Coffee brewing assembly and coffee machine

Abstract

The utility model provides a coffee brewing assembly and a coffee machine, the coffee brewing assembly comprises: a support having a base, the base is provided with an annular mounting groove with a downward opening and a powder outlet arranged in the annular mounting groove, and the upper surface of the annular mounting groove is provided with a water inlet; the annular shower head is hermetically arranged in the annular mounting groove, and a plurality of spraying openings are uniformly formed in the circumferential direction of the annular shower head; the powder door is arranged below the powder outlet; and the driving assembly is used for driving the powder door to open or close the powder outlet. The coffee brewing assembly is simple in structure, the annular shower head is easy and convenient to disassemble and assemble, a large and even spraying range can be provided, and coffee can be extracted more effectively.

Description

Technical Field

[0001] The utility model relates to the technical field of household appliances, in particular to a coffee brewing component and a coffee machine. Background Art

[0002] At present, there are various types of grinding coffee machines on the market. Taking the utility model with the Chinese patent publication number CN214072943U as an example, a powder outlet is arranged at the bottom of the bean grinding component. The powder outlet is opened or closed by a movable baffle, and coffee powder enters the filter through the powder outlet, resulting in a fixed powder dropping position in the filter. When brewing coffee with this grinding coffee machine product, the shower head is fixed under the movable baffle, and the size of the shower head is equivalent to that of the powder outlet, so that the water dropping range is limited. Moreover, the coffee powder is scattered on the filter, resulting in insufficient coffee extraction. Summary of the Utility Model

[0003] The purpose of the utility model is to provide a coffee brewing component and a coffee machine, so as to solve the foregoing problems existing in the prior art.

[0004] In order to achieve the above purpose, the technical solution adopted by the utility model is as follows:

[0005] On the one hand, the utility model provides a coffee brewing component, which includes: a bracket with a base, the base is provided with a downward-opening annular installation groove and a powder outlet arranged inside the annulus, and a water inlet is arranged on the upper surface of the annular installation groove; an annular shower head, which is hermetically arranged in the annular installation groove and is circumferentially and evenly provided with a plurality of spray holes; a powder door, which is arranged below the powder outlet; a driving component, which is used to drive the powder door to open or close the powder outlet.

[0006] Exemplarily, the driving component includes: a synchronous motor and a dial block, the output shaft of the synchronous motor is detachably connected to one side of the dial block, and the other side of the dial block is detachably connected to one end of a rocker arm, and the other end of the rocker arm is hinged to the powder door.

[0007] Exemplarily, the base is provided with a round hole, and the dial block includes: a mounting head and a dial rod, one side of the mounting head is provided with a mounting groove, the mounting groove is detachably connected to the output shaft of the synchronous motor, and the other side of the mounting head is provided with a cross-shaped protrusion; one end of the rocker arm is provided with a cross-shaped hole that is detachably connected to the cross-shaped protrusion passing through the round hole.

[0008] Exemplarily, the base of the bracket is provided with a long strip-shaped limiting hole, and one side edge of the powder door is provided with a connection hole; one end of a pin passes through the waist-shaped hole at the other end of the rocker arm and is fixedly connected to the powder door, and the other end of the pin passes through the long strip-shaped limiting hole and can move in the waist-shaped hole and the long strip-shaped limiting hole.

[0009] Exemplarily, the brewing coffee assembly further includes: a travel detection assembly; the travel detection assembly includes: a first switch and a second switch spaced apart on the base, for detecting the open or closed state of the powder door; when the powder door is in the open position, the lever of the dial block touches the first switch, and when the powder door is in the closed position, the lever of the dial block touches the second switch.

[0010] Exemplarily, the annular mounting groove is formed by the base being recessed upward. The base is circumferentially provided with a plurality of positioning grooves on the outer circumferential edge of the annular mounting groove. The outer circumference of the annular shower head is circumferentially provided with a mounting portion, and the positioning grooves are tightly connected to the mounting portion.

[0011] Exemplarily, the outer ring and the inner ring ends of the annular mounting groove are respectively provided with sealing grooves, and sealing rings are arranged in the sealing grooves, so that the annular mounting groove is hermetically connected to the outer ring and the inner ring of the annular shower head respectively.

[0012] Exemplarily, the annular shower head has a receiving groove, and a plurality of guiding ribs are arranged in the receiving groove.

[0013] Exemplarily, the brewing coffee assembly further includes: a first support member and a second support member respectively disposed on both sides of the powder outlet. The first support member and the second support member are respectively provided with a first guide rail and a second guide rail, and the powder door slides in the two guide rails.

[0014] On the other hand, the present invention provides a coffee machine, which includes the brewing coffee assembly and the bean grinding assembly as described above. The bean grinding assembly is disposed on the upper surface of the bracket base and is provided with a powder channel, and the powder outlet of the powder channel is hermetically connected to the powder outlet.

[0015] The beneficial effects of the present invention are:

[0016] The brewing coffee assembly of the present invention has a simple structure. The annular shower head sprays hot water evenly and has a large spraying range, which can better extract coffee. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is an exploded view of a brewing coffee assembly proposed by the present invention;

[0018] Figure 2 is a schematic assembly structure diagram of a brewing coffee assembly proposed by the present invention;

[0019] Figure 3 is a schematic structure diagram of a brewing coffee assembly with the powder door in the closed state proposed by the present invention;

[0020] Figure 4 is an exploded view of the bottom of a brewing coffee assembly proposed by the present invention;

[0021] Figure 5 Schematic diagram of the bottom structure of the bracket of a brewing coffee component proposed by the present utility model;

[0022] Figure 6 Schematic diagram of the upper structure of the bracket of a brewing coffee component proposed by the present utility model;

[0023] Figure 7 Schematic diagram of the dial block structure of a brewing coffee component proposed by the present utility model. Among them, Fig. (a) is the schematic diagram of the structure on the side connecting the powder door component, and Fig. (b) is the schematic diagram of the structure on the side connecting the output shaft of the motor;

[0024] Figure 8 Schematic diagram of the synchronous motor structure of a brewing coffee component proposed by the present utility model;

[0025] Figure 9 Schematic diagram of the powder channel joint structure of a brewing coffee component proposed by the present utility model;

[0026] Figure 10 Schematic diagram of the structure of the first support member and the second support member of a brewing coffee component proposed by the present utility model. Among them, Fig. (a) is the schematic diagram of the first support member structure, and Fig. (b) is the schematic diagram of the second support member structure;

[0027] Figure 11 Schematic diagram of the powder door component structure of a brewing coffee component proposed by the present utility model. Among them, Fig. (a) is the assembled structure schematic diagram of the powder door component, Fig. (b) is the schematic diagram of the powder door structure, Fig. (c) is the schematic diagram of the rocker arm structure, and Fig. (d) is the schematic diagram of the pin structure;

[0028] Figure 12 Schematic diagram of the annular shower head structure of a brewing coffee component proposed by the present utility model. Among them, Fig. (a) is the internal structure schematic diagram of the annular shower head, and Fig. (b) is the bottom surface structure schematic diagram of the annular shower head.

[0029] In the figure,

[0030] 1. Brewing coffee assembly; 11. Bean grinding assembly; 12. Powder path connector; 121. Slot hole; 122. Third boss; 13. Powder door seal; 14. Synchronous motor; 141. Output shaft; 142. Mounting hole; 15. Pusher block; 151. Fixed slot; 152. Mounting slot; 16. Second switch; 17. First switch; 18. Bracket; 181. Outer ring seal groove; 182. Inner ring seal groove; 183. Positioning slot; 184. Positioning hole; 185. Round hole; 186. Powder outlet; 187. Mounting post; 188. First boss; 189. Connecting post; 1891. Second boss; 19. Pin; 191. Pin post; 2. Powder door assembly; 20. Rocker arm; 201. Cross-shaped hole; 202. Waist-shaped hole; 21. Powder door; 211. Door body; 212. Connecting hole; 22. First O-ring; 23. Second O-ring; 24. First support; 241. First positioning post; 242. First guide rail; 25. Second support; 251. Second positioning post; 252. Second guide rail; 26. Annular shower head; 261. Mounting part; 262. Outer ring of the annular shower head; 263. Inner ring of the annular shower head; 264. Spray opening. Detailed implementation manners

[0031] In order to make the objectives, technical solutions and advantages of the present utility model clearer and more understandable, the present utility model will be further described in detail below with reference to the accompanying drawings. It should be understood that the specific implementation manners described herein are only used to explain the present utility model and are not used to limit the present utility model.

[0032] As Figure 1 and Figure 4 shown, the present utility model provides a brewing coffee assembly. The brewing coffee assembly 1 includes: a bracket 18 having a base, the base being provided with a downwardly open annular mounting groove (not shown in the figure) and a powder outlet 186 provided within the annulus, and the upper surface of the annular mounting groove being provided with a water inlet (not shown in the figure); an annular shower head 26 hermetically disposed in the annular mounting groove and circumferentially and evenly provided with a plurality of spray openings 264; a powder door 21 disposed below the powder outlet 186; and a driving assembly for driving the powder door 21 to open or close the powder outlet 186.

[0033] It should be noted that the powder outlet 186 of the present utility model is provided within the annulus of the annular mounting groove. That is to say, the annular shower head 26 is sealingly connected to the annular mounting groove, and the powder outlet 186 is provided within the annulus of the annular shower head 26 of the base but offset from the center. When the annular shower head 26 is provided with a plurality of spray openings, one of the spray openings is the closest to the powder outlet 186, and the remaining spray openings are evenly distributed on both sides. In this way, coffee can be effectively extracted and the spraying range can be expanded. The upper surface of the annular mounting groove is provided with a water inlet connection member for connecting to a water inlet system.

[0034] As shown in Figure 1 and Figure 2 Shown, as an example of the driving assembly, the driving assembly includes: a synchronous motor 14 and a shifting block 15. The output shaft 141 of the synchronous motor 14 is detachably connected to one side of the shifting block 15, and the other side of the shifting block 15 is detachably connected to one end of a rocker arm 20. The other end of the rocker arm 20 is hinged to the powder door 21.

[0035] As shown in Figure 6 and Figure 8 Shown, the synchronous motor 14 is provided with an output shaft 141, and an installation hole 142 is arranged at the edge. The installation hole 142 is fixedly connected to the connecting column 189 of the base.

[0036] As shown in Figure 6 and Figure 7 Shown, as a specific example of the shifting block, the base is provided with a round hole 185. The shifting block 15 includes: a mounting head and a shifting rod. One side of the mounting head is provided with a mounting groove 152, and the mounting groove 152 is detachably connected to the output shaft 141 of the synchronous motor 14. The other side of the mounting head is provided with a cross-shaped protrusion; one end of the rocker arm 20 is provided with a cross-shaped hole 201 that is detachably connected to the cross-shaped protrusion passing through the round hole 185.

[0037] One end of the shifting block is a circular mounting head, and the other end is a shifting rod. The end of the shifting rod is provided with an arc-shaped structure. Fixed slots 151 are arranged at the two opposite ends of the cross-shaped protrusion of the shifting block 15. The cross-shaped hole of the rocker arm 20 is in mating connection with the cross-shaped protrusion of the shifting block, and the fixed slot 15 is further fixed to the rocker arm by bolts. The shifting block 15 is arranged on the upper surface of the base, and the cross-shaped protrusion passes through the round hole 185. The mounting groove 152 is strip-shaped.

[0038] As shown in Figure 3 and Figure 11 Shown, the base of the bracket 18 is provided with a long strip-shaped limiting hole (not marked in the figure), and a connecting hole 212 is arranged at one side edge of the powder door 21; one end of a pin 19 passes through the waist-shaped hole 202 at the other end of the rocker arm 20 and is fixedly connected to the powder door 21, and the other end of the pin 19 passes through the long strip-shaped limiting hole and can move in the waist-shaped hole 202 and the long strip-shaped limiting hole.

[0039] In the present utility model, the powder door 21, the rocker arm 20 and the pin 19 form a powder door assembly 2. One end of the rocker arm 20 is a circular disc, and a cross-shaped hole is arranged in the central area. The other end is a rod-shaped structure, and a waist-shaped hole 202 through which the pin can pass and move is arranged at its end. The powder door 21 includes: a door body 211 and a connecting hole 212 arranged at the edge of the body. One end of the pin 19 is provided with a thinner pin column 191, and the pin column 191 is fixedly connected to the connecting hole 212. The other end of the pin 19 is thicker and is placed in the waist-shaped hole and the long strip-shaped limiting hole to move.

[0040] As Figure 1 and Figure 2 shown, the coffee brewing assembly (1) further includes: a travel detection assembly; the travel detection assembly includes: a first switch 17 and a second switch 16 spaced apart on a base, for detecting the open or closed state of the powder door 21; when the powder door 21 is in the open position, the lever of the toggle block 15 touches the first switch 17, and when the powder door 21 is in the closed position, the lever of the toggle block 15 touches the second switch 16.

[0041] As Figure 6 shown, the base of the bracket 18 is provided with a first boss 188 and a second boss 1891, and the first boss 188 and the second boss 1891 are provided with corresponding connection structures for mounting the first switch 17 and the second switch 16 respectively. When starting to brew coffee, when the powder door 21 is opened, the toggle block 15 rotates, and the lever touches the first switch 17, indicating that the powder door 21 is opened to the specified position and grinding starts. After grinding is completed, the powder door 21 is closed, the toggle block 15 rotates, and the lever touches the second switch 16, indicating that the powder door 21 is closed to the specified position, and the annular shower head 26 sprays. Both the first switch 17 and the second switch 16 can be microswitches. The travel position of the powder door can be accurately obtained through the first switch 17 and the second switch 16, better coordinating with coffee brewing.

[0042] As Figure 6 and Figure 12 shown, the annular mounting groove is formed by the base avoiding upward, and the base is circumferentially provided with a plurality of positioning grooves 183 at the outer edge of the annular mounting groove. The outer circumference of the annular shower head 26 is provided with a mounting portion 261, and the positioning grooves 183 are tightly connected to the mounting portion 261.

[0043] The mounting portion 261 is close to the bottom surface of the annular shower head. The mounting portion 261 is a lug structure. Both the positioning groove 183 and the mounting portion 261 are provided with threads, and the two are tightly connected by bolts.

[0044] As Figure 4 and Figure 5 shown, the outer ring and the inner ring ends of the annular mounting groove are respectively provided with sealing grooves, and sealing rings are arranged in the sealing grooves so that the annular mounting groove is hermetically connected to the outer ring and the inner ring of the annular shower head respectively.

[0045] As Figure 4 shown, the annular mounting groove is provided with an outer ring sealing groove 181 and an inner ring sealing groove 182. The first O-ring 22 and the second O-ring 23 are respectively arranged in the outer ring sealing groove 181 and the inner ring sealing groove 182. The outer ring 262 and the inner ring 263 of the annular shower head are respectively hermetically connected to the outer ring sealing groove 181 and the inner ring sealing groove 182.

[0046] As Figure 12 shown, the annular shower head 26 has a receiving groove, and a plurality of flow guiding ribs are arranged in the receiving groove for guiding and splitting the flow.

[0047] A plurality of spray nozzles 264 are uniformly arranged circumferentially on the bottom surface of the annular shower head 26, and the spray nozzles 264 are arranged staggered with the installation part 261.

[0048] As Figure 3 and Figure 10 shown, the coffee brewing assembly 1 further includes: a first support member 24 and a second support member 25 respectively arranged on both sides of the powder outlet. The first support member 24 and the second support member 25 are respectively provided with a first guide rail 242 and a second guide rail 252, and the powder door slides in the two guide rails.

[0049] As Figure 5 shown, a plurality of positioning holes 184 are arranged on the bottom surface of the bracket 18; as Figure 10 shown, two ends of the first support member 24 are respectively provided with a first positioning post 241, and two ends of the second support member 25 are respectively provided with a second positioning post 251. The first positioning post 241 and the second positioning post 251 are respectively fixedly connected to the corresponding positioning holes 184.

[0050] On the other hand, the present utility model provides a coffee machine, which includes the coffee brewing assembly as described above and a bean grinding assembly 11. The bean grinding assembly 11 is arranged on the upper surface of the base of the bracket 18 and is provided with a powder channel, and the powder outlet of the powder channel is hermetically connected to the powder outlet 186.

[0051] As Figure 4 shown, the bean grinding assembly 11 is arranged on the base of the bracket 18; the bean grinding assembly 11 has a powder channel, and the powder outlet of the powder channel is hermetically connected to the powder outlet 186; the powder outlet of the powder channel is hermetically connected to the powder outlet 186 through a powder channel joint 12 and a powder door seal 13. Specifically, as Figure 6 shown, the bean grinding assembly 11 is arranged and fixed on the mounting post 187 of the bracket 18, and it is ensured that the powder outlet of the powder channel is aligned with the powder channel joint 12. The powder outlet 186 is a square opening, that is, a quadrilateral opening, and columns for fixing the powder channel joint 12 are respectively arranged beside the diagonals of the square opening. As Figure 9As shown, the powder channel joint 12 includes: a third boss 122, which is a square boss; a limiting portion that is turned outward is provided at one end close to the square boss 122, and an installation table is formed by the end of the square boss 122 being recessed outward near the end. Slot holes 121 are respectively provided at the diagonals of the limiting portion. An installation protrusion may be provided at the upper edge of the powder outlet 186. The powder door seal 13 is sleeved on the installation protrusion and is disposed inside the powder outlet 211 of the bracket 18. The powder channel joint 12 is disposed above the powder door seal 13, that is, the third boss 122 and the limiting portion are in close contact with the powder door seal 13, and it is ensured that the third boss 122 is inserted into the powder door seal 13, so that the slot holes 121 and the column for fixing the powder channel joint 12 of the bracket 21 can be fixedly connected by bolts.

[0052] The bean grinding assembly 11 further includes other structural elements for realizing the powder discharging function, such as a cutter head, a conical cutter, a grinding motor, a speed reducer, an adjusting ring, and a bean grinding chamber, etc. Among them, by rotating the adjusting ring in different directions, the gap of the cutter head can be made larger or smaller, so as to grind the coffee beans coarser or finer. The above-mentioned components are conventional components of the bean grinding coffee machine, so they will not be elaborated here. Those skilled in the art can design other variants. Next, the key features of the present invention will be introduced.

[0053] The coffee machine may further include a heating system, etc. The heating system supplies water and heats it for brewing coffee. The water inlet joint is connected to this heating system. This part of the system is a conventional component of the bean grinding coffee machine and will not be elaborated here.

[0054] The above are only the preferred embodiments of the present invention. It should be noted that for those of ordinary skill in the art, without departing from the principle of the present invention, several improvements and refinements can be made, and these improvements and refinements should also be regarded as the protection scope of the present invention.

Claims

1. A brewing coffee component, characterized in that, The brewing coffee assembly (1) includes: A bracket (18) having a base provided with a downwardly opening annular mounting groove and a powder outlet (186) disposed within the annulus, and a water inlet provided on the upper surface of the annular mounting groove; An annular shower head (26) hermetically disposed in the annular mounting groove and circumferentially and uniformly provided with a plurality of spray nozzles (264); A powder door (21) disposed below the powder outlet (186); A drive assembly for driving the powder door (21) to open or close the powder outlet (186).

2. The brewing coffee component according to claim 1, wherein The drive assembly includes: a synchronous motor (14) and a dial block (15), the output shaft (141) of the synchronous motor (14) being detachably connected to one side of the dial block (15), and the other side of the dial block (15) being detachably connected to one end of a rocker arm (20), and the other end of the rocker arm (20) being hinged to the powder door (21).

3. The brewing coffee component according to claim 2, wherein The base is provided with a circular hole (185), and the dial block (15) includes: a mounting head and a dial rod, one side of the mounting head is provided with a mounting groove (152), the mounting groove (152) being detachably connected to the output shaft (141) of the synchronous motor (14), and the other side of the mounting head is provided with a cross-shaped protrusion; One end of the rocker arm (20) is provided with a cross-shaped hole (201) detachably connected to the cross-shaped protrusion passing through the circular hole (185).

4. The brewing coffee component according to claim 3, wherein The base of the bracket (18) is provided with an elongated limiting hole, and one side edge of the powder door (21) is provided with a connection hole (212); One end of a pin (19) passes through a kidney-shaped hole (202) at the other end of the rocker arm (20) and is fixedly connected to the powder door (21), and the other end of the pin (19) passes through the elongated limiting hole and is movable in the kidney-shaped hole (202) and the elongated limiting hole.

5. The brewing coffee component according to claim 3 or 4, characterized in that, The brewing coffee assembly (1) further includes: a stroke detection assembly; the stroke detection assembly includes: a first switch (17) and a second switch (16) spaced apart on the base for detecting the open or closed state of the powder door (21); When the powder door (21) is in the open position, the dial rod of the dial block (15) touches the first switch (17), and when the powder door (21) is in the closed position, the dial rod of the dial block (15) touches the second switch (16).

6. The brewing coffee component according to any one of claims 1 to 4, characterized in that, The annular mounting groove (152) is formed by the base recessing upward, and the base is circumferentially provided with a plurality of positioning grooves (183) at the outer edge of the annular mounting groove (152), and the outer circumference of the annular shower head (26) is provided with a mounting portion (261), and the positioning grooves (183) are tightly connected to the mounting portion (261).

7. The brewing coffee component according to any one of claims 1 to 4, characterized in that The outer ring and the inner ring ends of the annular mounting groove (152) are respectively provided with sealing grooves, and sealing rings are provided in the sealing grooves so that the annular mounting groove (152) is hermetically connected to the outer ring and the inner ring of the annular shower head (26) respectively.

8. The brewing coffee assembly according to claim 6, wherein The annular shower head (26) has a receiving groove, and a plurality of flow guiding ribs are provided in the receiving groove.

9. The brewing coffee component according to any one of claims 1 to 4, characterized in that, The brewing coffee component (1) further includes: a first support member (24) and a second support member (25) respectively disposed on both sides of the powder outlet (186), the first support member (24) and the second support member (25) are respectively provided with a first guide rail (242) and a second guide rail (252), and the powder door (21) slides in the two guide rails.

10. A coffee machine, characterized in that, The coffee machine includes the brewing coffee component (1) and the bean grinding component (11) according to any one of claims 1 to 9. The bean grinding component (11) is disposed on the upper surface of the base of the bracket (18) and is provided with a powder channel, and the powder outlet of the powder channel is hermetically connected to the powder outlet (186).

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