Cold extraction coffee machine

Abstract

The cold extraction coffee machine comprises a fixing frame, a first container, a second container, a switch assembly, a cover body and a stirring device, a first supporting table is provided with a first bearing part, a second supporting table is provided with a second bearing part, the first container comprises a brewing chamber, a water outlet groove is formed by sinking downwards from the brewing chamber, and the water outlet groove is provided with a water inlet and a water outlet. A water outlet is formed in the bottom wall of the water outlet groove, a filter part covers the top of the water outlet groove, the first container is placed on the first bearing part, at least part of the first bearing part penetrates through the mounting hole and extends downwards to the first supporting table in a protruding mode, and the water outlet is located below the first supporting table. According to the cold extraction coffee machine, the stirring assembly is arranged in the brewing chamber, and in the coffee extraction process, the driving motor drives the stirring assembly to rotate, so that coffee raw materials in the brewing chamber are fully dissolved, extraction is more sufficient, and use is convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of coffee machines, in particular to a kind of cold extraction coffee machine. BACKGROUND

[0002] Traditional coffee extraction technology usually relies on static soaking or single-direction water flow penetration to realize flavoring material dissolution, in the extraction process, coffee raw materials are prone to local clumping, resulting in coffee raw materials not being effectively extracted, causing waste and flavor level loss, in addition, coffee residue needs to be filtered or manually poured into other containers after coffee extraction, which is inconvenient to use. SUMMARY

[0003] To solve the above technical problems, the utility model provides a kind of cold extraction coffee machine, comprising: fixed frame, first container, second container, switch assembly, cover and stirring device, the cover is covered in the opening of the first container,

[0004] The fixed frame includes first support table and second support table distributed along the up-down direction, the first support table is provided with first supporting part, the first supporting part is provided with mounting hole along the up-down direction, the second support table is provided with second supporting part, and the second supporting part is located below the first supporting part;

[0005] The first container includes brewing chamber, water outlet groove is formed by recessing downward from the brewing chamber, the bottom wall of the water outlet groove is provided with water outlet, the top of the water outlet groove is provided with filter piece, the first container is placed in the first supporting part, and the first container at least partially penetrates the mounting hole and protrudes downward on the first support table, and the water outlet is located below the first support table;

[0006] The second container is placed in the second supporting part, and the opening of the first container is aligned with the water outlet in the up-down direction.

[0007] The switch assembly includes steel ball and magnet located outside the water outlet groove, the steel ball is arranged in the water outlet groove, and the steel ball is arranged on the water outlet under the action of gravity, when the magnet generates magnetic attraction force on the steel ball, the steel ball moves towards the magnet and moves away from the water outlet.

[0008] The stirring device includes connecting rod, driving motor and stirring assembly located in the brewing chamber, the driving motor is arranged in the cover, one end of the connecting rod is connected to the output shaft of the driving motor, and the other end of the connecting rod extends into the brewing chamber and is connected with the stirring assembly.

[0009] As the improvement of the utility model cold brew coffee machine, it further includes a first control circuit board and a first fixed support, the first fixed support is located below the first support table, the magnet is an electromagnet, the magnet is arranged on the first fixed support and located on one side of the steel ball, the first control circuit board is electrically connected with the magnet, when the first control circuit board controls the magnet to generate magnetism, the magnet generates magnetic attraction force to the steel ball.

[0010] As the improvement of the utility model cold brew coffee machine, the first fixed support is fixed to the first support table.

[0011] As the improvement of the utility model cold brew coffee machine, it further includes a second fixed support formed by extending upward from the second container, the magnet is arranged on the second fixed support, the magnet is a permanent magnet, when the second container is placed on the second supporting part, the magnet is located on one side of the steel ball, and the magnet generates magnetic attraction force to the steel ball.

[0012] As the improvement of the utility model cold brew coffee machine, one side of the second container is provided with a holding part, and the second fixed support is formed by extending upward from the holding part.

[0013] As the improvement of the utility model cold brew coffee machine, the second support table extends upward to form a support column, the support column abuts upward on the first support table, and the first support table, the second support table and the support column are integrally formed.

[0014] As the improvement of the utility model cold brew coffee machine, the cover includes a battery and a membrane switch, the driving motor is electrically connected with the battery, and the membrane switch is arranged on the top of the cover to control the closing or opening of the circuit between the driving motor and the battery.

[0015] As the improvement of the utility model cold brew coffee machine, the stirring assembly includes a stirring head and a spring ring, the stirring head is fixed to the connecting rod, and the spring ring is sleeved on the outer periphery of the stirring head.

[0016] As the improvement of the utility model cold brew coffee machine, the first container includes a first part and a second part, the second part is formed by protruding downward from the first part, the first part is supported on the first supporting part, the second part protrudes downward on the first support table through the mounting hole, and the water outlet groove is arranged on the second part.

[0017] As the improvement of the utility model cold brew coffee machine, the outer diameter of the second part is greater than the outer diameter of the water outlet groove.

[0018] The utility model discloses a cold extraction coffee machine, its beneficial effect has: through being provided with the stirring subassembly in the brewing chamber, in the extraction coffee process, the drive motor drives the stirring subassembly rotation, to make the coffee raw material in the brewing chamber fully dissolves, and the extraction is more sufficient. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is the structure schematic diagram of the preferred embodiment of the utility model cold extraction coffee machine;

[0020] Figure 2 It is the structure schematic diagram of the preferred embodiment of the utility model cold extraction coffee machine; Figure 1

[0021] Figure 3 It is the enlarged view of the place A of the utility model cold extraction coffee machine; Figure 2

[0022] Figure 4 It is the structure schematic diagram of the stirring device of the preferred embodiment of the utility model cold extraction coffee machine;

[0023] Figure 5 It is the structure schematic diagram of other embodiments of the utility model cold extraction coffee machine;

[0024] Figure 6 It is the enlarged view of the place B of the utility model cold extraction coffee machine. Figure 5 DETAILED DESCRIPTION

[0025] Below, combining Figures 1 to 6 and in the preferred embodiment and other embodiments, the utility model cold extraction coffee machine is further described, need explaining is under the condition of not conflict, the following described each technical feature between can arbitrarily combination forms new embodiment.

[0026] As Figures 1 to 4 ​​​For the preferred embodiment, the utility model discloses a cold extraction coffee machine, it includes: fixed frame 1, first container 2, second container 3, switch assembly 4, cover 7 and stirring device 5, the cover 7 cover is established in the opening of first container 2, the fixed frame 1 includes the first support platform 11 and the second support platform 12 along the up-down direction distribution, first support platform 11 is equipped with first bearing part 111, first bearing part 111 is equipped with mounting hole 112 along the up-down direction, second support platform 12 is equipped with second bearing part 121, and second bearing part 121 is located below first bearing part 111, first container 2 includes brewing chamber 21, and the water outlet groove 22 is formed from the brewing chamber 21 downwards recessed, the bottom wall of water outlet groove 22 is provided with water outlet 221, and the top of water outlet groove 22 is provided with filter piece 23, first container 2 is placed in first bearing part 111, and first container 2 at least partially passes through mounting hole 112 and protrudes downwards on first support platform 11, and water outlet 221 is located below first support platform 11, second container 3 is placed in second bearing part 121, and the opening of first container 2 is aligned with water outlet 221 up and down, switch assembly 4 includes steel ball 41 and magnet 42 outside water outlet groove 22, steel ball 41 is arranged in water outlet groove 22, steel ball 41 is arranged on water outlet 221 under the action of gravity, when magnet 42 generates magnetic attraction force to steel ball 41, steel ball 41 moves towards magnet 42 and leaves water outlet 221, stirring device 5 includes connecting rod 51, drive motor 52 and stirring assembly 53 in brewing chamber 21, drive motor 52 is arranged in cover 7, one end of connecting rod 51 is connected to the output shaft of drive motor 52, and the other end of connecting rod 51 is connected with stirring assembly 53 by extending into brewing chamber 21, by setting stirring assembly 53 in brewing chamber 21, drive motor 52 drives stirring assembly 53 to rotate during the extraction of coffee, so that the coffee raw materials in brewing chamber 21 are fully dissolved, and the extraction is more sufficient.

[0027] In the preferred embodiment, the first control circuit board 6 and the first fixing support 8 are further included, the first fixing support 8 is located below the first support table 11, the first fixing support 8 is fixed to the first support table 11, the magnet 42 is an electromagnet, the magnet 42 is arranged on the first fixing support 8 and located at one side of the steel ball 41, the first control circuit board 6 is electrically connected with the magnet 42, when the first control circuit board 6 controls the magnet 42 to generate magnetism by energization, the magnet 42 generates magnetic attraction force to the steel ball 41, so that the steel ball 41 moves away from the water outlet 221, so that the coffee liquid in the brewing chamber 21 enters the second container 3 from the water outlet 221, and the use aspect. The second support table 12 extends upward to form a support column 13, the support column 13 abuts upwardly against the first support table 11, in the embodiment, the first control circuit board 6 is arranged on the support column 13. In other embodiments, the first support table 11, the second support table 12 and the support column 13 are integrally formed.

[0028] In the preferred embodiment, the battery 54 and the membrane switch 71 are included in the cover 7, the driving motor 52 is electrically connected with the battery 54, the membrane switch 71 is arranged on the top of the cover 7 to control the closing or opening of the circuit between the driving motor 52 and the battery 54, and in addition, the cover 7 is provided with a charging interface for charging the battery 54.

[0029] In the preferred embodiment, the stirring assembly 53 includes a stirring head 531 and a spring ring 532, the stirring head 531 is fixed to the connecting rod 51, and the spring ring 532 is sleeved on the outer periphery of the stirring head 531.

[0030] In the preferred embodiment, the first container 2 includes a first part 2a and a second part 2b, the second part 2b is protruded downward from the first part 2a, the first part 2a is supported on the first supporting portion 111, the second part 2b is protruded downward on the first support table 11 through the mounting hole 112, the water outlet groove 22 is arranged on the second part 2b, and the second part 2b cooperates with the mounting hole 112 to limit the sliding of the first container 2 in the horizontal direction. In the example, the outer diameter of the second part 2b is greater than the outer diameter of the water outlet groove 22.

[0031] As Figure 2As shown, in the preferred embodiment, the first control circuit board 6 is provided with a first wireless communication module 61, the cover 7 is provided with a second control circuit board 9, the second control circuit board 9 is provided with a second wireless communication module 91, the driving motor 52, the battery 54 and the second wireless communication module 91 are all electrically connected with the second control circuit board 9, the first wireless communication module 61 is used for receiving the signal of the second wireless communication module 91 and feeding back the first control circuit board 6, the first control circuit board 6 controls the magnet 42 to be powered according to the signal fed back by the first wireless communication module 61, specifically, the second control circuit board 9 controls the driving motor 52 to work, at the same time, the second wireless communication module 91 receives the signal of the working of the driving motor 52 and feeds back to the first wireless communication module 61, the first control circuit board 6 controls the magnet 42 to be powered after the driving motor 52 works for a predetermined time (i.e. coffee extraction is completed) according to the signal of the working of the driving motor 52, the magnet 42 generates magnetic attraction force on the steel ball 41, the steel ball 41 moves towards the magnet 42 and away from the water outlet 221, so that the coffee liquid in the brewing chamber 21 enters the second container 3 from the water outlet 221, in the embodiment, the second wireless communication module 91 and the first wireless communication module 61 are Bluetooth or wifi communication modules.

[0032] Working principle, when extracting coffee, the user puts coffee raw materials (usually coffee powder bag, coffee powder) and water (usually ice water or cold water) into the brewing chamber 21, starts the membrane switch 71, the circuit between the driving motor 52 and the battery 54 is closed, the driving motor 52 drives the stirring assembly 53 to rotate, at the same time, the second wireless communication module 91 receives the signal of the working of the driving motor 52 and feeds back to the first wireless communication module 61, the first control circuit board 6 controls the magnet 42 to be powered after the driving motor 52 works for a predetermined time (i.e. coffee extraction is completed) according to the signal of the working of the driving motor 52, the magnet 42 generates magnetic attraction force on the steel ball 41, the steel ball 41 moves towards the magnet 42 and away from the water outlet 221, so that the coffee liquid in the brewing chamber 21 enters the second container 3 from the water outlet 221. In addition, the cold-brew coffee machine of the utility model can also extract tea bags or tea leaves and other drinks that need to be cold-brewed, and ice water or cold water is also used.

[0033] Reference Figure 5 , Figure 6In other embodiments, the difference from the preferred embodiment is that the magnet 42 is arranged differently, specifically, in this embodiment, the cold-brew coffee machine further comprises a second fixed support 32 extending upward from the second container 3, the magnet 42 is arranged on the second fixed support 32, the magnet 42 is a permanent magnet 42, when the second container 3 is placed on the second supporting portion 121, the magnet 42 is located on one side of the steel ball 41, and the magnet 42 generates a magnetic attraction force on the steel ball 41, in this embodiment, one side of the second container 3 is provided with a holding portion 31, and the second fixed support 32 extends upward from the holding portion 31 to form. When the coffee extraction is completed, the second container 3 is placed on the second supporting portion 121, the magnet 42 generates a magnetic attraction force on the steel ball 41, the steel ball 41 moves away from the water outlet 221 towards the magnet 42, so that the coffee liquid in the brewing chamber 21 enters the second container 3 from the water outlet 221.

[0034] The cold-brew coffee machine has the following beneficial effects: the cold-brew coffee machine is provided with the stirring assembly in the brewing chamber, in the process of extracting coffee, the driving motor drives the stirring assembly to rotate, so that the coffee raw materials in the brewing chamber are fully dissolved, the extraction is more sufficient, and the use is convenient.

[0035] The above has described the present application in detail, the above is only a preferred embodiment of the present application, and cannot limit the scope of the present application, that is, any equivalent changes and modifications made within the scope of the present application should still fall within the scope of the present application.

Claims

1. A cold brew coffee machine, characterized in that, The utility model relates to a coffee machine, including: a fixed frame, a first container, a second container, a switch assembly, a cover and a stirring device, the cover covers the opening of the first container, the fixed frame includes first support platform and second support platform which distribute along the up-down direction, the first support platform is equipped with first bearing part, the first bearing part is equipped with mounting hole along the up-down direction, the second support platform is equipped with second bearing part, and the second bearing part is located below the first bearing part; The first container includes a brewing chamber, a water outlet groove is formed downward from the brewing chamber, a bottom wall of the water outlet groove is provided with a water outlet, a top of the water outlet groove is provided with a filter, the first container is placed on the first bearing part, the first container at least partially penetrates the mounting hole and protrudes downward on the first support platform, and the water outlet is located below the first support platform; The second container is placed on the second bearing part, and the opening of the first container is aligned with the water outlet in the up-down direction. The switch assembly includes a steel ball and a magnet outside the water outlet groove, the steel ball is arranged in the water outlet groove, and the steel ball is covered on the water outlet under the action of gravity; when the magnet generates magnetic attraction force on the steel ball, the steel ball moves towards the magnet and moves away from the water outlet. The stirring device includes a connecting rod, a drive motor and a stirring assembly in the brewing chamber, the drive motor is arranged in the cover, one end of the connecting rod is connected to the output shaft of the drive motor, and the other end of the connecting rod extends into the brewing chamber and is connected to the stirring assembly.

2. The cold brew coffee machine of claim 1, wherein, Further comprising a first control circuit board and a first fixed support, the first fixed support is located below the first support platform, the magnet is an electromagnet, the magnet is arranged on the first fixed support and located on one side of the steel ball, and the first control circuit board is electrically connected with the magnet; when the first control circuit board controls the magnet to generate magnetism, the magnet generates magnetic attraction force on the steel ball.

3. The cold brew coffee machine of claim 2, wherein, The first fixed support is fixed on the first support platform.

4. The cold brew coffee maker of claim 1, wherein, Further comprising a second fixed support formed upward from the second container, the magnet is arranged on the second fixed support, the magnet is a permanent magnet, when the second container is placed on the second bearing part, the magnet is located on one side of the steel ball, and the magnet generates magnetic attraction force on the steel ball.

5. The cold brew coffee machine of claim 4, wherein, One side of the second container is provided with a holding part, and the second fixed support is formed upward from the holding part.

6. The cold brew coffee maker of claim 1, wherein, The second support platform extends upward to form a support column, the support column abuts against the first support platform upward, and the first support platform, the second support platform and the support column are integrally formed.

7. The cold brew coffee maker of claim 1, wherein, The cover includes a battery and a membrane switch, the drive motor is electrically connected with the battery, and the membrane switch is arranged on the top of the cover to control the closing or opening of the circuit between the drive motor and the battery.

8. The cold brew coffee maker of claim 1, wherein, The stirring assembly includes a stirring head and a spring ring, the stirring head is fixed to the connecting rod, and the spring ring is sleeved on the outer periphery of the stirring head.

9. The cold brew coffee maker of claim 1, wherein, The first container comprises a first part and a second part, the second part is protruded downward from the first part, the first part is supported on the first supporting part, the second part is protruded downward on the first supporting table through the installation hole, and the water outlet groove is arranged on the second part.

10. The cold brew coffee machine of claim 9, wherein, The outer diameter of the second part is greater than the outer diameter of the water outlet groove.

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