Main machine structure of portable brewing device

Abstract

A main machine structure of a portable brewing device comprises a shell, a cavity is formed in the shell, a heating cup, a driver, a water pump and an electric control board are arranged in the cavity, an output shaft of the driver is installed in the geometric center of the shell, a heating component is arranged at the bottom of the heating cup, and the electric control board is electrically connected with the driver, the water pump and the heating component. A support is arranged in a shell of a main machine, electrical elements such as a driver, a water pump and an electric control board are integrally installed on the support, the driver is installed in the middle of the support and penetrates through the support, an output shaft of the driver is installed in the geometric center of the shell, and a heating cup, a heating part, the water pump and the electric control board are distributed on the peripheral side of the driver. The horizontal transverse space of the main machine can be fully utilized, the internal structure of the main machine is more compact, and the overall size of the coffee machine can be reduced; in addition, the electric control board and the heating component are separated through the support, and heat of the heating component can be prevented from being transmitted to the electric control board.

Description

Technical Field

[0001] The utility model relates to the technical field of coffee machines, in particular to a host structure of a portable brewer. Background Art

[0002] Chinese patent document number CN212521524U disclosed a household appliance on February 12, 2021, more specifically, a coffee machine, including a bean grinding component and a brewing component, the brewing component including a heating and regulating body and a second cup body for brewing coffee with an opening structure at one end, the heating and regulating body and the bean grinding component are integrated in a first cup body with openings at both ends, and the second cup body is connected to the first cup body. The motor of this coffee machine is arranged below the first cup body, and the motor is located below the heating plate, and the distribution of electrical components is relatively scattered, which results in that the internal space of the coffee machine cannot be fully utilized, making the overall volume of the coffee machine larger.

[0003] Therefore, further improvements are necessary. Utility Model Content

[0004] The purpose of the utility model is to provide a host structure of a portable brewer with simple structure, compact layout, high space utilization, small size and strong practicality, so as to overcome the shortcomings of the prior art.

[0005] A host structure of a portable brewer designed for this purpose includes a shell, and is characterized in that a cavity is arranged in the shell, a heating cup, a driver, a water pump and an electric control board are arranged in the cavity, the output shaft of the driver is installed at the geometric center of the shell, a heating component is arranged at the bottom of the heating cup, and the electric control board is electrically connected to the driver, the water pump and the heating component respectively.

[0006] A bracket is also provided in the cavity, the bracket is fixed on the outer shell, the driver is installed in the middle of the bracket and passes through the bracket, the heating cup is installed on the top side of the bracket, the water pump and the electric control board are installed on the bottom side of the bracket, the electric control board and the heating component are separated by the bracket, and the heating cup, heating component, water pump and electric control board are distributed around the driver.

[0007] A water diversion valve assembly is also provided in the cavity, which is installed on the bottom side of the bracket. The water diversion valve assembly is connected to the water pump and the heating cup respectively. The water pump, the electric control board and the water diversion valve assembly are jointly arranged around the driver.

[0008] A temperature sensor and a thermostat are arranged at the bottom of the heating cup, the temperature sensor and the thermostat are respectively installed on the top side of the bracket, the heating component, the temperature sensor and the thermostat are jointly arranged around the driver, and the electric control board is electrically connected to the temperature sensor and the thermostat respectively.

[0009] The bottom of the heating cup is provided with an air avoidance hole, and the upper part of the driver is inserted into the air avoidance hole.

[0010] A through hole is provided in the middle of the bracket, and the driver passes through the through hole. A support plate is provided at the bottom of the shell, a first flange is provided on the peripheral side of the driver, and a second flange is provided extending inwardly around the through hole. The top surface of the first flange is against the bottom surface of the second flange, and the bottom of the driver is supported on the support plate.

[0011] A first mounting groove and a second mounting groove which are interconnected are arranged at the bottom of the bracket. The water pump is positioned and installed on the first mounting groove, and the water diversion valve assembly is positioned and installed on the second mounting groove.

[0012] The electric control board is U-shaped, the driver is at least partially located in the U-shaped opening, a first detachable connection portion is provided between the electric control board and the bracket, and the electric control board is fixed to the bracket through the first detachable connection portion.

[0013] A second detachable connection portion is provided between the heating cup and the bracket, and the heating cup is fixed to the bracket via the second detachable connection portion; a third detachable connection portion is provided between the bracket and the shell, and the bracket is fixed to the shell via the third detachable connection portion.

[0014] An open opening communicating with the cavity is arranged on the top of the shell, and the heating cup is disassembled and assembled on the cavity through the open opening. A top cover is arranged on the top of the heating cup, and the top cover is arranged on the open opening.

[0015] The utility model arranges a bracket inside the main unit housing, and electrical components such as a driver, a water pump and an electric control board are integrated and mounted on the bracket; the driver is mounted in the middle of the bracket and passes through the bracket, and the output shaft of the driver is mounted at the geometric center of the housing; the heating cup, the heating component, the water pump and the electric control board are distributed around the driver, so that the horizontal lateral space of the main unit can be fully utilized, so that the internal structure of the main unit is more compact, and the overall volume of the coffee machine can be effectively reduced; in addition, the electric control board and the heating component are separated by the bracket, which can prevent the heat of the heating component from being transferred to the electric control board, thereby avoiding damage to the electric control board due to high temperature or the occurrence of safety accidents. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a cross-sectional view of a host in one embodiment of the utility model.

[0017] Figure 2 It is a cross-sectional view of the main machine from another aspect in one embodiment of the utility model.

[0018] Figure 3 The figure is a schematic diagram of the exploded structure of the host in one embodiment of the present utility model.

[0019] Figure 4 This is a partial structural exploded view of a host in one embodiment of the utility model.

[0020] Figure 5 It is a schematic diagram of the overall structure of the bracket in one embodiment of the utility model.

[0021] Figure 6 It is a schematic diagram of the overall structure of another aspect of the bracket in one embodiment of the utility model.

[0022] Figure 7 It is a schematic diagram of the overall structure of the housing in one embodiment of the utility model.

[0023] Figure 8 This is a schematic diagram of the overall structure of a heating cup in one embodiment of the utility model.

[0024] Fig. 9 The figure is a schematic diagram of the exploded structure of the water diversion valve assembly in one embodiment of the utility model.

[0025] Fig.10 It is a schematic diagram of the overall structure of the brewing device in one embodiment of the utility model.

[0026] Fig.11 It is a cross-sectional view of a brewing device in one embodiment of the utility model. DETAILED DESCRIPTION

[0027] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0028] See also Figure 1-Figure 11 The host structure of the portable brewer is a coffee machine, comprising a shell 1, a cavity 2 is arranged in the shell 1, a heating cup 4, a driver 5, a water pump 6 and an electric control board 7 are arranged in the cavity 2, the output shaft of the driver 5 is installed at the geometric center of the shell 1, a heating component 8 is arranged at the bottom of the heating cup 4, and the electric control board 7 is electrically connected to the driver 5, the water pump 6 and the heating component 8 respectively.

[0029] A bracket 3 is also provided in the cavity 2, and the bracket 3 is fixed on the outer shell 1. The driver 5 is installed in the middle of the bracket 3 and passes through the bracket 3. The heating cup 4 is installed on the top side of the bracket 3, and the water pump 6 and the electric control board 7 are installed on the bottom side of the bracket 3. The electric control board 7 and the heating component 8 are separated by the bracket 3, and the heating cup 4, the heating component 8, the water pump 6 and the electric control board 7 are distributed around the driver 5.

[0030] A water diverter valve assembly 9 is also provided in the cavity 2 and is mounted on the bottom side of the bracket 3. The water diverter valve assembly 9 is respectively connected to the water pump 6 and the heating cup 4. The water pump 6, the electric control board 7 and the water diverter valve assembly 9 are jointly arranged around the lower side of the driver 5. This structure can make full use of the horizontal lateral space of the host A.

[0031] A temperature sensor 10 and a thermostat 11 are provided at the bottom of the heating cup 4. The temperature sensor 10 and the thermostat 11 are respectively installed on the top side of the bracket 3. The heating component 8, the temperature sensor 10 and the thermostat 11 are jointly arranged around the driver 5. This structure further makes full use of the horizontal lateral space of the host A; the electric control board 7 is electrically connected to the temperature sensor 10 and the thermostat 11 respectively. The temperature sensor 10 is used to detect the temperature of the hot water in the heating cup 4. When the temperature of the hot water in the heating cup 4 is too high, the thermostat 11 will cut off the circuit to stop the heating component 8 from working.

[0032] A first mounting cavity 53 and a second mounting cavity 54 are provided on the bracket 3 . The temperature sensor 10 is mounted on the first mounting cavity 53 , and the temperature controller 11 is mounted on the second mounting cavity 54 .

[0033] A clearance hole 12 is provided at the bottom of the heating cup 4, and the upper part of the driver 5 is inserted into the clearance hole 12. This structure can save the vertical space inside the host A, making the internal structure of the host A more compact.

[0034] A through hole 13 is provided in the middle of the bracket 3, and the driver 5 passes through the through hole 13. A support plate 14 is integrally provided at the bottom of the housing 1. A first flange 15 is provided on the peripheral side of the lower part of the driver 5. A second flange 16 is extended inwardly around the periphery of the through hole 13. The top surface of the first flange 15 abuts against the bottom surface of the second flange 16 upward. The bottom of the driver 5 is supported on the support plate 14 to position the driver 5 up and down. The through hole 13 can position the driver 5 front, back, left and right so that the driver 5 is fixed on the bracket 3.

[0035] A boss 31 is provided at the bottom of the driver 5, and a groove 32 is provided on the support plate 14. The boss 31 is positioned and inserted into the groove 32. The bottom surface of the boss 31 is supported on the bottom wall of the groove 32. The groove 32 is surrounded by a circle of ribs 33, and the bottom surface of the driver 5 is supported on the top surface of the ribs 33.

[0036] A first mounting groove 17 and a second mounting groove 18 which are interconnected are provided at the bottom of the bracket 3. The water pump 6 is positioned and installed on the first mounting groove 17, and the water diversion valve assembly 9 is positioned and installed on the second mounting groove 18. A supporting column 34 is provided on the supporting plate 14, and the bottom of the water pump 6 is supported on the supporting column 34.

[0037] The electric control board 7 is U-shaped, and the driver 5 is at least partially located in the U-shaped opening. A first detachable connection portion is provided between the electric control board 7 and the bracket 3, and the electric control board 7 is fixed to the bracket 3 through the first detachable connection portion; the first detachable connection portion includes a first fixing hole 35 provided on the electric control board 7 and a second fixing hole 36 provided on the bracket 3, and screws are provided on the first fixing hole 35 and the second fixing hole 36 to fix the electric control board 7 on the bracket 3.

[0038] A second disassembly connection portion is provided between the heating cup 4 and the bracket 3, and the heating cup 4 is fixed to the bracket 3 through the second disassembly connection portion; the second disassembly connection portion includes a third fixing hole 37 provided at the bottom of the heating cup 4 and a fourth fixing hole 38 provided on the bracket 3, and screws are provided on the third fixing hole 37 and the fourth fixing hole 38 to fix the heating cup 4 to the bracket 3.

[0039] A third disassembly connection portion is provided between the bracket 3 and the shell 1, and the bracket 3 is fixed to the shell 1 through the third disassembly connection portion; the third disassembly connection portion includes a fifth fixing hole 39 provided on the bracket 3 and a sixth fixing hole 40 provided on the support plate 14, and screws are provided on the fifth fixing hole 39 and the sixth fixing hole 40 to fix the bracket 3 to the shell 1.

[0040] An open port 19 connected to the cavity 2 is provided on the top of the shell 1. The heating cup 4 is disassembled and assembled on the cavity 2 through the open port 19. The top of the heating cup 4 is covered with a top cover 20, which is covered on the open port 19. Water can be added to the heating cavity 23 by only opening the top cover 20.

[0041] The water diverter valve assembly 9 includes a water diverter valve 21 and a water outlet joint 22. A heating chamber 23 is provided in the heating cup 4, and a water outlet 24 is provided at the bottom of the heating chamber 23. The water diverter valve 21 is provided with a first water inlet end 25 and a first water outlet end 26 which are interconnected, as well as a second water inlet end 27 and a second water outlet end 28 which are interconnected. A third water inlet end 29 and a third water outlet end 30 are provided on the water pump 6. The first water inlet end 25 is connected to the water outlet 24, the first water outlet end 26 is connected to the third water inlet end 29, the third water outlet end 30 is connected to the second water inlet end 27, and the second water outlet end 28 is connected to the water outlet joint 22.

[0042] The water diverter valve 21 is positioned and installed on the second installation groove 18, and the water outlet joint 22 is supported at the bottom of the water diverter valve 21. The water outlet joint 22 is provided with a seventh fixing hole 41, and the bracket 3 is provided with an eighth fixing hole 42. Screws are provided on the seventh fixing hole 41 and the eighth fixing hole 42 to fix the water outlet joint 22 on the bracket 3.

[0043] The brewer also includes a bean grinding device B and an extraction device C. The bean grinding device B includes a bean grinding body 43 and a grinding assembly arranged in the bean grinding body 43. The grinding assembly includes a grinding blade 44 and a grinding core 45. The grinding blade 44 is sleeved on the outer periphery of the grinding core 45. A grinding gap is arranged between the grinding blade 44 and the grinding core 45. A bean bin 46 is arranged on the top of the bean grinding body 43. The bean bin 46 is located above the grinding assembly and is connected to the grinding gap. The driver 5 is a motor, and the motor is connected to the grinding core 45 through a rotating shaft 47. The bean grinding body 43 and the shell 1 are detachably connected.

[0044] The extraction device C includes an extraction cup 48 and a filter 49, an extraction chamber 50 is arranged in the extraction cup 48, the grinding gap is connected to the filter 49, the filter 49 is connected to the extraction chamber 50, a first flow channel 51 is arranged on the water outlet joint 22, a second flow channel 52 is arranged in the bean grinding body 43, the second water outlet end 28, the first flow channel 51, the second flow channel 52 and the filter 49 are connected in sequence; when the brewer is working, coffee beans are put into the bean bin 46 and fall into the grinding gap, and are ground by the grinding assembly, and the coffee powder formed after grinding falls into the filter 49, and at the same time, under the action of the water pump 6, the hot water in the heating chamber 23 flows to the filter 49 through the water diversion valve 21, the first flow channel 51 and the second flow channel 52 in sequence, and then the hot water flushes the coffee powder on the filter 49 into the extraction cup 48 to extract the coffee.

[0045] The above is a preferred embodiment of the utility model, which shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. The utility model may have various changes and improvements without departing from the spirit and scope of the utility model, and these changes and improvements fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A main structure of a portable brewing device, comprising a housing (1), characterized in that: A cavity (2) is arranged in the housing (1), a heating cup (4), a driver (5), a water pump (6) and an electric control board (7) are arranged in the cavity (2), an output shaft of the driver (5) is mounted at the geometric center of the housing (1), a heating component (8) is arranged at the bottom of the heating cup (4), and the electric control board (7) is electrically connected to the driver (5), the water pump (6) and the heating component (8) respectively; A bracket (3) is also provided in the cavity (2), the bracket (3) is fixed on the housing (1), the driver (5) is installed in the middle of the bracket (3) and passes through the bracket (3), the heating cup (4) is installed on the top side of the bracket (3), the water pump (6) and the electric control board (7) are installed on the bottom side of the bracket (3), the electric control board (7) and the heating component (8) are separated by the bracket (3), and the heating cup (4), the heating component (8), the water pump (6) and the electric control board (7) are distributed around the driver (5).

2. The main body structure of the portable brewer according to claim 1, characterized in that: A water diversion valve assembly (9) is also provided in the cavity (2). The water diversion valve assembly (9) is mounted on the bottom side of the bracket (3). The water diversion valve assembly (9) is connected to the water pump (6) and the heating cup (4) respectively. The water pump (6), the electric control board (7) and the water diversion valve assembly (9) are jointly arranged around the peripheral side of the driver (5).

3. The main body structure of the portable brewer according to claim 1, characterized in that: A temperature sensor (10) and a temperature controller (11) are arranged at the bottom of the heating cup (4); the temperature sensor (10) and the temperature controller (11) are respectively mounted on the top side of the bracket (3); the heating component (8), the temperature sensor (10) and the temperature controller (11) are jointly arranged around the driver (5); and the electric control board (7) is electrically connected to the temperature sensor (10) and the temperature controller (11).

4. The main body structure of the portable brewer according to claim 1, characterized in that: The bottom of the heating cup (4) is provided with an air avoidance hole (12), and the upper part of the driver (5) is inserted into the air avoidance hole (12).

5. The main body structure of the portable brewer according to claim 4, characterized in that: A through hole (13) is provided in the middle of the bracket (3), and the driver (5) passes through the through hole (13). A support plate (14) is provided at the bottom of the housing (1). A first flange (15) is provided on the peripheral side of the driver (5). A second flange (16) is provided inwardly extending from the peripheral side of the through hole (13). The top surface of the first flange (15) abuts upward against the bottom surface of the second flange (16), and the bottom of the driver (5) is supported on the support plate (14).

6. The main body structure of the portable brewer according to claim 2, characterized in that: A first mounting groove (17) and a second mounting groove (18) which are interconnected are provided at the bottom of the bracket (3); the water pump (6) is positioned and mounted on the first mounting groove (17); and the water diversion valve assembly (9) is positioned and mounted on the second mounting groove (18).

7. The main body structure of the portable brewer according to claim 1, characterized in that: The electric control board (7) is U-shaped, the driver (5) is at least partially located in the U-shaped opening, a first detachable connection portion is provided between the electric control board (7) and the bracket (3), and the electric control board (7) is fixed to the bracket (3) via the first detachable connection portion.

8. The main body structure of the portable brewer according to claim 1, characterized in that: A second detachable connection portion is provided between the heating cup (4) and the bracket (3), and the heating cup (4) is fixed to the bracket (3) via the second detachable connection portion; a third detachable connection portion is provided between the bracket (3) and the outer shell (1), and the bracket (3) is fixed to the outer shell (1) via the third detachable connection portion.

9. The main body structure of the portable brewer according to claim 1, characterized in that: An open opening (19) communicating with the cavity (2) is provided at the top of the housing (1); the heating cup (4) is detachably mounted on the cavity (2) through the open opening (19); a top cover (20) is provided on the top of the heating cup (4); and the top cover (20) is mounted on the open opening (19).

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