Milk foaming device

Abstract

The utility model relates to a milk foaming device which comprises a shell, a steam inlet pipe, an emulsifying chamber, an air adjusting valve, a milk inlet pipe, a milk outlet pipe, a cotter pin and an air adjusting knob, the emulsifying chamber is provided with a steam inlet, an air inlet, a milk inlet and a milk outlet, and an air outlet of the air adjusting valve is communicated with the air inlet. The steam inlet pipe is inserted into the steam inlet, one end of the milk inlet pipe is connected with the milk inlet in an inserted mode and communicated with the milk inlet, and one end of the milk outlet pipe is connected with the milk outlet in an inserted mode and communicated with the milk outlet. Then the air adjusting valve is separated from the emulsifying chamber, the air adjusting knob and the milk outlet pipe swing handle are pulled out along with the user, and finally the milk outlet pipe is taken out. Therefore, the steam inlet pipe, the emulsifying chamber, the milk inlet pipe and the milk outlet pipe are disassembled into single parts, and are easy to disassemble and convenient to fully clean.

Description

Technical Field

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

[0002] Frothed milk is a common companion to coffee. There are many ways to froth milk, and steam frothing is a common frothing method for coffee machines. Milk is a liquid that is very easy to mold and deteriorate. If the milk frothing device is not convenient to fully clean, it is easy to cause hygiene problems. The existing milk frothing device generally includes a shell, a steam inlet pipe, an emulsification chamber, an air regulating valve, a milk inlet pipe and a milk outlet pipe. The emulsification chamber and the air regulating valve are fixed to the shell by screws, which is very troublesome to disassemble, resulting in inconvenient cleaning of the emulsification chamber, the air regulating valve, the milk inlet pipe and the milk outlet pipe. Therefore, the structure of the existing milk frothing mechanism needs to be further improved. Utility Model Content

[0003] The utility model aims to provide a milk frothing device which is easy to disassemble and assemble and convenient to clean.

[0004] The purpose of the utility model is achieved in this way:

[0005] A milk frothing device comprises a shell, a steam air inlet pipe, an emulsifying chamber, an air regulating valve, a milk inlet pipe, a milk outlet pipe, a cotter pin and an air regulating knob, wherein the shell is provided with a mounting cavity, one side of the mounting cavity is provided with an opening, the emulsifying chamber is installed in the mounting cavity through the opening, the air regulating valve is arranged on the emulsifying chamber, the cotter pin passes through the emulsifying chamber and has an interference fit with the shell, the cotter pin locks the emulsifying chamber in the shell, the emulsifying chamber is provided with a steam inlet, an air inlet, a milk inlet port and a milk outlet port, the air outlet of the air regulating valve is connected with the air inlet, the steam air inlet pipe is inserted into the steam inlet, one end of the milk inlet pipe is plugged into and connected with the milk inlet port, one end of the milk outlet pipe is plugged into and connected with the milk outlet port, the air regulating knob is inserted into the shell, and the regulating rod of the air regulating knob is plugged into the air regulating valve.

[0006] The disassembly process of the milk frothing device of the utility model is as follows: the user first pulls out the milk inlet pipe, then pulls out the cotter pin, and then the steam inlet pipe and the emulsification chamber can be pulled out from the opening, and then the air adjustment valve is separated from the emulsification chamber, and then the user pulls out the air adjustment knob and the milk outlet pipe swing handle, and finally takes out the milk outlet pipe. Therefore, the steam inlet pipe, emulsification chamber, milk inlet pipe and milk outlet pipe of the utility model are disassembled into individual parts, and are easy to disassemble and convenient for full cleaning.

[0007] The present invention can also be further improved as follows.

[0008] The utility model also comprises a milk outlet pipe swing handle, which is inserted on the shell body, and a rotating rod of the milk outlet pipe swing handle is plugged with the milk outlet pipe.

[0009] A steam nozzle is arranged at the inner end of the steam inlet pipe, and the steam nozzle is arranged opposite to the milk outlet.

[0010] The split pin is inserted upwardly into the housing from the bottom of the housing.

[0011] The air inlet of the air regulating valve is located at the opening of the mounting cavity.

[0012] An air inlet groove is arranged on the inner side wall of the emulsification chamber, and the air inlet groove is connected with the air outlet and the emulsification cavity.

[0013] A first sealing ring is arranged between the outer wall of the steam inlet pipe and the inner wall of the emulsification chamber, a second sealing ring is arranged between the outer wall of the steam nozzle and the inner wall of the emulsification chamber, and a third sealing ring is arranged at the connection between the milk outlet pipe and the emulsification chamber.

[0014] The beneficial effects of the utility model are as follows:

[0015] The disassembly process of the milk frothing device of the utility model is as follows: the user first pulls out the milk inlet pipe, then pulls out the cotter pin, and then the steam inlet pipe and the emulsification chamber can be pulled out from the opening, and then the air regulating valve is separated from the emulsification chamber, and then the user pulls out the air regulating knob and the milk outlet pipe swing handle, and finally takes out the milk outlet pipe. Therefore, the steam inlet pipe, emulsification chamber, milk inlet pipe and milk outlet pipe of the utility model are disassembled into individual parts, and are easy to disassemble, convenient to fully clean, and clean. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 The utility model is a schematic structural diagram of a milk frothing device.

[0017] Figure 2 It is a cross-sectional view of the milk frothing device of the utility model.

[0018] Figure 3 It is an exploded view of the milk frothing device of the utility model.

[0019] Figure 4 yes Figure 2 Cross-sectional view at AA in the middle.

[0020] Figure 5 yes Figure 2 Cross-sectional view at the middle BB.

[0021] Figure 6 yes Figure 2 Cross-sectional view at CC.

[0022] Figure 7 yes Figure 2 Enlarged view of point D in the middle.

[0023] ( Figure 2 and Figure 7The arrows in the diagram indicate the direction of flow of steam, air or milk. Figure 7 The arrows in the figure indicate the direction of air flow. DETAILED DESCRIPTION

[0024] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0025] Embodiment 1, as Figures 1 to 7 As shown, a milk frothing device comprises a shell 19, a steam inlet pipe 11, an emulsifying chamber 12, an air regulating valve 13, a milk inlet pipe 14, a milk outlet pipe 15, a cotter pin 16, a milk outlet pipe swing handle 18 and an air regulating knob 17. The shell 19 is provided with a mounting cavity 36, one side of the mounting cavity 36 is provided with an opening 23, the air regulating valve 13 is provided on the emulsifying chamber 12, the emulsifying chamber 12 is installed in the shell 19 through the opening 23, the cotter pin 16 is inserted into the shell 19, the cotter pin 16 passes through the emulsifying chamber 12, and is interference fit with the shell 19, and the cotter pin 16 locks the emulsifying chamber 12 in the shell 1 9, a steam inlet 31, an air inlet 32, a milk inlet 33 and a milk outlet 34 are provided on the emulsifying chamber 12, the air outlet 22 of the air regulating valve 13 is communicated with the air inlet 32, the steam inlet pipe 11 is inserted into the steam inlet 31, one end of the milk inlet pipe 14 is plugged into and communicated with the milk inlet 33, one end of the milk outlet pipe 15 is plugged into and communicated with the milk outlet 34, the milk outlet pipe swing handle 18 is inserted into the housing 19, the rotating rod of the milk outlet pipe swing handle 18 is plugged into the milk outlet pipe 15, the air regulating knob 17 is inserted into the housing 19, and the regulating rod of the air regulating knob 17 is plugged into the air regulating valve 13.

[0026] As a more specific technical solution of the utility model.

[0027] A steam nozzle 35 is provided at the inner end of the steam inlet pipe 11 . The steam nozzle 35 is communicated with the emulsification cavity 37 of the emulsification chamber 12 . The steam nozzle 35 is arranged opposite to the milk outlet 34 .

[0028] The cotter pin 16 is inserted upwardly into the housing 19 from the bottom of the housing 19 .

[0029] The air inlet 21 of the air regulating valve 13 is located at the opening 23 of the mounting cavity 36 .

[0030] The inner side wall of the emulsification chamber 12 is provided with an air inlet groove 20, which communicates with the air outlet 22 and the emulsification cavity 37 of the emulsification chamber 12. Air enters the emulsification cavity 37 through the air inlet groove 20.

[0031] A first sealing ring 25 is provided between the outer wall of the steam inlet pipe and the inner wall of the emulsification chamber, a second sealing ring 26 is provided between the outer wall of the steam nozzle and the inner wall of the emulsification chamber, a third sealing ring 27 is provided at the connection between the milk outlet pipe and the emulsification chamber, and a fourth sealing ring 28 is provided at the connection between the milk inlet pipe and the milk inlet.

[0032] The disassembly process of the utility model is as follows: the user first pulls out the milk inlet pipe 14, and then pulls out the cotter pin 16, and then the steam inlet pipe and the emulsification chamber 12 can be pulled out from the opening 23, and then the air regulating valve 13 is separated from the emulsification chamber 12, and then the user pulls out the air regulating knob 17 and the milk outlet pipe swing handle 18, and finally takes out the milk outlet pipe 15.

[0033] The foaming process of the utility model is as follows: steam enters the emulsification chamber 12 through the steam inlet pipe 11, and milk is sucked into the emulsification chamber 12 through the milk inlet pipe under the action of the siphon principle. At the same time, air is also sucked into the emulsification cavity 37 of the emulsification chamber 12 through the air regulating valve 13 under the action of the siphon; milk and air are mixed into emulsified liquid (i.e. foamed milk) under the action of steam impulse. The utility model controls the ratio of milk to steam through the steam inlet pipe and the structural form of the emulsification chamber 12, and the air regulating valve 13 can control the air intake to a certain extent to adjust the fineness of the foaming.

Claims

1. A milk frothing device, comprising a housing, a steam inlet pipe, an emulsifying chamber, an air regulating valve, a milk inlet pipe, a milk outlet pipe, a cotter pin and an air regulating knob, characterized in that: An installation cavity is provided in the shell, and an opening is provided on one side of the installation cavity. The emulsifying chamber is installed in the installation cavity through the opening. The air regulating valve is provided on the emulsifying chamber. The cotter pin passes through the emulsifying chamber and is interference fit with the shell. The cotter pin locks the emulsifying chamber in the shell. A steam inlet, an air inlet, a milk inlet and a milk outlet are provided on the emulsifying chamber. The air outlet of the air regulating valve is connected with the air inlet. The steam inlet pipe is inserted on the steam inlet. One end of the milk inlet pipe is plugged and connected with the milk inlet. One end of the milk outlet pipe is plugged and connected with the milk outlet. The air regulating knob is inserted on the shell, and the adjusting rod of the air regulating knob is plugged with the air regulating valve.

2. The milk frothing device according to claim 1, characterized in that: It also comprises a milk outlet pipe swing handle, which is inserted on the shell body, and a rotating rod of the milk outlet pipe swing handle is plugged into the milk outlet pipe.

3. The milk frothing device according to claim 1, characterized in that: A steam nozzle is arranged at the inner end of the steam inlet pipe, and the steam nozzle is arranged opposite to the milk outlet.

4. The milk frothing device according to claim 1, characterized in that: The split pin is inserted upwardly into the housing from the bottom of the housing.

5. The milk frothing device according to claim 1, characterized in that: The air inlet of the air regulating valve is located at the opening of the mounting cavity.

6. The milk frothing device according to claim 1, characterized in that: An air inlet groove is arranged on the inner side wall of the emulsification chamber, and the air inlet groove is connected with the air outlet and the emulsification cavity.

7. The milk frothing device according to claim 3, characterized in that: A first sealing ring is provided between the outer wall of the steam inlet pipe and the inner wall of the emulsification chamber, a second sealing ring is provided between the outer wall of the steam nozzle and the inner wall of the emulsification chamber, a third sealing ring is provided at the connection between the milk outlet pipe and the emulsification chamber, and a fourth sealing ring is provided at the connection between the milk inlet pipe and the milk inlet.

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