CN109892984B - Anti-backflow liquid outlet nozzle of coffee machine - Google Patents
Anti-backflow liquid outlet nozzle of coffee machine Download PDFInfo
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- CN109892984B CN109892984B CN201910080394.9A CN201910080394A CN109892984B CN 109892984 B CN109892984 B CN 109892984B CN 201910080394 A CN201910080394 A CN 201910080394A CN 109892984 B CN109892984 B CN 109892984B
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- exhaust hole
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- 239000007788 liquid Substances 0.000 title claims abstract description 78
- 230000002093 peripheral effect Effects 0.000 claims description 12
- 230000000903 blocking effect Effects 0.000 claims description 5
- 230000002265 prevention Effects 0.000 claims 6
- 238000000926 separation method Methods 0.000 abstract description 3
- 235000013361 beverage Nutrition 0.000 description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 13
- 239000002775 capsule Substances 0.000 description 9
- 230000007774 longterm Effects 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 241001122767 Theaceae Species 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
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- Apparatus For Making Beverages (AREA)
Abstract
The utility model relates to a backflow-preventing liquid outlet nozzle of a coffee machine, which comprises an inner shell with a coffee supply channel and an exhaust hole, wherein the exhaust hole is positioned above the coffee supply channel and is characterized in that: the outer part of the inner shell is also sleeved and fixed with an outer shell, a secondary drainage channel is formed between the inner wall of the outer shell and the outer wall of the inner shell, the upper part of the secondary drainage channel is communicated with the coffee supply channel through the exhaust hole, the upper part of the outer shell is provided with an air outlet communicated with the secondary drainage channel, and the coffee fat liquid can flow out from the outlet end of the coffee supply channel and the outlet end of the secondary drainage channel for people to use, and the air is discharged from the exhaust hole, the secondary drainage channel and the air outlet in sequence. The secondary drainage channel plays a role in secondary gas-liquid separation, so that the splashing of the coffee fat liquid is effectively prevented, and meanwhile, the coffee fat liquid flows back and forth from the exhaust hole.
Description
Technical Field
The utility model relates to an accessory on a coffee machine or similar beverage extraction equipment, in particular to a backflow-preventing coffee machine liquid outlet nozzle for liquid (coffee fat liquid) to flow out.
Background
The coffee machine is one of beverage extracting devices and its structure includes water tank, extracting mechanism, boiler element, water pump, etc. When in use, the coffee bag containing the coffee powder is placed in the extraction machine part of the coffee machine, then the heated water is pumped into the chamber in the coffee machine for placing the coffee bag by using the water pump, the hot water flows through the coffee powder in the coffee bag, and the hot coffee flows into the cup from the water outlet channel of the coffee machine through the water outlet nozzle. The water outlet end structure (water outlet nozzle) of the existing coffee machine is basically the same, and the coffee fat liquid directly flows out through a water outlet nozzle part with a flow channel.
During use of the beverage preparation device, there are various situations in which the beverage liquid may splash. For example, when receiving a beverage, the beverage falls from a high place due to the fact that the beverage outlet is located at a relatively large distance from the bottom of the cup, and a splash situation occurs. When heating a beverage, such as coffee, gas is generated, and impact bubbles are generated at the outlet of the brewing system of the coffee machine due to the one-way valve; when water is lacking or the temperature is too high in the machine, a large amount of gas is formed in the machine, when the gas mixed beverage flows out together, spraying splashing can be generated at the liquid outlet part, or larger bubbles are formed, and the bubbles are broken to cause the messy splashing of the coffee, and meanwhile, the beverage can flow out intermittently, shake left and right and the like. In addition, in a beverage preparation apparatus using a capsule package such as a coffee capsule or a tea capsule, the capsule is usually filled with a fresh-keeping gas when the capsule is shipped. When the beverage is prepared, water is rapidly injected into the capsule from the tail part of the capsule due to the existence of gas in the capsule, the internal gas space is rapidly compressed, the pressure of the internal gas is rapidly increased, the sealing membrane at the outlet end of the capsule is suddenly broken (is opened by expansion) at a certain pressure value along with the continuous increase of the pressure, at the moment, the mixture of the beverage and the gas is rapidly extruded, and injection is formed at the water outlet nozzle, so that the coffee fat liquid is splashed everywhere.
In view of the foregoing, an utility model patent of patent No. 201721078962.4 (issued to publication No. CN 208211914U) discloses a splash-proof liquid outlet structure comprising a liquid outlet nozzle from which a prepared beverage flows out of the beverage preparation device and a liquid outlet chamber communicated with the brewing chamber, and is characterized in that: the lower part of the liquid outlet cavity is provided with a liquid hole which can enable beverage liquid to flow out, and the liquid outlet cavity is communicated with the liquid outlet nozzle through the liquid hole; the upper part of the liquid outlet cavity is provided with an air hole which can enable the air to flow out. The liquid and the gas are separated in the liquid outlet cavity, the liquid is discharged from the liquid hole at the lower part of the liquid outlet cavity and then flows out from the liquid outlet nozzle, and the gas flows out from the air hole at the upper part of the liquid outlet cavity, so that the gas and the liquid can be separated, and the liquid splashing caused by the fact that the gas and the liquid are mixed and discharged out of the liquid outlet nozzle is prevented.
However, in the actual use process, the structure has the defects that the quantity of coffee is too large or waste is accumulated after long-term use, the coffee flow channel is narrowed, the problem of backflow of coffee is generated, and the backflow of coffee overflows from the exhaust hole, so that the coffee in the machine leaks.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a liquid outlet nozzle of a coffee machine, which can prevent the splashing of the coffee fat liquid and simultaneously prevent the backflow of the coffee fat liquid from the air exhaust hole.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides a prevent coffee machine liquid outlet of backward flowing, includes the inner shell that has coffee supply channel and exhaust hole, the exhaust hole is located the top of coffee supply channel, is located its characterized in that: the outer part of the inner shell is also sleeved and fixed with an outer shell, a secondary drainage channel is formed between the inner wall of the outer shell and the outer wall of the inner shell, the upper part of the secondary drainage channel is communicated with the coffee supply channel through the exhaust hole, the upper part of the outer shell is provided with an air outlet communicated with the secondary drainage channel, and the coffee fat liquid can flow out from the outlet end of the coffee supply channel and the outlet end of the secondary drainage channel for people to use, and the air is discharged from the exhaust hole, the secondary drainage channel and the air outlet in sequence.
Preferably, the outlet ends of the coffee supply channel and the secondary drainage channel are arranged downward. Of course, it can also be arranged laterally.
Further improved, the inner shell has a connecting portion extending laterally for connection with the coffee machine, the inlet end of the coffee supply passage extends through the connecting portion, the outer shell is composed of a lower shell and a top cover, the connecting portion is pressed between the lower shell and the top cover, and the top cover is detachably connected to the top of the lower shell. The general liquid outlet mouth all has the connecting portion of horizontal extension, and this structure is with connecting portion setting on the inner shell, and the shell is by inferior valve and top cap detachable connection constitution simultaneously, suppresses connecting portion between inferior valve and top cap, and then realizes the relative fixation of shell and inner shell, and the equipment is fairly convenient.
The top cover is provided with an inner cavity, supporting ribs which are arranged in a crisscross manner are arranged in the inner cavity, the top cover is sleeved at the top of the inner shell, the small width part of the supporting ribs stretches into the upper end opening of the coffee supply channel, the bottom surface of the large width part of the supporting ribs is placed on the top surface of the inner shell, and the included angle part of the two supporting ribs and the inner wall of the upper end opening of the coffee supply channel form the exhaust hole.
As an improvement, the outer peripheral wall of the top cover is positioned in the inner hole wall of the lower shell and is arranged at intervals in a staggered mode, and a staggered gap between the outer peripheral wall of the top cover and the inner hole wall of the lower shell forms the air outlet. Because the exhaust hole is positioned in the top cover, the dislocation gap between the outer peripheral wall of the top cover and the inner hole wall of the lower shell is positioned outside the top cover, and thus, after the coffee fat liquid flows out from the exhaust hole, the coffee fat liquid can be ensured not to flow out from the exhaust hole under the blocking of the inner hole wall of the top cover.
Preferably, the small width portion of the rib contacts the inner wall of the upper opening of the coffee supply passage. The supporting ribs are mutually abutted with the inner wall of the upper end opening of the coffee supply channel, so that the top cover and the inner shell are firmly connected and are not easy to loosen.
And similarly, a plurality of limiting strips which are arranged along the circumference at intervals and extend outwards in the radial direction are arranged on the peripheral wall of the inner shell, and the limiting strips are in contact with the inner wall of the lower shell in the state that the lower shell is sleeved outside the inner shell. Therefore, the lower shell and the inner shell are firmly connected and are not easy to loosen. The limiting strips are arranged on the peripheral wall of the inner shell, so that the forming is facilitated, and the limiting strips can be arranged on the inner wall of the lower shell.
Preferably, the top cover is connected to the top of the lower case by means of a snap-fit connection. The assembly of each part is convenient by adopting a buckling mode.
Specifically, adopt following structure to realize buckle connection, the top of above-mentioned inferior valve is equipped with multiunit elastic foot that upwards extends, and every group has two elastic feet, constitutes the elasticity bayonet socket between the adjacent two elastic feet, be equipped with a plurality of card strips on the periphery wall of top cap, card strip buckle is in the elasticity bayonet socket.
Further improved, the coffee supply channel is provided with a necking buffer port near the outlet end, and a blocking rib is arranged in the buffer port. The buffer opening and the blocking ribs provide a larger flow path for separating gas from liquid, so that the gas-liquid separation effect is better, and meanwhile, the coffee fat liquid is prevented from flowing out of the outlet end of the coffee supply channel rapidly to cause splashing.
Compared with the prior art, the utility model has the advantages that: the liquid outlet nozzle is integrally formed by an outer shell and an inner shell, the outer shell is sleeved outside the inner shell, a secondary drainage channel is formed between the inner wall of the outer shell and the outer wall of the inner shell, the secondary drainage channel plays a role in secondary gas-liquid separation, when the liquid outlet nozzle works normally, after the coffee fat liquid enters the coffee supply channel, the coffee fat liquid flows out from the outlet end of the coffee supply channel, and gas is sequentially discharged from the exhaust hole, the secondary drainage channel and the gas outlet, so that the gas and the liquid are separated, and liquid splashing caused by mixing and discharging the gas and the liquid out of the liquid outlet nozzle is prevented; in addition, because of the excessive volume of coffee, or long-term use waste accumulation, when coffee supply channel narrows, the coffee fat liquid can have part to flow out from the exhaust hole, because of the setting of secondary drainage channel in this structure, the coffee fat liquid that flows out from the exhaust hole can not get into the coffee machine inside, but get into secondary drainage channel, part coffee fat liquid flows out from the exit end of coffee supply channel and supplies the people to use, and the coffee fat liquid that flows out from the exhaust hole then flows out from the exit end of secondary drainage channel and supplies the people to use, gas still discharges from exhaust hole, secondary drainage channel, gas outlet, prevents effectively that coffee fat liquid from flowing backward from the liquid mouth and getting into the coffee machine inside.
Drawings
FIG. 1 is a schematic perspective view of a first embodiment of the present utility model;
FIG. 2 is a schematic perspective view of a second embodiment of the present utility model;
FIG. 3 is an axial cross-sectional view of an embodiment of the present utility model;
FIG. 4 is an upper radial cross-sectional view of an embodiment of the present utility model; the method comprises the steps of carrying out a first treatment on the surface of the
FIG. 5 is an upper radial cross-sectional view of an embodiment of the present utility model;
FIG. 6 is an exploded perspective view of an embodiment of the present utility model;
fig. 7 is a schematic perspective view of a top cover according to an embodiment of the utility model.
Detailed Description
The utility model is described in further detail below with reference to the embodiments of the drawings.
As shown in fig. 1-7, is a first preferred embodiment of the present utility model.
A backflow-preventing coffee machine liquid outlet nozzle comprises an inner shell 1 with a coffee supply channel 2 and an exhaust hole 4, wherein the exhaust hole 4 is positioned above the coffee supply channel 2. A necking-shaped buffer port 21 is arranged in the coffee supply channel 2 near the outlet end, and a blocking rib 22 is arranged in the buffer port 21.
The outer part of the inner shell 1 is also sleeved and fixed with an outer shell 3, a secondary drainage channel 5 is formed between the inner hole wall of the outer shell 3 and the outer wall of the inner shell 1, and the outlet ends of the coffee supply channel 2 and the secondary drainage channel 5 are downward. The upper part of the secondary drainage channel 5 is communicated with the coffee supply channel 2 through the exhaust hole 4, the upper part of the shell 3 is provided with an air outlet 6 communicated with the secondary drainage channel 5, the coffee fat liquid can flow out from the outlet end of the coffee supply channel 2 and the outlet end of the secondary drainage channel 5 for people to use, and the air is discharged from the exhaust hole 4, the secondary drainage channel 5 and the air outlet 6 in sequence.
The inner housing 1 has a connecting portion 11 extending laterally for connection with the coffee maker, the inlet end of the coffee supply passage 2 extending through the connecting portion 11, the outer housing 3 being composed of a lower shell 31 and a top cover 32, the connecting portion 11 being pressed between the lower shell 31 and the top cover 32, the top cover 32 being detachably connected to the top of the lower shell 31.
The top cover 32 is provided with an inner cavity 321, a supporting rib 7 which is arranged in a crisscross manner is arranged in the inner cavity 321, the supporting rib 7 is in a T shape, the top cover 32 is sleeved at the top of the inner shell 1, the small-width part 71 of the supporting rib 7 stretches into the upper end opening of the coffee supply channel 2, and the small-width part 71 of the supporting rib 7 is in contact with the inner wall of the upper end opening of the coffee supply channel 2. The bottom surface of the large-width part 72 of the supporting rib 7 is placed on the top surface of the inner shell 1, so that a space is reserved between the top surface of the inner shell 1 and the inner top wall of the inner cavity 321, and further the included angle part of the two supporting ribs 7 and the inner wall of the upper opening of the coffee supply channel 2 form an exhaust hole 4.
The outer peripheral wall of the top cover 32 is positioned in the inner hole wall of the lower shell 31 and is arranged at intervals in a staggered manner, and a staggered gap between the outer peripheral wall of the top cover 32 and the inner hole wall of the lower shell 31 forms the air outlet 6.
The outer peripheral wall of the inner shell 1 is provided with a plurality of limit bars 12 which are arranged at intervals along the circumference and extend outwards in the radial direction, and the limit bars 12 are contacted with the inner wall of the lower shell 31 in the state that the lower shell 31 is sleeved outside the inner shell 1.
The top cover 32 is coupled to the top of the lower case 31 by means of a snap-fit. The top of the lower shell 31 is provided with a plurality of groups of elastic legs 311 extending upwards, each group is provided with two elastic legs 311, an elastic bayonet 312 is formed between two adjacent elastic legs 311, the peripheral wall of the top cover 32 is provided with a plurality of clamping strips 322, and the clamping strips 322 are buckled in the elastic bayonet 312.
When the coffee machine works normally, after the coffee fat liquid enters the coffee supply channel 2, the coffee fat liquid flows out from the outlet end of the coffee supply channel 2, and gas is sequentially discharged from the exhaust hole 4, the secondary drainage channel 5 and the gas outlet 6, so that the gas and the liquid are separated, and liquid splashing caused by mixing the gas and the liquid and discharging the liquid out of the liquid outlet is prevented.
When the coffee supply channel 2 is narrowed due to overlarge coffee quantity or long-term waste accumulation, part of the coffee fat liquid flows out from the exhaust hole 4, the coffee fat liquid flowing out from the exhaust hole 4 does not enter the coffee machine but enters the secondary drainage channel 5 due to the arrangement of the secondary drainage channel 5 in the structure, part of the coffee fat liquid flows out from the outlet end of the coffee supply channel 2 for use by people, the coffee fat liquid flowing out from the exhaust hole 4 flows out from the outlet end of the secondary drainage channel 5 for use by people, and gas is still discharged from the exhaust hole 4, the secondary drainage channel 5 and the gas outlet 6, so that the coffee fat liquid is effectively prevented from flowing back into the coffee machine from a liquid outlet.
It should be noted that, in the description of the present embodiment, the terms "front, rear", "left, right", "upper, lower", "inner, outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element to be referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Claims (8)
1. The utility model provides a prevent coffee machine liquid outlet of backward flowing, includes inner shell (1) that has coffee supply channel (2) and exhaust hole (4), exhaust hole (4) are located the top of coffee supply channel (2), are located its characterized in that: an outer shell (3) is sleeved and fixed outside the inner shell (1), a secondary drainage channel (5) is formed between the inner hole wall of the outer shell (3) and the outer wall of the inner shell (1), the upper part of the secondary drainage channel (5) is communicated with the coffee supply channel (2) through the exhaust hole (4), an air outlet (6) communicated with the secondary drainage channel (5) is arranged at the upper part of the outer shell (3), and the coffee fat liquid can flow out from the outlet end of the coffee supply channel (2) and the outlet end of the secondary drainage channel (5) for people to use, and the air is discharged from the exhaust hole (4), the secondary drainage channel (5) and the air outlet (6) in sequence; the inner shell (1) is provided with a connecting part (11) which extends laterally and is used for being connected with a coffee machine, the inlet end of the coffee supply channel (2) penetrates through the connecting part (11), the outer shell (3) is composed of a lower shell (31) and a top cover (32), the connecting part (11) is pressed between the lower shell (31) and the top cover (32), and the top cover (32) is detachably connected to the top of the lower shell (31); the outer peripheral wall of the top cover (32) is positioned in the inner hole wall of the lower shell (31) and is arranged in a staggered mode at intervals, and a staggered gap between the outer peripheral wall of the top cover (32) and the inner hole wall of the lower shell (31) forms the air outlet (6).
2. The backflow prevention coffee machine spout of claim 1 wherein: the outlet ends of the coffee supply channel (2) and the secondary drainage channel (5) are downwards arranged.
3. The backflow prevention coffee machine spout of claim 1 wherein: the top cover (32) is provided with an inner cavity (321), supporting ribs (7) which are arranged in a crisscross manner are arranged in the inner cavity (321), the supporting ribs (7) are in a T shape, the top cover (32) is sleeved at the top of the inner shell (1), the small width part (71) of each supporting rib (7) stretches into the upper end opening of the coffee supply channel (2), the bottom surface of the large width part (72) of each supporting rib (7) is placed on the top surface of the inner shell (1), and the included angle part of the two supporting ribs (7) and the inner wall of the upper end opening of the coffee supply channel (2) form the exhaust hole (4).
4. A backflow preventing coffee machine spout as claimed in claim 3, wherein: the small width part (71) of the supporting rib (7) is contacted with the inner wall of the upper end opening of the coffee supply channel (2).
5. The backflow prevention coffee machine spout of claim 1 wherein: the inner shell is characterized in that a plurality of limiting strips (12) which are arranged at intervals along the circumference and extend outwards in the radial direction are arranged on the peripheral wall of the inner shell (1), and the limiting strips (12) are in contact with the inner wall of the lower shell (31) when the lower shell (31) is sleeved outside the inner shell (1).
6. The backflow prevention coffee machine spout of claim 1 wherein: the top cover (32) is connected to the top of the lower shell (31) in a buckling manner.
7. The backflow prevention coffee machine spout of claim 6 wherein: the top of inferior valve (31) is equipped with multiunit elastic foot (311) that upwards extend, and every group has two elastic feet (311), constitutes elasticity bayonet socket (312) between two adjacent elastic feet (311), be equipped with a plurality of card strips (322) on the periphery wall of top cap (32), card strip (322) buckle is in elasticity bayonet socket (312).
8. The backflow prevention coffee machine spout of claim 1 wherein: a necking buffer port (21) is arranged in the coffee supply channel (2) near the outlet end, and a blocking rib (22) is arranged in the buffer port (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910080394.9A CN109892984B (en) | 2019-01-28 | 2019-01-28 | Anti-backflow liquid outlet nozzle of coffee machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910080394.9A CN109892984B (en) | 2019-01-28 | 2019-01-28 | Anti-backflow liquid outlet nozzle of coffee machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109892984A CN109892984A (en) | 2019-06-18 |
| CN109892984B true CN109892984B (en) | 2023-11-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910080394.9A Active CN109892984B (en) | 2019-01-28 | 2019-01-28 | Anti-backflow liquid outlet nozzle of coffee machine |
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|---|---|---|---|---|
| CN202312895U (en) * | 2011-12-02 | 2012-07-11 | 珠海格力电器股份有限公司 | Exhaust structure of pressure cooker and pressure cooker with same |
| CN104188534A (en) * | 2014-03-13 | 2014-12-10 | 泛世开发所有限公司 | Manufacturing machine of brewing beverage |
| CN104223952A (en) * | 2014-09-16 | 2014-12-24 | 宁波寅通机械有限公司 | Direct drinking machine |
| CN205083284U (en) * | 2015-11-07 | 2016-03-16 | 边江 | Instant heating water dispenser faucet |
| CN105982549A (en) * | 2015-02-05 | 2016-10-05 | 佛山市顺德区美的电热电器制造有限公司 | Tea boiling cup |
| CN206621291U (en) * | 2016-12-19 | 2017-11-10 | 浙江绍兴苏泊尔生活电器有限公司 | Cup cover and food processor |
| CN207023935U (en) * | 2017-03-07 | 2018-02-23 | 佛山市云米电器科技有限公司 | Twin channel outlet water nozzle |
| CN108309051A (en) * | 2018-03-29 | 2018-07-24 | 佛山市顺德区美的饮水机制造有限公司 | Water nozzle component and drinking device |
| CN210300686U (en) * | 2019-01-28 | 2020-04-14 | 宁波三A集团电器有限公司 | Coffee machine liquid outlet nozzle capable of preventing backflow |
-
2019
- 2019-01-28 CN CN201910080394.9A patent/CN109892984B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202312895U (en) * | 2011-12-02 | 2012-07-11 | 珠海格力电器股份有限公司 | Exhaust structure of pressure cooker and pressure cooker with same |
| CN104188534A (en) * | 2014-03-13 | 2014-12-10 | 泛世开发所有限公司 | Manufacturing machine of brewing beverage |
| CN104223952A (en) * | 2014-09-16 | 2014-12-24 | 宁波寅通机械有限公司 | Direct drinking machine |
| CN105982549A (en) * | 2015-02-05 | 2016-10-05 | 佛山市顺德区美的电热电器制造有限公司 | Tea boiling cup |
| CN205083284U (en) * | 2015-11-07 | 2016-03-16 | 边江 | Instant heating water dispenser faucet |
| CN206621291U (en) * | 2016-12-19 | 2017-11-10 | 浙江绍兴苏泊尔生活电器有限公司 | Cup cover and food processor |
| CN207023935U (en) * | 2017-03-07 | 2018-02-23 | 佛山市云米电器科技有限公司 | Twin channel outlet water nozzle |
| CN108309051A (en) * | 2018-03-29 | 2018-07-24 | 佛山市顺德区美的饮水机制造有限公司 | Water nozzle component and drinking device |
| CN210300686U (en) * | 2019-01-28 | 2020-04-14 | 宁波三A集团电器有限公司 | Coffee machine liquid outlet nozzle capable of preventing backflow |
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| Publication number | Publication date |
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| CN109892984A (en) | 2019-06-18 |
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