Milk box foaming device

Abstract

The utility model discloses a milk box foaming device which comprises a milk box and a foaming assembly, a milk cavity and a containing cavity are arranged in the milk box, the foaming assembly is arranged on the containing cavity, a steam connector, an air inlet connector, a milk inlet connector and a discharging connector which are communicated with one another are arranged on the foaming assembly, a milk inlet pipe is connected to the milk inlet connector and extends into the milk cavity, and a milk outlet pipe is connected to the discharging connector and extends into the milk cavity. A discharging pipe is connected to the discharging connector and extends out of the milk box; the air inlet adjusting valve comprises a shell and a control switch, the shell is provided with an air outlet channel and more than two air inlet channels, the air inlet quantity of different air inlet channels is different, the air outlet channel is communicated with the air inlet interface, the control switch is movably arranged on the shell, and the air inlet channel is communicated with the air inlet interface. The control switch enables the air outlet channel to be communicated with one air inlet channel, and meanwhile the air outlet channel and the other air inlet channels are sealed. According to the milk box foaming device, the air inlet adjusting valve has more than two different air inlet amounts, and adjustment by a user is simple, convenient and time-saving.

Description

Technical Field

[0001] The utility model relates to the technical field of milk frothing, in particular to a milk box frothing device. Background Art

[0002] The existing milk box foaming device, see Chinese utility model patent number: 2023201240030, name: a milk box foaming component and its coffee machine, authorization announcement date: September 8, 2023, includes a four-way foaming pipe, the four-way foaming pipe is provided with a communicating steam interface, a milk inlet pipe interface, a discharge pipe interface and an air inlet pipe interface; the air inlet pipe interface is connected to one end of the air inlet pipe, and the other end of the air inlet pipe is connected to an elastic sealing body, and a rotary valve is rotatably arranged in the elastic sealing body; the inner wall of the elastic sealing body is formed with a first air vent, and the outer wall of the rotary valve is formed with a second air vent. The benefit of the utility model is that the inner wall of the elastic sealing body is formed with a first air vent, and the outer wall of the rotary valve is formed with a second air vent. When the rotary valve rotates relative to the elastic sealing body, the first air vent and the second air vent will be disconnected or gradually connected, thereby achieving the purpose of disconnecting the air intake of the air inlet pipe and adjusting the air intake amount of the air inlet pipe, and the structure is ingenious.

[0003] The milk box foaming component is that when the rotary valve rotates relative to the elastic sealing body, the first air channel and the second air channel will be disconnected or gradually connected, thereby disconnecting the air intake of the air intake pipe and adjusting the air intake amount of the air intake pipe.

[0004] However, the milk box foaming component of the above structure still has the following shortcomings: (1) The milk box foaming component adjusts the air intake volume of the air intake pipe in an infinitely adjustable manner. Users need to keep trying to adjust the air intake volume to suit their taste. This process is cumbersome and time-consuming to operate, and each time the user uses it next time, it takes time to readjust, which is not conducive to the user's experience. Utility Model Content

[0005] The utility model aims to solve the deficiencies of the prior art and to provide a milk box foaming device with two or more different air intake volumes, which is simple, convenient and time-saving for users to adjust.

[0006] The purpose of the utility model is achieved in this way:

[0007] A milk box foaming device, comprising a milk box and a foaming component, wherein the milk box is provided with a milk cavity and a containing cavity, the foaming component is placed on the containing cavity, the foaming component is provided with a steam interface, an air inlet interface, a milk inlet interface and a discharge interface which are connected to each other, the milk inlet interface is connected with a milk inlet pipe which extends into the milk cavity, the discharge interface is connected with a discharge pipe which extends out of the milk box; the device is characterized in that it also comprises an air inlet regulating valve, the air inlet regulating valve comprises a shell and a control switch, the shell is provided with an air outlet channel and more than two air inlet channels, the air intake amounts of different air inlet channels are different, and the air inlet amount of different air inlet channels is different. The air outlet channel is connected with the air inlet interface, and the control switch is movably arranged on the shell. The control switch connects the air outlet channel with one of the air inlet channels while closing the air outlet channel and other air inlet channels. This milk box frothing device has two or more air inlet channels arranged on the shell, and the air intake volume of each air inlet channel is different, so that the taste of the mixed milk foam is different, which can meet the different usage requirements of users. At the same time, the user only needs to operate the control switch to achieve the connection between different air inlet channels and air outlet channels. The operation is simple, convenient and time-saving, and can well improve the user's usage experience.

[0008] The purpose of the utility model can also be solved by the following technical measures:

[0009] Specifically, the control switch includes an operating part and a control part that are connected to each other, an installation cavity is provided in the shell and the installation cavity is communicated with the air outlet channel and the air inlet channel respectively, the control part is rotatably provided on the installation cavity, the operating part extends upward out of the shell, an intermediate channel is opened on the control part, one end of the intermediate channel is communicated with the air outlet channel, and the other end of the intermediate channel is communicated with one of the air inlet channels; the operating part extending out of the control switch is convenient for the user to rotate the operation, so that the user can operate the rotating control part, and thereby make one end of the intermediate channel on the control part communicate with different air inlet channels, so as to achieve the purpose of different air intake amounts.

[0010] Specifically, the shell is provided with a first air intake channel and a second air intake channel, the inner diameter of the second air intake port of the second air intake channel is smaller than the inner diameter of the first air intake port of the first air intake channel, and the other end of the intermediate channel is connected to the first air intake channel; by making the inner diameter of the second air intake port smaller than the inner diameter of the first air intake port of the first air intake channel, the air intake volume of the second air intake channel is smaller than the air intake volume of the first air intake channel, and this implementation method has a simple structure and good implementation effect.

[0011] Specifically, a protective cover is further included, and a first air inlet portion is extended outward from one side of the shell, and the first air inlet portion is provided with the first air inlet passage. The protective cover is placed on the first air inlet portion, and an air inlet gap is provided between the protective cover and the first air inlet portion, so that external air can enter the first air inlet passage through the air inlet gap. At the same time, the protective cover shell has a better protective effect on the first air inlet portion, which is beneficial to the stable operation of the first air inlet passage and ensures its service life.

[0012] Specifically, a third air inlet channel is further provided on the shell, and the inner diameter of the first air inlet port of the first air inlet channel is smaller than the inner diameter of the third air inlet port of the third air inlet channel; the third air inlet channel can meet more usage requirements of users.

[0013] Specifically, an elastic clamping piece is provided on the side of the control part opposite to the other end of the middle channel, and one end of the elastic clamping piece extends out of the control part in an elastic and movable manner, and a first clamping slot, a second clamping slot, a third clamping slot and a fourth clamping slot are provided in the installation cavity with uniform intervals, the first clamping slot is arranged opposite to the first air inlet channel, the second clamping slot is arranged opposite to the second air inlet channel, the third clamping slot is arranged opposite to the third air inlet channel, and the fourth clamping slot is arranged opposite to the inner wall of the installation cavity, and one end of the elastic clamping piece extends into the first clamping slot; through the cooperation of the elastic clamping piece and different clamping slots, the rotation of the control part on the installation cavity is limited, so that the switching rotation of the control part is in place, so that the middle channel on the control part can be stably aligned with different air inlet channels or the inner wall of the installation cavity, so as to stably realize the connection between different air inlet channels and air outlet channels.

[0014] Specifically, an inner concave cavity is opened on the control part, and the elastic clamping part includes a spring and a clamping head. The spring and the clamping head are both placed in the inner concave cavity and the two ends of the spring are respectively against the inner concave cavity and the clamping head, and one end of the clamping head extends outward into the first clamping groove; the elastic clamping part has a simple structure and can also well realize its own function, and its implementation effect is better.

[0015] Specifically, the foaming component includes a steam pipe, a negative pressure pipe and a mixing pipe, the steam pipe is connected to one end of the negative pressure pipe, the mixing pipe is movably connected to the other end of the negative pressure pipe, the steam pipe is provided with the steam interface, the negative pressure pipe is provided with the air inlet interface and the milk inlet interface, and the mixing pipe is provided with the discharge interface; the steam pipe, the negative pressure pipe and the mixing pipe can each independently play their own role, so that the foaming component can work stably and have a good foaming effect.

[0016] Specifically, a receiving seat is provided at the outer bottom of the milk box and is located below the discharge pipe. A small groove is provided on the receiving seat so that the receiving seat can accommodate a small amount of milk foam leaking from the discharge pipe to prevent it from dripping onto the table.

[0017] The beneficial effects of the utility model are as follows:

[0018] (1) This milk box frothing device has two or more air inlet channels arranged on the shell, and the air intake volume of each air inlet channel is different, so that the taste of the mixed milk froth is different, which can meet the different usage needs of users. At the same time, the user only needs to operate the control switch to achieve the connection between different air inlet channels and air outlet channels. The operation is simple, convenient and time-saving, which can greatly improve the user experience.

[0019] (2) The operating portion extending outside the control switch is convenient for the user to rotate the control portion, so that the user can operate the rotating control portion, thereby allowing one end of the middle channel on the control portion to be connected to different air intake channels, thereby achieving the purpose of different air intake amounts.

[0020] (3) By means of the cooperation between the elastic clamping part and the different clamping slots, the rotation of the control part on the installation cavity is limited so that the switching rotation of the control part is in place, thereby making the middle channel on the control part stably aligned with different air inlet channels or the inner wall of the installation cavity, so as to stably realize the connection between different air inlet channels and air outlet channels. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the milk box foaming device of the utility model.

[0022] Figure 2 It is a cross-sectional view of the milk box foaming device of the present utility model.

[0023] Figure 3 It is a three-dimensional diagram of the air intake regulating valve of the utility model.

[0024] Figure 4 It is a cross-sectional view of the air intake regulating valve of the utility model.

[0025] Figure 5 This is a cross-sectional view of the air intake regulating valve of the utility model from another angle.

[0026] Figure 6 It is a schematic diagram of the foaming component of the utility model.

[0027] Figure 7 This is a disassembled diagram of the milk box foaming device of the present utility model. DETAILED DESCRIPTION

[0028] The utility model is further described below in conjunction with the accompanying drawings and embodiments:

[0029] Example, combined with Figures 1 to 7As shown, a milk box foaming device comprises a milk box 1 and a foaming component 2, wherein the milk box 1 is provided with a milk cavity 11 and a containing cavity 12, the foaming component 2 is placed on the containing cavity 12, the foaming component 2 is provided with a steam interface 21, an air inlet interface 22, a milk inlet interface 23 and a discharge interface 24 which are connected to each other, the milk inlet interface 23 is connected with a milk inlet pipe 3 and the milk inlet pipe 3 extends into the milk cavity 11, the discharge interface 24 is connected with a discharge pipe 4 and the discharge pipe 4 extends out of the milk box 1; Its characteristic is that it also includes an air intake regulating valve 5, which includes a shell 51 and a control switch 52. The shell 51 is provided with an air outlet channel 53 and more than two air intake channels, and the air intake amounts of different air intake channels are different. The air outlet channel 53 is connected with the air intake interface 22, and the control switch 52 is movably arranged on the shell 51. The control switch 52 connects the air outlet channel 53 with one of the air intake channels, while the air outlet channel 53 is closed from the other air intake channels.

[0030] As a specific solution, the control switch 52 includes an operating part 54 and a control part 55 connected to each other. An installation cavity 511 is provided in the shell 51 and the installation cavity 511 is respectively connected to the air outlet channel 53 and the air inlet channel. The control part 55 is rotatably arranged on the installation cavity 511. The operating part 54 extends upward out of the shell 51. An intermediate channel 551 is opened on the control part 55. One end of the intermediate channel 551 is connected to the air outlet channel 53, and the other end of the intermediate channel 551 is connected to one of the air inlet channels.

[0031] As a more specific solution, a first air intake channel 56 and a second air intake channel 57 are provided on the shell 51, and the inner diameter of the second air intake port 571 of the second air intake channel 57 is smaller than the inner diameter of the first air intake port 561 of the first air intake channel 56, and the other end of the intermediate channel 551 is connected to the first air intake channel 56.

[0032] As a more preferred embodiment, a protective cover 6 is further included, and a first air inlet portion 513 is extended outward from one side of the shell 51, and the first air inlet portion 513 is provided with the first air inlet channel 56, and the protective cover 6 is sleeved on the first air inlet portion 513, and an air inlet gap 100 exists between the protective cover 6 and the first air inlet portion 513; a second air inlet portion 514 is extended outward from the other side of the shell 51, and the second air inlet portion 514 is provided with the second air inlet channel 57, and the protective cover 6 is sleeved on the second air inlet portion 514, and an air inlet gap 100 also exists between the protective cover 6 and the second air inlet portion 514.

[0033] As a more specific solution, a third air inlet channel 58 is further provided on the shell 51 , and the inner diameter of the first air inlet port 561 of the first air inlet channel 56 is smaller than the inner diameter of the third air inlet port 581 of the third air inlet channel 58 .

[0034] In this embodiment, an elastic clamping member 7 is provided on the side of the control part 55 opposite to the other end of the middle channel 551, and one end of the elastic clamping member 7 extends out of the control part 55 in an elastic and movable manner. The installation cavity 511 is provided with a first clamping groove 515, a second clamping groove 516, a third clamping groove 517 and a fourth clamping groove 518 that are evenly spaced. The first clamping groove 515 is arranged opposite to the first air intake channel 56, the second clamping groove 516 is arranged opposite to the second air intake channel 57, the third clamping groove 517 is arranged opposite to the third air intake channel 58, and the fourth clamping groove 518 is arranged opposite to the inner wall of the installation cavity 511, and one end of the elastic clamping member 7 extends into the first clamping groove 515.

[0035] In this embodiment, an inner concave cavity 552 is opened on the control part 55, and the elastic clamping part 7 includes a spring 71 and a clamping head 72. The spring 71 and the clamping head 72 are both placed in the inner concave cavity 552 and the two ends of the spring 71 are respectively against the inner concave cavity 552 and the clamping head 72, and one end of the clamping head 72 extends outward into the first clamping groove 515.

[0036] The air intake volumes of the third air intake channel 58, the first air intake channel 56 and the second air intake channel 57 gradually decrease. In actual operation, the third air intake channel 58 is a cleaning channel, that is, the air intake volume is the largest. At this time, only air and high-temperature steam are mixed in the foaming component 2, which can clean the internal channels of the foaming component 2. The first air intake channel 56 and the second air intake channel 57 are channels for adjusting the density of the milk foam, and their air intake volumes are relatively reduced, that is, air, high-temperature steam and milk are mixed in the foaming component 2 at this time.

[0037] When the elastic clamping member 7 is inserted into the fourth clamping groove 518, the middle channel 551 abuts against the inner wall of the installation cavity 511, that is, no air enters the middle channel 551. At this time, only high-temperature steam and milk are mixed in the foaming component 2 to heat the milk.

[0038] As a more specific solution, the foaming component 2 includes a steam pipe 25, a negative pressure pipe 26 and a mixing pipe 27. The steam pipe 25 is connected to one end of the negative pressure pipe 26, and the mixing pipe 27 is movably connected to the other end of the negative pressure pipe 26. The steam pipe 25 is provided with the steam interface 21, the negative pressure pipe 26 is provided with the air inlet interface 22 and the milk inlet interface 23, and the mixing pipe 27 is provided with the discharge interface 24.

[0039] As a more specific solution, a receiving seat 8 is further provided at the outer bottom of the milk box 1 and the receiving seat 8 is located below the discharge pipe 4 , and a small groove 81 is opened on the receiving seat 8 .

[0040] This milk box foaming device can be used in small household appliances such as coffee machines.

Claims

1. A milk box foaming device, comprising a milk box (1) and a foaming component (2), wherein the milk box (1) is provided with a milk chamber (11) and a receiving chamber (12), the foaming component (2) is placed on the receiving chamber (12), the foaming component (2) is provided with a steam interface (21), an air inlet interface (22), a milk inlet interface (23) and a discharge interface (24) which are connected to each other, the milk inlet interface (23) is connected to a milk inlet pipe (3) and the milk inlet pipe (3) extends into the milk chamber (11), the discharge interface (24) is connected to a discharge pipe (4) and the discharge pipe (4) extends out of the milk box (1); Its characteristics are: The invention also comprises an air intake regulating valve (5), the air intake regulating valve (5) comprising a housing (51) and a control switch (52), the housing (51) being provided with an air outlet channel (53) and two or more air intake channels, the air intake volumes of different air intake channels being different, the air outlet channel (53) being connected to an air intake interface (22), the control switch (52) being movably arranged on the housing (51), the control switch (52) enabling the air outlet channel (53) to be connected to one of the air intake channels while the air outlet channel (53) and the other air intake channels are closed.

2. The milk box foaming device according to claim 1, characterized in that: The control switch (52) comprises an operating portion (54) and a control portion (55) which are connected to each other; a mounting cavity (511) is provided in the housing (51) and the mounting cavity (511) is communicated with the air outlet channel (53) and the air inlet channel respectively; the control portion (55) is rotatably arranged on the mounting cavity (511); the operating portion (54) extends upwardly out of the housing (51); an intermediate channel (551) is formed on the control portion (55); one end of the intermediate channel (551) is communicated with the air outlet channel (53); and the other end of the intermediate channel (551) is communicated with one of the air inlet channels.

3. The milk box foaming device according to claim 2, characterized in that: The housing (51) is provided with a first air inlet channel (56) and a second air inlet channel (57); the inner diameter of the second air inlet port (571) of the second air inlet channel (57) is smaller than the inner diameter of the first air inlet port (561) of the first air inlet channel (56); and the other end of the intermediate channel (551) is in communication with the first air inlet channel (56).

4. The milk box foaming device according to claim 3, characterized in that: It also includes a protective sleeve (6), a first air inlet portion (513) extending outward from one side of the shell (51), the first air inlet portion (513) being provided with the first air inlet channel (56), the protective sleeve (6) being sleeved on the first air inlet portion (513), and an air inlet gap (100) being present between the protective sleeve (6) and the first air inlet portion (513).

5. The milk box foaming device according to claim 3, characterized in that: The housing (51) is also provided with a third air inlet channel (58), and the inner diameter of the first air inlet port (561) of the first air inlet channel (56) is smaller than the inner diameter of the third air inlet port (581) of the third air inlet channel (58).

6. The milk box foaming device according to claim 5, characterized in that: An elastic clamping member (7) is provided on a side of the control portion (55) opposite to the other end of the middle channel (551); one end of the elastic clamping member (7) extends out of the control portion (55) in an elastically movable manner; a first clamping slot (515), a second clamping slot (516), a third clamping slot (517) and a fourth clamping slot (518) are provided in the installation cavity (511) at even intervals; the first clamping slot (515) is arranged opposite to the first air inlet channel (56); the second clamping slot (516) is arranged opposite to the second air inlet channel (57); the third clamping slot (517) is arranged opposite to the third air inlet channel (58); the fourth clamping slot (518) is arranged opposite to the inner wall of the installation cavity (511); and one end of the elastic clamping member (7) extends into the first clamping slot (515).

7. The milk box foaming device according to claim 6, characterized in that: The control portion (55) is provided with an inner concave cavity (552), and the elastic clamping member (7) comprises a spring (71) and a clamping head (72). The spring (71) and the clamping head (72) are both placed in the inner concave cavity (552), and two ends of the spring (71) are respectively abutted against the inner concave cavity (552) and the clamping head (72), and one end of the clamping head (72) extends outwardly into the first clamping groove (515).

8. The milk box foaming device according to claim 1, characterized in that: The foaming component (2) comprises a steam pipe (25), a negative pressure pipe (26) and a mixing pipe (27); the steam pipe (25) is connected to one end of the negative pressure pipe (26); the mixing pipe (27) is movably connected to the other end of the negative pressure pipe (26); the steam pipe (25) is provided with the steam interface (21); the negative pressure pipe (26) is provided with the air inlet interface (22) and the milk inlet interface (23); and the mixing pipe (27) is provided with the material discharge interface (24).

9. The milk box foaming device according to claim 1, characterized in that: A receiving seat (8) is also provided at the outer bottom of the milk box (1), and the receiving seat (8) is located below the discharge pipe (4), and a small groove (81) is formed on the receiving seat (8).

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