101 and the milk inlet 102 of the foaming part 10. After high-temperature steam is introduced into the steam connector 30, a negative pressure can be generated in the foaming part 10, so as to suck the milk into the foaming part 10 through the milk straw 20 and the milk inlet 102 for foaming. The steam connector 30 is provided with a shielding part 40, and the position of the shielding part 40 corresponds to the position of the milk inlet 102. By rotating the steam connector 30 to drive the shielding part 40 to rotate, the amount of milk entering the foaming part 10 through the milk inlet 102 can be adjusted, and finally the temperature of the milk foam can be adjusted, improving the effect of milk frothing.

[0056] The above is only the specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any change or replacement that can be easily thought of by those skilled in the art within the technical scope disclosed by the present invention should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope of the claimed rights.

Claims

1. A milk frothing device, characterized in that: include: A foaming portion (10), wherein the foaming portion (10) is provided with a steam inlet (101) and a milk inlet (102) which are interconnected; a milk straw (20), the milk straw (20) being in communication with the milk inlet (102); A steam joint (30), the steam joint (30) being in communication with the steam inlet (101), and the steam joint (30) being rotatably arranged relative to the frothing portion (10), wherein the steam joint (30) is provided with a shielding portion (40), the position of the shielding portion (40) corresponding to the position of the milk inlet (102), and the shielding portion (40) being used to rotate with the steam joint (30), thereby adjusting the amount of milk entering the frothing portion (10) through the milk inlet (102).

2. The milk frothing device according to claim 1, characterized in that: The steam joint (30) comprises a steam pipe (31) and a steam knob (32) connected to each other; the steam pipe (31) is inserted into the steam inlet (101); the shielding portion (40) is arranged at the end of the steam pipe (31) located inside the foaming portion (10); and the steam knob (32) is used to drive the steam pipe (31) to rotate.

3. The milk frothing device according to claim 2, characterized in that: The shielding portion (40) is a plate-shaped structure, and the shielding portion (40) is used to rotate along with the steam joint (30), thereby gradually shielding the milk inlet (102), thereby changing the amount of milk entering the milk inlet (102).

4. The milk frothing device according to claim 1, characterized in that: The milk frothing device further comprises a first sealing sleeve (50), wherein the first sealing sleeve (50) is arranged at the end where the milk straw (20) and the milk inlet (102) are connected.

5. The milk frothing device according to claim 4, characterized in that: The milk frothing device further comprises a limiting member (60), wherein the limiting member (60) is arranged in the first sealing sleeve (50) and is used to prevent the first sealing sleeve (50) from deforming.

6. The milk frothing device according to claim 5, characterized in that: The limiting member (60) is a metal ring.

7. The milk frothing device according to claim 1, characterized in that: The milk frothing device further comprises an air regulating joint (70), wherein the air regulating joint (70) is rotatably connected to the frothing portion (10), and the air regulating joint (70) is used to regulate the amount of air entering the frothing portion (10) when rotating.

8. The milk frothing device according to claim 7, characterized in that: The air regulating joint (70) comprises a joint body (71) and an adjusting knob (72), wherein the adjusting knob (72) is mounted on the joint body (71), and the joint body (71) is provided with an air inlet passage, wherein the air inlet passage is connected to the foaming portion (10), and the adjusting knob (72) is used to drive the joint body (71) to rotate, thereby driving the air inlet passage to rotate, so as to adjust the air intake amount entering the foaming portion (10).

9. The milk frothing device according to claim 7, characterized in that: The foaming portion (10) comprises a foaming cavity (11), a second sealing sleeve (12) and an air inlet pipe (13) which are interconnected; the steam inlet port (101) and the milk inlet port (102) are both arranged in the foaming cavity (11); the air inlet pipe (13) is connected to the foaming cavity (11); the second sealing sleeve (12) is arranged in the air inlet pipe (13); and the air conditioning joint (70) is sleeved inside the second sealing sleeve (12).

10. A coffee machine, characterized in that: It comprises a machine body and the milk frothing device according to any one of claims 1 to 9, wherein the milk frothing device is connected to the machine body.

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