CN220403780U - Automatic milk frothing device for coffee machine - Google Patents
Automatic milk frothing device for coffee machine Download PDFInfo
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- CN220403780U CN220403780U CN202321526870.3U CN202321526870U CN220403780U CN 220403780 U CN220403780 U CN 220403780U CN 202321526870 U CN202321526870 U CN 202321526870U CN 220403780 U CN220403780 U CN 220403780U
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- milk
- air
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- coffee machine
- inlet
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- 235000013336 milk Nutrition 0.000 title claims abstract description 70
- 239000008267 milk Substances 0.000 title claims abstract description 70
- 210000004080 milk Anatomy 0.000 title claims abstract description 70
- 238000007789 sealing Methods 0.000 claims description 11
- 230000007246 mechanism Effects 0.000 claims description 8
- 229920001296 polysiloxane Polymers 0.000 claims description 5
- 230000000694 effects Effects 0.000 description 5
- 235000008939 whole milk Nutrition 0.000 description 5
- 239000006260 foam Substances 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 230000006872 improvement Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010009 beating Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002688 persistence Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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- Apparatus For Making Beverages (AREA)
Abstract
The utility model discloses an automatic milk frothing device for a coffee machine, which comprises a milk box, a milk box cover, a negative pressure valve, a steam pipe, an air pipe, a milk inlet pipe and a milk frothing pipe, wherein the milk box cover is arranged at the top of the milk box, the negative pressure valve is arranged in the milk box cover, a venturi chamber is formed in the negative pressure valve, one end of the steam pipe is connected with a first inlet of the venturi chamber, the other end of the steam pipe is connected with a steam outlet of the coffee machine, one end of the air pipe is connected with a second inlet of the venturi chamber, the other end of the air pipe is connected with an external space, one end of the milk inlet pipe is connected with a third inlet of the venturi chamber, the other end of the air pipe is inserted into the milk box, and an outlet of the venturi chamber is connected with the milk frothing pipe.
Description
Technical Field
The utility model relates to the technical field of coffee machines, in particular to an automatic milk frothing device for a coffee machine.
Background
Along with the improvement of the living standard of people, the use of the coffee machine becomes popular, and the coffee machine realizes the automatic control of the whole process of brewing coffee such as grinding, filling, brewing, removing residues and the like, thereby effectively improving the use experience of users for brewing coffee.
The existing coffee machine is generally provided with a milk frothing device for use, but the existing milk frothing device needs to be operated by hands, is time-consuming and labor-consuming, increases labor cost, is not ideal in milk frothing effect, and is poor in use experience of users.
Accordingly, there is a need for improvements to the milk frothing devices of existing coffee machines.
Disclosure of Invention
The utility model aims to solve at least one of the problems existing in the related art to a certain extent, and therefore, one aim of the utility model is to provide an automatic milk frothing device for a coffee machine, which has a simple structure, can automatically froth milk and has a good effect.
The above purpose is achieved by the following technical scheme:
the utility model provides an automatic milk bubble device of beating for coffee machine, includes milk case, milk case lid, negative pressure valve, steam pipe, air tube, advances milk pipe and milk bubble pipe, wherein the milk case lid set up in milk case top, the negative pressure valve set up in the milk case lid form venturi cavity in the negative pressure valve, steam pipe one end with venturi cavity's first entry is connected, and the other end is used for being connected with coffee machine's steam outlet, air tube one end with venturi cavity's second entry is connected, and the other end is connected with the external space, advance milk tube one end with venturi cavity's third entry is connected, and the other end inserts the milk case inside, venturi cavity's export with milk bubble pipe is connected.
In some embodiments, connecting parts are respectively arranged at two sides of the negative pressure valve, and the negative pressure valve is detachably arranged on the top part in the milk box cover through the connecting parts.
In some embodiments, an intake air amount adjusting mechanism is provided at an intake end of the air pipe.
In some embodiments, the intake air amount adjustment mechanism includes an air adjustment valve, a profiled seal disposed within the air adjustment valve, and an air adjustment knob connected within the profiled seal.
In some embodiments, an air inlet groove extending along the axial direction is formed in the air adjusting knob, the width of the air inlet groove gradually increases from outside to inside, a spiral protrusion is arranged in the special-shaped sealing piece and is matched with the air inlet groove, and the contact position of the air inlet groove and the spiral protrusion is adjusted by rotating the air adjusting knob.
In some embodiments, a seal is disposed between the steam pipe and the first inlet of the venturi chamber.
In some embodiments, the air tube and the milk inlet tube are both silicone tubes.
Compared with the prior art, the utility model at least comprises the following beneficial effects:
1. the automatic milk frothing device for the coffee machine is simple in structure, can be used for frothing milk automatically and is good in effect.
Drawings
FIG. 1 is a schematic perspective view of an automatic frothing device in an embodiment;
FIG. 2 is an exploded schematic view of an automatic frothing device in an embodiment;
FIG. 3 is a first structural cross-sectional view of the automatic frothing device in the embodiment;
FIG. 4 is a first structural cross-sectional view of the automatic frothing device in an embodiment;
FIG. 5 is a schematic perspective view of a negative pressure valve in an embodiment;
FIG. 6 is a schematic perspective view of an air adjustment knob in an embodiment;
FIG. 7 is a schematic cross-sectional view of a profiled seal in an embodiment;
fig. 8 is a sectional view showing a third construction of the automatic milk frothing apparatus of the embodiment.
Detailed Description
The following examples illustrate the utility model, but the utility model is not limited to these examples. Modifications and equivalents of some of the technical features of the specific embodiments of the present utility model may be made without departing from the spirit of the present utility model, and they are all included in the scope of the claimed utility model.
Embodiment one: as shown in fig. 1 to 8, the present embodiment provides an automatic frothing device for a coffee machine, comprising a milk box 1, a milk box cover 2, a negative pressure valve 3, a steam pipe 4, an air pipe 5, a milk inlet pipe 6 and a frothing pipe 7, wherein the milk box cover 2 is arranged at the top of the milk box 1, the negative pressure valve 3 is arranged in the milk box cover 2, a venturi chamber 300 is formed in the negative pressure valve 3, one end of the steam pipe 4 is connected with a first inlet 301 of the venturi chamber 300, the other end is connected with a steam outlet of the coffee machine, one end of the air pipe 5 is connected with a second inlet 302 of the venturi chamber 300, the other end is connected with an external space, one end of the milk inlet pipe 6 is connected with a third inlet 303 of the venturi chamber 300, the other end is inserted into the milk box 1, and an outlet 304 of the venturi chamber 300 is connected with the frothing pipe 7.
The automatic milk frothing device for the coffee machine is simple in structure, capable of automatically frothing milk and good in effect.
The milk frothing device provided by the embodiment is an automatic steam milk frothing device, and the principle is that the venturi effect is utilized, the low pressure generated when steam flows at a high speed is utilized, full-fat milk is adsorbed into a low pressure cavity, meanwhile, a small part of air is introduced to be mixed with the low pressure cavity, and the mixture of the full-fat milk and the air is heated to a certain temperature by utilizing steam heat, so that a milk mixture with a certain foam is generated.
Specifically, the high-speed and high-temperature steam ejected from the steam outlet of the coffee machine enters the venturi chamber 300 through the first inlet 301, the whole milk in the milk box 1 is adsorbed into the venturi chamber 300 through the milk inlet pipe 6 by utilizing the low pressure generated when the steam flows at high speed, meanwhile, a small part of air is introduced into the air pipe 5 to be mixed with the whole milk, the mixture of the whole milk and the air is heated to a certain temperature by utilizing the heat of the steam, and the milk mixture with a certain foam is finally sent out through the milk foam pipe 7.
In this embodiment, be provided with connecting portion 31 respectively in negative pressure valve 3 both sides, through connecting portion 31 will negative pressure valve 3 detachably set up in on the top in the milk tank lid 2, its simple structure, reasonable in design, ingenious can conveniently dismantle negative pressure valve 3 and relevant annex and wash, do benefit to the user's that promotes the use experience.
Further, the air inlet end of the air pipe 5 is provided with the air inlet amount adjusting mechanism 8, and the air inlet amount adjusting mechanism is simple in structure, reasonable and ingenious in design, and the air amount entering the venturi chamber 300 is adjusted through the air inlet amount adjusting mechanism 8, so that the purpose of adjusting and controlling the size of milk foam is achieved, and further different use requirements of users are met.
In this embodiment, the intake air amount adjusting mechanism 8 includes an air adjusting valve 81, a special-shaped sealing member 82 and an air adjusting knob 83, wherein the special-shaped sealing member 82 is disposed in the air adjusting valve 81, and the air adjusting knob 83 is connected in the special-shaped sealing member 82, which has a simple structure and stable and reliable operation, and an intake air groove is formed in the air adjusting knob 83, and the intake air amount is adjusted by rotating the air adjusting knob 83.
Further, an air inlet groove 830 extending along an axial direction is formed on the air adjusting knob 83, the width of the air inlet groove 830 gradually increases from outside to inside, a spiral protrusion 820 is arranged in the special-shaped sealing member 82, the spiral protrusion 820 is matched with the air inlet groove 830, the contact position of the air inlet groove 830 and the spiral protrusion 820 is adjusted by rotating the air adjusting knob 83, and the contact positions of the air inlet groove 830 and the spiral protrusion 820 are different, so that the size of the contact section formed by the contact position is different, and the purpose of adjusting the air inflow is achieved.
Further, a sealing ring 9 is disposed between the steam pipe 4 and the first inlet 301 of the venturi chamber 300, which has a simple structure, reasonable design and ingenious design, so that the occurrence of air leakage can be avoided, and the working stability and reliability of the device can be improved to a certain extent.
Furthermore, the air pipe 5 and the milk inlet pipe 6 are made of silicone pipes, so that the cost of the silicone pipes is low, the silicone pipes have better ductility, and the stability and the persistence of air inlet or milk inlet are ensured.
What has been described above is merely some embodiments of the present utility model. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit of the utility model.
Claims (7)
1. An automatic milk frothing device for a coffee machine is characterized by comprising a milk box (1), a milk box cover (2), a negative pressure valve (3), a steam pipe (4), an air pipe (5), a milk inlet pipe (6) and a milk frothing pipe (7), wherein the milk box cover (2) is arranged at the top of the milk box (1), the negative pressure valve (3) is arranged in the milk box cover (2), a venturi chamber (300) is formed in the negative pressure valve (3), one end of the steam pipe (4) is connected with a first inlet (301) of the venturi chamber (300), the other end of the steam pipe (4) is connected with a steam outlet of the coffee machine, one end of the air pipe (5) is connected with a second inlet (302) of the venturi chamber (300), the other end of the air pipe (5) is connected with an external space, one end of the milk inlet pipe (6) is connected with a third inlet (303) of the venturi chamber (300), the other end of the air pipe is inserted into the milk box (1), and an outlet (304) of the venturi chamber (300) is connected with the milk frothing pipe (7).
2. An automatic frothing device for a coffee machine according to claim 1, characterized in that connecting portions (31) are provided on both sides of the negative pressure valve (3), respectively, by means of which connecting portions (31) the negative pressure valve (3) is detachably arranged on top in the milk box lid (2).
3. An automatic frothing device for a coffee machine according to claim 1, characterized in that an intake air amount adjusting mechanism (8) is provided at the intake end of the air duct (5).
4. An automatic frothing device for a coffee machine according to claim 3, characterized in that the intake air amount adjusting mechanism (8) comprises an air adjusting valve (81), a sealing member (82) and an air adjusting knob (83), wherein the sealing member (82) is arranged in the air adjusting valve (81), and the air adjusting knob (83) is connected in the sealing member (82).
5. An automatic frothing device for a coffee machine according to claim 4, characterized in that an air inlet groove (830) extending along the axial direction is provided on the air adjusting knob (83), the width of the air inlet groove (830) gradually increases from outside to inside, a spiral protrusion (820) is provided in the sealing member (82), the spiral protrusion (820) cooperates with the air inlet groove (830), and the contact position of the air inlet groove (830) and the spiral protrusion (820) is adjusted by rotating the air adjusting knob (83).
6. An automatic frothing device for a coffee machine according to any of the claims 1 to 5, characterized in that a sealing ring (9) is provided between the steam tube (4) and the first inlet (301) of the venturi chamber (300).
7. An automatic frothing device for a coffee machine according to any one of claims 1 to 5, characterized in that the air duct (5) and the milk inlet duct (6) are both made of silicone tubes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321526870.3U CN220403780U (en) | 2023-06-15 | 2023-06-15 | Automatic milk frothing device for coffee machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321526870.3U CN220403780U (en) | 2023-06-15 | 2023-06-15 | Automatic milk frothing device for coffee machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220403780U true CN220403780U (en) | 2024-01-30 |
Family
ID=89644666
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321526870.3U Active CN220403780U (en) | 2023-06-15 | 2023-06-15 | Automatic milk frothing device for coffee machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220403780U (en) |
-
2023
- 2023-06-15 CN CN202321526870.3U patent/CN220403780U/en active Active
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