Cold extraction coffee machine

Abstract

The utility model discloses a cold extraction coffee machine, belongs to the technical field of cold extraction coffee machines, and solves the problems that the existing cold extraction coffee is long in preparation time and the flavor of the coffee is lost. A cold extraction coffee machine comprises a shell assembly, a locking mechanism, an extraction mechanism and a powder bin, the extraction mechanism and the powder bin are arranged in the shell assembly, the locking mechanism is located outside the shell assembly and connected with the powder bin, and the powder bin is further connected with the extraction mechanism; when the coffee maker is used, after the powder bin is locked through the locking mechanism, the extraction mechanism extracts coffee in the powder bin. The powder bin is unlocked through the locking mechanism, after coffee powder is added into the powder bin, the powder bin is locked through the locking mechanism, the extraction mechanism is turned on after locking to extract coffee in the powder bin, after extraction is completed, a cup is placed at the position corresponding to the opening end of the powder bin, the switch is turned on to receive cold extraction coffee, the cold extraction coffee time is short, and the coffee flavor is good.

Description

Technical Field

[0001] The utility model belongs to the technical field of cold brew coffee machines, and particularly relates to a cold brew coffee machine. Background Art

[0002] Cold brew coffee is a beverage made by extracting coffee with low-temperature water and is deeply favored by people. When traditional cold brew coffee machines produce cold brew coffee, they mainly make cold brew coffee by pouring ice water into the coffee machine or soaking coffee powder in ice water. However, the production time of traditional cold brew coffee is long, taking 14 - 24 hours, and the coffee flavor of the roasting degree will be lost during the production process; moreover, there is a waste phenomenon when the traditional cold brew coffee produced is not sold out. Summary of the Utility Model

[0003] The purpose of the utility model is to provide a cold brew coffee machine, which solves the problems of long preparation time and loss of coffee flavor in the existing cold brew coffee preparation.

[0004] To achieve the above purpose, the technical solution of the utility model is realized as follows: A cold brew coffee machine includes a housing assembly, a locking mechanism, an extraction mechanism, and a powder bin. The extraction mechanism and the powder bin are arranged in the housing assembly. The locking mechanism is located outside the housing assembly and is connected to the powder bin, and the powder bin is also connected to the extraction mechanism. When in use, after the powder bin is locked by the locking mechanism, the extraction mechanism extracts the coffee in the powder bin.

[0005] In some embodiments, the locking mechanism includes a pull rod assembly, a rotating assembly, and a fixing assembly. One end of the rotating assembly is connected to the pull rod assembly, and the other end is connected to the fixing assembly. The fixing assembly is connected to the powder bin.

[0006] In some embodiments, the pull rod assembly includes a pull rod, and the pull rod is movably connected to the rotating assembly.

[0007] In some embodiments, the rotating assembly includes a sliding member and a guiding connection unit, and the sliding member is movably connected to the pull rod assembly through the guiding connection unit.

[0008] In some embodiments, the guiding connection unit is arranged on the fixing assembly, and the fixing assembly is connected to the powder bin.

[0009] In some embodiments, the extraction mechanism includes a pressure member, and the pressure member is connected to the powder bin.

[0010] In some embodiments, the extraction mechanism further includes an ultrasonic member, and the ultrasonic member is connected to the powder bin.

[0011] In some embodiments, the housing assembly includes a housing and a refrigeration module disposed within the housing, and the cold end of the refrigeration module is connected to the powder bin.

[0012] In some embodiments, the cold brew coffee machine further includes a jet assembly, and the jet assembly is connected to the open end of the powder bin.

[0013] In some embodiments, the jet assembly includes a nozzle, a suction chamber, a mixing tube, and a diffuser tube. One end of the suction chamber is connected to the open end of the powder bin, and the other end is connected to the mixing tube. The mixing tube is sequentially connected to the diffuser tube and the nozzle.

[0014] In some embodiments, the cold brew coffee machine further includes a quick-release assembly, and the jet assembly is connected to the open end of the powder bin through the quick-release assembly.

[0015] In some embodiments, the cold brew coffee machine is connected to a terminal device.

[0016] Compared with the prior art, in the present utility model, the powder bin is unlocked by a locking mechanism. After adding coffee powder into the powder bin, the powder bin is locked by the locking mechanism. After locking, the extraction mechanism is opened to extract the coffee in the powder bin. After the extraction is completed, a cup is placed at the corresponding position of the open end of the powder bin, and the switch is opened to receive the cold brew coffee. The cold brew coffee prepared by this cold brew coffee machine has a short preparation time and a good coffee flavor, can meet the needs of users, can prepare a cup of classic cold brew coffee in a short time, realizes making and selling on the spot, and enables the coffee powder to be well utilized without waste. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a schematic structural diagram of the cold brew coffee machine provided in Embodiment 1 of the present utility model;

[0018] Figure 2 is a schematic structural diagram of the locking mechanism of the cold brew coffee machine provided in Embodiment 1 of the present utility model;

[0019] Figure 3 is an exploded schematic diagram of the powder bin of the cold brew coffee machine provided in Embodiment 1 of the present utility model;

[0020] Figure 4 is a schematic cross-sectional structural diagram of the locking mechanism of the cold brew coffee machine provided in Embodiment 1 of the present utility model;

[0021] Figure 5 is an exploded schematic diagram of the cold brew coffee machine provided in Embodiment 1 of the present utility model;

[0022] Figure 6 is a schematic structural diagram of the cold brew coffee machine provided in Embodiment 1 of the present utility model with a jet assembly added;

[0023] Figure 7 Another schematic structural diagram of the cold brew coffee machine provided in Embodiment 1 of the present utility model plus the jet assembly;

[0024] Figure 8 Schematic structural diagram of the jet assembly of the cold brew coffee machine provided in Embodiment 1 of the present utility model;

[0025] Figure 9a Schematic structural diagram of the jet assembly of the cold brew coffee machine provided in Embodiment 1 of the present utility model;

[0026] Figure 9b Cross-sectional view of the jet assembly of the cold brew coffee machine provided in Embodiment 1 of the present utility model

[0027] Figure 10 Schematic structural diagram of the quick-release assembly of the cold brew coffee machine provided in Embodiment 1 of the present utility model;

[0028] Figure 11 Flow chart of the coffee cold brew method provided in Embodiment 2 of the present utility model.

[0029] In the figure, 1. housing assembly, 11. housing, 12. refrigeration module, 13. water tank, 14. cover body, 15. heat dissipation plate, 2. locking mechanism, 21. pull rod assembly, 211. pull rod, 22. rotating assembly, 221. sliding member, 2211. push plate, 22111. first connecting portion, 2212. slide rail, 222. first connecting member, 2221. first connecting arm, 2222. first rotating arm, 223. second connecting member, 2231. second connecting arm, 2232. second rotating arm, 2233. ear plate, 224. third connecting member, 2241. third rotating arm, 2242. second connecting portion, 2243. base, 23. fixing assembly, 3. extraction mechanism, 4. powder bin, 41. bin body, 42. bin cover, 43. filter element, 5. jet assembly, 51. nozzle, 52. suction chamber, 53. mixing tube, 54. diffuser tube, 6. quick-release assembly, 61. first quick-release member, 62. second quick-release member. Detailed implementation manners

[0030] In order to make the objectives, technical solutions and advantages of the present utility model clearer and more understandable, the following further describes the present utility model in detail with reference to specific embodiments. It should be understood that the specific embodiments described herein are only used to explain the present utility model and are not used to limit the present utility model.

[0031] In the description of the present utility model, it should be clear that the terms "vertical", "lateral", "longitudinal", "front", "rear", "left", "right", "upper", "lower", "horizontal", etc. indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the drawings. This is only for the convenience of describing the present utility model and does not mean that the indicated device or element must have a specific orientation or position. Therefore, it should not be construed as a limitation to the present utility model. In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, the terms "installation", "connection", and "coupling" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0032] Embodiment 1

[0033] A cold brew coffee machine provided by Embodiment 1 of the present utility model, as Figure 1 shown, includes a housing assembly 1, a locking mechanism 2, an extraction mechanism 3, and a powder bin 4. The locking mechanism 2 is located outside the housing assembly 1 and is connected to the powder bin 4, and the powder bin 4 is also connected to the extraction mechanism 3. When in use, after the powder bin 4 is locked by the locking mechanism 2, the extraction mechanism 3 extracts the coffee in the powder bin 4.

[0034] After adopting the above solution, when in use, the powder bin 4 is unlocked through the locking mechanism 2. After adding coffee powder into the powder bin 4, the powder bin 4 is locked through the locking mechanism 2. After locking, the extraction mechanism 3 is opened to extract the coffee in the powder bin 4. After the extraction is completed, a cup is placed corresponding to the opening end of the powder bin 4, and the switch is opened to receive the cold brew coffee. The cold brew coffee prepared by this cold brew coffee machine has a short preparation time and good coffee flavor, can meet the needs of users, and can prepare a cup of classic cold brew coffee in a short time, realizing making and selling on the spot, so that the coffee powder can be well utilized without waste.

[0035] In the specific implementation process of this Embodiment 1, as Figure 2 shown, the locking mechanism 2 includes a pull rod assembly 21, a rotating assembly 22, and a fixing assembly 23. One end of the rotating assembly 22 is connected to the pull rod assembly 21, and the other end is connected to the fixing assembly 23. The fixing assembly 23 is connected to the powder bin 4.

[0036] More specifically, the user slides the pull rod assembly 21 to drive the rotating assembly 22. The rotating assembly 22 is connected to the powder bin 4. By converting the horizontal displacement of the pull rod assembly 21 into the vertical displacement of the rotating assembly 22, the unlocking and locking of the powder bin 4 are driven.

[0037] In the specific implementation process of Embodiment 1, as Figure 4 shown, the pull rod assembly 21 includes a pull rod 211, and the pull rod 211 is movably connected to the rotating assembly 22.

[0038] More specifically, the pull rod assembly 21 includes a pull rod 211. One end of the pull rod 211 passes through the cover 14 of the housing assembly 1. A slideway is provided on the cover 14. One end of the pull rod 211 passes through the slideway, and an armrest is provided at the other end of the pull rod 211 for the convenience of user operation.

[0039] More specifically, the powder bin 4 includes a bin body 41, a bin cover 42 and a filter element 43. As Figure 3 shown, the bin cover 42 is arranged on the bin body 41. A filter element 43 is arranged between the bin cover 42 and the bin body 41. The lower end of the bin body 41 is open, and a switch is provided at the opening at the lower end of the bin body 41.

[0040] In the specific implementation process of Embodiment 1, the rotating assembly 22 includes a sliding member 221 and a guiding and connecting unit. The sliding member 221 is movably connected to the pull rod assembly 21 through the guiding and connecting unit.

[0041] In the specific implementation process of Embodiment 1, as Figure 4 shown, the guiding and connecting unit includes a first connecting member 222, a second connecting member 223 and a third connecting member 224. The second connecting member 223 is arranged on the third connecting member 224. The second connecting member 223 is movably connected to the first connecting member 222, and the first connecting member 222 is movably connected to the sliding member 221.

[0042] More specifically, the sliding member 221 slides along the direction of the slideway on the cover 14. The sliding member 221 drives the first connecting member 222 to rotate. The first connecting member 222 further converts the horizontal displacement of the sliding member 221 into the vertical displacement of the second connecting member 223 and the third connecting member 224. The third connecting member 224 is connected to the fixing assembly 23, and further converts the displacement in the vertical direction through the fixing assembly 23 into the unlocking and fixing of the powder bin 4.

[0043] In the specific implementation process of Embodiment 1, as Figure 4 shown, a push plate 2211 and a slide rail 2212 are provided on the sliding member 221. First connecting portions 22111 are provided on both sides of the push plate 2211. The push plate 2211 is connected to the pull rod assembly 21 through the first connecting portions 22111. The push plate 2211 is connected to the slide rail 2212, and the slide rail 2212 is connected to the first connecting member 222.

[0044] More specifically, the first connecting portion 22111 is connected to the pull rod assembly 21. The user holds the pull rod assembly 21 and slides it along the slide rail of the cover body 14, and then the push plate 2211 slides along the slide rail 2212, and the slide rail 2212 drives the lifting of the first connecting member 222.

[0045] Further, the push plate 2211 is arc-shaped, which ensures the unlocking and locking of the powder bin 4 when the user places the pull rod assembly 21 at the starting end and the ending end of the slide rail along the slide rail. Figure 4 The figure shows the powder bin 4 in a locked state at this time. Since the push plate 2211 is arc-shaped, the high point of the push plate 2211 contacts the slide rail 2212, which ensures the downward movement of the rotating assembly 22, thereby locking the powder bin 4; a limiting plate is provided on one side of the push plate 2211 away from the high point, and the position of this limiting plate corresponds to one end of the slide rail 2212. When the user pushes the pull rod assembly 21 along the slide rail and the limiting plate of the push plate 2211 abuts against one side of the slide rail 2212, since the slide rail 2212 is movably connected to the first connecting member 222, when the user continues to push the pull rod assembly 21 along the slide rail, it further drives the lifting of the slide rail 2212, realizing the lifting of the rotating assembly 22.

[0046] Further, the first connecting portion 22111 and the pull rod assembly 21 can be connected by a shaft, or the first connecting portion 22111 and the pull rod assembly 21 are connected by other means such as screws, bolts or bolts, to realize the connection between the first connecting portion 22111 and the pull rod assembly 21.

[0047] In the specific implementation process of this Embodiment 1, as Figure 4 shown, the first connecting member 222 includes a first connecting arm 2221 and a first rotating arm 2222. The first rotating arm 2222 is arranged on both sides of the first connecting arm 2221. The slide rail 2212 is connected to the first connecting arm 2221, and the first rotating arm 2222 is connected to the second connecting member 223.

[0048] More specifically, the first connecting arm 2221 is connected to the slide rail 2212. The included angle between the first connecting arm 2221 and the first rotating arm 222 is greater than or equal to 90°. The first connecting arm 2221 is arranged below the slide rail 2212. The first rotating arm 222 is provided with a long hole, and the first rotating arm 222 is connected to the first connecting member 223 through the long hole.

[0049] In the specific implementation process of this Embodiment 1, as Figure 4 shown, the second connecting member 223 includes a second connecting arm 2231, a second rotating arm 2232 and an ear plate 2233. The second rotating arm 2232 is arranged on both sides of the second connecting arm 2231 and is movably connected to the first connecting member 222. The ear plate 2233 is arranged on one side of the second connecting arm 2231 and is movably connected to the third connecting member 224.

[0050] More specifically, a protrusion is provided on the second rotating arm 2232, and the diameter of the protrusion corresponds to the width of the long hole provided on the first rotating arm 222. During the lifting process of the second connecting member 223, the protrusion moves along the gap of the long hole to drive the lifting and lowering of the third connecting member 224.

[0051] In the specific implementation process of Embodiment 1, as Figure 4 shown, the third connecting member 224 includes a third rotating arm 2241 and a second connecting portion 2242. The second connecting portion 2242 is provided on the third rotating arm 2241 and is movably connected to the second connecting member 223.

[0052] More specifically, the second connecting portion 2242 is provided on the third rotating arm 2241. The second connecting portion 2242 can be provided as one or more than one. A hole is provided on the second connecting portion 2242, and the second connecting arm 2231 is axially connected to the second connecting portion 2242, thereby driving the lifting and lowering of the third connecting member 224. Since the third rotating arm 2241 is connected to the fixed component 23, the lifting and lowering of the fixed component 23 are realized, and further the unlocking and locking of the powder bin 4 are realized.

[0053] In the specific implementation process of Embodiment 1, as Figure 4 shown, the third rotating arm 2241 is provided on the fixed component 23, and the fixed component 23 is connected to the powder bin 4.

[0054] Further, the third connecting member 224 further includes a base 2243. The third rotating arm 2241 is movably connected to the base 2243, and third connecting arms are further provided on both sides of the base 2243. The third connecting arms are movably connected to the fixed component 23.

[0055] Further, the fixed component 23 is a fixed seat, and the third connecting arm is movably connected to the fixed seat.

[0056] In the specific implementation process of Embodiment 1, as Figure 5 shown, the extraction mechanism 3 includes a pressure member, and the pressure member is connected to the powder bin 4.

[0057] More specifically, the extraction mechanism 3 includes a pressure member. The pressure member is provided on the housing assembly 1, and the pressure member is connected to the powder bin 4 through a circuit. The pressure member can apply pressure to the liquid in the powder bin 4.

[0058] In the specific implementation process of Embodiment 1, as Figure 5 shown, the extraction mechanism 3 further includes an ultrasonic member, and the ultrasonic member is connected to the powder bin 4.

[0059] More specifically, the ultrasonic component is connected to the powder bin 4 and ultrasonically treats the liquid in the powder bin 4, which can enable better extraction of the coffee powder in the powder bin 4. Ultrasonic cavitation effect: When ultrasonic waves propagate in a liquid, due to the periodic change of the pressure wave, the tiny bubbles (cavitation nuclei) in the liquid will experience the processes of vibration, growth, and energy aggregation. When the energy inside these bubbles reaches a certain threshold, they will rapidly collapse and close. The temperature can reach up to 5000K and the pressure can reach 1800atm instantaneously when the bubbles collapse, which can accelerate the contact area between cold water and coffee powder and improve the cold extraction efficiency.

[0060] In the specific implementation process of this Embodiment 1, as Figure 5 shown, the housing assembly 1 includes a housing 11 and a refrigeration module 12 disposed inside the housing 11, and the cold end of the refrigeration module 12 is connected to the powder bin 4.

[0061] More specifically, the housing assembly 1 includes a housing 11, with a refrigeration module 12 provided on one side of the housing 11 and a water tank 13 provided on the other side. A heat dissipation plate 15 is further provided on one side of the refrigeration module 12, and the heat dissipation plate 15 is provided with heat dissipation holes, which can be square, circular, diamond-shaped, and other shapes. The water tank 13 is connected to the refrigeration module 12 through a pipeline, and pipelines are also provided inside the refrigeration module 12. The water in the water tank 13 enters the refrigeration module 12 through the pipeline and is connected to the powder bin 4 after being refrigerated by the refrigeration module 12. A water injection hole is provided on the bin cover 42, and the refrigerated water can enter the inside of the bin body 41 through the water injection hole.

[0062] A cover body 14 is provided at the top of the housing 11, and a slideway is provided at the corresponding position of the cover body 14 and the pull rod assembly 21.

[0063] Further, after the user turns on this cold brew coffee machine, the refrigeration module 12 starts refrigerating. The user selects the liquid output volume of the coffee according to their own needs and adds the required amount of coffee powder into the powder bin 4. The powder bin 4 is locked by the locking mechanism 2. At this time, the corresponding pressure component is opened, and the extraction time is the set time. The pressure component ensures that the pressure in the powder bin 4 is lower than 5 bar at the initial stage of the set time for pre-soaking the coffee. At the later stage of the set time, the pressure rises to 8 bar to open the water tank 13 for water injection, and at the same time, the ultrasonic component is turned on until the set extraction time. After the extraction is completed, the switch at the lower opening of the bin body 41 is opened, and an external cup is taken to hold the extracted coffee. At this time, the prepared coffee is classic cold brew coffee. The cold extraction time of this cold brew coffee machine is shortened from the traditional 14 hours to within a few minutes. Due to the short extraction time, less flavor molecules volatilize, so it can retain the flavor and aroma of the coffee beans themselves. From the perspective of the compound composition of the coffee liquid, compared with traditional cold brew coffee, under the same conditions, it can achieve extracting similar aromas and more organic compounds in a shorter time.

[0064] In the specific implementation process of this Embodiment 1, as Figure 6 and Figure 7 shown, the cold brew coffee machine further includes a jet assembly 5, and the jet assembly 5 is connected to the open end of the powder bin 4.

[0065] More specifically, different users have different tastes. The jet assembly 5 can provide users with diverse coffee tastes. The use of the jet assembly 5 can inject gas into the coffee liquid, generating a dense texture and giving the coffee a certain thickness.

[0066] Furthermore, the open end of the powder bin 4 is connected to the jet assembly 5, and the specific connection is a threaded connection or other snap - slot connections and other detachable connection methods.

[0067] In the specific implementation process of this Embodiment 1, as Figure 8 and Figure 9a - Figure 9b shown, the jet assembly 5 includes a nozzle 51, a suction chamber 52, a mixing tube 53, and a diffuser tube 54. One end of the suction chamber 52 is connected to the open end of the powder bin 4, and the other end is connected to the mixing tube 53. The mixing tube 53 is sequentially connected to the diffuser tube 54 and the nozzle 51.

[0068] More specifically, the jet assembly 5 shoots out high - pressure and high - flow - rate water at high speed through the nozzle 51 of the diffuser tube 54. The air in the suction chamber 52 is continuously carried away, forming a local vacuum. Under the action of atmospheric pressure, the already brewed coffee enters through the suction chamber 52, mixes with the gas at high speed, disrupts the original arrangement state of the coffee liquid composition molecules, mixes a certain amount of gas into the coffee liquid, and then flows out through the diffuser tube 52, making the coffee liquid have a certain dense texture. At this time, it is cream cold brew coffee.

[0069] In the specific implementation process of this Embodiment 1, as Figure 10 shown, the cold brew coffee machine further includes a quick - release assembly 6, and the jet assembly 5 is connected to the open end of the powder bin 4 through the quick - release assembly 6.

[0070] More specifically, the quick - release assembly 1 includes a first quick - release part 61 and a second quick - release part 62. The first quick - release part 61 and the second quick - release part 62 are detachably connected. The detachable connection includes other detachable connection methods such as a slot, a snap, a slide rail, or a thread. The first quick - release part 61 is detachably connected to the open end of the powder bin 4. When the user needs to prepare cream cold brew coffee, the jet assembly 5 can be installed through the quick - release assembly 6.

[0071] Furthermore, the cold brew coffee machine is also provided with a water tray, and the water tray is detachably connected to the housing 11. The detachable connection includes other detachable connection methods such as a slot, a snap, a slide rail, or a magnetic attraction, making it simple and convenient for the user to take and place the water tray.

[0072] Furthermore, the cold brew coffee machine is also provided with a shock absorption component, which reduces the vibration noise during extraction by setting up the shock absorption component.

[0073] Furthermore, the cold brew coffee machine is also provided with a sterilization component. The sterilization component can adopt any combination of ultraviolet lamps and ozone modules. Of course, other sterilization methods can also be adopted. The sterilization component is used to sterilize the water quality to ensure that the coffee is safer to drink. At the same time, if it is damaged, it is convenient and simple to replace.

[0074] In the specific implementation process of this Embodiment 1, the cold brew coffee machine is connected to a terminal device, and the terminal device is a mobile phone, a computer, a tablet or other devices with a display screen. Users can set the status of the cold brew coffee machine on the terminal device, such as selecting the liquid output volume, the liquid output temperature, the suitable extraction scheme for coffee beans, the ultrasonic power, the gas flow rate of the jet component, etc., making the use of the cold brew coffee machine more convenient and intelligent.

[0075] Embodiment 2

[0076] A coffee cold brew method, applying the cold brew coffee machine described in Embodiment 1, as Figure 11 shown, includes the following steps:

[0077] Step S1: Start the cold brew coffee machine;

[0078] In the specific implementation, the process of starting the cold brew coffee machine specifically includes detecting the water storage volume through the liquid level sensor in the internal water tank 13 of the cold brew coffee machine to obtain the corresponding water storage volume result; detecting the internal environment temperature of the cold brew coffee machine through the temperature sensor inside the cold brew coffee machine to obtain the corresponding temperature detection result; and detecting the position of the pull rod assembly 21 in the locking mechanism 2 of the cold brew coffee machine to obtain the corresponding state result of the pull rod assembly 21. Among them, the water storage volume result, the temperature detection result and the pull rod state result are integrated to obtain an initialization detection result. If the initialization detection result is qualified, perform work initialization to obtain the initialized cold brew coffee machine. If the initialization detection result is unqualified, troubleshoot through an abnormal detection report, and then perform work initialization based on the cold brew coffee machine after troubleshooting to obtain the initialized cold brew coffee machine;

[0079] Step S2: Select a coffee cold brew scheme and the coffee liquid output volume;

[0080] The coffee cold brew scheme includes classic cold brew coffee and cream cold brew coffee, and the coffee liquid output volume information is used to determine the target output of this coffee extraction;

[0081] Step S3: Make the corresponding cold brew coffee according to the coffee cold brew scheme and the coffee liquid output volume.

[0082] In a specific implementation, production is carried out according to the selected cold brew coffee solution. If the selected one is classic cold brew coffee, the jet component 5 and the quick-release component 6 are removed, and the pressure component and the ultrasonic component are used for extraction to prepare classic cold brew coffee. If the selected one is cream cold brew coffee, the jet component 5 is installed through the quick-release component 6. After the pressure component and the ultrasonic component are used for extraction, the jet component 5 works to provide a dense texture, and then the cream cold brew coffee is prepared.

[0083] In summary, when the cold brew coffee machine of the present utility model is in use, the powder bin 4 is unlocked by the locking mechanism 2. After adding coffee powder into the powder bin 4, the powder bin 4 is locked by the locking mechanism 2. After locking, the extraction mechanism 3 is opened to extract the coffee in the powder bin 4. After the extraction is completed, a cup is placed at the corresponding position of the opening end of the powder bin 4, and the switch is opened to receive the cold brew coffee. The cold brew coffee prepared by this cold brew coffee machine has a short preparation time and a good coffee flavor, can meet the needs of users, and can prepare a cup of classic cold brew coffee in a short time, realizing making and selling on the spot, so that the coffee powder can be well utilized without waste.

[0084] The above is only the preferred specific implementation manner of the present utility model, but the protection scope of the present utility model is not limited thereto. Any changes or substitutions that can be easily thought of by those skilled in the art within the technical scope disclosed by the present utility model should be covered within the protection scope of the present utility model. Therefore, the protection scope of the present utility model should be subject to the protection scope of the claims.

Claims

1. A cold brew coffee machine, characterized in that: The invention comprises a shell component (1), a locking mechanism (2), an extraction mechanism (3) and a powder bin (4); the extraction mechanism (3) and the powder bin (4) are arranged in the shell component (1); the locking mechanism (2) is located outside the shell component (1) and is connected to the powder bin (4); the powder bin (4) is also connected to the extraction mechanism (3); when in use, after the powder bin (4) is locked by the locking mechanism (2), the extraction mechanism (3) extracts the coffee in the powder bin (4).

2. The cold brew coffee machine according to claim 1, characterized in that: The locking mechanism (2) comprises a pull rod assembly (21), a rotating assembly (22) and a fixed assembly (23); the pull rod assembly (21) is connected to the fixed assembly (23) via the rotating assembly (22); and the fixed assembly (23) is connected to the powder bin (4).

3. The cold brew coffee machine according to claim 2, characterized in that: The pull rod assembly (21) comprises a pull rod (211), and the pull rod (211) is movably connected to the rotating assembly (22).

4. The cold brew coffee machine according to claim 2, characterized in that: The rotating assembly (22) comprises a sliding member (221) and a guide connection unit, and the sliding member (221) is movably connected to the pull rod assembly (21) via the guide connection unit.

5. The cold brew coffee machine according to claim 4, characterized in that: The guide connection unit is arranged on the fixing component (23), and the fixing component (23) is connected to the powder bin (4).

6. The cold brew coffee machine according to any one of claims 1 to 5, characterized in that: The extraction mechanism (3) comprises a pressure piece, and the pressure piece is connected to the powder bin (4).

7. The cold brew coffee machine according to claim 6, characterized in that: The extraction mechanism (3) further comprises an ultrasonic component, and the ultrasonic component is connected to the powder bin (4).

8. The cold brew coffee machine according to claim 6, characterized in that: The housing assembly (1) comprises a housing (11) and a refrigeration module (12) arranged in the housing (11), and a cold end of the refrigeration module (12) is connected to the powder bin (4).

9. The cold brew coffee machine according to claim 6, characterized in that: The cold brew coffee machine also includes a jet component (5), and the jet component (5) is connected to the open end of the powder bin (4).

10. The cold brew coffee machine according to claim 9, characterized in that The jet assembly (5) comprises a nozzle (51), an inhalation chamber (52), a mixing tube (53) and a diffusion tube (54); one end of the inhalation chamber (52) is connected to the open end of the powder bin (4), and the other end is connected to the mixing tube (53); the mixing tube (53) is connected to the diffusion tube (54) and the nozzle (51) in sequence.

11. The cold brew coffee machine according to claim 9, characterized in that: The cold brew coffee machine also includes a quick-release assembly (6), and the jet assembly (5) is connected to the open end of the powder bin (4) via the quick-release assembly (6).

12. The cold brew coffee machine according to claim 9, characterized in that The cold brew coffee machine is connected to the terminal device.

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