A coffee machine with bean grinding function

Abstract

The present invention discloses a coffee machine with a bean grinding function, the coffee machine comprising a coffee machine body, a coffee brewing device arranged outside the coffee machine body, a bean grinding device detachably connected to the outside of the coffee machine body, and a coffee capsule bag component and a coffee powder bag component replaceably matched in the coffee brewing device; wherein the coffee powder bag component can be replaceably assembled directly below the bean grinding device. The present invention arranges the bean grinding device outside the coffee machine body, which is convenient for cleaning the bean grinding device after use, and is convenient for disassembly and assembly, thereby extending the service life of the coffee machine; reducing the internal structure of the coffee machine, making assembly simpler; and providing three ways of brewing coffee for consumers to choose from, with diversified functions.

Description

Technical Field

[0001] The invention relates to the technical field of food processing, and in particular to a coffee machine with a bean grinding function. Background Art

[0002] At present, there are more and more coffee machines with bean grinding function on the market. The biggest feature of these machines is that they grind beans immediately when making drinks, which makes the drinks freshest and is very popular among consumers who love drinks. However, the existing bean grinding devices are all located inside the coffee machine, which makes it difficult to clean the bean grinding devices and makes the overall internal structure of the coffee machine more complicated, with high cost and great difficulty in assembly. Summary of the invention

[0003] 1. Technical issues to be resolved

[0004] The technical problem to be solved by the present invention is to provide a coffee machine with a bean grinding function, in which the bean grinding device is arranged outside the coffee machine body, so that the bean grinding device can be cleaned after use, and is convenient for disassembly and assembly, thereby extending the service life of the coffee machine; the internal structure of the coffee machine is reduced, and the assembly is simpler; at the same time, three ways of brewing coffee are provided for consumers to choose from, with diversified functions.

[0005] (II) Technical solution

[0006] The solution adopted by the present invention to solve the above-mentioned technical problem is a coffee machine with a bean grinding function, which includes a coffee machine body, a coffee brewing device arranged outside the coffee machine body, a bean grinding device detachably connected to the outside of the coffee machine body, and a coffee capsule bag assembly and a coffee powder bag assembly that can be replaced and matched in the coffee brewing device; wherein the coffee powder bag assembly can be replaceably assembled directly below the bean grinding device.

[0007] Preferably, the coffee machine body is located below the bean grinding device and is provided with a powder bag assembly clamp for mounting the coffee powder bag assembly, the powder bag assembly clamp includes two clamping parts arranged opposite to each other on the left and right, and one end of the two clamping parts close to the coffee machine body is closed and connected to the coffee machine body, and the other end forms an open end, which is convenient for taking out the coffee powder bag assembly; and the two clamping parts have a certain elasticity to enhance the clamping force.

[0008] Preferably, the coffee machine body is located below the coffee brewing device and the bean grinding device and is detachably provided with a receiving tray for receiving the flowing coffee liquid, so as to facilitate subsequent taking out for cleaning.

[0009] Specifically, the coffee machine has three coffee brewing modes;

[0010] The first method: when a consumer needs to make coffee capsules, the coffee capsule pocket assembly with the coffee capsules placed inside is placed in the coffee brewing device, and coffee is brewed by the coffee brewing device;

[0011] The second method: when the consumer needs coffee powder, the coffee powder bag assembly is placed under the bean grinding device, the coffee device is started, the coffee beans are ground into coffee powder and then fall into the coffee powder bag assembly, and then the coffee powder bag assembly is placed in the coffee brewing device, and coffee is brewed by the coffee brewing device;

[0012] The third method is that when a consumer uses existing coffee powder to make coffee, the consumer places the coffee powder bag assembly containing the coffee powder inside into the coffee brewing device, and brews the coffee through the coffee brewing device.

[0013] By adopting the above scheme, the bean grinding device is arranged outside the coffee machine body, which is convenient for cleaning the bean grinding device after use and convenient for disassembly and assembly, thereby extending the service life of the coffee machine; reducing the internal structure of the coffee machine, and making assembly simpler; at the same time, three ways of brewing coffee are provided for consumers to choose from, with diversified functions.

[0014] Furthermore, the bean grinding device includes a bean box assembly with a feed channel, a bean grinding assembly matched with the bean box assembly, and a driving assembly for providing power to the bean grinding assembly; the bean grinding assembly includes a bean grinding cavity communicated with the feed channel; wherein the bean box assembly includes a bean box mounting portion detachably connected to the coffee machine body.

[0015] The bean box assembly includes a bean box, and the bean box mounting portion is arranged outside the bean box; the outside of the bean box extends outward to form the bean box mounting portion, and the bean box mounting portion and the coffee machine are detachably connected to facilitate subsequent maintenance of the bean grinding assembly.

[0016] The upper end opening of the bean box forms a bean inlet, and the bean inlet is matched with a bean box cover. When beans need to be ground, the bean box cover is opened, beans are placed through the bean inlet, and then the bean box cover is closed to close the bean inlet and grind the beans.

[0017] Specifically, the bean box assembly can be detachably mounted on the outside of the coffee machine, and is easy to disassemble and assemble; the bean grinding assembly can be detachably mounted on the lower end of the bean box assembly, so that the whole is arranged vertically, which is convenient for space arrangement; the driving assembly is vertically arranged inside the bean box assembly and is provided at the upper end of the bean grinding assembly.

[0018] By adopting the above solution, the entire bean grinding device is externally arranged on the outside of the coffee machine, which is convenient for cleaning the bean grinding device after use and convenient for disassembly and assembly, thereby extending the service life of the coffee machine; at the same time, the internal structure of the coffee machine is reduced, and assembly is simpler.

[0019] Furthermore, the bean box is provided with the driving assembly, which includes a driving member and a driving member shell covering the outside of the driving member; wherein a driving member mounting portion detachably connected to the coffee machine body is provided on the outside of the driving member shell, and the bean box is provided with a passage for the driving member mounting portion to pass through.

[0020] The bean box is provided with the driving assembly, and after the driving assembly is installed in the bean box, a feeding channel is formed with the bean box. Coffee beans fall from the feeding channel into the bean grinding assembly for grinding. Since the bean grinding assembly is vertically arranged below the driving assembly, the coffee beans can enter the bean grinding assembly by their own gravity, thereby reducing energy loss.

[0021] Furthermore, the driving assembly includes a driving member and a driving member shell covering the outside of the driving member; wherein, the outside of the driving member shell is provided with a driving member mounting portion matched with the coffee machine, and the bean box is provided with a channel for the driving member mounting portion to pass through.

[0022] Wherein, the driving member comprises a driving motor, and the lower end of the driving motor has a power output end for connecting to the bean grinding assembly disposed at the lower end thereof.

[0023] Preferably, the bean box mounting portion of the bean box is hollow inside to form the channel; the drive member mounting portion passes through the channel and is detachably mounted on the coffee machine; and the drive member mounting portion is connected to the coffee machine by means of screws, which improves the overall stability of the drive assembly and prevents it from detaching or shaking during operation, thereby further improving the overall operating stability of the bean grinding device; at the same time, the outer contour of the drive member mounting portion is matched with the inner contour of the bean box mounting portion, thereby improving the assembly matching degree between the two.

[0024] Furthermore, the driving member housing comprises a detachably mounted driving member upper housing and a driving member lower housing; wherein an opening is provided at the lower end of the driving member lower housing.

[0025] Preferably, the exterior of the upper shell of the driving member extends outward to form the driving member mounting portion.

[0026] Specifically, the upper housing of the driving member and the lower housing of the driving member match to form a mounting cavity for accommodating the driving member; and an opening is provided at the lower end of the lower housing of the driving member, so that the output end of the driving member can be connected to the bean grinding assembly disposed at its lower end, and the beans can also enter the bean grinding assembly through the opening for grinding.

[0027] Preferably, the lower shell of the driving member includes a driving member matching part matching with the lower end of the driving member, and a supporting part for supporting the driving member matching part, and the supporting part includes a bean box matching part matching with the lower end of the bean box, and a plurality of supporting frames for connecting the bean box matching part and the driving member matching part; wherein the opening is provided at the lower end of the driving member matching part for beans to enter the bean grinding assembly at the lower end.

[0028] Furthermore, the bean grinding assembly includes a rotating shaft connected to the driving assembly, a moving grinding wheel component assembled on the rotating shaft, and a static grinding wheel component matched with the moving grinding wheel component to grind the coffee beans.

[0029] Preferably, the dynamic grinding wheel component and the static grinding wheel component are made of ceramic material, which is low in cost.

[0030] Preferably, one end of the rotating shaft passes through the opening of the matching portion of the driving member and is connected to the driving member, and the rotating shaft is driven by the driving member to perform rotational motion, and the movable grinding wheel member is sleeved on the rotating shaft and performs synchronous rotational motion with the rotating shaft, so that the movable grinding wheel member rotates relative to the static grinding wheel member, thereby grinding the beans placed between the movable grinding wheel member and the static grinding wheel member.

[0031] Furthermore, the static grinding wheel member is covered outside the dynamic grinding wheel member, and a grinding gap for grinding coffee beans is formed between the static grinding wheel member and the dynamic grinding wheel member.

[0032] Preferably, the static grinding wheel is in the shape of a ring with openings at the top and bottom; the dynamic grinding wheel is in the shape of a cone with a small top and a large bottom; so that the space between the static grinding wheel and the dynamic grinding wheel gradually decreases from top to bottom, and a grinding gap for grinding beans is formed at the lower ends of both; and the distance of the grinding gap is much smaller than the size of the beans. Specifically, during grinding, the beans are ground into powder between the dynamic grinding wheel and the static grinding wheel.

[0033] Preferably, a movable grinding wheel bracket is matched and installed at the lower end of the movable grinding wheel component, and the movable grinding wheel bracket includes a rotating part adapted to the rotating shaft, and a closing part is provided at the lower end of the rotating part for just closing the opening of the lower end of the static grinding wheel, and the closing part is arranged to communicate with the inner cavity of the rotating part for the passage of the rotating shaft; wherein, a clamping part is formed by extending outwards of the rotating part, and correspondingly, a clamping groove matching the clamping part is formed by the upward recessed lower end of the movable grinding wheel component to ensure the installation stability between the movable grinding wheel component and the movable grinding wheel, and the movable grinding wheel bracket is detachably installed at the lower end of the movable grinding wheel component, which is convenient for disassembly and assembly and subsequent maintenance.

[0034] Furthermore, a rocker arm is connected to the top end of the movable grinding wheel member, and the rocker arm includes a shaft portion sleeved outside the rotating shaft, and a plurality of swinging portions extending outward from the outside of the shaft portion; wherein the swinging portion is obliquely arranged on the outside of the shaft portion.

[0035] Among them, the swing part is arranged obliquely on the outside of the rotating shaft part, and each of the swing parts is in a propeller state; specifically, a rocker rod through hole matched with the rotating shaft is arranged at the center of the rotating shaft part to ensure the assembly stability between the rocker rod and the rotating shaft.

[0036] Preferably, a rocker arm mounting portion having a shaft diameter smaller than that of the rocker arm is provided at the lower end of the rotating shaft portion, and the rocker arm mounting portion is exactly matched and mounted to the interior of the upper end of the moving grinding wheel component, so that the rocker arm can be firmly mounted on the moving grinding wheel component, thereby realizing synchronous movement between the rocker arm and the moving grinding wheel component.

[0037] With the above solution, the swing rod is used to swing the beans dropped from the bean box downward, so that the beans fall more smoothly into the bean grinding gap at the lower end for grinding, thereby improving work efficiency.

[0038] Furthermore, the bean grinding assembly also includes a bean grinding shell covering the outside of the movable grinding wheel member, one end of the rotating shaft is connected to the driving assembly, and the other end is rotatably connected to the lower end of the bean grinding shell.

[0039] Preferably, the bean grinding shell includes a detachably mounted upper bean grinding shell and a lower bean grinding shell, and an L-shaped card slot is provided near the opening of the outer wall of the lower bean grinding shell, and correspondingly, a card protrusion matching the card slot is provided on the inner wall of the upper bean grinding shell. The L-shaped card slot includes a vertical entry and exit slot and a horizontal locking slot; and a locking portion is formed at the upper end of the locking slot, and a recess is provided at one end of the locking portion near the locking slot, and a protrusion matching the recess is provided at the upper end of the card protrusion; when the card protrusion is screwed into the locking slot, the recess and the protrusion match to play a limiting role, so as to realize the locking installation between the upper bean grinding shell and the lower bean grinding shell; when the card protrusion is reversely rotated to disengage from the locking slot, the upper bean grinding shell and the lower bean grinding shell can be separated. The upper bean grinding shell and the lower bean grinding shell are arranged to be detachably mounted, and the two can be separated, which is convenient for cleaning the internal residues.

[0040] Preferably, the inner wall of the lower bean grinding shell extends inward to form a plurality of first partition plates, and a powder outlet for the ground powder to fall out is formed between every two adjacent first partition plates; wherein, a support member for matching the rotating shaft is formed at the intersection of one end of each first partition plate away from the lower bean grinding shell, the support member is provided with a groove, a first copper rotating shaft is matched and installed in the groove, and a rotating groove similar to the rotating shaft is provided in the first copper rotating shaft, so that the rotating shaft can rotate relative to the support member; the provision of the first copper rotating shaft can reduce the friction force of the rotating shaft when it rotates, can reduce vibration during operation, facilitate subsequent maintenance, and reduce costs.

[0041] Furthermore, a grinding wheel bracket for fixing the static grinding wheel is provided on the inner wall of the grinding bean housing.

[0042] Preferably, the grinding wheel bracket is formed in the upper bean grinding shell, and the inner wall of the grinding wheel bracket is provided with a plurality of protrusions, and correspondingly, the outer wall of the static grinding wheel member is provided with recessed portions matching the protrusions, so that the static grinding wheel member and the upper bean grinding shell are tightly fitted, which not only ensures the firmness of the two during installation, but also facilitates subsequent disassembly and maintenance; when the lower bean grinding shell is removed, the static grinding member can be removed for cleaning, and the lower bean grinding shell can be cleaned.

[0043] Preferably, the inner wall of the grinding wheel bracket extends upward to form an L-shaped bracket, and a bracket member is provided at the upper end of the L-shaped bracket; a first rotating shaft portion is provided at the center of the L-shaped bracket, and a second rotating shaft portion matched with the first rotating shaft portion is provided at the center of the bracket member, wherein a second copper rotating shaft is provided inside the first rotating shaft portion, and a third copper rotating shaft is provided inside the second rotating shaft portion, which can improve the smoothness of rotation of the rotating shaft without vibration. More preferably, the grinding wheel bracket is provided with a plurality of support columns for fixing the bracket member; the bracket member includes a plurality of second partition plates, and a bean outlet for the beans in the bean box to fall into is formed between every two adjacent second partition plates, and an annular matching portion matched with the upper bean grinding shell is formed at one end of the second partition plate away from the second rotating shaft portion.

[0044] Furthermore, the coffee brewing device includes a funnel bracket with a lower opening that can accommodate the coffee capsule bag assembly or the coffee powder bag assembly, and a coffee brewing assembly matchedly mounted on the upper end of the funnel bracket, and the coffee brewing assembly can move closer to or further away from the funnel bracket.

[0045] Specifically, the coffee capsule pocket assembly includes a detachably connected capsule pocket and a capsule pocket cover, wherein the capsule pocket cover is engaged with the lower end of the capsule pocket by rotation, and is convenient for assembly and disassembly, and is convenient for subsequent disassembly and cleaning of the interior; and the capsule pocket is opened at the top and bottom, and the capsule pocket cover is matched and installed at the lower end of the capsule pocket to form a accommodating cavity for accommodating coffee capsules; and the lower end of the capsule cover is provided with a plurality of through holes for the outflow of coffee liquid.

[0046] Specifically, the coffee powder bag assembly includes a powder bag and a powder bag cover rotatably connected to the powder bag, the powder bag cover can flip relative to the powder bag, and the movable end of the powder bag cover is connected to the powder bag by a snap buckle; and the powder bag cover is provided with a plurality of small holes to communicate with the inner cavity of the powder bag, and the lower end of the powder bag is provided with a plurality of through holes for the outflow of coffee liquid; wherein, a filter is matched and installed in the powder bag, which is used for filtering the coffee liquid formed after the coffee powder is brewed, and the filtered coffee liquid has a more delicate taste.

[0047] Furthermore, the coffee brewing assembly can be rotatably connected to the coffee machine body.

[0048] The funnel bracket is opened at the top and bottom. The upper opening is convenient for placing the coffee powder bag assembly and the coffee capsule bag assembly, and the lower opening is convenient for the brewed coffee liquid to flow out smoothly into the container at the lower end.

[0049] The coffee brewing assembly comprises a coffee brewing body, and a capsule pricking needle which is arranged at the lower end of the coffee brewing body and can be retracted up and down relative to the coffee brewing body, and one end of the capsule pricking needle away from the funnel bracket is connected to a hot water channel; when it is necessary to brew coffee capsules, a coffee capsule pocket assembly is placed in the funnel bracket, and the coffee brewing assembly is operated to rotate and close on the funnel bracket. At this time, there is a certain distance between the capsule pricking needle and the coffee capsule, and the coffee capsule will not be pierced. When the hot water channel is opened and hot water is entered, the hot water pushes the capsule pricking needle downward, and the capsule pricking needle pierces the coffee capsule. Since the capsule pricking needle moves downward and a gap is generated, hot water can also enter the coffee capsule at the lower end, thereby brewing coffee; when brewing is completed, the hot water channel is closed, and the capsule pricking needle is driven to move upward due to the action of the restoring force to restore the initial position; specifically, the upper end of the capsule pricking needle is connected to an elastic member, and the other end of the elastic member is connected to the coffee brewing body.

[0050] Preferably, the coffee brewing component includes a handle for driving the coffee brewing component to rotate, wherein the lower end of the handle extends into the coffee brewing body, and the lower end extends to form an L-shaped clamping portion, and correspondingly, the coffee brewing body is provided with a clamping matching portion that is clamped in the L-shaped clamping portion, so that the rotational movement of the handle can drive the overall rotation of the coffee brewing component; and one end of the handle can be detachably mounted on the coffee brewing body to facilitate subsequent disassembly and maintenance.

[0051] Furthermore, the coffee machine body is provided with a storage box for accommodating the coffee capsule bag assembly or the coffee powder bag assembly.

[0052] Wherein, the storage box includes a box body and a storage box cover which is rotatably connected to the box body and can rotate relative to the box body, and the inner end of the storage box cover is provided with a storage piece for accommodating the coffee capsule bag assembly or the coffee powder bag assembly; the storage piece is vertically arranged on the inner side of the storage box cover.

[0053] Specifically, the lower end of the storage box cover is pushed to rotate, so that the lower end of the storage box cover rotates inward and the upper end rotates outward, and the storage piece is driven to rotate out, and the coffee capsule bag assembly or the coffee powder bag assembly can be placed; when storing, the upper end of the storage box cover is pushed to rotate, so that the upper end of the storage box cover rotates inward and the lower end rotates outward, until the upper end of the storage box cover is engaged with the box body.

[0054] With the above solution, the storage box is configured as a hidden structure, which can not only store the coffee capsule bag assembly and the coffee powder bag assembly, but also can be hidden in the coffee machine body, which is more beautiful.

[0055] (III) Beneficial effects

[0056] Compared with the prior art, the present invention designs a coffee machine with a bean grinding function.

[0057] (1) The bean grinding device of the present invention is externally mounted on the outside of the coffee machine, which is convenient for cleaning the bean grinding device after use and is easy to disassemble and assemble, thereby extending the service life of the coffee machine. At the same time, the internal structure of the coffee machine is reduced, making assembly simpler;

[0058] (2) The upper bean grinding shell, the lower bean grinding shell, the movable grinding wheel, and the static grinding wheel in the bean grinding assembly of the present invention are all detachably mounted, which is convenient for cleaning the residue inside the upper bean grinding shell and the lower bean grinding shell, as well as the residue outside the movable grinding wheel and inside the static grinding wheel after subsequent disassembly, thereby extending the service life of the bean grinding device;

[0059] (3) The present invention provides three ways of brewing coffee for consumers to choose from, with diversified functions;

[0060] (4) The storage box of the present invention is configured as a hidden structure, which can not only store the coffee capsule bag assembly and the coffee powder bag assembly, but also can be hidden in the coffee machine body, which is more beautiful. BRIEF DESCRIPTION OF THE DRAWINGS

[0061] Figure 1 is a schematic diagram of a coffee machine of this embodiment;

[0062] Figure 2 is a cross-sectional view of the coffee machine of this embodiment (embodying the coffee brewing device);

[0063] Figure 3 is a cross-sectional view of the coffee machine of this embodiment (embodying the storage box);

[0064] Figure 4 This is a diagram of the storage box in use according to the present embodiment;

[0065] Figure 5 is a schematic diagram of the bean grinding device of this embodiment;

[0066] Figure 6 This is an exploded view of the bean grinding device of this embodiment;

[0067] Figure 7 is a cross-sectional view of the bean grinding device of this embodiment;

[0068] Figure 8 is a schematic diagram of the bean grinding assembly of this embodiment;

[0069] Fig. 9 An exploded view of the bean grinding assembly of this embodiment;

[0070] Fig.10 is a cross-sectional view of the bean grinding assembly of this embodiment;

[0071] Fig.11 This is an exploded view of the bean grinding shell of this embodiment;

[0072] Fig.12 for Fig.11 The enlarged schematic diagram at A in the middle;

[0073] Fig.13 An exploded view of the movable grinding wheel member of this embodiment;

[0074] Fig.14 is an exploded view of the coffee powder bag assembly of this embodiment;

[0075] Fig.15 FIG. 4 is an exploded view of the coffee capsule pocket assembly of this embodiment.

[0076] Description of the accompanying drawings: 1. coffee machine body; 11. powder bag assembly clamp; 111. clamping part; 2. coffee brewing device; 21. funnel bracket; 22. coffee brewing assembly; 221. coffee brewing body; 221-1. snap-fit ​​matching part; 222. capsule pricking needle; 223. handle; 223-1. L-shaped snap-fit ​​part; 3. bean grinding device; 31. bean box assembly; 311. feeding channel; 312. bean box mounting part; 312-1. channel; 313. bean box; 313-1. bean inlet; 314. bean box cover; 32. bean grinding assembly; 321. bean grinding cavity; 322. rotating shaft; 323. moving grinding wheel; 323-1. swing rod; 323-1a. rotating shaft part; 323-1b. swing part; 323-1c. swing rod mounting part ; 323-2, moving grinding wheel bracket; 323-2a, rotating part; 323-2b, closing part; 323-2c, locking part; 323-3, locking groove; 324, stationary grinding wheel; 324-1, recessed part; 325, grinding bean gap; 326, grinding bean shell; 326-1, upper grinding bean shell; 326-11, locking convex; 326-11a, protrusion; 326-2, lower grinding bean shell; 326-21, locking groove; 326-21a, entry and exit groove; 326-21b, locking groove; 326-21c, locking part; 326-21d, recessed part; 326-22, first partition plate; 326-23, powder outlet; 326-24, support member; 326-25, first copper shaft; 326-3, grinding wheel bracket; 326-31, raised portion; 326-32, L-shaped bracket; 326-32a, first shaft portion; 326-32b, second copper shaft; 326-33, bracket member; 326-33a, second shaft portion; 326-33b, third copper shaft; 326-33c, second partition plate; 326-33d, bean outlet; 326-33e, annular matching portion; 326-34, support column; 33, drive Driving assembly; 331, driving member; 332, driving member housing; 332-1, driving member upper housing; 332-2, driving member lower housing; 332-2a, driving member matching part; 332-2b, supporting part; 332-2c, bean box matching part; 332-2d, supporting frame; 332-3, mounting cavity; 333, driving member mounting part; 4, coffee capsule pocket assembly; 41, capsule pocket; 42, capsule pocket cover; 5, coffee powder pocket assembly; 51, powder pocket; 52, powder pocket cover; 53, filter; 6, storage box; 61, box body; 62, storage box cover; 63, storage member; 7, holding tray. DETAILED DESCRIPTION

[0077] The specific implementation of the present invention is further described in detail below in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0078] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" 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 a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0079] This embodiment:

[0080] like Figure 1-Figure 2 , Figure 14-15 As shown, a coffee machine with a bean grinding function in this embodiment comprises a coffee machine body 1, a coffee brewing device 2 disposed outside the coffee machine body 1, a bean grinding device 3 detachably connected to the outside of the coffee machine body 1, and a coffee capsule bag assembly 4 and a coffee powder bag assembly 5 replaceably matched in the coffee brewing device 2; wherein the coffee powder bag assembly 5 is replaceably assembled directly below the bean grinding device 3. Preferably, the coffee machine body 1 is provided with a powder bag 51 assembly clamp 11 for mounting the coffee powder bag assembly 5 below the bean grinding device 3, and the powder bag 51 assembly clamp 11 comprises two clamping parts 111 disposed opposite to each other on the left and right, and one end of the two clamping parts 111 close to the coffee machine body 1 is closed and connected to the coffee machine body 1, and the other end forms an open end, so as to facilitate the removal of the coffee powder bag assembly 5; and the two clamping parts 111 have a certain elasticity, which can enhance the clamping force. Preferably, the coffee machine body 1 is detachably provided with a holding tray 7 for holding the coffee liquid flowing out, located below the coffee brewing device 2 and the bean grinding device 3, so as to facilitate subsequent removal for cleaning. With the above solution, the bean grinding device 3 is arranged outside the coffee machine body 1, so as to facilitate cleaning of the bean grinding device 3 after use, and facilitate disassembly and assembly, thereby extending the service life of the coffee machine; reducing the internal structure of the coffee machine, making assembly simpler; and providing three ways of brewing coffee for consumers to choose from, with diversified functions.

[0081] like Figure 5-Figure 6As shown, further, the bean grinding device 3 includes a bean box assembly 31 having a feeding channel 311, a bean grinding assembly 32 matched with the bean box assembly 31, and a driving assembly 33 for providing power to the bean grinding assembly 32; the bean grinding assembly 32 includes a bean grinding cavity 321 communicating with the feeding channel 311; wherein the bean box assembly 31 includes a bean box mounting portion 312 detachably connected to the coffee machine body 1. wherein the bean box assembly 31 includes a bean box 313, and the bean box mounting portion 312 is disposed outside the bean box 313; the outside of the bean box 313 extends outward to form the bean box mounting portion 312, and the bean box mounting portion 312 is detachably connected to the coffee machine, so as to facilitate the subsequent maintenance of the bean grinding assembly 32. The upper end opening of the bean box 313 forms a bean inlet 313-1, and the bean inlet 313-1 is matched with a bean box cover 314; when grinding beans is needed, the bean box cover 314 is opened, and beans are placed in the bean inlet 313-1, and then the bean box cover 314 is covered to close the bean inlet 313-1 and grind beans. Specifically, the bean box assembly 31 can be detachably mounted on the outside of the coffee machine, which is convenient for disassembly and assembly; the bean grinding assembly 32 can be detachably mounted on the lower end of the bean box assembly 31, so that the whole is arranged vertically, which is convenient for space arrangement; the driving assembly 33 is arranged vertically inside the bean box assembly 31 and is arranged at the upper end of the bean grinding assembly 32. With the above scheme, the entire bean grinding device 3 is externally arranged on the outside of the coffee machine, which is convenient for cleaning the bean grinding device 3 after use, and is convenient for disassembly and assembly, thereby extending the service life of the coffee machine; at the same time, the internal structure of the coffee machine is reduced, and the assembly is simpler.

[0082] like Figure 6-Figure 7As shown, further, the bean box 313 is provided with the driving assembly 33, and the driving assembly 33 includes a driving member 331 and a driving member housing 332 covering the outside of the driving member 331; wherein, the driving member housing 332 is provided with a driving member mounting portion 333 detachably connected to the coffee machine body 1, and the bean box 313 is provided with a channel 312-1 for the driving member mounting portion 333 to pass through. wherein, the bean box 313 is provided with the driving assembly 33, and after the driving assembly 33 is installed to the bean box 313, a feeding channel 311 is formed with the bean box 313, and the coffee beans fall from the feeding channel 311 into the grinding assembly 32 for grinding, and since the grinding assembly 32 is vertically arranged below the driving assembly 33, the coffee beans can enter the grinding assembly 32 by their own gravity, thereby reducing energy loss. Furthermore, the driving assembly 33 includes a driving member 331 and a driving member housing 332 covering the driving member 331; wherein the driving member housing 332 is provided with a driving member mounting portion 333 matched with the coffee machine, and the bean box 313 is provided with a passage 312-1 for the driving member mounting portion 333 to pass through. The driving member 331 includes a driving motor, and the lower end of the driving motor has a power output end for connecting to the bean grinding assembly 32 disposed at the lower end thereof. Preferably, the bean box mounting part 312 of the bean box 313 is hollow inside to form the channel 312-1; the driver mounting part 333 passes through the channel 312-1 and is detachably mounted on the coffee machine; and the driver mounting part 333 is connected to the coffee machine by screw connection, which improves the overall stability of the driving assembly 33 and prevents it from detaching and shaking during operation, further improving the overall operation stability of the bean grinding device 3; at the same time, the outer contour of the driver mounting part 333 is adapted to the inner contour of the bean box mounting part 312, thereby improving the assembly matching degree between the two. Further, the driver housing 332 includes a detachably mounted driver upper housing 332-1 and a driver lower housing 332-2; wherein the lower end of the driver lower housing 332-2 is provided with an opening. Preferably, the outer portion of the driver upper housing 332-1 extends outward to form the driver mounting part 333. Specifically, the upper shell 332-1 of the driving member and the lower shell 332-2 of the driving member match to form a mounting cavity 332-3 for accommodating the driving member 331; and an opening is provided at the lower end of the driving member lower shell 332-2, so that the output end of the driving member 331 can be connected to the bean grinding assembly 32 disposed at its lower end, and the beans can also enter the bean grinding assembly 32 through the opening for grinding.Preferably, the lower shell 332-2 of the driving member includes a driving member matching part 332-2a matching with the lower end of the driving member 331, and a supporting part 332-2b for supporting the driving member matching part 332-2a, and the supporting part 332-2b includes a bean box matching part 332-2c matching with the lower end of the bean box 313, and a plurality of supporting frames 332-2d for connecting the bean box matching part 332-2c and the driving member matching part 332-2a; wherein, the opening is set at the lower end of the driving member matching part 332-2a for beans to enter the grinding assembly 32 at the lower end.

[0083] like Figure 8-Figure 13As shown, further, the bean grinding assembly 32 includes a rotating shaft 322 connected to the driving assembly 33, a moving grinding wheel 323 assembled on the rotating shaft 322, and a static grinding wheel 324 matched with the moving grinding wheel 323 to grind coffee beans. Preferably, the moving grinding wheel 323 and the static grinding wheel 324 are made of ceramic material, which is low in cost. Preferably, one end of the rotating shaft 322 passes through the opening of the driving member matching portion 332-2a and is connected to the driving member 331, and the rotating shaft 322 is driven by the driving member 331 to rotate, and the moving grinding wheel 323 is sleeved on the rotating shaft 322 and rotates synchronously with the rotating shaft 322, so that the moving grinding wheel 323 rotates relative to the static grinding wheel 324, so that the beans placed between the moving grinding wheel 323 and the static grinding wheel 324 can be ground. Furthermore, the static grinding wheel 324 covers the dynamic grinding wheel 323, and a grinding gap 325 for grinding coffee beans is formed between the static grinding wheel 324 and the dynamic grinding wheel 323. Preferably, the static grinding wheel 324 is in the shape of a ring with upper and lower openings; the dynamic grinding wheel 323 is in the shape of a cone with a small top and a large bottom; so that the space between the static grinding wheel 324 and the dynamic grinding wheel 323 gradually decreases from top to bottom, and a grinding gap 325 for grinding beans is formed at the lower ends of both; and the distance of the grinding gap 325 is much smaller than the size of the beans. Specifically, during grinding, the beans are ground into powder between the dynamic grinding wheel 323 and the static grinding wheel 324. Preferably, a movable grinding wheel bracket 323-2 is matched and installed at the lower end of the movable grinding wheel member 323, and the movable grinding wheel bracket 323-2 includes a rotating portion 323-2a adapted to the rotating shaft 322, and a closing portion 323-2b is provided at the lower end of the rotating portion 323-2a to just close the lower end opening of the static grinding wheel, and the closing portion 323-2b is arranged to communicate with the inner cavity of the rotating portion 323-2a for the rotating shaft 322 to pass through; Among them, the rotating part 323-2a extends outward to form a locking part 323-2c, and correspondingly, the lower end of the movable grinding wheel component 323 is recessed upward to form a locking groove 323-3 matching the locking part 323-2c, so as to ensure the installation stability between the movable grinding wheel component 323 and the movable grinding wheel, and the movable grinding wheel bracket 323-2 can be detachably installed at the lower end of the movable grinding wheel component 323, which is convenient for disassembly and assembly and subsequent maintenance.

[0084] like Figure 9-10 , Fig.13As shown, further, the top end of the movable grinding wheel 323 is connected with a swing rod 323-1, and the swing rod 323-1 includes a shaft portion 323-1a sleeved outside the rotating shaft 322, and a plurality of swing portions 323-1b formed by extending outward from the outside of the rotating shaft portion 323-1a; wherein the swing portion 323-1b is obliquely arranged outside the rotating shaft portion 323-1a. wherein the swing portion 323-1b is obliquely arranged outside the rotating shaft portion 323-1a, and each of the swing portions 323-1b is in a propeller state; specifically, a through hole of the swing rod 323-1 adapted to the rotating shaft 322 is arranged at the center of the rotating shaft portion 323-1a, so as to ensure the assembly stability between the swing rod 323-1 and the rotating shaft 322. Preferably, the lower end of the rotating shaft portion 323-1a is provided with a swing rod mounting portion 323-1c having a smaller shaft diameter than the rotating shaft portion 323-1a, and the swing rod mounting portion 323-1c is exactly matched and mounted to the inner portion of the upper end of the moving grinding wheel member 323, so that the swing rod 323-1 can be firmly mounted on the moving grinding wheel member 323, and the synchronous movement between the swing rod 323-1 and the moving grinding wheel member 323 is realized. With the above solution, the setting of the swing rod 323-1 is used to throw the beans dropped from the bean box 313 downward, so that the beans fall more smoothly into the bean grinding gap 325 at the lower end for grinding, thereby improving work efficiency.

[0085] like Figure 9-12As shown, further, the bean grinding assembly 32 also includes a bean grinding housing 326 covered on the outside of the moving grinding wheel 323, one end of the rotating shaft 322 is connected to the driving assembly 33, and the other end is rotatably connected to the lower end of the bean grinding housing 326. Preferably, the bean grinding housing 326 includes a detachably mounted upper bean grinding housing 326-1 and a lower bean grinding housing 326-2, and an L-shaped slot 326-21 is provided on the outer wall of the lower bean grinding housing 326-2 near the opening, and correspondingly, a protrusion 326-11 matching the slot 326-21 is provided on the inner wall of the upper bean grinding housing 326-1. The L-shaped card slot 326-21 includes a vertical entry and exit slot 326-21a and a horizontal locking slot 326-21b; and a locking portion 326-21c is formed at the upper end of the locking slot, and a recess 326-21d is provided at one end of the locking portion 326-21c close to the locking slot, and a protrusion 326-21d matching the recess 326-21d is provided at the upper end of the card protrusion 326-11. -11a; when the protrusion 326-11 is screwed into the locking groove, the concave part 326-21d and the protrusion 326-11a match to play a limiting role, so as to realize the locking installation between the upper bean grinding shell 326-1 and the lower bean grinding shell 326-2; when the protrusion 326-11 is rotated in the reverse direction to disengage from the locking groove, the upper bean grinding shell 326-1 and the lower bean grinding shell 326-2 can be separated. The upper bean grinding shell 326-1 and the lower bean grinding shell 326-2 are set to be detachable, and the two can be separated to facilitate cleaning of the residue inside. Preferably, the inner wall of the lower bean grinding shell 326-2 extends inward to form a plurality of first partition plates 326-22, and a powder outlet 326-23 for the ground powder to fall out is formed between every two adjacent first partition plates 326-22; wherein, a support member 326-24 for matching the rotating shaft 322 is formed at the intersection of one end of each first partition plate 326-22 away from the lower bean grinding shell 326-2, and the support member 326-24 is provided with a groove, and a first copper rotating shaft 326-25 is matched and installed in the groove, and a rotating groove similar to the rotating shaft 322 is provided in the first copper rotating shaft 326-25, so that the rotating shaft 322 can rotate relative to the support member 326-24; the provision of the first copper rotating shaft 326-25 can reduce the friction force when the rotating shaft 322 rotates, can reduce the vibration during operation, facilitate subsequent maintenance, and reduce costs.

[0086] like Figure 9-11As shown, further, the inner wall of the bean grinding shell 326 is provided with a grinding wheel bracket 326-3 for fixing the static grinding wheel 324. Preferably, the grinding wheel bracket 326-3 is formed in the upper bean grinding shell 326-1, and the inner wall of the grinding wheel bracket 326-3 is provided with a plurality of protrusions 326-31, and correspondingly, the outer wall of the static grinding wheel 324 is provided with a recessed portion 324-1 matching the protrusions 326-31, so that the static grinding wheel 324 and the upper bean grinding shell 326-1 are tightly matched, which not only ensures the firmness of the two during installation, but also facilitates subsequent disassembly and maintenance; after the lower bean grinding shell 326-2 is removed, the static grinding member can be removed for cleaning, and the lower bean grinding shell 326-2 can be cleaned. Preferably, the inner wall of the grinding wheel bracket 326-3 extends upward to form an L-shaped bracket 326-32, and a bracket member 326-33 is arranged at the upper end of the L-shaped bracket 326-32; a first rotating shaft portion 326-32a is arranged at the center of the L-shaped bracket 326-32, and a second rotating shaft portion 326-33a matching and installed with the first rotating shaft portion 326-32a is arranged at the center of the bracket member 326-33, wherein a second copper rotating shaft 326-32b is arranged inside the first rotating shaft portion 326-32a, and a third copper rotating shaft 326-33b is arranged inside the second rotating shaft portion 326-33a, which can improve the rotation smoothness of the rotating shaft 322 without vibration. More preferably, the grinding wheel bracket 326-3 is provided with a plurality of support columns 326-34 for fixing the bracket member 326-33; the bracket member 326-33 includes a plurality of second partition plates 326-33c, and a bean outlet 326-33d for the beans in the bean box 313 to fall into is formed between every two adjacent second partition plates 326-33c, and an annular matching portion 326-33e adapted to the upper bean grinding shell 326-1 is formed at one end of the second partition plate 326-33c away from the second rotating shaft portion 326-33a.

[0087] like Figure 1-Figure 2 , Figure 14-15As shown, further, the coffee brewing device 2 includes a funnel support 21 with an opening at the lower end that can accommodate the coffee capsule bag assembly 4 or the coffee powder bag assembly 5, and a coffee brewing assembly 22 matched and installed at the upper end of the funnel support 21, and the coffee brewing assembly 22 can be close to or away from the funnel support 21. Specifically, the coffee capsule bag assembly 4 includes a detachably connected capsule bag 41 and a capsule bag cover 42, wherein the capsule bag cover 42 is engaged at the lower end of the capsule bag 41 by rotation, and is convenient for disassembly and assembly, and is convenient for subsequent disassembly and cleaning of the interior; and the capsule bag 41 is opened at the upper and lower ends, and the capsule bag cover 42 is matched and installed at the lower end of the capsule bag 41 to form a receiving cavity for receiving coffee capsules; the lower end of the capsule cover is provided with a plurality of through holes for the outflow of coffee liquid. Specifically, the coffee powder bag assembly 5 includes a powder bag 51 and a powder bag cover 52 rotatably connected to the powder bag 51, the powder bag cover 52 can flip relative to the powder bag 51, and the movable end of the powder bag cover 52 is connected to the powder bag 51 by a buckle; and the powder bag cover 52 is provided with a plurality of small holes to make it communicate with the inner cavity of the powder bag 51, and the lower end of the powder bag 51 is provided with a plurality of through holes for the outflow of coffee liquid; wherein, a filter screen 53 is matched and installed in the powder bag 51, which is used to filter the coffee liquid formed after the coffee powder is brewed, and the filtered coffee liquid has a more delicate taste. Further, the coffee brewing assembly 22 can be rotatably connected to the coffee machine body 1. wherein, the upper and lower ends of the funnel bracket 21 are both open, the upper end opening is convenient for placing the coffee powder bag assembly 5 and the coffee capsule bag assembly 4, and the lower end opening is convenient for the brewed coffee liquid to flow out smoothly into the container at the lower end. The coffee brewing component 22 comprises a coffee brewing body 221, and a capsule pricking needle 222 which is arranged at the lower end of the coffee brewing body 221 and can be extended up and down relative to the coffee brewing body 221. The end of the capsule pricking needle 222 away from the funnel bracket 21 is connected to a hot water channel 312-1. When it is necessary to brew coffee capsules, a coffee capsule pocket component 4 is placed in the funnel bracket 21, and the coffee brewing component 22 is operated to rotate and close on the funnel bracket 21. At this time, there is a certain distance between the capsule pricking needle 222 and the coffee capsule, and the coffee capsule will not be pierced. When the hot water is After the water channel 312-1 is opened and hot water enters, the hot water pushes the capsule piercing needle 222 downward, and the capsule piercing needle 222 pierces the coffee capsule. Since the capsule piercing needle 222 moves downward, a gap is generated, and hot water can also enter the coffee capsule at the lower end, thereby brewing coffee; when brewing is completed, the hot water channel 312-1 is closed, and the capsule piercing needle 222 is driven upward due to the restoring force and returns to the initial position; specifically, the upper end of the capsule piercing needle 222 is connected to an elastic member, and the other end of the elastic member is connected to the coffee brewing body 221.Preferably, the coffee brewing component 22 includes a handle 223 for driving the coffee brewing component 22 to rotate, wherein the lower end of the handle 223 extends into the coffee brewing body 221, and the lower end extends to form an L-shaped clamping portion 223-1, and correspondingly, the coffee brewing body 221 is provided with a clamping matching portion 221-1 that is clamped in the L-shaped clamping portion 223-1, so that the rotational movement of the handle 223 can drive the overall rotation of the coffee component; and one end of the handle 223 can be detachably mounted on the coffee brewing body 221, which is convenient for subsequent disassembly and maintenance.

[0088] like Figure 1 , Figure 3-Figure 4 As shown, further, the coffee machine body 1 is provided with a storage box 6 for accommodating the coffee capsule bag assembly 4 or the coffee powder bag assembly 5. The storage box 6 includes a box body 61, a storage box cover 62 which is rotatably connected to the box body 61 and can rotate relative to the box body 61, and a storage piece 63 for accommodating the coffee capsule bag assembly 4 or the coffee powder bag assembly 5 is provided at the inner end of the storage box cover 62; the storage piece 63 is vertically arranged on the inner side of the storage box cover 62. Specifically, the lower end of the storage box cover 62 is pushed to rotate, so that the lower end of the storage box cover 62 rotates inward and the upper end rotates outward, and the storage piece 63 is driven to rotate out, and the coffee capsule bag assembly 4 or the coffee powder bag assembly 5 can be placed; when accommodating, the upper end of the storage box cover 62 is pushed to rotate, so that the upper end of the storage box cover 62 rotates inward and the lower end rotates outward, until the upper end of the storage box cover 62 is engaged with the box body 61. With the above solution, the storage box 6 is configured as a hidden structure, which can not only store the coffee capsule bag assembly 4 and the coffee powder bag assembly 5, but also can be hidden in the coffee machine body 1, which is more beautiful.

[0089] The coffee machine of this embodiment has three coffee brewing modes;

[0090] The first method: when a consumer needs to make coffee capsules, the coffee capsule bag assembly 4 with the coffee capsules placed inside is placed in the coffee brewing device 2, and coffee is brewed by the coffee brewing device 2. At this time, the coffee powder bag assembly 5 is stored in the storage box 6;

[0091] Second method: when the consumer needs coffee powder, the consumer opens the storage box 6 to take out the coffee powder bag assembly 5, and at the same time stores the coffee capsule bag assembly 4 in the storage box 6, and closes the storage box 6; the coffee powder bag assembly 5 is placed under the bean grinding device 3, the coffee device is started, the coffee beans are ground into coffee powder and then fall into the coffee powder bag assembly 5, and then the coffee powder bag assembly 5 is placed in the coffee brewing device 2, and coffee is brewed by the coffee brewing device 2;

[0092] The third method is that when a consumer uses existing coffee powder to make coffee, the coffee powder bag assembly 5 containing the coffee powder is placed in the coffee brewing device 2, and the coffee is brewed by the coffee brewing device 2.

[0093] The above are only preferred embodiments of the present invention. It should be pointed out that, for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A coffee machine with a bean grinding function, characterized in that: The coffee machine comprises a coffee machine body (1), a coffee brewing device (2) arranged outside the coffee machine body (1), a bean grinding device (3) detachably connected to the outside of the coffee machine body (1), and a coffee capsule bag assembly (4) and a coffee powder bag assembly (5) replaceably matched in the coffee brewing device (2); wherein the coffee powder bag assembly (5) is replaceably assembled directly below the bean grinding device (3); The bean grinding device (3) comprises a bean box assembly (31) having a feeding channel (311), a bean grinding assembly (32) matched with the bean box assembly (31), and a driving assembly (33) for providing power to the bean grinding assembly (32); the bean grinding assembly (32) comprises a bean grinding cavity (321) communicating with the feeding channel (311); wherein the bean box assembly (31) comprises a bean box mounting portion (312) detachably connected to the coffee machine body (1); The bean grinding assembly (32) comprises a rotating shaft (322) connected to the driving assembly (33), a moving grinding wheel component (323) assembled on the rotating shaft (322), and a stationary grinding wheel component (324) matched with the moving grinding wheel component (323) for grinding coffee beans; The top end of the movable grinding wheel (323) is connected to a swing rod (323-1), and the swing rod (323-1) comprises a shaft portion (323-1a) sleeved on the outside of the rotating shaft (322), and a plurality of swing portions (323-1b) extending outward from the outside of the shaft portion (323-1a); wherein the swing portions (323-1b) are arranged obliquely on the outside of the shaft portion (323-1a), and each of the swing portions (323-1b) is in a propeller state; a shaft portion (323-1a) is arranged at the center of the shaft portion (323-1a) and is connected to the rotating shaft (322). The matching rocker rod passing hole ensures that the rocker rod (323-1) and the rotating shaft (322) are firmly assembled; the lower end of the rotating shaft portion (323-1a) is provided with a rocker rod mounting portion (323-1c) having a smaller shaft diameter than the rotating shaft portion (323-1a); the rocker rod mounting portion (323-1c) is exactly matched and mounted inside the upper end of the moving grinding wheel component (323), so that the rocker rod (323-1) can be firmly mounted on the moving grinding wheel component (323), thereby realizing synchronous movement between the rocker rod (323-1) and the moving grinding wheel component (323).

2. The coffee machine with bean grinding function according to claim 1, characterized in that: The bean box (313) is provided with the driving assembly (33), the driving assembly (33) comprising a driving member (331) and a driving member housing (332) covering the outside of the driving member (331); wherein a driving member mounting portion (333) detachably connected to the coffee machine body (1) is provided on the outside of the driving member housing (332), and the bean box (313) is provided with a passage (312-1) for the driving member mounting portion (333) to pass through.

3. The coffee machine with bean grinding function according to claim 1, characterized in that: The static grinding wheel component (324) is covered outside the dynamic grinding wheel component (323), and a grinding gap (325) for grinding coffee beans is formed between the static grinding wheel component (324) and the dynamic grinding wheel component (323).

4. The coffee machine with bean grinding function according to claim 1, characterized in that: The bean grinding assembly (32) further comprises a bean grinding shell (326) which covers the outside of the movable grinding wheel member (323); one end of the rotating shaft (322) is connected to the driving assembly (33), and the other end is rotatably connected to the lower end of the bean grinding shell (326).

5. The coffee machine with bean grinding function according to claim 1, characterized in that: The coffee brewing device (2) comprises a funnel support (21) with a lower opening capable of accommodating the coffee capsule bag assembly (4) or the coffee powder bag assembly (5), and a coffee brewing assembly (22) mounted on the upper end of the funnel support (21), wherein the coffee brewing assembly (22) can move closer to or further away from the funnel support (21).

6. The coffee machine with bean grinding function according to claim 5, characterized in that: The coffee brewing component (22) is rotatably connected to the coffee machine body (1).

7. The coffee machine with bean grinding function according to claim 1, characterized in that: The coffee machine body (1) is provided with a storage box (6) for storing the coffee capsule bag assembly (4) or the coffee powder bag assembly (5).

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