Automatic milk foam machine

Abstract

The utility model discloses an automatic milk foam machine which comprises a milk box and a milk foam generating part, a suction pipe is arranged in the milk box, a gap is formed between the end, away from the milk foam generating part, of the suction pipe and the bottom face of the milk box, the milk foam generating part comprises a foaming core, a foaming cavity is formed in the foaming core and is conical, and a nozzle device is arranged at the end, with the smaller inner diameter, of the foaming cavity. A steam generating part is arranged below the milk box and comprises an air pump, a first flow channel is further arranged between the foaming cavity and the steam generating part, air is blown into the foaming cavity through the air pump and the first flow channel, then air pressure is formed in the conical foaming cavity, and under the driving of the air pressure, the milk box and the suction pipe are arranged in a gap between the milk box and the suction pipe. Milk is brought into the foaming cavity through the suction pipe, is rolled and foamed in the foaming cavity under the action of air flow, and is finally output through the nozzle device, so that an external steam generation device is not needed, the installation space of the milk foaming device is saved, and the use scene is further enriched, and the milk foaming device belongs to the field of milk foaming devices.

Description

Technical Field

[0001] The utility model belongs to the field of milk frothing devices, and more specifically, relates to an automatic milk frothing machine. Background Art

[0002] The milk frother is often seen in some coffee shops. Its working process is to form high-temperature steam by heating water, which will release stable and continuous steam at the air outlet. By placing the milk at the air outlet of the milk frother, the milk frother can make the milk fully blended, which can not only achieve the purpose of heating the milk, but also make the milk more dense. It is very easy and quick to use, and saves the time of manual milk frothing.

[0003] However, the milk frothers currently on the market require an external steam generating device when in use, so the overall installation space occupied is relatively large and the use environment is relatively limited. Summary of the invention

[0004] The main purpose of the utility model is to provide an automatic milk frother, which can save installation space and enrich usage scenarios.

[0005] In order to achieve the above object, the technical solution of the utility model is:

[0006] An automatic milk frothing machine comprises a milk box and a milk frothing generating part arranged above the milk box, a straw is arranged in the milk box, a gap is arranged between the end of the straw away from the milk frothing generating part and the bottom surface of the milk box, the milk frothing generating part comprises a foaming core, a foaming cavity is arranged in the foaming core, the foaming cavity is conical, a nozzle device is arranged at the end with a smaller inner diameter of the foaming cavity, the nozzle device is communicated with the foaming cavity, a steam generating part is arranged below the milk box, the steam generating part comprises an air pump, a first flow channel is further arranged between the foaming cavity and the steam generating part, the output end of the air pump is connected to the first flow channel, and the foaming cavity is communicated with the straw and the first flow channel respectively.

[0007] In a specific embodiment of the utility model, a heating part is provided between the milk box and the steam generating part, and the heating part includes a heating body, a heat conducting plate and a temperature control unit, the heat conducting plate is arranged closely to the bottom surface of the milk box, and the heating body and the temperature control unit are arranged at intervals on the lower end surface of the heat conducting plate.

[0008] In a specific embodiment of the present invention, the output end of the air pump is arranged perpendicular to the bottom surface of the milk box, the first flow channel is arranged parallel to the straw, and the first flow channel is located in the milk box.

[0009] In a specific embodiment of the utility model, a shell is provided on the outside of the air pump, and an adjusting knob for controlling the voltage of the air pump is provided on the side of the shell.

[0010] In a specific embodiment of the utility model, the nozzle device includes an adapter and an output pipe, and a cavity is provided at one end of the adapter connected to the foaming cavity, and the inner diameter of the connection point between the cavity and the foaming cavity can be adjusted through the adapter.

[0011] In a specific embodiment of the present invention, the output tube is arranged perpendicular to the adapter, and a plurality of first sealing rings are arranged at the connection between the output tube and the adapter.

[0012] In a specific embodiment of the utility model, a connecting piece is further provided between the foaming core and the adapter, a second sealing ring is provided at the connection between the connecting piece and the foaming core, and a rotating chamber is provided at one end of the connecting piece close to the adapter.

[0013] In a specific embodiment of the present invention, a third sealing ring is provided at one end of the connecting member connected to the adapter.

[0014] In a specific embodiment of the present invention, a sealing member is provided at one end of the foaming core away from the nozzle device, and a third flow channel for connecting the first flow channel and the foaming cavity is provided inside the sealing member.

[0015] In a specific embodiment of the utility model, a frothing adjustment device is provided above the milk froth generating portion, the frothing adjustment device comprises a frothing adjustment knob, and a fourth sealing ring is provided at the connection between the frothing adjustment knob and the frothing core.

[0016] One of the above technical solutions of the utility model has at least one of the following advantages or beneficial effects:

[0017] The utility model utilizes an air pump and a first flow channel to blow air into the foaming chamber, thereby forming air pressure in the conical foaming chamber, and driven by the air pressure, the milk is brought into the foaming chamber through the straw at the gap between the milk box and the straw, and rolled and foamed in the foaming chamber under the action of the airflow, and finally outputted through the nozzle device, so there is no need for an external steam generating device, which saves the installation space of the utility model and further enriches the usage scenarios. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0019] Figure 1 It is an overall structural diagram of an embodiment of the utility model;

[0020] Figure 2 It is an exploded view of an embodiment of the utility model;

[0021] Figure 3 It is a side view of an embodiment of the utility model;

[0022] Figure 4 It is a cross-sectional view along the AA direction of an embodiment of the utility model. DETAILED DESCRIPTION

[0023] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals represent the same or similar elements or elements having the same or similar functions from beginning to end. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0024] In the description of the present invention, it should be understood that descriptions involving orientation, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are merely simplified descriptions for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0025] In the description of the present utility model, "several" means one or more, "more" means more than two, "greater than", "less than", "exceed" etc. are understood to exclude the number itself, and "above", "below", "within" etc. are understood to include the number itself. If there is a description of "first" or "second", it is only used for the purpose of distinguishing the technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0026] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, the features defined as "first" and "second" may explicitly or implicitly include one or more features.

[0027] In the description of the present utility model, it should be noted that, unless otherwise clearly stipulated and limited, the term "connection" should be understood in a broad sense. For example, it can be a fixed connection or a movable connection, a detachable connection or a non-detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection, or mutual communication; it can be a direct connection, or an indirect connection through an intermediate medium, and it can be internal connection between two elements, indirect connection, or an interactive relationship between two elements.

[0028] The following disclosure provides many different embodiments or examples for implementing different solutions of the present invention.

[0029] Reference Figures 1 to 4 As shown, an automatic milk frothing machine comprises a milk box 1 and a milk frothing generating part 2 arranged above the milk box 1, the milk frothing generating part 2 comprises a foaming core 21, a foaming cavity 211 is arranged in the foaming core 21, the foaming cavity 211 is conical, a nozzle device 3 is arranged at the end with a smaller inner diameter of the foaming cavity 211, the nozzle device 3 is communicated with the foaming cavity 211, a sealing member 7 is arranged at the end of the foaming core 21 away from the nozzle device 3, a second flow channel for communicating the first flow channel 5 and the foaming cavity 211 is arranged in the sealing member 7, a placement cavity for holding milk is arranged in the milk box 1, a straw 11 is also arranged in the milk box 1, a gap 12 is arranged between the end of the straw 11 away from the milk frothing generating part 2 and the bottom surface of the milk box 1, the gap 12 is used to use negative pressure to suck milk into the foaming cavity 211 after the milk is placed.

[0030] In one embodiment of the utility model, a steam generating part 4 is provided below the milk box 1, and the steam generating part 4 includes an air pump 41. A first flow channel 5 is further provided between the foaming chamber 211 and the steam generating part 4, and the output end of the air pump 41 is connected to the first flow channel 5. The foaming chamber 211 is communicated with the suction pipe 11 and the first flow channel 5 respectively. The output end of the air pump 41 is arranged perpendicular to the bottom surface of the milk box 1, and the first flow channel 5 is arranged parallel to the suction pipe 11. The first flow channel 5 is located in the milk box 1, and then the air pump 41 can be used to blow air into the foaming chamber 211 to form air pressure in the conical foaming chamber 211. Driven by the air pressure, milk is brought into the foaming chamber 211 through the suction pipe 11 at the gap 12 between the milk box 1 and the suction pipe 11, and rolled and foamed in the foaming chamber 211 under the action of the air flow, and finally the milk foam is output to the outside through the nozzle device 3, so that there is no need for an external steam generating device, saving the installation space of the automatic milk foaming machine.

[0031] In one embodiment of the utility model, a heating part 6 is provided between the milk box 1 and the steam generating part 4, and the heating part 6 includes a heating body 61, a heat conducting sheet 62 and a temperature control unit 63, wherein the temperature control unit 63 is an NTC temperature control sensor, and the heating body 61 is a PTC heater. The heating body 61 and the temperature control unit 63 are arranged at intervals on the lower end surface of the heat conducting sheet 62, and the heat conducting sheet 62 is arranged in close contact with the bottom surface of the milk box 1 to heat the milk when needed.

[0032] In one embodiment of the utility model, a shell 42 is provided on the outside of the air pump 41, and an adjustment knob 421 for controlling the voltage of the air pump 41 and a control panel for controlling the temperature of the temperature control unit 63 are provided on the side of the shell 42. The user can adjust the temperature according to his own needs, and can froth ice and hot milk at the same time; the user can also adjust the voltage of the air pump 41 through the control panel, thereby adjusting the size of the airflow, and then controlling the frothing effect of the milk foam.

[0033] The principle of the automatic milk frothing machine is that air pressure is formed by blowing air through the air pump 41, and the milk in the milk box 1 is sucked into the frothing chamber 211 through the straw 11 under the drive of the air pressure, and rolling foam is formed under the action of the airflow. The milk foam in the frothing chamber 211 flows out through the nozzle device 3 in the direction of the airflow in a saturated state.

[0034] In one embodiment of the utility model, the nozzle device 3 includes an adapter 31 and an output tube 32. The output tube 32 is arranged perpendicular to the adapter 31. The end of the adapter 31 connected to the foaming chamber 211 is provided with a cavity 311. The inner diameter of the connection between the cavity 311 and the foaming chamber 211 can be adjusted through the adapter 31, thereby adjusting the foaming rate. Two first sealing rings are provided at the connection between the output tube 32 and the adapter 31, which are used to improve the sealing performance of the nozzle device 3 of the automatic milk frothing machine.

[0035] In one embodiment of the utility model, a connecting piece 9 is further provided between the foaming core 21 and the adapter 31, a second sealing ring is provided at the connection between the connecting piece 9 and the foaming core 21, a rotating chamber for installing the adapter 31 is provided at one end of the connecting piece 9 close to the adapter 31, and a third sealing ring is provided at the end where the connecting piece 9 and the adapter 31 are connected, so as to ensure the overall sealing when outputting milk foam.

[0036] In one embodiment of the utility model, a foaming adjustment device 8 is provided above the milk foam generating part 2, and the foaming adjustment device 8 includes a foaming adjustment knob 81, and a fourth sealing ring is provided at the connection between the foaming adjustment knob 81 and the foaming core 21, and six bosses are provided at intervals at one end of the foaming adjustment knob 81 close to the foaming core 21, and two air holes are provided at intervals at the upper end of the foaming core 21. By rotating the foaming adjustment knob 81, the bosses can close or open the air holes, and the foaming rate can be adjusted under specific circumstances.

[0037] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. An automatic milk frothing machine, comprising a milk box (1) and a milk frothing generating unit (2) arranged above the milk box (1), characterized in that: A suction pipe (11) is provided in the milk box (1), and a gap (12) is provided between the end of the suction pipe (11) away from the milk foam generating part (2) and the bottom surface of the milk box (1). The milk foam generating part (2) comprises a foaming core (21), and a foaming cavity (211) is provided in the foaming core (21). The foaming cavity (211) is conical, and a nozzle device (3) is provided at the end of the foaming cavity (211) with a smaller inner diameter, and the nozzle device (3) is communicated with the foaming cavity (211). A steam generating part (4) is provided below the milk box (1), and the steam generating part (4) comprises an air pump (41). A first flow channel (5) is further provided between the foaming cavity (211) and the steam generating part (4), and the output end of the air pump (41) is connected to the first flow channel (5). The foaming cavity (211) is communicated with the suction pipe (11) and the first flow channel (5) respectively.

2. The automatic milk frother according to claim 1, characterized in that: A heating part (6) is provided between the milk box (1) and the steam generating part (4), the heating part (6) comprising a heating body (61), a heat conducting sheet (62) and a temperature control section (63), the heat conducting sheet (62) being arranged in close contact with the bottom surface of the milk box (1), the heating body (61) and the temperature control section (63) being arranged at intervals on the lower end surface of the heat conducting sheet (62).

3. The automatic milk frother according to claim 1, characterized in that: The output end of the air pump (41) is arranged perpendicular to the bottom surface of the milk box (1), the first flow channel (5) is arranged parallel to the straw (11), and the first flow channel (5) is located inside the milk box (1).

4. The automatic milk frother according to claim 3, characterized in that: A housing (42) is provided on the outside of the air pump (41), and an adjusting knob (421) for controlling the voltage of the air pump (41) is provided on the side of the housing (42).

5. The automatic milk frother according to claim 1, characterized in that: The nozzle device (3) comprises an adapter (31) and an output pipe (32); one end of the adapter (31) connected to the foaming cavity (211) is provided with a cavity body (311); the inner diameter of the connection point between the cavity body (311) and the foaming cavity (211) can be adjusted through the adapter (31).

6. The automatic milk frother according to claim 5, characterized in that: The output pipe (32) is arranged perpendicular to the adapter (31), and a plurality of first sealing rings are provided at the connection between the output pipe (32) and the adapter (31).

7. The automatic milk frother according to claim 5, characterized in that: A connecting piece (9) is further provided between the foaming core (21) and the adapter (31), a second sealing ring is provided at the connection between the connecting piece (9) and the foaming core (21), and a rotating chamber is provided at one end of the connecting piece (9) close to the adapter (31).

8. The automatic milk frother according to claim 7, characterized in that: A third sealing ring is provided at one end of the connecting piece (9) connected to the adapter (31).

9. The automatic milk frother according to claim 1, characterized in that: A sealing member (7) is provided at one end of the foaming core (21) away from the nozzle device (3), and a second flow channel for connecting the first flow channel (5) and the foaming cavity (211) is provided in the sealing member (7).

10. The automatic milk frother according to claim 1, characterized in that: A frothing adjustment device (8) is provided above the milk froth generating portion (2), the frothing adjustment device (8) comprising a frothing adjustment knob (81), and a fourth sealing ring is provided at the connection between the frothing adjustment knob (81) and the frothing core (21).

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