CN217066055U

CN217066055U - Air exhaust system and cold extraction coffee cup with same

Info

Publication number: CN217066055U
Application number: CN202123235065.9U
Authority: CN
Inventors: 黄成龙; 刘美燕; 李雪; 何向阳
Original assignee: Langfang Development District Liren Electric Appliance Co ltd
Current assignee: Langfang Development District Liren Electric Appliance Co ltd
Priority date: 2021-12-21
Filing date: 2021-12-21
Publication date: 2022-07-29
Anticipated expiration: 2031-12-21

Abstract

The utility model provides a pump drainage gas system and have its cold extraction coffee cup. The exhaust system includes: the air pump bracket is connected with the cup body assembly, a first side of the air pump bracket and the cup body assembly are enclosed to form a working cavity, and a second side far away from the first side of the air pump bracket forms an installation side; the air pump component is connected with the air pump bracket and comprises an air pump body, and the air pump body is provided with an air suction port and an air exhaust port; and the electromagnetic valve component is connected with the air pump support and is respectively communicated with the air suction port, the air exhaust port, the mounting side and the working cavity. By adopting the technical scheme, the air pumping and exhausting operation can be completed only by one air pump assembly and one electromagnetic valve assembly, the problem that an air pumping and exhausting system in the prior art is high in production cost is effectively solved, and the structure of the air pumping and exhausting system is simplified.

Description

Air exhaust system and cold extraction coffee cup with same

Technical Field

The utility model relates to a cold extraction coffee prepares equipment technical field, particularly, relates to a pump drainage gas system and have its cold extraction coffee cup.

Background

In the cold extraction coffee machine in the prior art, ice water or cold water is injected into the coffee machine or a refrigerating device is added to prepare cold extraction coffee, and a shell capacity cup is adopted for wrapping a machine head of the cold extraction coffee cup, so that the cold extraction coffee cup has multiple parts and a complex structure, is not convenient to carry about, wastes a shell made of glass, reduces the production efficiency and increases the production cost.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an exhaust system and have its cold extraction coffee cup to solve the high problem of exhaust system manufacturing cost among the prior art.

In order to achieve the above object, according to an aspect of the present invention, there is provided an exhaust system including: the air pump bracket is connected with the cup body assembly, a first side of the air pump bracket and the cup body assembly are enclosed to form a working cavity, and a second side far away from the first side of the air pump bracket forms an installation side; the air pump component is connected with the air pump bracket and comprises an air pump body, and the air pump body is provided with an air suction port and an air exhaust port; and the electromagnetic valve component is connected with the air pump support and is respectively communicated with the air suction port, the air exhaust port, the mounting side and the working cavity.

Further, the air pump assembly includes: the electromagnetic valve assembly is communicated with the air suction port through the air suction pipeline; the exhaust pipeline is communicated with the exhaust port, and the electromagnetic valve assembly is communicated with the exhaust port through the exhaust pipeline.

Furthermore, the electromagnetic valve assembly comprises an air suction side electromagnetic valve which is a three-way electromagnetic valve, the air suction side electromagnetic valve is connected with the air pump support, a first port of the air suction side electromagnetic valve is communicated with the working cavity, a second port of the air suction side electromagnetic valve is communicated with the air suction pipeline, and a third port of the air suction side electromagnetic valve is communicated with the installation side.

Further, the electromagnetic valve assembly further comprises an exhaust side electromagnetic valve, the exhaust side electromagnetic valve is a three-way electromagnetic valve and is connected with the air pump support, a fourth port of the exhaust side electromagnetic valve is communicated with the working cavity, a fifth port of the exhaust side electromagnetic valve is communicated with an exhaust pipeline, and a sixth port of the exhaust side electromagnetic valve is communicated with the installation side.

According to another aspect of the present invention, there is provided a cold extraction coffee cup, comprising an exhaust system for controlling the above, and an installation housing, wherein the cup body assembly comprises an inner cup assembly and an outer cup body; the mounting shell is connected with the mounting side of the air pump support and provided with a first accommodating cavity, and a ventilation space is formed between the mounting side and the cavity wall of the first accommodating cavity; the inner cup assembly is connected with the mounting shell, a working cavity is formed between the air pump support and the cavity wall of the inner cup assembly, and the air pump assembly is respectively communicated with the ventilation space and the working cavity; the outer cup body is detachably connected with the mounting shell, the outer cup body is positioned on the outer peripheral side of the inner cup assembly, and the inner surface of the outer cup body and the outer surface of the inner cup assembly are arranged at a distance.

Furthermore, the cold extraction coffee cup also comprises a backflow prevention assembly, the backflow prevention assembly comprises two oppositely arranged conductive contact pins, the first end of each conductive contact pin is connected with the air pump bracket, and the second end of each conductive contact pin extends towards the working cavity; when the liquid level of the inner cup assembly exceeds the height of the second end of the conductive contact pin, the two conductive contact pins are conducted.

Further, the inner cup assembly comprises: the first end of the ice bucket is detachably connected with the air pump bracket; a first coffee filter, a first end of the first coffee filter being connected to a second end of the ice bucket; the first end of the coffee barrel is connected with the second end of the first coffee filter disc; the bottom cover is connected with the second end of the coffee barrel, and a through hole communicated with the outer cup body is formed in the side wall of the bottom cover; a second coffee filter disposed within the bottom cover and located at an end of the second end of the coffee cartridge.

Further, the cold extraction coffee cup further comprises an electronic control assembly, and the electronic control assembly comprises: the circuit board is connected with the mounting shell and is electrically connected with the air suction side electromagnetic valve and the exhaust side electromagnetic valve; the display screen, the display screen is connected with the installation casing, display screen and circuit board electric connection.

Further, the first intracavity that holds still is provided with the power, has seted up charging socket on the installation casing, and charging socket is used for charging for the power, perhaps charging socket is used for being connected in order to carry out coffee extraction operation with the power cord.

Use the technical scheme of the utility model, the pump drainage gas system includes the air pump support, air pump assembly, solenoid valve subassembly, and adopt the break-make of the pipeline between solenoid valve subassembly control air pump assembly and the working chamber, make the air pump assembly can discharge the gas in the cup subassembly or fill the working chamber intercommunication with the air current of installation side, only need an air pump assembly and solenoid valve subassembly just can accomplish the operation of preparing simultaneously, the manufacturing cost of pump drainage gas system has been reduced, moreover, the overall structure of pump drainage gas system is less, the structure of pump drainage gas system has been simplified. By adopting the technical scheme, the problem that the production cost of the exhaust system in the prior art is high is effectively solved.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 shows an exploded structural schematic view of a first embodiment of a cold-extraction coffee cup according to the present invention;

figure 2 shows a schematic structural view of a second embodiment of a cold-extraction coffee cup according to the present invention;

fig. 3 shows a schematic construction of a first embodiment of an extraction and exhaust system according to the invention;

fig. 4 shows a schematic structural view of a second embodiment of an extraction and exhaust system according to the invention.

Wherein the figures include the following reference numerals:

11. installing a shell; 111. a charging jack; 12. an air pump bracket; 13. a first accommodating chamber; 14. a ventilation space; 15. a power source;

20. an inner cup assembly; 21. an ice bucket; 22. a first coffee filter; 23. a coffee bucket; 24. a bottom cover; 241. a through hole; 25. a second coffee filter; 26. a working chamber;

30. an air pump assembly; 31. an air pump body; 32. an air intake pipeline; 33. an exhaust line;

40. a solenoid valve assembly; 41. an air intake side solenoid valve; 411. a first port; 412. a second port; 413. a third port; 42. an exhaust-side electromagnetic valve; 421. a fourth port; 422. a fifth port; 423. a sixth port;

50. an outer cup body;

60. a backflow prevention assembly; 61. a conductive pin;

70. an electronic control assembly; 71. a circuit board; 72. a display screen;

80. a cup body assembly.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

Exemplary embodiments according to the present application will now be described in more detail with reference to the accompanying drawings. These exemplary embodiments may, however, be embodied in many different forms and should not be construed as limited to only the embodiments set forth herein. It is to be understood that these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the exemplary embodiments to those skilled in the art, in the drawings, it is possible to enlarge the thicknesses of layers and regions for clarity, and the same devices are denoted by the same reference numerals, and thus the description thereof will be omitted.

Referring to fig. 1 to 4, according to an embodiment of the present application, an exhaust system is provided.

The air pumping and exhausting system comprises an air pump bracket 12, an air pump assembly 30 and a solenoid valve assembly 40. The air pump support 12 is connected with the cup body assembly 80, a first side of the air pump support 12 and the cup body assembly 80 are enclosed to form a working chamber 26, and a second side far away from the first side of the air pump support 12 forms a mounting side. The air pump assembly 30 is connected to the air pump bracket 12, and the air pump assembly 30 includes an air pump body 31, and the air pump body 31 has an air inlet and an air outlet. The electromagnetic valve assembly 40 is connected with the air pump bracket 12, and the electromagnetic valve assembly 40 is respectively communicated with the air suction port, the air exhaust port, the mounting side and the working cavity 26.

Use the technical scheme of this application, the pump exhaust system includes air pump support 12, air pump assembly 30, solenoid valve assembly 40, and adopt the break-make of the pipeline between solenoid valve assembly 40 control air pump assembly 30 and the working chamber 26, make air pump assembly 30 can discharge the gas in the cup subassembly 80 or fill the air current of installation side into the working chamber 26 and communicate, only need one air pump assembly 30 and solenoid valve assembly 40 to accomplish simultaneously and prepare the operation, the manufacturing cost of pump exhaust system has been reduced, and pump exhaust system's overall structure is less, pump exhaust system's structure has been simplified. By adopting the technical scheme, the problem of high production cost of the pumping and exhausting system in the prior art is effectively solved.

The air pump assembly 30 includes an air intake line 32 and an air exhaust line 33. The suction line 32 communicates with the suction port, and the solenoid valve assembly 40 communicates with the suction port through the suction line 32. The exhaust line 33 communicates with the exhaust port, and the solenoid valve assembly 40 communicates with the exhaust port through the exhaust line 33. The arrangement enables the solenoid valve assembly 40 to control the on-off of the air suction pipeline 32 and the air exhaust pipeline 33 of the air pump assembly 30, and the air suction or the air exhaust of the air pump assembly 30 to the inner cup assembly 20 can be realized without arranging a plurality of air pump assemblies 30.

The solenoid valve assembly 40 includes a suction-side solenoid valve 41. The suction-side electromagnetic valve 41 is a three-way electromagnetic valve. The suction-side electromagnetic valve 41 is connected to the air pump bracket 12. The first port 411 of the intake-side solenoid valve 41 communicates with the working chamber 26. The second port 412 of the intake-side solenoid valve 41 communicates with the intake line 32. The third port 413 of the intake-side solenoid valve 41 communicates with the mounting side. The suction side electromagnetic valve 41 can automatically and rapidly control the opening or closing of the suction pipeline 32 to control the gas quantity of the working chamber 26, which is beneficial to simplifying the structure of the suction and exhaust system.

The three-way electromagnetic valve is provided with a first input port, a first output port and a second output port. In the working process of the three-way electromagnetic valve, when the three-way electromagnetic valve is electrified, the input is carried out through the first input port, the output is carried out through the first output port, and the output is not carried out through the second output port. When the three-way electromagnetic valve is powered off, the input is carried out through the first input port, the output is carried out through the second output port, and the output is not carried out through the first output port.

That is, when the suction-side solenoid valve 41 is a three-way solenoid valve, gas is supplied from the second port 412, and when the suction-side solenoid valve 41 is in an open or closed state, one of the first port 411 and the third port 413 is open and the other is closed.

For example, when the second port 412 inputs air, the first port 411 communicates with the working chamber 26, and the third port 413 of the air suction-side solenoid valve 41 is sealed from the ventilation space 14, the air pump assembly 30 sucks air from the working chamber 26, and the working chamber 26 forms a negative pressure environment, so that the liquid in the outer cup 50 is sucked upwards and further contacts the coffee bucket 23 and the ice bucket 21.

Preferably, the suction-side solenoid valve 41 is a two-position three-way solenoid valve, and the suction-side solenoid valve 41 may be a four-way or higher-number solenoid valve.

Further, the solenoid valve assembly 40 further includes an exhaust side solenoid valve 42, the exhaust side solenoid valve 42 is a three-way solenoid valve, the exhaust side solenoid valve 42 is connected to the air pump bracket 12, a fourth port 421 of the exhaust side solenoid valve 42 communicates with the working chamber 26, a fifth port 422 of the exhaust side solenoid valve 42 communicates with the exhaust line 33, and a sixth port 423 of the exhaust side solenoid valve 42 communicates with the mounting side. This arrangement allows the exhaust-side solenoid valve 42 to exhaust the working chamber 26 or the scavenging space 14 as appropriate.

According to another embodiment of the present application, the air extraction and evacuation system of the above-described embodiment may also be used in the field of a device for extracting coffee cups, i.e. a coffee cup for extracting cold is provided, which comprises an air extraction and evacuation system for controlling the above-described embodiment. The cold extract coffee cup further includes a mounting shell 11, and the cup assembly 80 includes an inner cup assembly 20 and an outer cup 50. The mounting housing 11 is connected to the mounting side of the air pump bracket 12, the mounting housing 11 has a first accommodating chamber 13, and a ventilation space 14 is formed between the mounting side and the chamber wall of the first accommodating chamber 13. The inner cup assembly 20 is connected with the mounting shell 11, a working chamber 26 is formed between the air pump support 12 and the chamber wall of the inner cup assembly 20, and the air pump body 31 is respectively communicated with the ventilation space 14 and the working chamber 26. The outer bowl 50 is detachably coupled to the mounting housing 11, the outer bowl 50 is positioned at an outer circumferential side of the inner bowl assembly 20, and an inner surface of the outer bowl 50 is spaced apart from an outer surface of the inner bowl assembly 20.

In an exemplary embodiment, the mounting housing 11 may be provided with an air intake passage to communicate the plenum 14 with the external environment. Optionally, a temperature sensor and a humidity sensor are provided on the mounting housing 11 to monitor the airflow in the ventilation space 14.

In an exemplary embodiment, the suction line 32 is plural, and the plural suction lines 32 are each in communication with the solenoid valve assembly 40. The plurality of exhaust lines 33 are provided, and the plurality of exhaust lines 33 are each communicated with the solenoid valve assembly 40.

Further, the cold extract coffee cup also includes a backflow prevention assembly 60. The anti-backflow assembly 60 includes two oppositely disposed conductive pins 61. A first end of each conductive pin 61 is connected to the air pump bracket 12. A second end of each conductive pin 61 extends toward the working chamber 26. When the liquid level of the inner cup assembly 20 exceeds the height of the second end of the conductive pin 61, the two conductive pins 61 are conducted. The anti-backflow assembly 60 can effectively prevent liquid from being drawn into the air pump assembly 30.

Inner cup assembly 20 includes an ice bucket 21, a first coffee filter 22, a coffee bucket 23, a bottom lid 24, and a second coffee filter 25. A first end of the ice bucket 21 is detachably coupled to the air pump bracket 12. A first end of first coffee filter 22 is coupled to a second end of ice bucket 21. A first end of coffee cartridge 23 is coupled to a second end of first coffee filter 22. The bottom cover 24 is coupled to a second end of the coffee cartridge 23. A through hole 241 communicating with the outer cup 50 is formed in a side wall of the bottom cover 24. A second coffee filter 25 is disposed within bottom cover 24 at the end of the second end of coffee cartridge 23. With the arrangement, after the working chamber 26 forms a negative pressure environment, the liquid in the outer cup 50 can be sucked into the inner cup assembly 20 through the through hole 241 so that the liquid can be contacted with coffee powder and an ice bucket in the coffee circulation, and the cold extraction coffee is obtained.

Further, the cold extract coffee cup also includes an electronic control assembly 70. The electronic control assembly 70 comprises a circuit board 71 and a display screen 72. The circuit board 71 is connected to the mounting case 11. The circuit board 71 is electrically connected to the intake-side solenoid valve 41 and the exhaust-side solenoid valve 42. The display screen 72 is connected to the mounting housing 11. The display screen 72 is electrically connected to the circuit board 71. The cold extraction coffee cup is more intelligent due to the arrangement, the state of the current device can be visually output in real time, and the human-computer interaction degree of the cold extraction coffee cup is improved.

In an exemplary embodiment, the plenum 14 is an enclosed space. The air pump bracket 12 functions to support the components, and the air change space 14 stores air sucked or discharged by the air pump assembly 30.

Still be provided with power 15 in the first chamber 13, seted up charging socket 111 on the installation casing 11, charging socket 111 is used for charging for power 15, or charging socket 111 is used for being connected with the power cord in order to carry out coffee extraction operation. This arrangement increases the endurance time of the cold-extraction coffee cup.

In an alternative embodiment, the cold extract coffee cup employs wireless power transfer technology, i.e. a receiver is provided on the mounting housing 11 to receive power which is converted by a transmitter into another form.

By adopting the technical scheme, the working flow of the cold extraction coffee cup is as follows: the cold extraction coffee cup firstly operates in a suction mode for a first preset time, when the cold extraction coffee cup is in the suction mode, the first port 411 of the suction side solenoid valve 41 is communicated with the working chamber 26, the second port 412 of the suction side solenoid valve 41 is communicated with the suction pipeline 32, the third port 413 of the suction side solenoid valve 41 is sealed with the ventilation space 14, the fourth port 421 of the exhaust side solenoid valve 42 is sealed with the working chamber 26, the fifth port 422 of the exhaust side solenoid valve 42 is communicated with the exhaust pipeline 33 of the air pump assembly 30, and the sixth port 423 of the exhaust side solenoid valve 42 is communicated with the ventilation space 14. The air flow is sucked out of the working chamber 26 and then discharged into the ventilation space 14 through the exhaust pipe 33, and the working chamber 26 forms a negative pressure environment to raise the water level in the outer cup 50. Then, the cold extraction coffee cup operates in the exhaust mode for a second preset time, when the cold extraction coffee cup is in the exhaust mode, the first port 411 of the air suction side solenoid valve 41 is closed with the working chamber 26, the second port 412 of the air suction side solenoid valve 41 is communicated with the air suction pipeline 32, the third port 413 of the air suction side solenoid valve 41 is communicated with the ventilation space 14, the fourth port 421 of the exhaust side solenoid valve 42 is communicated with the working chamber 26, the fifth port 422 of the exhaust side solenoid valve 42 is communicated with the exhaust pipeline 33 of the air pump assembly 30, and the sixth port 423 of the exhaust side solenoid valve 42 is closed with the ventilation space 14. The air flow is sucked out of the ventilation space 14 and then discharged into the working chamber 26 through the exhaust duct 33 to lower the water level of the inner cup assembly 20.

Preferably, the first preset time is 10s, and the second preset time is 10 s.

The workflow of the backflow prevention assembly 60 is as follows: when the cold-extraction coffee cup is operated in the suction mode for a first predetermined time and the conductive pin 61 is not turned on, the cold-extraction coffee cup continues to operate in the exhaust mode. During the first predetermined time of operation of the cold extract coffee cup in the suction mode, the conductive pin 61 is already on, which automatically switches to continue operation in the vent mode.

Spatially relative terms, such as "above … …," "above … …," "above … … surface," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may also be oriented 90 degrees or at other orientations and the spatially relative descriptors used herein interpreted accordingly.

In addition to the foregoing, it should be noted that reference throughout this specification to "one embodiment," "another embodiment," "an embodiment," or the like, means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment described generally throughout this application. The appearances of the same phrase in various places in the specification are not necessarily all referring to the same embodiment. Further, when a particular feature, structure, or characteristic is described in connection with any embodiment, it is submitted that it is within the scope of the invention to effect such feature, structure, or characteristic in connection with other embodiments.

In the foregoing embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An extraction and exhaust system, comprising:

the air pump support (12), the air pump support (12) is connected with the cup body assembly (80), a working cavity (26) is enclosed by the first side of the air pump support (12) and the cup body assembly (80), and a mounting side is formed by the second side far away from the first side of the air pump support (12);

the air pump component (30), the air pump component (30) is connected with the air pump bracket (12), the air pump component (30) comprises an air pump body (31), and the air pump body (31) is provided with an air suction port and an air exhaust port;

the electromagnetic valve assembly (40) is connected with the air pump support (12), and the electromagnetic valve assembly (40) is communicated with the air suction port, the air exhaust port, the mounting side and the working cavity (26) respectively.

2. The air pumping and exhausting system of claim 1, wherein the air pump assembly (30) comprises:

an aspiration line (32), the aspiration line (32) in communication with the aspiration port, the solenoid valve assembly (40) in communication with the aspiration port through the aspiration line (32);

an exhaust line (33), exhaust line (33) with the gas vent intercommunication, solenoid valve subassembly (40) pass through exhaust line (33) with the gas vent intercommunication.

3. The air pumping and exhausting system according to claim 2, wherein the solenoid valve assembly (40) comprises an air suction side solenoid valve (41), the air suction side solenoid valve (41) is a three-way solenoid valve, the air suction side solenoid valve (41) is connected to the air pump bracket (12), a first port (411) of the air suction side solenoid valve (41) communicates with the working chamber (26), a second port (412) of the air suction side solenoid valve (41) communicates with the air suction line (32), and a third port (413) of the air suction side solenoid valve (41) communicates with the mounting side.

4. The air pumping and exhausting system according to claim 3, wherein the solenoid valve assembly (40) further comprises an exhaust side solenoid valve (42), the exhaust side solenoid valve (42) is a three-way solenoid valve, the exhaust side solenoid valve (42) is connected to the air pump bracket (12), a fourth port (421) of the exhaust side solenoid valve (42) is communicated with the working chamber (26), a fifth port (422) of the exhaust side solenoid valve (42) is communicated with the exhaust line (33), and a sixth port (423) of the exhaust side solenoid valve (42) is communicated with the mounting side.

5. A cold-extraction coffee cup comprising the control extraction air system of any one of claims 1 to 4, characterized in that the cold-extraction coffee cup further comprises a mounting housing (11), the cup assembly (80) comprising an inner cup assembly (20), an outer cup (50);

the mounting shell (11) is connected with the mounting side of the air pump support (12), the mounting shell (11) is provided with a first accommodating cavity (13), and a ventilation space (14) is formed between the mounting side and the cavity wall of the first accommodating cavity (13);

the inner cup assembly (20) is connected with the mounting shell (11), the working cavity (26) is formed between the air pump support (12) and the cavity wall of the inner cup assembly (20), and the air pump body (31) is respectively communicated with the ventilation space (14) and the working cavity (26);

the outer cup body (50) is detachably connected with the mounting shell (11), the outer cup body (50) is located on the outer periphery side of the inner cup assembly (20), and the inner surface of the outer cup body (50) and the outer surface of the inner cup assembly (20) are arranged at a distance.

6. A cold-extraction coffee cup according to claim 5, further comprising a backflow prevention assembly (60), wherein the backflow prevention assembly (60) comprises two oppositely arranged conductive pins (61), a first end of each conductive pin (61) is connected with the air pump bracket (12), and a second end of each conductive pin (61) extends towards the working chamber (26);

when the liquid level of the inner cup assembly (20) exceeds the height of the second end of the conductive pin (61), the two conductive pins (61) are conducted.

7. The cold extract coffee cup as claimed in claim 5, wherein said inner cup assembly (20) comprises:

the ice bucket (21), the first end of the ice bucket (21) is detachably connected with the air pump bracket (12);

a first coffee filter (22), a first end of the first coffee filter (22) being connected to a second end of the ice bucket (21);

a coffee cartridge (23), a first end of the coffee cartridge (23) being connected to a second end of the first coffee filter (22);

the bottom cover (24), the bottom cover (24) is connected with the second end of the coffee barrel (23), and a through hole (241) communicated with the outer cup body (50) is formed in the side wall of the bottom cover (24);

a second coffee filter (25), said second coffee filter (25) being arranged in said bottom cover (24) at the end of the second end of said coffee basket (23).

8. The cold extract coffee cup according to claim 5, further comprising an electronic control assembly (70), said electronic control assembly (70) comprising:

a circuit board (71), wherein the circuit board (71) is connected with the mounting housing (11), and the circuit board (71) is electrically connected with the air suction side electromagnetic valve (41) and the air exhaust side electromagnetic valve (42);

display screen (72), display screen (72) with installation casing (11) are connected, display screen (72) with circuit board (71) electric connection.

9. The cold-extraction coffee cup as claimed in claim 5, wherein a power supply (15) is further disposed in the first accommodating cavity (13), a charging socket (111) is disposed on the mounting housing (11), the charging socket (111) is used for charging the power supply (15), or the charging socket (111) is used for connecting with a power line to perform coffee extraction operation.