Milk box foaming structure for coffee machine

By designing a detachable milk inlet component and air vent in the milk tank foaming structure of the coffee machine, the problem of milk residue formation in the mixing air passage is solved, achieving convenient cleaning and high-quality foaming effect.

CN223569149UActive Publication Date: 2025-11-21ZHONGSHAN CITY O BEKO ELECTRICAL APPLIANCES
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Patent Information

Application Number
CN202422473037.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-12
Publication Date
2025-11-21
Estimated Expiration
2034-10-12

AI Technical Summary

Technical Problem

In existing coffee machine milk frothing devices, the milk and air mix in the mixing channel too far inwards, causing milk residue to form that is difficult to clean, affecting the frothing effect and potentially breeding bacteria.

Method used

A milk box foaming structure is designed so that the air-milk mixing position is located on the outside, and the mixing air passage can be cleaned through a detachable milk inlet component, including a buckle device between the air passage and the milk inlet component, which facilitates user cleaning.

Benefits of technology

It effectively reduces milk residue formation, enhances user experience, and ensures the cleanliness of the mixing air passages and foaming effect.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of coffee making equipment, in particular to a milk box foaming structure for a coffee machine. The device comprises a main body, a steam inlet assembly, an air inlet assembly and a milk inlet assembly, the main body is provided with a steam connector, an air inlet connector, a milk inlet connector and a mixed air channel, the steam connector is communicated with the mixed air channel, the milk inlet connector is communicated with the mixed air channel, the steam inlet assembly is communicated with the steam connector, and the air inlet assembly is communicated with the air inlet connector. An air ventilation part is arranged on the inner side of the milk inlet assembly body, an air inlet of the air ventilation part is communicated with the air inlet connector, an air outlet of the air ventilation part is communicated with the milk inlet connector through the milk inlet assembly body, the milk inlet assembly body comprises a milk inlet pipe, a metal pipe is arranged in the milk inlet pipe body, and a milk passing channel is formed in the metal pipe body. After the technical scheme is adopted, the position where air and milk are mixed is arranged at the position relatively close to the outside of the mixing air channel, and the milk feeding assembly is detachable, so that a user can conveniently wash and foam milk after the milk foam is beaten; the interior of the mixed air channel can be cleaned only by dismounting the milk inlet assembly to directly wash the mixed air channel or injecting water flow into the air inlet assembly to wash the mixed air channel, and milk dirt is reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to coffee preparation equipment technical field, specifically point to a kind of milk tank foaming structure for coffee machine. BACKGROUND

[0002] With the improvement of people's living standards, coffee has become one of the indispensable drinks in life, especially the Italian coffee with whipped milk is loved by people, and different proportions of whipped milk can be added to produce different varieties of Italian coffee. The current milk whipping device mixes milk and air in the mixing air duct, which is relatively close to the inside, and cannot be cleaned by disassembling the related components, which can cause the formation of milk scale, affect the foaming effect of the product, and easily breed bacteria to affect the user experience. SUMMARY

[0003] The utility model aims at providing a milk tank foaming structure for coffee machine which can disassemble and clean the inside of the mixing air duct.

[0004] The above object is achieved as follows.

[0005] A milk tank foaming structure for coffee machine, comprising a main body, a steam inlet assembly, an air inlet assembly and a milk inlet assembly, the main body is provided with a steam joint, an air inlet joint, a milk inlet joint and a mixing air duct, the steam joint is communicated with the mixing air duct, the milk inlet joint is communicated with the mixing air duct, the steam inlet assembly is communicated with the steam joint, and the air inlet assembly is communicated with the air inlet joint, characterized in that: a through-air part is arranged beside the milk inlet assembly, the air inlet of the through-air part is communicated with the air inlet joint, and the air outlet of the through-air part is communicated with the milk inlet joint through the milk inlet assembly.

[0006] The utility model can also be optimized by the following technical measures.

[0007] Preferably, the utility model further comprises a box body provided with a buckle ear at the bottom, and a buckle device is arranged around the milk inlet assembly, so that the buckle device can buckle the buckle ear when the milk inlet assembly is installed in the mixing air duct.

[0008] Preferably, the through-air part is a ventilation groove formed when the milk inlet assembly is connected with the mixing air duct.

[0009] After the above technical scheme is adopted, the position for mixing air and milk is arranged relatively close to the outside of the mixing air duct body, and the milk inlet assembly is detachable, which is convenient for users to flush, and after the milk foam is whipped, the mixing air duct can be directly flushed or flushed with water flow in the air inlet assembly to clean the inside of the mixing air duct, thereby reducing the formation of milk scale. BRIEF DESCRIPTION OF DRAWINGS

[0010] Figure 1It is an exploded view of the milk tank foaming structure.

[0011] Figure 2 It is a schematic view of the tank bottom and milk inlet assembly structure.

[0012] Figure 3 It is a schematic view of the milk tank foaming structure.

[0013] Figure 4 It is a schematic view of the internal structure of the milk tank foaming structure.

[0014] Figure 5 It is an A-A sectional view of the milk tank foaming structure.

[0015] Figure 6 It is a B-B sectional view of the milk tank foaming structure.

[0016] Figure 7 It is a schematic view of the milk tank foaming structure cooperating with the coffee machine.

[0017] Figure 8 It is a schematic view of the milk tank foaming structure cooperating with the coffee machine.

[0018] In the figure: main body 1, air inlet joint 11, steam joint 12, mixed gas channel 13, milk inlet joint 14, steam inlet assembly 2, air inlet assembly 3, milk inlet assembly 4, metal pipe 41, air passage 42, buckle device 43, tank 5, buckle ear 51, milk outlet assembly 6. DETAILED DESCRIPTION

[0019] The utility model will be further described below in combination with the drawings and specific embodiments.

[0020] In combination Figure 1 A milk tank foaming structure for a coffee machine, comprising a main body 1, a steam inlet assembly 2, an air inlet assembly 3, a milk inlet assembly 4 and a mixed gas channel 13, wherein the main body 1 is provided with a steam joint 12, an air inlet joint 11, a milk inlet joint 14 and the mixed gas channel 13, the steam joint 12 is in sealed communication with the mixed gas channel 13, the milk inlet joint 14 is in sealed communication with the mixed gas channel 13, the steam inlet assembly 2 is in sealed communication with the steam joint 12, the air inlet assembly 3 is in sealed communication with the air inlet joint 11,

[0021] The air passage 42 is provided beside the milk inlet assembly 4, and the specific shape of the air passage 42 is a gas passage formed when the milk inlet assembly 4 is in sealed connection with the mixed gas channel 13. The air inlet of the air passage 42 is in communication with the air inlet assembly 3, and the air outlet of the air passage 42 is in communication with the milk inlet joint 14 through the milk inlet assembly 4. The milk inlet assembly 4 is provided with a metal pipe 41 inside, the metal pipe 41 is provided with a milk passage inside, and the flow rate can be controlled when the milk is sucked into the mixed gas channel 13 through the through hole.

[0022] In combinationFigure 2 The box 5 is provided with a buckle ear 51 at the bottom, and the milk inlet assembly 4 is provided with a buckle device 43 around the periphery. When the milk inlet assembly 4 is installed to the mixing gas channel 13, the buckle device 43 clamps the buckle ear 51, and at this time, the milk inlet assembly 4 is fixedly installed on the box 5.

[0023] In combination Figures 4 to 6 , the gas enters from the air inlet assembly 3, reaches the air inlet joint 11 of the mixing gas channel 13, and then enters the air passing part 42 of the milk inlet assembly 4. At this time, the high-pressure steam is delivered into the mixing gas channel 13 by the steam inlet assembly 2, and the negative pressure is generated in the mixing gas channel 13. The air staying in the air passing part 42 of the milk inlet assembly 3 and the milk in the milk tank are sucked in, the air enters the milk inlet joint 14, mixes with the milk, is re-sucked into the mixing gas channel 13, and flows out from the milk outlet assembly 6.

[0024] In combination Figures 7 to 8 The milk tank foaming structure is used in combination with the coffee machine.

Claims

1. A milk tank foaming structure for a coffee machine, comprising a main body, a steam inlet assembly, an air inlet assembly, and a milk inlet assembly, wherein the main body is provided with a steam connector, an air inlet connector, a milk inlet connector, and a mixing air passage, the steam connector being connected to the mixing air passage, the milk inlet connector being connected to the mixing air passage, the steam inlet assembly being connected to the steam connector, and the air inlet assembly being connected to the air inlet connector, characterized in that: An air vent is provided next to the body of the milk inlet assembly. The air inlet of the air vent is connected to the air inlet connector, and the air outlet of the air vent is connected to the milk inlet connector through the milk inlet assembly.

2. The milk tank foaming structure for a coffee machine according to claim 1, characterized in that: It also includes a housing, with a latch at the bottom of the housing, and a snap-fit ​​device around the periphery of the milk inlet assembly. When the milk inlet assembly is installed into the mixing air passage, the snap-fit ​​device locks the latch.

3. The milk tank foaming structure for a coffee machine according to claim 1, characterized in that: The air vent is a venting groove formed when the milk inlet assembly is connected to the main body.