Portable coffee machine capable of automatically relieving pressure

Abstract

The utility model relates to a portable coffee machine capable of automatically relieving pressure. The portable coffee machine comprises a water tank, a shell, a water pump, an upper brewing head, a brewing assembly, an electromagnetic valve, a control part and a power supply part, the water tank is installed in the shell and provided with a water inlet, a backflow port and a water outlet. The water pump and the upper brewing head are installed in the shell, the brewing assembly is installed at the upper brewing head, a water outlet flow channel and a water return flow channel are arranged in the upper brewing head, the water pump is communicated with a water outlet of the water tank and an inlet of the water outlet flow channel, one outlet of the water outlet flow channel is communicated with the brewing assembly, and an inlet of the water return flow channel is communicated with the other outlet of the water outlet flow channel; an inlet of the electromagnetic valve is communicated with an outlet of the water return runner; an outlet of the electromagnetic valve is communicated with a reflux inlet of the water tank; the control part is electrically connected with the electromagnetic valve and the water pump, and the power supply part is electrically connected with the electromagnetic valve and the water pump.

Description

TECHNICAL FIELD

[0001] The utility model relates to a portable coffee machine of automatic pressure relief. BACKGROUND

[0002] At present, the portable coffee machine on the market, due to the structure layout and size limit, generally exist pressure too big or pressure too low phenomenon, when pressure is too big, easy to cause the phenomenon of water leakage or unable to twist or need to twist open pressure relief, the operation is complicated. SUMMARY

[0003] The utility model discloses a portable coffee machine of automatic pressure relief, which is characterized by comprising a water tank, a shell, a solenoid valve, a control element and a power element.

[0004] In order to achieve the above-mentioned purpose, the first technical scheme of the utility model is realized as follows: a portable coffee machine of automatic pressure relief, characterized by comprising:

[0005] a water tank and a shell; the water tank is installed in the shell, and an inlet, a backflow port and an outlet are arranged on the water tank;

[0006] a water pump, an upper brewing head and a brewing assembly; the water pump and the upper brewing head are respectively installed in the shell, and the brewing assembly is installed at the upper brewing head; a water outlet channel and a backwater channel are arranged in the upper brewing head; the inlet of the water pump is communicated with the outlet of the water tank; the outlet of the water pump is communicated with the inlet of the water outlet channel; one outlet of the water outlet channel is communicated with the brewing assembly; and the inlet of the backwater channel is communicated with the other outlet of the water outlet channel;

[0007] a solenoid valve; the inlet of the solenoid valve is communicated with the outlet of the backwater channel, and the outlet of the solenoid valve is communicated with the backflow port of the water tank; and

[0008] a control element and a power element; the control element is electrically connected with the solenoid valve and the water pump respectively, and the power element is electrically connected with the solenoid valve and the water pump respectively.

[0009] In the technical scheme, the brewing assembly comprises a lower brewing head, a lower cup body and a filter screen; the lower brewing head is detachably installed at the lower part of the upper brewing head and communicated with the outlet of the water outlet channel; the lower cup body is installed at the lower part of the lower brewing head; and the filter screen is installed in the lower brewing head.

[0010] In the technical scheme, a cup cover is further included; the inlet of the water tank is located at the upper part of the water tank; and the cup cover covers the inlet of the water tank.

[0011] In order to achieve the above-mentioned purpose, the second technical scheme of the utility model is realized as follows: a portable coffee machine of automatic pressure relief, characterized by comprising:

[0012] The water tank is installed in the shell, and the water inlet and the water outlet are arranged on the water tank;

[0013] The water pump, the upper brewing head and the brewing assembly are respectively installed in the shell, the brewing assembly is installed at the upper brewing head, the water outlet channel and the backwater channel are arranged in the upper brewing head, the water inlet of the water pump is communicated with the water outlet of the water tank, the water outlet of the water pump is communicated with the inlet of the water outlet channel, one outlet of the water outlet channel is communicated with the brewing assembly, and the inlet of the backwater channel is communicated with another outlet of the water outlet channel;

[0014] The electromagnetic valve is communicated with the outlet of the backwater channel, and the outlet of the electromagnetic valve is communicated with the outside;

[0015] The control element and the power element are respectively electrically connected with the electromagnetic valve and the water pump.

[0016] In the technical scheme, the brewing assembly comprises a lower brewing head, a lower cup body and a filter screen, the lower brewing head is detachably installed at the lower part of the upper brewing head and communicated with the outlet of the water outlet channel, the lower cup body is installed at the lower part of the lower brewing head, and the filter screen is installed in the lower brewing head.

[0017] In the technical scheme, a cup cover is further arranged, the water inlet of the water tank is arranged at the upper part of the water tank, and the cup cover covers the water inlet of the water tank.

[0018] In order to achieve the above-mentioned purpose, the third technical scheme of the utility model is implemented, which is a portable coffee machine with automatic pressure relief, and the portable coffee machine comprises:

[0019] The water pump, the upper brewing head and the brewing assembly are respectively installed in the shell, the brewing assembly is installed at the upper brewing head, the water outlet channel and the backwater channel are arranged in the upper brewing head, the water inlet of the water pump is communicated with the external water source, the water outlet of the water pump is communicated with the inlet of the water outlet channel, one outlet of the water outlet channel is communicated with the brewing assembly, and the inlet of the backwater channel is communicated with another outlet of the water outlet channel;

[0020] The electromagnetic valve is communicated with the outlet of the backwater channel, and the outlet of the electromagnetic valve is communicated with the outside;

[0021] The control element and the power element are respectively electrically connected with the electromagnetic valve and the water pump.

[0022] In the technical solution, the brewing assembly comprises a lower brewing head, a lower cup body and a filter screen; the lower brewing head is detachably installed at the lower part of the upper brewing head and communicates with the outlet of the water outlet channel, the lower cup body is installed at the lower part of the lower brewing head, and the filter screen is installed in the lower brewing head.

[0023] The portable pressure coffee machine is provided with an electromagnetic valve, the electromagnetic valve is opened to release pressure after the coffee machine is used each time, the coffee machine is convenient to clean and disassemble, and the operation experience is good. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 is an exploded view of the utility model;

[0025] Figure 2 is a structural schematic view of the utility model;

[0026] Figure 3 is a half sectional view of the utility model;

[0027] Figure 4 is a water path schematic view of the utility model embodiment one;

[0028] Figure 5 is a water path schematic view of the utility model embodiment two;

[0029] Figure 6 is a water path schematic view of the utility model embodiment three. DETAILED DESCRIPTION

[0030] The specific embodiments of the utility model will be further described below in combination with the drawings.It should be noted that the description of these embodiments is used to help understand the utility model, but does not constitute the limitation of the utility model. EMBODIMENT

[0031] As shown in the figure, it is a portable coffee machine of automatic pressure relief, comprising: Figures 1 to 4

[0032] a water tank 4 and a shell 2; the water tank 4 is installed in the shell 2, and the water tank 4 is provided with a water inlet, a backflow port and a water outlet;

[0033] A water pump 5, an upper brewing head 8 and a brewing assembly; the water pump 5 and the upper brewing head 8 are respectively installed in the shell 2, and the brewing assembly is installed at the upper brewing head 8, wherein a water outlet flow channel 81 and a water return flow channel 82 are arranged in the upper brewing head 8, the water inlet of the water pump 5 is communicated with the water outlet of the water tank 4, the water outlet of the water pump 5 is communicated with the inlet of the water outlet flow channel 81, the outlet of the water outlet flow channel 81 is communicated with the brewing assembly, and the inlet of the water return flow channel 82 is communicated with the other outlet of the water outlet flow channel 81;

[0034] An electromagnetic valve 7; the inlet of the electromagnetic valve 7 is communicated with the outlet of the water return flow channel 82, and the outlet of the electromagnetic valve 7 is communicated with the water return port of the water tank 4; and

[0035] A control member 3 and a power supply member 6; the control member 3 is respectively electrically connected with the electromagnetic valve 7 and the water pump 5, and the power supply member 6 is respectively electrically connected with the electromagnetic valve 7 and the water pump 5.

[0036] In operation, the user puts a coffee capsule or coffee powder into the brewing assembly, the control member 3 starts the water pump 5, and the water sequentially passes through the water tank 4, the water pump 5 and the water outlet flow channel 81 to enter the brewing assembly, and the above-mentioned water flow channels are high-pressure flow channels; after brewing coffee is completed, the control member 3 starts the electromagnetic valve 7 and stops the water pump 5, the water in the high-pressure flow channel sequentially passes through the water return flow channel 82 and the electromagnetic valve 7 to return to the water tank 4, thereby achieving the effect of pressure relief, facilitating cleaning and disassembly of the coffee machine, and providing a good operation experience.

[0037] In the embodiment, the brewing assembly comprises a lower brewing head 9, a lower cup body 10 and a filter screen 91; the lower brewing head 9 is detachably installed at the lower part of the upper brewing head 8 and communicated with the outlet of the water outlet flow channel 81, the lower cup body 10 is installed at the lower part of the lower brewing head 9, and the filter screen 91 is installed in the lower brewing head 9.

[0038] In the embodiment, a cup cover 1 is further included, the water inlet of the water tank 4 is located at the upper part of the water tank 4, and the cup cover 1 covers the water inlet of the water tank 4. Embodiment

[0039] As shown in Figures 1 to 3 and Figure 5 , it is a portable coffee machine with automatic pressure relief, comprising:

[0040] A water tank 4 and a shell 2; the water tank 4 is installed in the shell 2, and a water inlet and a water outlet are arranged on the water tank 4;

[0041] The water pump 5, the upper brewing head 8, and the brewing assembly are respectively installed in the housing 2. The brewing assembly is installed at the upper brewing head 8. The upper brewing head 8 is provided with an outlet channel 81 and a return channel 82. The inlet of the water pump 5 is connected to the outlet of the water tank 4. The outlet of the water pump 5 is connected to the inlet of the outlet channel 81. One outlet of the outlet channel 81 is connected to the brewing assembly. The inlet of the return channel 82 is connected to the other outlet of the outlet channel 81.

[0042] Solenoid valve 7; the inlet of solenoid valve 7 is connected to the outlet of the return water channel 82, and the outlet of solenoid valve 7 is connected to the outside; and

[0043] The control component 3 and the power supply component 6 are respectively electrically connected to the solenoid valve 7 and the water pump 5, and the power supply component 6 is respectively electrically connected to the solenoid valve 7 and the water pump 5.

[0044] During operation, the user places a coffee capsule or coffee powder into the brewing component. The control unit 3 starts the water pump 5, and the water flows through the water tank 4, the water pump 5, and the water outlet channel 81 before entering the brewing component. The water outlet channel is a high-pressure channel. After the coffee brewing is finished, the control unit 3 starts the solenoid valve 7 and stops the water pump 5. The water in the high-pressure channel flows through the return water channel 82 and the solenoid valve 7 before being discharged to the outside, thereby achieving the effect of pressure relief. This makes it easier to clean and disassemble the coffee machine and provides a good user experience.

[0045] In this embodiment, the brewing assembly includes a lower brewing head 9, a lower cup body 10, and a filter screen 91; the lower brewing head 9 is detachably installed at the lower part of the upper brewing head 8 and communicates with the outlet of the water outlet channel 81, the lower cup body 10 is installed at the lower part of the lower brewing head 9, and the filter screen 91 is installed in the lower brewing head 9.

[0046] In this embodiment, a cup lid 1 is also included. The water inlet of the water tank 4 is located at the upper part of the water tank 4, and the cup lid 1 covers the water inlet of the water tank 4. Example

[0047] like Figures 1 to 3 and Figure 6 As shown, it is a portable coffee machine with automatic pressure relief, including:

[0048] An external water source, a housing 2, a water pump 5, an upper brewing head 8, and a brewing assembly are included. The water pump 5 and the upper brewing head 8 are respectively installed in the housing 2. The brewing assembly is installed at the upper brewing head 8. The upper brewing head 8 is provided with an outlet channel 81 and a return channel 82. The inlet of the water pump 5 is connected to the external water source, the outlet of the water pump 5 is connected to the inlet of the outlet channel 81, one outlet of the outlet channel 81 is connected to the brewing assembly, and the inlet of the return channel 82 is connected to the other outlet of the outlet channel 81.

[0049] Solenoid valve 7; the inlet of solenoid valve 7 is connected to the outlet of the return water channel 82, and the outlet of solenoid valve 7 is open to the outside; and

[0050] The control component 3 and the power supply component 6 are respectively electrically connected to the solenoid valve 7 and the water pump 5, and the power supply component 6 is respectively electrically connected to the solenoid valve 7 and the water pump 5.

[0051] During operation, the user places a coffee capsule or coffee powder into the brewing component. The control unit 3 starts the water pump 5, and the external water source enters the brewing component after passing through the water pump 5 and the water outlet channel 81. The above water channel is a high-pressure channel. After the coffee brewing is completed, the control unit 3 starts the solenoid valve 7 and stops the water pump 5. The water in the high-pressure channel is discharged to the outside after passing through the return water channel 82 and the solenoid valve 7, thereby achieving the effect of pressure relief, which facilitates the cleaning and disassembly of the coffee machine and provides a good operating experience.

[0052] In this embodiment, the brewing assembly includes a lower brewing head 9, a lower cup body 10, and a filter screen 91; the lower brewing head 9 is detachably installed at the lower part of the upper brewing head 8 and communicates with the outlet of the water outlet channel 81, the lower cup body 10 is installed at the lower part of the lower brewing head 9, and the filter screen 91 is installed in the lower brewing head 9.

[0053] The embodiments of this utility model have been described in detail above with reference to the accompanying drawings, but this utility model is not limited to the described embodiments. For those skilled in the art, various changes, modifications, substitutions, and variations of these embodiments without departing from the principles and spirit of this utility model still fall within the protection scope of this utility model.

Claims

1. A portable coffee machine with automatic pressure relief, characterized in that... include: Water tank (4) and shell (2); the water tank (4) is installed in the shell (2), and the water tank (4) is provided with an inlet, a return outlet and an outlet; Water pump (5), upper brewing head (8) and brewing component; the water pump (5) and upper brewing head (8) are respectively installed in the housing (2), the brewing component is installed at the upper brewing head (8), the upper brewing head (8) is provided with an outlet channel (81) and a return channel (82), the inlet of the water pump (5) is connected to the outlet of the water tank (4), the outlet of the water pump (5) is connected to the inlet of the outlet channel (81), one outlet of the outlet channel (81) is connected to the brewing component, and the inlet of the return channel (82) is connected to the other outlet of the outlet channel (81); Solenoid valve (7); the inlet of the solenoid valve (7) is connected to the outlet of the return water channel (82), and the outlet of the solenoid valve (7) is connected to the return port of the water tank (4); and Control unit (3) and power supply unit (6); the control unit (3) is electrically connected to the solenoid valve (7) and the water pump (5) respectively, and the power supply unit (6) is electrically connected to the solenoid valve (7) and the water pump (5) respectively.

2. The portable coffee machine with automatic pressure relief according to claim 1, characterized in that... The brewing assembly includes a lower brewing head (9), a lower cup body (10), and a filter screen (91); the lower brewing head (9) is detachably installed at the lower part of the upper brewing head (8) and communicates with the outlet of the water outlet channel (81); the lower cup body (10) is installed at the lower part of the lower brewing head (9); and the filter screen (91) is installed in the lower brewing head (9).

3. The portable coffee machine with automatic pressure relief according to claim 1, characterized in that... It also includes a cup lid (1), the water inlet of the water tank (4) is located at the top of the water tank (4), and the cup lid (1) covers the water inlet of the water tank (4).

4. A portable coffee machine with automatic pressure relief, characterized in that... include: Water tank (4) and shell (2); the water tank (4) is installed in the shell (2), and the water tank (4) is provided with an inlet and an outlet; Water pump (5), upper brewing head (8) and brewing component; the water pump (5) and upper brewing head (8) are respectively installed in the housing (2), the brewing component is installed at the upper brewing head (8), the upper brewing head (8) is provided with an outlet channel (81) and a return channel (82), the inlet of the water pump (5) is connected to the outlet of the water tank (4), the outlet of the water pump (5) is connected to the inlet of the outlet channel (81), one outlet of the outlet channel (81) is connected to the brewing component, and the inlet of the return channel (82) is connected to the other outlet of the outlet channel (81); Solenoid valve (7); the inlet of the solenoid valve (7) is connected to the outlet of the return water channel (82), and the outlet of the solenoid valve (7) is connected to the outside; and Control unit (3) and power supply unit (6); the control unit (3) is electrically connected to the solenoid valve (7) and the water pump (5) respectively, and the power supply unit (6) is electrically connected to the solenoid valve (7) and the water pump (5) respectively.

5. The portable coffee machine with automatic pressure relief according to claim 4, characterized in that... The brewing assembly includes a lower brewing head (9), a lower cup body (10), and a filter screen (91); the lower brewing head (9) is detachably installed at the lower part of the upper brewing head (8) and communicates with the outlet of the water outlet channel (81); the lower cup body (10) is installed at the lower part of the lower brewing head (9); and the filter screen (91) is installed in the lower brewing head (9).

6. The portable coffee machine with automatic pressure relief according to claim 4, characterized in that... It also includes a cup lid (1), the water inlet of the water tank (4) is located at the top of the water tank (4), and the cup lid (1) covers the water inlet of the water tank (4).

7. A portable coffee machine with automatic pressure relief, characterized in that... include: An external water source, a housing (2), a water pump (5), an upper brewing head (8), and a brewing component are provided. The water pump (5) and the upper brewing head (8) are respectively installed in the housing (2), and the brewing component is installed at the upper brewing head (8). The upper brewing head (8) is provided with an outlet channel (81) and a return channel (82). The inlet of the water pump (5) is connected to the external water source, the outlet of the water pump (5) is connected to the inlet of the outlet channel (81), one outlet of the outlet channel (81) is connected to the brewing component, and the inlet of the return channel (82) is connected to the other outlet of the outlet channel (81). Solenoid valve (7); the inlet of the solenoid valve (7) is connected to the outlet of the return water channel (82), and the outlet of the solenoid valve (7) is open to the outside; and Control unit (3) and power supply unit (6); the control unit (3) is electrically connected to the solenoid valve (7) and the water pump (5) respectively, and the power supply unit (6) is electrically connected to the solenoid valve (7) and the water pump (5) respectively.

8. The portable coffee machine with automatic pressure relief according to claim 7, characterized in that... The brewing assembly includes a lower brewing head (9), a lower cup body (10), and a filter screen (91); the lower brewing head (9) is detachably installed at the lower part of the upper brewing head (8) and communicates with the outlet of the water outlet channel (81); the lower cup body (10) is installed at the lower part of the lower brewing head (9); and the filter screen (91) is installed in the lower brewing head (9).

Images