Air tap for steam milk foam machine

Abstract

The utility model relates to the technical field of steam milk foam machines, in particular to an air tap for a steam milk foam machine. The air tap comprises an air tap body installed on the steam milk foam machine, a plurality of air outlet holes are formed in the side portion of the air tap body, and the air outlet holes are formed obliquely downwards in the tangential direction of a cavity of the air tap body. High-speed steam sprayed from the air outlet hole disturbs the liquid to form vortex; the distance between the air outlet hole and the end of the air tap body is different, and vortexes of different heights are formed. According to the steam milk foam machine, through the arrangement of the air outlet holes inclined in the tangential direction and the air outlet holes with different heights, the eddy current effect and the multi-layer eddy current structure are used for enhancing the mixing and stirring effect in liquid, the heating efficiency and the foam generation quality are improved, the performance of the steam milk foam machine is improved, and better use experience is provided for a user.

Description

Technical Field

[0001] The utility model relates to the technical field of steam milk frothers, and particularly relates to a gas nozzle for a steam milk frother. Background Art

[0002] The gas nozzle for a steam milk frother, as a key component for improving the heating efficiency during the preparation of steam milk frothers, optimizing the quality of foam generation, and significantly enhancing the user experience, has broad application prospects in the industry. In response to the challenges commonly encountered in current steam milk frothers during milk froth preparation, such as uneven heating, poor fineness of foam, and limited stirring effect, those skilled in the art have conducted in-depth exploration and technological innovation.

[0003] Although there is a nozzle structure disclosed in Chinese Patent CN113828432A, which shows certain effects in specific fields (such as the treatment of halogen-containing organic waste) through its uniquely designed through holes, inverted conical groove surfaces, and steam rotary injection mechanism, in the application scenario of steam milk frothers, this solution does not directly address the core problems in milk froth preparation. Specifically, during the preparation process of existing steam milk frothers, there are generally problems such as the formation of turbulent flow during heating that cannot form milk foam, or the generated foam is not fine enough, and the stirring force is insufficient to fully mix the milk liquid, which directly restricts the final taste and quality of the milk foam. Summary of the Utility Model

[0004] The technical problem to be solved by the utility model is: to overcome the deficiencies of the prior art and provide a gas nozzle for a steam milk frother.

[0005] The technical solution adopted by the utility model is as follows:

[0006] A gas nozzle for a steam milk frother includes a nozzle body installed on the steam milk frother. A plurality of air outlet holes are provided on the side of the nozzle body, and the opening direction of the air outlet holes is inclined downward along the tangent direction of the cavity of the nozzle body; the high-speed steam ejected from the air outlet holes disturbs the liquid to form a vortex; the air outlet holes are at different heights from the end of the nozzle body, forming vortices at different heights.

[0007] This technical solution enhances the mixing and stirring effects inside the liquid by means of the air outlet holes inclined in the tangential direction and the layout of air outlet holes at different heights, utilizes the eddy current effect and the multi-layer eddy current structure to improve the heating efficiency and the quality of foam generation, not only improves the performance of the steam milk frother, but also provides a better user experience for users. Specifically, the air outlet holes are inclined downward along the tangential direction of the cavity of the nozzle body, so that the high-speed steam ejected from the air outlet holes can enter the liquid along the tangential direction; according to the principle of fluid mechanics, when the steam enters the static or low-speed flowing liquid in the tangential direction, a rotating eddy current will be formed inside the liquid, and the formation of the eddy current is used to enhance the mixing and stirring effects inside the liquid; the high-speed jet of steam not only brings momentum, but also transfers energy to the liquid, so that the liquid is quickly heated and foamed; the formation of the eddy current promotes the heat exchange and mass exchange between the steam and the liquid, improves the heating efficiency and the uniformity of foam generation; the air outlet holes are at different heights from the end of the nozzle body, which means that the steam will enter the liquid from different horizontal planes, forming multiple layers of eddy currents. The multi-layer eddy current structure can more comprehensively cover the liquid surface and the inside, ensure that the liquid is heated evenly, and the foam generated is more delicate and rich; the eddy currents at the same height will interact with each other, generating more complex flow patterns, thereby enhancing the mixing effect inside the liquid, reducing the temperature gradient during the heating process, improving the overall heating efficiency, and making the texture of the foam more uniform; through the reasonable layout and inclination angle of the air outlet holes, the nozzle can efficiently utilize the energy of the steam and convert it into the heating and stirring effects on the liquid, not only improving the heating efficiency of the steam milk frother, but also improving the quality of foam generation. At the same time, when the air outlet hole is located at the bottom of the nozzle, the gas is directly ejected downward, which is easy to form strong turbulence and eddy currents at the outlet. The unstable flow pattern will intensify the vibration of air molecules, thus generating relatively large noise; in contrast, when the air outlet hole is located on the side of the nozzle, the jet direction of the gas is no longer straight downward, but oblique or lateral, which is used to disperse the flow energy of the gas and reduce the intensity of turbulence and eddy currents formed at the outlet. Therefore, the vibration of air molecules is weakened and the noise is also reduced.

[0008] In addition, the nozzle for the steam milk frother proposed above according to the present invention further has the following additional technical features:

[0009] According to an embodiment of the present invention, the air outlet holes are evenly distributed on the side of the nozzle body, and the interval angles between adjacent air outlet holes are the same.

[0010] This technical solution optimizes the steam distribution through the air outlet holes evenly distributed on the side of the nozzle body and having the same adjacent interval angles, and improves the quality and efficiency of milk froth making.

[0011] According to an embodiment of the present invention, at least one air outlet hole is provided at the height where the air outlet holes are located; the adjacent air outlet holes are arranged in a staggered manner at different heights.

[0012] This technical solution enhances the dispersion effect of steam by setting air outlets at at least one height and staggering adjacent air outlets at different heights, ensuring that the milk foam is finer and more uniform.

[0013] According to an embodiment of the present invention, the depth of the air outlet is greater than the floating height of the liquid after backflow when the steam milk frother stops, ensuring that the liquid cannot enter the cavity of the nozzle body.

[0014] This technical solution effectively prevents the liquid from backflowing into the cavity of the nozzle body and polluting the steam in the cavity by ensuring that the depth of the air outlet is greater than the possible floating height of the liquid after the steam milk frother stops.

[0015] According to an embodiment of the present invention, an opening for installing a sensor is provided at the end of the nozzle body.

[0016] This technical solution provides an opening for installing a sensor at the end of the nozzle body to achieve intelligent monitoring and control, improving the operation convenience and safety of the steam milk frother.

[0017] According to an embodiment of the present invention, an internal thread that matches the steam milk frother is provided on the inner side of the top of the cavity of the nozzle body.

[0018] This technical solution aims to ensure a firm connection between the nozzle and the milk frother through the internal thread, improving the sealing performance and use stability.

[0019] According to an embodiment of the present invention, the cross-sectional shape of the nozzle body is a regular geometric shape, and the regular geometric shapes include a circle, a rectangle, a triangle, a pentagon, etc.

[0020] This technical solution makes the cross-sectional shape of the nozzle body a regular geometric shape (such as a circle, a rectangle, a triangle, a pentagon, etc.) to improve the structural strength of the nozzle, and at the same time facilitate processing and manufacturing and standardized production.

[0021] According to an embodiment of the present invention, the cross-sectional shape of the air outlet is a regular geometric shape, and the regular geometric shapes include a circle, a rectangle, a triangle, a pentagon, etc.

[0022] This technical solution also makes the cross-sectional shape of the air outlet a regular geometric shape (such as a circle, a rectangle, a triangle, a pentagon, etc.) to optimize the steam outflow pattern, improve the uniformity and taste of the milk foam, and at the same time enhance the durability and easy cleaning of the air outlet.

[0023] Compared with the prior art, the present invention has the following beneficial effects:

[0024] (1)Through the air outlet holes inclined in the tangential direction, the steam can form a vortex effect, reduce noise, enhance the mixing and stirring inside the liquid, and significantly improve the heating efficiency; the multi-level vortex structure ensures uniform heating of the liquid, makes the foam generation more delicate and rich, and improves the taste and quality of the milk foam.

[0025] (2)The depth of the air outlet holes is greater than the possible floating height of the liquid after the steam milk frother stops, effectively preventing the liquid from being sucked back into the cavity of the nozzle body and avoiding backflow pollution and potential safety hazards.

[0026] (3)The uniformly distributed air outlet holes on the side of the nozzle body and the staggered air outlet holes with different heights optimize the distribution of the steam, improve the quality and efficiency of milk foam production; the sensor opening at the end of the nozzle body makes it possible to achieve intelligent monitoring and control, and improves the operation convenience of the steam milk frother. Description of the Drawings

[0027] Figure 1 is the perspective view of the present utility model.

[0028] Figure 2 is one of the sectional views of the present utility model.

[0029] Figure 3 is the second sectional view of the present utility model.

[0030] Figure 4 is the third sectional view of the present utility model.

[0031] In the figure: 1. Nozzle body; 2. Air outlet hole; 21. Hole Ⅰ; 22. Hole Ⅱ; 23. Hole Ⅲ; 24. Hole Ⅳ; 3. Cavity; 4. End; 5. Opening. Detailed Embodiments

[0032] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model with reference to the accompanying drawings in the embodiments of the present utility model. Apparently, the described embodiments are some, but not all, of the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0033] Embodiment 1

[0034] As Figures 1 to 4 shown, this embodiment provides a nozzle for a steam milk frother, which includes a nozzle body 1 installed on the steam milk frother. A plurality of air outlet holes 2 are provided on the side of the nozzle body 1. The opening direction of the air outlet holes 2 is inclined downward along the tangential direction of the cavity 3 of the nozzle body 1; the high-speed steam ejected from the air outlet holes 2 disturbs the liquid to form a vortex; the air outlet holes 2 are at different heights from the end 4 of the nozzle body 1, forming vortices at different heights.

[0035] As Figures 1 to 4 shown, this technical solution enhances the mixing and stirring effects inside the liquid by means of the air outlet holes 2 that are inclined in the tangential direction and the layout of the air outlet holes 2 at different heights, utilizes the eddy current effect and the multi-level eddy current structure to improve the heating efficiency and the quality of foam generation, not only improves the performance of the steam milk frother, but also provides a better user experience for users. Specifically, the air outlet holes 2 are arranged to incline downward along the tangential direction of the cavity 3 of the nozzle body 1, so that the high-speed steam ejected from the air outlet holes 2 can enter the liquid along the tangential direction; according to the principle of fluid mechanics, when the steam enters the static or low-speed flowing liquid in the tangential direction, a rotating eddy current will be formed inside the liquid, and the formation of the eddy current is used to enhance the mixing and stirring effects inside the liquid; the high-speed jet of the steam not only brings momentum, but also transfers energy to the liquid, so that the liquid is quickly heated and generates foam; the formation of the eddy current promotes the heat exchange and mass exchange between the steam and the liquid, improves the heating efficiency and the uniformity of foam generation; the air outlet holes 2 have different heights from the end 4 of the nozzle body 1, which means that the steam will enter the liquid from different horizontal planes, forming multiple levels of eddy currents. The multi-level eddy current structure can more comprehensively cover the liquid surface and inside, ensure that the liquid is heated evenly, and the foam generation is more delicate and rich; the eddy currents at the same height will interact with each other, generating more complex flow patterns, thereby enhancing the mixing effect inside the liquid, reducing the temperature gradient during the heating process, improving the overall heating efficiency, and making the texture of the foam more uniform; through the reasonable layout and inclination angle of the air outlet holes 2, the nozzle can efficiently utilize the energy of the steam and convert it into the heating and stirring effects on the liquid, not only improving the heating efficiency of the steam milk frother, but also improving the quality of foam generation. At the same time, when the air outlet hole is located at the bottom of the nozzle, the gas is directly ejected downward, which is easy to form strong turbulence and eddy currents at the outlet, and the unstable flow pattern will intensify the vibration of air molecules, thus generating greater noise; in contrast, when the air outlet hole is located on the side of the nozzle, the jet direction of the gas is no longer straight downward, but oblique or lateral, which is used to disperse the flow energy of the gas and reduce the intensity of turbulence and eddy currents formed at the outlet. Therefore, the vibration of air molecules is weakened and the noise is also reduced accordingly.

[0036] In addition, according to the above-mentioned nozzle for a steam milk frother of the present invention, the following additional technical features are also provided:

[0037] According to an embodiment of the present invention, the air outlet holes 2 are evenly distributed on the side of the nozzle body 1, and the interval angles between adjacent air outlet holes 2 are the same.

[0038] This technical solution optimizes the steam distribution and improves the quality and efficiency of milk froth production through the air outlet holes 2 that are evenly distributed on the side of the nozzle body 1 and have the same interval angle between adjacent ones.

[0039] According to an embodiment of the present utility model, at least one is provided at the height where the air outlet 2 is located; adjacent air outlets 2 are staggered at different heights.

[0040] In this technical solution, by providing the air outlet 2 at at least one height and staggering adjacent air outlets 2 at different heights. For example Figure 4 in, the air outlet 2 is composed of four holes with different heights, namely hole Ⅰ21, hole Ⅱ22, hole Ⅲ23, and hole Ⅳ24. The four holes are arranged in a spiral winding manner and are getting farther and farther away from the end 4. The four air outlets 2 spray obliquely downward at their respective heights, forming four different eddies to enhance the dispersion effect of the steam and ensure that the milk foam is more delicate and uniform.

[0041] According to an embodiment of the present utility model, the depth of the air outlet 2 is greater than the floating height after the liquid backflows after the steam milk frother stops, ensuring that the liquid cannot enter the cavity 3 of the nozzle body 1.

[0042] In this technical solution, by ensuring that the depth of the air outlet 2 is greater than the possible floating height of the liquid after the steam milk frother stops, it effectively prevents the liquid from backflowing into the cavity 3 of the nozzle body 1 and prevents the backflow from contaminating the steam in the cavity 3.

[0043] According to an embodiment of the present utility model, an opening 5 for installing a sensor is provided at the end 4 of the nozzle body 1.

[0044] In this technical solution, by providing an opening for installing a sensor at the end 4 of the nozzle body 1, it is used to realize intelligent monitoring and control, improving the operation convenience and safety of the steam milk frother.

[0045] According to an embodiment of the present utility model, an internal thread matching the steam milk frother is provided on the inner side of the top of the cavity 3 of the nozzle body 1.

[0046] In this technical solution, through the internal thread, it aims to ensure the firm connection between the nozzle and the milk frother, improving the sealing performance and use stability.

[0047] According to an embodiment of the present utility model, the cross-sectional shape of the nozzle body 1 is a regular geometric shape, and the regular geometric shape includes a circle, a rectangle, a triangle, a pentagon, etc.

[0048] In this technical solution, by making the cross-sectional shape of the nozzle body 1 a regular geometric shape (such as a circle, a rectangle, a triangle, a pentagon, etc.), it is used to improve the structural strength of the nozzle, and at the same time, it is convenient for processing and manufacturing and standardized production.

[0049] According to an embodiment of the present utility model, the cross-sectional shape of the air outlet 2 is a regular geometric shape, and the regular geometric shape includes a circle, a rectangle, a triangle, a pentagon, etc.

[0050] In this technical solution, the cross-sectional shape of the air outlet 2 is also a regular geometric shape (such as a circle, rectangle, triangle, pentagon, etc.), which is used to optimize the steam outflow pattern, improve the uniformity and taste of the milk foam, and at the same time enhance the durability and easy cleanability of the air outlet 2.

[0051] The usage process of the above embodiment is as follows:

[0052] As Figures 1 to 4 shown, during operation, steam enters through the nozzle body 1 and is ejected at high speed from the air outlet 2 that is inclined downward along the tangent direction from the side, and a vortex is generated in the liquid. The vortex not only enhances the mixing and stirring of the liquid, but also promotes the heat exchange between the steam and the liquid, enabling the liquid to be quickly heated and generate delicate foam; since the air outlets 2 are arranged at different heights, multi-level vortices are formed to ensure uniform heating of the liquid and more abundant and delicate foam generation; the reasonable layout and depth of the air outlets 2 prevent liquid backflow and ensure the cleanliness and safety of the device; the entire working process is efficient and stable, improving the performance of the steam milk frother.

[0053] Although the present invention has been described in detail by referring to the accompanying drawings and in combination with the preferred embodiments, the present invention is not limited thereto. Without departing from the spirit and essence of the present invention, those of ordinary skill in the art make various equivalent modifications or substitutions to the embodiments of the present invention, and these modifications or substitutions should all be within the scope of the present invention. / Any person familiar with the technical field of the present invention can easily think of changes or substitutions within the technical scope disclosed by the present invention, and all 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 claims.

Claims

1. A nozzle for a steam frother, characterized in that, It includes a nozzle body (1) installed on a steam frother. A number of air outlet holes (2) are provided on the side of the nozzle body (1). The opening direction of the air outlet holes (2) is inclined downward along the tangent direction of the cavity (3) of the nozzle body (1). The high-speed steam ejected from the air outlet holes (2) disturbs the liquid to form a vortex. The air outlet holes (2) are at different heights from the end (4) of the nozzle body (1), forming vortices at different heights.

2. The air nozzle of the steam frother according to claim 1, characterized in that, The air outlet holes (2) are evenly distributed on the side of the nozzle body (1), and the interval angles between adjacent air outlet holes (2) are the same.

3. The air nozzle for a steam milk frother according to claim 1 or 2, characterized in that, At least one air outlet hole (2) is provided at the height where the air outlet holes (2) are located. The adjacent air outlet holes (2) are arranged in a staggered manner at different heights.

4. The air nozzle of the steam frother according to claim 3, characterized in that, The depth of the air outlet holes (2) is greater than the floating height of the liquid after backflow after the steam frother stops, ensuring that the liquid cannot enter the cavity (3) of the nozzle body (1).

5. The air nozzle of the steam frother according to claim 1, characterized in that, An opening (5) for installing a sensor is provided at the end (4) of the nozzle body (1).

6. The air nozzle for a steam milk frother according to claim 1 or 5, characterized in that, Internal threads are provided on the inner side of the top of the cavity (3) of the nozzle body (1) for cooperation with the steam frother.

7. The air nozzle of the steam frother according to claim 6, characterized in that, The cross-sectional shape of the nozzle body (1) is a regular geometric shape, and the regular geometric shapes include a circle, a rectangle, a triangle, and a pentagon.

8. The air nozzle for a steam frother according to claim 1 or 4, characterized in that The cross-sectional shape of the air outlet holes (2) is a regular geometric shape, and the regular geometric shapes include a circle, a rectangle, a triangle, and a pentagon.

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