Coffee brewing box and coffee brewing device using same

Abstract

The utility model discloses a coffee brewing box and a coffee brewing device applying the same, the coffee brewing box comprises a first box body, a top cover arranged on the first box body and a discharging mechanism for coffee liquid after brewing to flow out, the first box body comprises a box body main body used for containing coffee powder and introducing brewing water, and the first box body main body is provided with a water inlet and a water outlet. The top cover can open and close the box main body; the top cover comprises a cover plate and a powder pressing part, the cover plate can cover the top of the box body, the powder pressing part is arranged on the bottom face of the cover plate, and therefore when the top cover is closed, the powder pressing part is located in the box body, and coffee powder in the box body is compacted.

Description

Technical Field

[0001] The utility model relates to a beverage brewing device, in particular to a coffee brewing box and a coffee brewing device applying the coffee brewing box. Background Art

[0002] As a symbolic beverage of modern life taste, coffee is gradually entering people's daily work, study and life. The coffee processing process includes the following steps: grinding coffee beans into coffee powder; loading the coffee powder into a coffee box; and squeezing the coffee powder in the coffee box into a certain shape and then extracting it.

[0003] Under normal conditions, coffee powder is prone to losing its fragrance due to oxidation. Therefore, a coffee grinder that can grind coffee beans into coffee powder and perform powder pressing and extraction by ordinary consumers has emerged. For example, a fully automatic coffee bean grinding, powder pressing and brewing device disclosed in a Chinese patent with the application number 202220967168.X includes a brewing bracket; a powder pressing mechanism installed inside and on one side of the brewing bracket for powder pressing; a grinding mechanism arranged on one side of the brewing bracket for grinding coffee beans; a container arranged inside the brewing bracket and located below the powder pressing mechanism; and a water outlet pipe communicated with the brewing bracket.

[0004] For this kind of coffee brewing device, a separate powder pressing mechanism, a powder pressing head and a driving mechanism are required, which will lead to a complex overall structure of the machine and an increase in cost. Therefore, it still needs to be improved. Summary of the Utility Model

[0005] The first technical problem to be solved by the utility model is to provide a coffee brewing box that can simplify the powder pressing structure and reduce costs in view of the deficiencies of the above-mentioned prior art.

[0006] The second technical problem to be solved by the utility model is to provide a coffee brewing device applying the above-mentioned coffee brewing box.

[0007] The technical solution adopted by the utility model to solve the first technical problem is as follows: A coffee brewing box includes a first box body, a top cover arranged on the first box body, and a discharging mechanism for the outflow of brewed coffee liquid. The first box body includes a box body main body for accommodating coffee powder and introducing brewing water. The top cover can open and close the box body main body. It is characterized in that:

[0008] The top cover includes a cover plate and a powder pressing part. The cover plate can cover the top of the box body main body. The powder pressing part is arranged on the bottom surface of the cover plate. Thus, when the top cover is closed, the powder pressing part is located inside the box body main body to compact the coffee powder in the box body main body.

[0009] The top cover of the brewing box is used to achieve powder pressing, so that there is no need to separately set a powder pressing structure additionally, which can simplify the structure and reduce costs.

[0010] Preferably, the top cover further includes a connecting portion located on the side surface of the cover plate. There is a rotating shaft on the connecting portion. The first box body further includes a flange formed on the outer periphery of the box body main body. The rotating shaft cooperates with the flange so that the top cover is rotationally constrained on the first box body.

[0011] Furthermore, a sliding groove is formed at the position where the flange cooperates with the rotating shaft. The rotating shaft is movably matched with the sliding groove, so that the rotating shaft can not only rotate relative to the flange but also lift relative to the flange. Thus, after the top cover is closed, the whole top cover can be pressed down to compact the coffee powder in the first box body, realizing uniform powder pressing.

[0012] Furthermore, to simplify the operation and make the top cover automatically reset after powder pressing, a connecting groove is formed on the bottom surface of the connecting portion of the top cover. A receiving groove is formed in the flange of the first box body. The receiving groove is formed by recessing downward from the top surface of the flange. A top column is arranged in the receiving groove. The top end of the top column is located in the connecting groove. The top column keeps a tendency to jack up the top cover upward.

[0013] Preferably, an elastic member for keeping the top column in an upward moving tendency is further arranged in the receiving groove.

[0014] Furthermore, a filter screen is arranged on the bottom surface in the box body main body to filter the brewed coffee liquid.

[0015] Furthermore, a perforation is formed at the bottom of the box body main body, so that the inside of the box body main body is in fluid communication with the discharging mechanism.

[0016] Furthermore, to facilitate the installation of the discharging mechanism and the discharging of coffee liquid, the coffee brewing box further includes a second box body fixed to the first box body. At least part of the second box body is located below the first box body;

[0017] The discharging mechanism includes a first discharging member partially placed in the second box body and a second discharging member arranged below the bottom of the second box body. The first discharging member includes a discharging cylinder for receiving the coffee liquid coming from the first box body and a column body for fluidly connecting the discharging cylinder and the second discharging member. The column body passes through the discharging cylinder and the second box body, so that part of the column body is located in the second box body and the rest is located below the second box body.

[0018] The technical solution adopted by the present utility model to solve the above second technical problem is: a coffee brewing device, including a machine shell, characterized in that: the brewing box as described above is installed on the machine shell through a mounting rack.

[0019] For the convenience of installing the brewing box and supplying water to the brewing box, the mounting rack includes a rack body fixed to the machine housing and a cover body capable of rotating relative to the rack body. The brewing box is installed on the rack body, and the cover body can cover or open the brewing box. A water supply port is provided on the cover body. The brewing box further includes a top cover provided on the first box body, and a water receiving hole is opened on the top cover. The water receiving hole corresponds to the position of the water supply port of the mounting rack, and the water receiving hole is in fluid communication with the inside of the first box body.

[0020] Compared with the prior art, the advantages of the present utility model are as follows: The top cover of the brewing box is used to realize powder pressing, so that there is no need to separately set a powder pressing structure additionally, which can simplify the structure and reduce the cost. Description of the Drawings

[0021] Figure 1 Schematic diagram of the coffee brewing device according to an embodiment of the present utility model;

[0022] Figure 2 Schematic diagram of the cooperation between the mounting rack and the brewing box of the coffee brewing device according to an embodiment of the present utility model (closed state);

[0023] Figure 3 Schematic diagram of the cooperation between the mounting rack and the brewing box of the coffee brewing device according to an embodiment of the present utility model (open state);

[0024] Figure 4 Schematic diagram of the mounting rack of the coffee brewing device according to an embodiment of the present utility model;

[0025] Figure 5 Schematic diagram of the brewing box of the coffee brewing device according to an embodiment of the present utility model (closed state);

[0026] Figure 6 Exploded structure schematic diagram of the brewing box of the coffee brewing device according to an embodiment of the present utility model;

[0027] Figure 7 Exploded structure schematic diagram of the brewing box of the coffee brewing device according to an embodiment of the present utility model (from Figure 6 different perspectives);

[0028] Figure 8 Cross-sectional view of the brewing box of the coffee brewing device according to an embodiment of the present utility model (closed state);

[0029] Figure 9 Schematic diagram of the brewing box of the coffee brewing device according to an embodiment of the present utility model (open state);

[0030] Figure 10 Cross-sectional view of the brewing box of the coffee brewing device according to an embodiment of the present utility model (open state). Detailed Description of the Embodiment

[0031] Embodiments of the present utility model will be described in detail below. Examples of the embodiments are shown in the accompanying drawings, where the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions.

[0032] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Since the disclosed embodiments of the present utility model can be arranged in different directions, these terms indicating directions are only for illustration and should not be regarded as limitations. For example, "upper" and "lower" are not necessarily limited to the directions opposite to or consistent with the direction of gravity. In addition, features defined as "first" and "second" may explicitly or implicitly include one or more of such features.

[0033] See Figures 1 to 4 , a coffee brewing device, comprising a housing 1 and a brewing box 2. The brewing box 2 is mounted on the housing 1 through a mounting bracket 3, and the brewing box 2 is located outside the housing 1. A water tank, a water pump, a heating device, etc. are provided inside the housing 1, which are the same as the prior art and will not be described in detail here.

[0034] The mounting bracket 3 includes a frame body 31 fixed to the housing 1 and a cover body 32 that can rotate relative to the frame body 31. The brewing box 2 is mounted on the frame body 31. The brewing box 2 passes through the frame body 31 in the up and down direction and can be detachably mounted on the frame body 31. The cover body 32 can cover the top of the brewing box 2 or rotate away from the brewing box 2 relative to the frame body 31. At this time, the brewing box 2 can be opened to add coffee powder. A water supply port 321 is provided on the cover body 32. The water supply port 321 can be communicated with the heating device (or water pump) inside the housing 1 through a water pipe. When the cover body 32 covers the top of the brewing box 2, the water supply port 321 faces the top of the brewing box 2. Thus, water can be supplied to the brewing box 2 through the water supply port 321.

[0035] See Figures 5 to 10, the brewing box 2 includes a first box body 21, a second box body 22, a top cover 24 and a discharging mechanism. Among them, the first box body 21 is in the shape of a hollow box body with an open top, and it is used to be fixedly installed with the frame body 31 of the mounting frame 3. The first box body 21 includes a box body main body 211 that is generally cylindrical and a flange 212 formed on the outer periphery of the box body main body 211. The box body main body 211 is used to accommodate coffee powder, and the flange 212 can be used to be installed with the frame body 31 of the mounting frame 3. The top cover 24 is arranged on the first box body 21 and can rotate relative to the first box body 21, so as to be able to close the box body main body 211 or open the box body main body 211. A water receiving hole 241 is opened on the top cover 24, and the water receiving hole 241 corresponds to the position of the water supply port 321 of the mounting frame 3. The water receiving hole 241 penetrates through the upper and lower ends of the top cover 24, so as to be in fluid communication with the inside of the box body main body 211. Thus, hot water can enter the box body main body 211 through the water supply port 321 and the water receiving hole 241.

[0036] The second box body 22 is in the shape of a hollow box body with an open top, and at least part of the second box body 22 is located below the first box body 21. The box body main body 211 includes a first part 2111 and a second part 2112 arranged up and down, and the two are integrally formed. Among them, the diameter of the second part 2112 is smaller than that of the first part 2111. The second box body 22 is arranged at intervals below the first part 2111.

[0037] The top cover 24 further includes a cover plate 242, a powder pressing part 243 and a connecting part 244. The powder pressing part 243 is arranged on the bottom surface of the cover plate 242, that is, on the side of the cover plate 242 facing the inside of the first box body 21. The above-mentioned water receiving hole 241 penetrates through the cover plate 242 and the powder pressing part 243 in the height direction. The size of the cover plate 242 is larger than the open top of the box body main body 211 of the first box body 21, and can cover the top of the box body main body 211 to close the first box body 21, and the powder pressing part 243 is located inside the box body main body 211 when the top cover 24 is closed. The connecting part 244 is located on the side surface of the cover plate 242, and a rotating shaft 245 is arranged on its side surface, which cooperates with the flange 212 of the first box body 21, so that the top cover 24 can be rotationally constrained on the first box body 21 relative to the first box body 21.

[0038] The box body main body 211 is used to accommodate coffee powder. The space where the coffee powder can be loaded includes the first part 2111 and the second part 2112. When the top cover 24 is closed, the coffee powder is compressed between the bottom surface of the powder pressing part 243 and the bottom surface of the second part 2112. A filter screen 262 can be arranged on the bottom surface of the second part 2112 to filter coffee liquid.

[0039] To better achieve powder pressing and avoid uneven powder pressing caused by rotational movement when the top cover 24 is closed, the top cover 24 can be lifted and lowered relative to the first box body 21. For this purpose, the position where the flange 212 cooperates with the rotating shaft 245 is formed as a sliding groove 2121, and the rotating shaft 245 is movably fitted with the sliding groove 2121, so that the rotating shaft 245 can not only rotate relative to the flange 212 (the axis of rotation is horizontal in the use state), but also lift relative to the flange 212.

[0040] In addition, a connecting groove 246 is formed on the bottom surface of the connecting portion 244 of the top cover 24. A receiving groove 215 is formed inside the flange 212 of the first box body 21. The receiving groove 215 is formed by recessing downward from the top surface of the flange 212. The position of the receiving groove 215 corresponds to that of the connecting groove 245. A top column 216 is arranged in the receiving groove 215. The top end of the top column 216 is preferably spherical. The top end of the top column 216 is located in the connecting groove 246. The shape and size of the connecting groove 246 are adapted to the top end of the top column 216, so that the top cover 24 can rotate relative to the first box body 21. An elastic member 217 is also arranged in the receiving groove 215. It is preferably a spring. The bottom of the elastic member 217 abuts against the bottom surface of the receiving groove 215, and the top of the elastic member 217 abuts against the top column 216 (it can abut against the bottom or the peripheral wall of the top column 216), so that the top column 216 maintains a tendency to move upward, thereby pushing the top cover 24 upward.

[0041] After loading the coffee powder, rotate the top cover 24 relative to the first box body 21 to close the first box body 21. Then, press the top cover 24 downward to evenly compact the coffee powder in the first box body 21. The top cover 24 can be automatically reset under the action of the top column 216, so as to press the top cover 24 downward again for powder pressing operation.

[0042] A perforation 213 is formed in the bottom of the box body main body 211 of the first box body 21, so that the first box body 21 is in fluid communication with the discharging mechanism located below it. The discharging mechanism includes a first discharging member 251 partially placed in the second box body 22 and a second discharging member 252 arranged under the bottom of the second box body 22. The first discharging member 251 includes a hollow discharging cylinder 2511 with an open top end, which is fixedly arranged in the second box body 22. The coffee liquid that has been extracted and brewed in the first box body 21 flows into the discharging cylinder 2511. The first discharging member 251 further includes a cylinder 2512. The cylinder 2512 passes through the discharging cylinder 2511 and the second box body 22, so that part of it is located in the second box body 22 and part of it is located below the second box body 22. The cylinder 2512 is a hollow cylinder with an open bottom end. On the part of the cylinder 2512 above the bottom surface of the discharging cylinder 2511, a first discharging port 2513 is formed on its peripheral wall. The first discharging port 2513 is in fluid communication with the inside of the cylinder 2512. Thus, the coffee liquid in the discharging cylinder 2511 can enter the inside of the cylinder 2512 through the first discharging port 2513. A second discharging port 2521 is formed on the second discharging member 252, which is in fluid communication with the inside of the cylinder 2512. The coffee liquid flowing out of the second discharging port 2521 can be received in a user's container, such as a coffee cup.

[0043] As used in the present utility model, "fluid communication" refers to the spatial position relationship between two components or parts (hereinafter uniformly referred to as the first part and the second part respectively), that is, fluid (gas, liquid or a mixture of both) can flow along the flow path from the first part and / or be transported to the second part. It can be that the first part and the second part are directly connected, or the first part and the second part are indirectly connected through at least one third party. The third party can be a fluid passage such as a pipe, a channel, a conduit, a flow guiding member, a hole, a groove, etc., or a chamber allowing fluid to flow through or a combination of the above.

Claims

1. A coffee brewing box, comprising a first box body (21), a top cover (24) arranged on the first box body (21), and a discharge mechanism for the brewed coffee liquid to flow out, wherein the first box body (21) comprises a box body main body (211) for accommodating coffee powder and passing brewing water, and the top cover (24) can open and close the box body main body (211); characterized in that: The top cover (24) comprises a cover plate (242) and a powder pressing portion (243), wherein the cover plate (242) can cover the top of the box body (211), and the powder pressing portion (243) is arranged on the bottom surface of the cover plate (242), so that when the top cover (24) is closed, the powder pressing portion (243) is located inside the box body (211), thereby compacting the coffee powder inside the box body (211).

2. The coffee brewing box according to claim 1, characterized in that: The top cover (24) also includes a connecting portion (244), the connecting portion (244) is located on the side of the cover plate (242), and a rotating shaft (245) is provided on the connecting portion (244). The first box body (21) also includes a flange (212) formed on the outer periphery of the box body (211), and the rotating shaft (245) cooperates with the flange (212) so that the top cover (24) is rotationally constrained on the first box body (21).

3. The coffee brewing box according to claim 2, characterized in that: A slide groove (2121) is formed at the position where the flange (212) and the rotating shaft (245) cooperate, and the rotating shaft (245) and the slide groove (2121) are movably matched, so that the rotating shaft (245) can both rotate relative to the flange (212) and rise and fall relative to the flange (212).

4. The coffee brewing box according to claim 3, characterized in that: A connecting groove (246) is formed on the bottom surface of the connecting portion (244) of the top cover (24), and a receiving groove (215) is formed in the flange (212) of the first box body (21), wherein the receiving groove (215) is formed by the top surface of the flange (212) being recessed downward, and a top column (216) is arranged in the receiving groove (215), and the top end of the top column (216) is located in the connecting groove (246), and the top column (216) maintains a tendency to lift the top cover (24) upward.

5. The coffee brewing box according to claim 4, characterized in that: An elastic member (217) is also provided in the accommodating groove (215) to enable the top column (216) to maintain an upward movement trend.

6. The coffee brewing box according to any one of claims 1 to 5, characterized in that: A filter screen (262) is provided on the bottom surface of the box body (211).

7. The coffee brewing box according to any one of claims 1 to 5, characterized in that: A through hole (213) is provided at the bottom of the box body (211), so that fluid communication between the box body (211) and the discharge mechanism is achieved.

8. The coffee brewing box according to claim 7, characterized in that: The coffee brewing box further comprises a second box body (22) fixed to the first box body (21), wherein the second box body (22) is at least partially located below the first box body (21); The discharging mechanism includes a first discharging member (251) partially placed in the second box body (22) and a second discharging member (252) arranged under the bottom of the second box body (22), the first discharging member (251) includes a discharging cylinder (2511) for receiving coffee liquid from the first box body (21) and a column (2512) for connecting the fluid of the discharging cylinder (2511) and the second discharging member (252), the column (2512) passes through the discharging cylinder (2511) and the second box body (22), so that part of the column (2512) is located in the second box body (22) and the rest is located below the second box body (22).

9. A coffee brewing device, comprising a housing (1), characterized in that: The brewing box according to any one of claims 1 to 8 is mounted on the casing (1) via a mounting frame (3).

10. The coffee brewing device according to claim 9, characterized in that: The mounting frame (3) comprises a frame body (31) fixed to the housing (1) and a cover body (32) rotatable relative to the frame body (31); the brewing box is mounted on the frame body (31); the cover body (32) can cover or open the brewing box; a water supply port (321) is provided on the cover body (32); the brewing box further comprises a top cover (24) arranged on the first box body (21); a water receiving hole (241) is provided on the top cover (24); the water receiving hole (241) corresponds to the position of the water supply port (321) of the mounting frame (3); and the water receiving hole (241) is in communication with the fluid in the first box body (21).

Images