Coffee machine with detachable bean grinding assembly

Abstract

The utility model discloses a coffee machine with a detachable bean grinding assembly, which comprises a machine body, a first grinding assembly, a second grinding assembly and a third grinding assembly, wherein one side of the machine body is provided with an open containing cavity, the machine body is provided with a first bean inlet, the open containing cavity is provided with a first powder outlet, and the machine body is provided with a first motor; the bean grinding assembly is detachably connected to the open containing cavity, the bean grinding assembly comprises a grinding chamber, the grinding chamber is provided with a second bean inlet and a second powder outlet, and the grinding chamber is connected with the first motor; the powder pressing assembly is arranged on one side of the machine body and used for pressing the coffee powder in the powder bowl to be flat; and a water supply pipeline. According to the coffee machine, a set of bean grinding assembly is independently designed, after coffee beans are ground, the bean grinding assembly can be extracted from the coffee machine body, the extracted bean grinding assembly can be washed and cleaned, and after the bean grinding assembly is extracted, a coffee powder outlet channel and all corners can be completely exposed; and the powder outlet channel can be conveniently and completely cleaned by using a cleaning brush.

Description

Technical Field

[0001] The invention relates to the field of coffee machines, and in particular to a coffee machine with a detachable bean grinding component. Background Art

[0002] The grinding function of the semi-automatic coffee machine on the market is mainly achieved by the relative rotation of the inner and outer grinding wheels to grind the coffee beans. The power input of the inner grinding wheel is generally achieved by the motor through a set of reduction gears. The inner grinding wheel and the reduction gear box are rigidly connected, that is, they cannot be disassembled. This connection method makes the powder outlet channel and the coffee grinding chamber difficult to clean after long-term use. Dirt is mixed with coffee powder, which affects the taste of coffee and the user experience is not good. Summary of the invention

[0003] The object of the present invention is to provide a coffee machine with a detachable bean grinding assembly to solve the above-mentioned problem.

[0004] According to one aspect of the present invention, a coffee machine with a detachable bean grinding assembly is provided, comprising: a machine body, one side of which is provided with an open cavity, a top of the machine body is provided with a first bean inlet, the bean inlet is communicated with the open cavity, one side of the open cavity is provided with a first powder outlet, a first motor is provided inside the machine body, a brewing port is provided on one side of the machine body, the brewing port is detachably connected to a liquid outlet funnel, a powder bowl is provided in the liquid outlet funnel, and a liquid outlet is provided at the bottom of the liquid outlet funnel; a bean grinding assembly detachably connected to the open cavity, the bean grinding assembly comprises A grinding chamber, wherein a second bean inlet is arranged on the top of the grinding chamber, and a second powder outlet is arranged on the bottom of the grinding chamber, and the grinding chamber is drivingly connected to the first motor; when the bean grinding assembly is docked with the open cavity, the first bean inlet is communicated with the second bean inlet, and the first powder outlet is communicated with the second powder outlet; a powder pressing assembly is arranged on one side of the machine body, and the powder pressing assembly is arranged between the brewing port and the first powder outlet, and the powder pressing assembly is used to flatten the coffee powder in the powder bowl; a water supply pipeline is communicated with the powder pressing assembly and is used to brew the coffee powder in the powder bowl.

[0005] In some embodiments, the bean grinding assembly includes a shell whose shape matches the open cavity, the grinding chamber is arranged in the shell, the grinding chamber includes an inner grinding wheel and an outer grinding wheel, the inner grinding wheel is rotatably connected to the shell, a first transmission rod is fixedly connected to the bottom of the inner grinding wheel, the first transmission rod is rotatably arranged in the shell, a second transmission rod is rotatably arranged on one side of the shell, the first transmission rod and the second transmission rod are driven by a first gear set, a transmission sleeve for inserting and matching the end of the second transmission rod is rotatably arranged in the open cavity, and the transmission sleeve is connected to the first motor through a second gear set; the second bean inlet is arranged at the top of the shell, and the outer grinding wheel is detachably connected to the second bean inlet; the second powder outlet is arranged at the lower part of the grinding chamber, and a powder pushing rod is rotatably arranged on the first transmission rod, and the powder pushing rod is used to push the ground coffee powder into the second powder outlet.

[0006] In some embodiments, the bean grinding assembly includes an adjustment mechanism, which includes an adjustment knob, a third transmission rod, an adjustment gear and a grinding wheel sleeve. A boss is provided outside the grinding chamber, and an internal thread matching the boss is provided inside the grinding wheel sleeve. The adjustment knob is rotatably connected to the housing, and the inner side of the adjustment knob is fixedly connected to the third transmission rod. The adjustment gear is sleeved on the third transmission rod, and a tooth groove meshing with the adjustment gear is provided on one side of the bottom of the grinding wheel sleeve.

[0007] In some embodiments, a top edge of the grinding wheel sleeve is provided with a placement groove for accommodating the outer grinding wheel; handles are rotatably provided on both sides of the upper part of the outer grinding wheel.

[0008] In some embodiments, the inner top surface and the bottom surface of the open cavity are respectively provided with a locking position; the grinding bean assembly includes a snapping mechanism, the snapping mechanism includes a pressing plate, a first movable connecting plate, two second movable connecting plates and two snap plates, a pressing area for the pressing plate to move is provided on one side of the shell, the pressing plate is rotatably connected to the pressing area, a first through hole for the first movable connecting plate to move is provided on one side of the pressing area, the back of the pressing plate is hinged to the outer side of the first movable connecting plate, the upper and lower parts of the inner side of the first movable connecting plate are respectively hinged to the second movable connecting plates, each of the second movable connecting plates is respectively hinged to one of the snap plates, a spring is connected between the two snap plates, a snap for inserting the locking position is provided on one side of the snap plate, a second through hole for the snap to move is provided on the shell, and the snap is linked to separate from the locking position by pressing the pressing plate.

[0009] In some embodiments, the powder pressing assembly includes a second motor, a third gear set, a powder pressing chamber, a transmission screw, a threaded block and a powder pressing plate. The second motor is arranged inside the machine body, and the output end of the second motor is transmission-connected to the third gear set. A powder pressing gear is sleeved on the top of the transmission screw, and the powder pressing gear is meshed with the third gear set. A threaded block is movably connected to the transmission screw. The powder pressing plate is fixed to the bottom of the threaded block. The threaded block is movably arranged in the powder pressing chamber. Guide blocks are provided on both sides of the threaded block, and guide grooves for the guide blocks to move are provided on both sides of the powder pressing chamber.

[0010] In some embodiments, the water supply pipe is connected to the threaded block and the powder pressing plate, and the powder pressing plate is provided with a water outlet hole network.

[0011] In some embodiments, the first bean inlet is provided with a bean guiding trough having an inclined surface, and a top cover of the bean guiding trough is provided with a sealing cover.

[0012] In some embodiments, a plurality of card slots are disposed on the inner side of the dispensing port, and a plurality of card blocks cooperating with the card slots are disposed on the outer side of the top of the liquid outlet funnel.

[0013] In some embodiments, a side of the shell is provided with an avoidance groove for inserting a finger corresponding to the pressing plate.

[0014] Compared with the prior art, the beneficial effects of this application are:

[0015] The present application is to design a separate bean grinding assembly. After the coffee beans are ground, the bean grinding assembly can be extracted from the coffee machine body. The extracted bean grinding assembly can be washed and cleaned. After the bean grinding assembly is extracted, the powder outlet channel and various corners of the coffee powder can be completely exposed, so that the powder outlet channel can be completely cleaned with a cleaning brush. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention;

[0017] Figure 2 It is a schematic diagram of the bottom structure of the present invention;

[0018] Figure 3 This is a schematic diagram of the three-dimensional structure of the present invention after the bean grinding assembly is disassembled;

[0019] Figure 4 It is a schematic diagram of the three-dimensional structure of the bean grinding assembly of the present invention;

[0020] Figure 5 Schematic diagram of the internal structure of the bean grinding assembly of the present invention;

[0021] Figure 6It is a three-dimensional structural schematic diagram of the buckling mechanism of the present invention;

[0022] Figure 7 It is a three-dimensional structural schematic diagram of the adjustment mechanism of the present invention;

[0023] Figure 8 It is a schematic diagram of the top view of the grinding chamber of the present invention;

[0024] Fig. 9 Schematic diagram of the matching structure of the bean grinding assembly and the powder pressing assembly of the present invention Figure 1 ;

[0025] Fig.10 Schematic diagram of the matching structure of the bean grinding assembly and the powder pressing assembly of the present invention Figure 2 ;

[0026] Fig.11 It is a schematic diagram of the three-dimensional structure of the powder pressing assembly of the present invention;

[0027] Fig.12 This is a schematic diagram of the three-dimensional structure of the powder pressing assembly of the present invention after the powder pressing chamber is hidden;

[0028] Fig.13 It is a schematic diagram of the three-dimensional structure of the liquid discharge funnel of the present invention. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0030] refer to Figures 1 to 13The present application provides a coffee machine with a detachable bean grinding assembly, comprising: a machine body 1, an open cavity 2 is arranged on one side, a first bean inlet 3 is opened on the top of the machine body 1, the bean inlet is communicated with the open cavity 2, a first powder outlet 4 is arranged on one side of the open cavity 2, a first motor 5 is arranged inside the machine body 1, a brewing port 6 is arranged on one side of the machine body 1, the brewing port 6 is detachably connected to a liquid outlet funnel 7, a powder bowl 8 is arranged in the liquid outlet funnel 7, and a liquid outlet is arranged at the bottom of the liquid outlet funnel 7; a bean grinding assembly 9 is detachably connected to the open cavity 2, and the bean grinding assembly 9 includes a grinding The grinding chamber 10 is provided with a second bean inlet 11 on the top thereof, and a second powder outlet 12 on the bottom thereof. The grinding chamber 10 is transmission-connected to the first motor 5. When the bean grinding assembly 9 is docked with the open cavity 2, the first bean inlet 3 is communicated with the second bean inlet 11, and the first powder outlet 4 is communicated with the second powder outlet. A powder pressing assembly is provided on one side of the machine body 1, and the powder pressing assembly is provided between the brewing port 6 and the first powder outlet 4. The powder pressing assembly is used to flatten the coffee powder in the powder bowl 8. A water supply pipe 13 is communicated with the powder pressing assembly to brew the coffee powder in the powder bowl 8.

[0031] In some embodiments, the bean grinding assembly 9 includes a shell 14 whose shape matches the open cavity 2, the grinding chamber 10 is arranged in the shell 14, the grinding chamber 10 includes an inner grinding wheel 15 and an outer grinding wheel 16, the inner grinding wheel 15 is rotatably connected to the shell 14, a first transmission rod is fixed to the bottom of the inner grinding wheel 15, the first transmission rod is rotatably arranged in the shell 14, a second transmission rod 17 is rotatably arranged on one side of the shell 14, the first transmission rod and the second transmission rod 17 are driven by a first gear set, and a transmission shaft for the end of the second transmission rod 17 to be inserted and matched is rotatably arranged in the open cavity 2 The outer grinding wheel 16 is detachably connected to the second bean inlet 11; the second powder outlet is arranged at the lower part of the grinding chamber 10, and a powder pushing rod 19 is rotatably arranged on the first transmission rod, and the powder pushing rod 19 is used to push the ground coffee powder into the second powder outlet, and the coffee beans are ground by the cooperation of the outer grinding wheel 16 and the inner grinding wheel 15. The powdered coffee beans are pushed by the powder pushing rod 19 through the second powder outlet to enter the brewing port 6 (i.e., the powder bowl 8).

[0032] In some embodiments, the bean grinding assembly 9 includes an adjustment mechanism, which includes an adjustment knob 20, a third transmission rod 21, an adjustment gear 22 and a grinding wheel sleeve 23. A boss is provided outside the grinding chamber 10, and an internal thread matching the boss is provided inside the grinding wheel sleeve 23. The adjustment knob 20 is rotatably connected to the shell 14, and the inner side of the adjustment knob 20 is fixedly connected to the third transmission rod 21. The adjustment gear 22 is sleeved on the third transmission rod 21, and a tooth groove 24 meshing with the adjustment gear 22 is provided on one side of the bottom of the grinding wheel sleeve 23. The grinding wheel sleeve 23 is driven to move up and down by manually rotating the adjustment knob 20, that is, the distance between the outer grinding wheel 16 and the inner grinding wheel 15 is adjusted to achieve control of the size of the coffee powder particles.

[0033] In some embodiments, the top edge of the grinding wheel sleeve 23 is provided with a placement groove for accommodating the outer grinding wheel 16; handles are rotatably provided on both sides of the upper part of the outer grinding wheel 16, and the outer grinding wheel 16 can be disassembled and cleaned separately.

[0034] In some embodiments, the inner top surface and the bottom surface of the open cavity 2 are respectively provided with a snapping position 25; the grinding assembly 9 includes a snapping mechanism, which includes a pressing plate 26, a first movable connecting plate 27, two second movable connecting plates 28 and two snapping plates 29, a pressing area for the pressing plate 26 to move is provided on one side of the shell 14, the pressing plate 26 is rotatably connected to the pressing area, a first through hole for the first movable connecting plate 27 to move is provided on one side of the pressing area, the back of the pressing plate 26 is hinged to the outer side of the first movable connecting plate 27, and the upper and lower parts of the inner side of the first movable connecting plate 27 are respectively hinged to the second movable connecting plate 28, Each second movable connecting plate 28 is hinged to a buckle plate 29, and a spring 30 is connected between the two buckle plates 29. A buckle 31 for inserting into the clamping position 25 is provided on one side of the buckle plate 29. A second through hole for the buckle 31 to move is provided on the housing 14. The buckle 31 is linked to the clamping position 25 by pressing the pressing plate 26. The buckle 31 is separated from the clamping position 25 by pressing the pressing plate 26, so that the entire grinding assembly 9 can be disassembled. In the static state, the buckles 31 on the upper and lower sides are pushed out of the second through holes respectively under the elastic force of the spring 30. When the pressing plate 26 is pressed, the buckle 31 is pulled into the second through hole through the internal connecting plate structure.

[0035] In some embodiments, the powder pressing assembly includes a second motor 32, a third gear set 33, a powder pressing chamber 34, a transmission screw 35, a threaded block 36 and a powder pressing plate 37. The second motor 32 is arranged inside the machine body 1, and the output end of the second motor 32 is transmission-connected to the third gear set 33. A powder pressing gear 38 is sleeved on the top of the transmission screw 35, and the powder pressing gear 38 is meshed with the third gear set 33. The transmission screw 35 is movably connected with a threaded block 36. The powder pressing plate 37 is fixed to the bottom of the threaded block 36, and the threaded block 36 is movably arranged in the powder pressing chamber 34. Guide blocks 39 are provided on both sides of the threaded block 36, and guide grooves 40 for the guide blocks 39 to move are provided on both sides of the powder pressing chamber 34. The threaded block 36 is driven by the second motor 32 to complete the downward or upward movement. The guide groove 40 and the guide block 39 can assist the lifting and lowering of the powder pressing plate 37 to prevent the powder pressing plate 37 from being offset.

[0036] In some embodiments, the water supply pipe 13 is connected to the threaded block 36 and the powder pressing plate 37. A water outlet hole network is provided on the powder pressing plate 37. Water is supplied through the water supply pipe 13 to prepare the coffee powder in the powder bowl 8.

[0037] In some embodiments, the first bean inlet 3 is provided with a bean guiding groove 41 having an inclined surface, and the top cover of the bean guiding groove 41 is provided with a sealing cover.

[0038] In some embodiments, a plurality of card slots 42 are disposed on the inner side of the dispensing port 6 , and a plurality of card blocks 43 cooperating with the card slots 42 are disposed on the outer side of the top of the liquid outlet funnel 7 .

[0039] In some embodiments, a side of the housing 14 corresponding to the pressing plate 26 is provided with an escape groove for inserting a finger.

[0040] The bean grinding assembly 9 is not limited to being drawn out from one side of the machine body 1, but can also be drawn out from the top / front / back of the machine.

[0041] The specific brewing process of the present application is as follows: the liquid outlet funnel 7 is engaged with the brewing port 6; the coffee beans are placed into the grinding chamber 10 along the first bean inlet 3 (equivalent to the second bean inlet 11), and the first motor 5 drives the inner grinding wheel 15 to cooperate with the outer grinding wheel 16 to grind the coffee beans in the grinding chamber 10; the coffee powder is pushed into the first powder outlet 4 (equivalent to the second powder outlet) through the powder pushing plate at the bottom of the grinding chamber 10, and the coffee powder enters the powder bowl 8 of the liquid outlet funnel 7, and the second motor 32 drives the powder pressing plate 37 to flatten the powder. After flattening, hot water is input into the water supply pipe 13 to brew the coffee powder on the powder bowl 8, and the coffee liquid flows out into the cup along the bottom of the liquid outlet funnel 7.

[0042] After the bean grinding assembly 9 is taken out, the open cavity 2 is completely exposed, and the space is wide and has no dead corners, which is convenient for cleaning.

[0043] The present application is to design a set of bean grinding components 9 separately. After the coffee beans are ground, the bean grinding components 9 can be extracted from the coffee machine body 1. The extracted bean grinding components 9 can be washed and cleaned. After the bean grinding components 9 are extracted, the powder outlet channel and various corners of the coffee powder can be completely exposed, so that the powder outlet channel can be completely cleaned with a cleaning brush.

[0044] Finally, it should be noted that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A coffee machine with a detachable bean grinding assembly, characterized in that: include: A machine body, one side of which is provided with an open cavity, a first bean inlet is provided on the top of the machine body, the bean inlet is communicated with the open cavity, a first powder outlet is provided on one side of the open cavity, a first motor is provided inside the machine body, a brewing port is provided on one side of the machine body, a liquid outlet funnel is detachably connected to the brewing port, a powder bowl is provided in the liquid outlet funnel, and a liquid outlet is provided at the bottom of the liquid outlet funnel; a bean grinding assembly, detachably connected to the open cavity, the bean grinding assembly comprising a grinding chamber, a second bean inlet is arranged at the top of the grinding chamber, a second powder outlet is arranged at the bottom of the grinding chamber, and the grinding chamber is drivingly connected to the first motor; when the bean grinding assembly is docked with the open cavity, the first bean inlet is communicated with the second bean inlet, and the first powder outlet is communicated with the second powder outlet; A powder pressing component is arranged on one side of the machine body, the powder pressing component is arranged between the brewing port and the first powder outlet, and the powder pressing component is used to flatten the coffee powder in the powder bowl; The water supply pipeline is connected to the powder pressing assembly and is used for brewing the coffee powder in the powder bowl.

2. The coffee machine with a detachable grinding assembly according to claim 1, characterized in that: The bean grinding assembly includes a shell whose shape matches the open cavity, the grinding chamber is arranged in the shell, the grinding chamber includes an inner grinding wheel and an outer grinding wheel, the inner grinding wheel is rotatably connected to the shell, a first transmission rod is fixedly connected to the bottom of the inner grinding wheel, the first transmission rod is rotatably arranged in the shell, a second transmission rod is rotatably arranged on one side of the shell, the first transmission rod and the second transmission rod are driven by a first gear set, a transmission shaft sleeve for inserting and matching the end of the second transmission rod is rotatably arranged in the open cavity, and the transmission shaft sleeve is connected to the first motor through a second gear set; the second bean inlet is arranged at the top of the shell, and the outer grinding wheel is detachably connected to the second bean inlet; the second powder outlet is arranged at the lower part of the grinding chamber, and a powder pushing rod is rotatably arranged on the first transmission rod, and the powder pushing rod is used to push the ground coffee powder into the second powder outlet.

3. The coffee machine with a detachable grinding assembly according to claim 2, characterized in that: The bean grinding assembly includes an adjustment mechanism, which includes an adjustment knob, a third transmission rod, an adjustment gear and a grinding wheel sleeve. A boss is provided outside the grinding chamber, and an internal thread matching the boss is provided inside the grinding wheel sleeve. The adjustment knob is rotatably connected to the housing, and the inner side of the adjustment knob is fixedly connected to the third transmission rod. The adjustment gear is sleeved on the third transmission rod, and a tooth groove meshing with the adjustment gear is provided on one side of the bottom of the grinding wheel sleeve.

4. The coffee machine with a detachable grinding assembly according to claim 3, characterized in that: The top edge of the grinding wheel sleeve is provided with a placement groove for accommodating the outer grinding wheel; handles are rotatably provided on both sides of the upper part of the outer grinding wheel.

5. The coffee machine with a detachable grinding assembly according to claim 2, characterized in that: The inner top surface and bottom surface of the open cavity are respectively provided with a clamping position; the grinding bean assembly includes a buckling mechanism, the buckling mechanism includes a pressing plate, a first movable connecting plate, two second movable connecting plates and two buckle plates, a pressing area for the pressing plate to move is provided on one side of the shell, the pressing plate is rotatably connected to the pressing area, a first through hole for the first movable connecting plate to move is provided on one side of the pressing area, the back of the pressing plate is hinged to the outer side of the first movable connecting plate, the upper and lower parts of the inner side of the first movable connecting plate are respectively hinged with the second movable connecting plates, each of the second movable connecting plates is hinged with one of the buckle plates, a spring is connected between the two buckle plates, a buckle for inserting into the clamping position is provided on one side of the buckle plate, a second through hole for the buckle to move is provided on the shell, and the buckle is linked to the clamping position by pressing the pressing plate.

6. The coffee machine with a detachable grinding assembly according to claim 1, characterized in that: The powder pressing assembly includes a second motor, a third gear set, a powder pressing chamber, a transmission screw, a threaded block and a powder pressing plate. The second motor is arranged inside the machine body, and the output end of the second motor is transmission-connected to the third gear set. A powder pressing gear is sleeved on the top of the transmission screw, and the powder pressing gear is meshed with the third gear set. A threaded block is movably connected to the transmission screw. The powder pressing plate is fixed to the bottom of the threaded block. The threaded block is movably arranged in the powder pressing chamber. Guide blocks are provided on both sides of the threaded block, and guide grooves for the guide blocks to move are provided on both sides of the powder pressing chamber.

7. The coffee machine with a detachable grinding assembly according to claim 6, characterized in that: The water supply pipeline is communicated with the threaded block and the powder pressing plate, and the powder pressing plate is provided with a water outlet hole network.

8. The coffee machine with a detachable grinding assembly according to claim 1, characterized in that: The first bean inlet is provided with a bean guiding groove with an inclined surface, and the top cover of the bean guiding groove is provided with a sealing cover.

9. The coffee machine with a detachable grinding assembly according to claim 1, characterized in that: A plurality of card slots are arranged on the inner side of the dispensing port, and a plurality of card blocks cooperating with the card slots are arranged on the outer side of the top of the liquid outlet funnel.

10. The coffee machine with a detachable grinding assembly according to claim 5, characterized in that: A relief groove for inserting a finger is arranged on one side of the shell corresponding to the pressing plate.

Images