CN215583859U

CN215583859U - Portable brewing device

Info

Publication number: CN215583859U
Application number: CN202121488322.7U
Authority: CN
Inventors: 金文�; 胡伟
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-07-01
Filing date: 2021-07-01
Publication date: 2022-01-21
Anticipated expiration: 2031-07-01

Abstract

The utility model discloses a portable brewing device, which comprises: the brewing box is provided with a brewing cavity, and the brewing cavity is provided with a first opening and a second opening; the main machine comprises an air extracting device and an air return pipe, wherein an air inlet of the air extracting device is arranged and communicated with the brewing cavity, and an air outlet of the air extracting device is communicated with the atmosphere; the air inlet of the air return pipe is communicated with the atmosphere, the air outlet of the air return pipe is communicated with the brewing cavity, and the air return pipe is provided with a control valve; the first filtering piece is detachably arranged in the brewing box and is used for filtering the liquid passing through the second opening; one end of the conduit is hermetically connected with the second opening; when the beverage is brewed, the first opening is higher than the second opening, the other end of the conduit pipe is inserted into the container and is immersed below the liquid level in the container, and the container is communicated with the atmosphere. The portable brewing device is simple in structure and convenient to carry, and can meet the requirements of a user on carrying and preparing beverages when the user goes out.

Description

Portable brewing device

Technical Field

The utility model belongs to the technical field of beverage preparation, and particularly relates to a portable brewing device.

Background

The beverage brewing equipment on the market is generally household or commercial, and the beverage brewing equipment generally has a large volume and is inconvenient to carry, can be fixedly used indoors and cannot be carried and used outdoors, and cannot meet the requirement of a user for preparing the beverage for drinking when the user travels, goes on a business or goes out.

Therefore, a new technique is needed to solve the problem of the prior art beverage brewing devices being inconvenient to carry.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problems in the prior art, the present invention provides a portable brewing device, which is convenient to carry and can satisfy the requirements of users for carrying and preparing beverages when going out.

The utility model adopts the following technical scheme:

a portable brewer, comprising:

the brewing device comprises a brewing box, a first valve and a second valve, wherein the brewing box is provided with a brewing cavity;

the main machine comprises an air extracting device and an air return pipe, wherein an air extracting inlet of the air extracting device is communicated with the brewing cavity and used for extracting air in the brewing cavity, and an air extracting outlet of the air extracting device is communicated with the atmosphere; the air return inlet of the air return pipe is communicated with the atmosphere, the air return outlet of the air return pipe is communicated with the brewing cavity, and the air return pipe is provided with a control valve for controlling the communication and disconnection of the air return pipe;

the first filtering piece is detachably arranged in the brewing box and is used for filtering the liquid passing through the second opening; and

a conduit having one end sealingly connected to the second opening;

when the beverage is brewed, the first opening is higher than the second opening, the other end of the conduit pipe is inserted into the container and is immersed below the liquid level in the container, and the interior of the container is communicated with the atmosphere.

As an improvement of the technical scheme of the utility model, the lower surface of the brewing box is provided with a plurality of convex edges, when the beverage is brewed, the brewing box is arranged at the upper end opening of the container, the convex edges are abutted against the opening of the container, a ventilation gap is formed between every two adjacent convex edges, and the ventilation gap communicates the inside of the container with the atmosphere.

As an improvement of the technical scheme of the utility model, the lower end of the brewing box is in a bucket shape, and the first filter element is also in a bucket shape.

As an improvement of the technical scheme of the utility model, a plurality of limiting convex ribs are arranged between the lower surface of the first filter element and the bucket-shaped inner wall of the brewing box, and liquid passing gaps are formed between adjacent limiting convex ribs.

As an improvement of the technical scheme of the utility model, the limiting convex rib is arranged on the lower surface of the first filter piece or on the bucket-shaped inner wall of the brewing box.

As an improvement of the technical scheme of the utility model, the first filter element is screwed with the brewing box.

As an improvement of the technical scheme of the utility model, the inner wall of the brewing box is provided with a screwing slot position, and the outer edge of the first filtering piece is provided with a plurality of convex blocks which can be screwed and fixed with the screwing slot position.

As an improvement of the technical scheme of the utility model, the first filter element is also provided with a transversely arranged screwing handle position.

As an improvement of the technical scheme of the utility model, the host machine further comprises a shell, the shell is provided with a connector detachably and hermetically connected with the first opening, and the air suction inlet of the air suction device and the air return outlet of the air return pipe are arranged on the connector.

As an improvement of the technical scheme of the utility model, the connector is convexly arranged on the shell, the brewing box is provided with a connecting matching head which extends inwards from the first opening, the connector is in threaded connection with the connecting matching head, and a first sealing ring is sleeved on the connector.

As an improvement of the technical scheme of the utility model, the connecting matching head part extends into the brewing cavity, and the brewing cavity surrounds the connecting matching head to form a circle of liquid storage tank.

As an improvement of the technical scheme of the utility model, the tea brewing box further comprises a second filter element, wherein the second filter element is detachably arranged in the brewing box and is positioned between the air suction inlet and the first filter element.

As an improvement of the technical scheme of the utility model, the second filter element is in snap connection with the connecting fitting head.

As an improvement of the technical scheme of the utility model, the second filter element comprises a filter part and a buckle connecting part, the outer edge of the filter part is abutted against the inner wall of the brewing cavity, the buckle connecting part is provided with a clasp which extends upwards from the filter part, and the connecting and matching head is provided with a convex ring which is matched and fixed with the clasp.

As an improvement of the technical solution of the present invention, the fastening connection portion is provided with a pressing portion below the first opening.

As an improvement of the technical scheme of the utility model, a circle of step limiting part is arranged at the upper end of the filtering part in the brewing cavity.

As an improvement of the technical scheme of the utility model, the air exhaust outlet is arranged on the lower end surface of the shell, and after the connector is connected with the first opening, a gap is formed between the lower end surface of the shell and the upper end surface of the brewing box so as to communicate the air exhaust outlet with the atmosphere.

As an improvement of the technical scheme of the utility model, one of the lower end surface of the casing or the upper end surface of the brewing box is provided with a limiting protrusion, and after the connector is connected with the first opening, the other of the lower end surface of the casing or the upper end surface of the brewing box is abutted against the limiting protrusion.

As an improvement of the technical scheme of the utility model, the casing comprises an upper casing and a lower casing, the joint of the upper casing and the lower casing is hermetically arranged, the connector is arranged on the lower casing, and the air exhaust outlet is arranged on the lower casing.

As an improvement of the technical scheme of the utility model, a cavity formed after the upper shell and the lower shell are connected is communicated with the atmosphere, and the air return inlet is positioned in the cavity.

As an improvement of the technical scheme of the utility model, the air exhaust device is set to start air exhaust and stop air exhaust after the air exhaust device continues for a preset time; the position of the air suction inlet is higher than the highest liquid level of the liquid entering the brewing cavity within the preset time length.

As an improvement of the technical scheme of the utility model, the lower end of the conduit is arranged in a blocking way, and the side wall of the lower end is provided with a plurality of through holes.

As an improvement of the technical scheme of the utility model, the device also comprises a sealing sleeve which envelopes and seals the lower end of the guide pipe.

As an improvement of the technical scheme of the utility model, the brewing box comprises a first box part and a second box part which is detachably and hermetically connected with the first box part, the brewing cavity is formed inside the first box part and the second box part after the first box part and the second box part are hermetically connected, the first opening is arranged on the first box part, the second opening is arranged on the second box part, and the second box part is integrally connected with the guide pipe.

As an improvement of the technical solution of the present invention, the first box part and the second box part are connected by a thread, and a second sealing ring is further provided between the first box part and the second box part.

As an improvement of the technical scheme of the utility model, the air exhaust device further comprises a power supply and a control device, wherein the control device is electrically connected with the air exhaust device and the control valve, and the power supply is used for supplying power to the control device, the air exhaust device and the control valve.

As an improvement of the technical scheme of the utility model, the control device comprises a control circuit board and an operation control board, and the operation control board, the air exhaust device and the control valve are electrically connected with the control circuit board.

As an improvement of the technical scheme of the utility model, the power supply is a mobile power supply, and the operation control panel is provided with a charging port for charging the power supply.

As an improvement of the technical scheme of the utility model, the operation control panel is a touch panel.

As an improvement of the technical scheme of the utility model, the operation control panel is provided with a power switch, a working mode switching button and a plurality of working mode indicating lamps, the working mode switching button is pressed to switch different working modes, the corresponding working mode indicating lamps are lightened, and the soaking set time length corresponding to each working mode is different.

As an improvement of the technical scheme of the utility model, the main machine further comprises a main air pipe, the main air pipe is arranged in the connector, and the air suction inlet and the air return outlet of the air return pipe are communicated with the main air pipe through a three-way connector.

Compared with the prior art, the utility model has the beneficial effects that:

the portable brewing device can be used for adding beverage preparation materials into a brewing cavity, inserting a guide pipe into a container (such as a water cup) and adding liquid (such as water or milk) into the container, pumping air out of the brewing cavity (at the moment, the control valve is closed) through the matching of the air pumping device and the control valve, sucking the liquid in the container into the brewing cavity under the action of atmospheric pressure to be mixed with the beverage preparation materials, stopping pumping air, opening the control valve, communicating the brewing cavity with the atmosphere through an air return pipe, and returning the liquid in the brewing cavity downwards to the container. By continuously controlling the starting and stopping of the air extractor and controlling the opening and closing of the valve, the liquid continuously flows back and forth in the brewing cavity and the container, so that the liquid and the beverage preparation material are fully mixed, and the beverage is prepared. The portable outdoor beverage bottle is simple in integral structure, small in size, convenient to carry and capable of being used outdoors, and meets the requirements of users for carrying and preparing beverages when going out.

Drawings

The technology of the present invention will be described in further detail with reference to the accompanying drawings and detailed description below:

FIG. 1 is a schematic view of the present portable brewer with the brew cartridge and main housing separated;

FIG. 2 is a cross-sectional view of the portable brewer with air return;

FIG. 3 is a cross-sectional view of the portable brewer during air extraction;

FIG. 4 is an enlarged view at A in FIG. 3;

figure 5 is a schematic view of the first cassette part and the second cassette part when separated;

FIG. 6 is an exploded view of the brew chamber;

FIG. 7 is a cross-sectional view of the brew cartridge, conduit;

figure 8 is a schematic view of the second cassette part when connected to a catheter;

FIG. 9 is a schematic diagram of one embodiment of a host;

FIG. 10 is a schematic diagram of another embodiment of a host;

FIG. 11 is a perspective view of an embodiment of the host of FIG. 9;

FIG. 12 is a schematic view of the operating panel;

FIG. 13 is an exploded view of the host;

FIG. 14 is an isometric view of the present portable brewer.

Reference numerals:

1-brewing the box; 11-a first cassette part; 111-a first opening; 112-connecting the mating head; 1121-convex ring; 113-a liquid storage tank; 114-step limiting part; 12-a second cassette part; 121-a second opening; 122-a rib; 123-a rotary joint slot position; 13-brewing chamber; 14-voids; 15-limiting bulges; 16-a second sealing ring;

2-a host; 21-a housing; 211-a connecting head; 212-a first sealing ring; 213-upper shell; 214-a lower shell; 215-third sealing ring; 22-a power supply; 23-a control device; 231-a control circuit board; 232-operating the control panel; 2321-power switch; 2322 — working mode switching button; 2323 — operating mode indicator light; 233-charging port; 24-a suction device; 241-an air suction inlet; 242-bleed air outlet; 25-air return pipe; 251-return air inlet; 252-return air outlet; 253-a control valve; 26-a main gas pipe;

3-a first filter element; 31-limiting convex ribs; 32-bumps; 33-a knob position; 4-a catheter; 41-through holes; 5-a second filter element; 51-a filter section; 52-snap connection; 521-a clasp; 53-a pressing part; 6-sealing sleeve; 7-container.

Detailed Description

The conception, the specific structure and the technical effects of the present invention will be clearly and completely described in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the schemes and the effects of the present invention. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The same reference numbers will be used throughout the drawings to refer to the same or like parts.

It should be noted that, unless otherwise specified, when a feature is referred to as being "fixed" or "connected" to another feature, it may be directly fixed or connected to the other feature or indirectly fixed or connected to the other feature. Further, the description of the upper, lower, left, right, etc. used in the present invention is only with respect to the positional relationship of the respective components of the present invention with respect to each other in the drawings.

Referring to fig. 1 to 14, a portable brewer includes a brewing cartridge 1, a main body 2, a first filter 3, and a conduit 4.

With reference to fig. 1 to 8, the brewing box 1 is provided with a brewing chamber 13, and the brewing chamber 13 is provided with a first opening 111 and a second opening 121. The brewing chamber 13 can be filled with solid ingredients required for the preparation of the beverage, the second opening 121 being intended for the introduction of a liquid required for the preparation of the beverage and the first opening 111 being intended for aeration. In one embodiment, the brewing box 1 includes a first box portion 11 and a second box portion 12 detachably and hermetically connected to the first box portion 11, the first box portion 11 and the second box portion 12 are hermetically connected to form the brewing chamber 13 therein, the first opening 111 is disposed in the first box portion 11, the second opening 121 is disposed in the second box portion 12, the second box portion 12 is integrally connected to the conduit 4, the first box portion 11 and the second box portion 12 are separated to conveniently add solid materials required for beverage preparation into the brewing chamber 13, and then the first box portion 11 and the second box portion 12 are connected and sealed to prevent leakage during beverage preparation, the first box portion 11 may be a main box body, and the second box portion 12 may be a box cover. Specifically, first box portion 11 with second box portion 12 threaded connection sets up the external screw thread on the first box portion 11, sets up the internal thread on the second box portion 12, first box portion 11 with still be equipped with second sealing washer 16 between the second box portion 12, with first box portion 11 with second box portion 12 closes the back and realizes sealed between the two soon.

One end of the conduit 4 is hermetically connected with the second opening 121, the conduit 4 is hollow, and openings are formed at two ends of the conduit 4 for liquid to flow in and out.

The first filter member 3 is removably arranged in the brewing cassette 1 for filtering the liquid passing through the second opening 121. The first filter member 3 may be a filter screen or a filter paper or a filter cloth.

Referring to fig. 1 to 3 and 9 to 13, the main body 2 includes an air suction device 24 and an air return pipe 25. The air suction inlet 241 of the air suction device 24 is communicated with the brewing chamber 13 for sucking air out of the brewing chamber 13, the air suction outlet 242 of the air suction device 24 is communicated with the atmosphere, and the air suction device 24 can be an air pump; the air return inlet 251 of the air return pipe 25 is communicated with the atmosphere, the air return outlet 252 of the air return pipe 25 is communicated with the brewing cavity 13, the air return pipe 25 is provided with a control valve 253 for controlling the communication and disconnection of the air return pipe, and the control valve 253 can adopt an electromagnetic valve. In actual use, when the air extractor 24 extracts air, the control valve 253 is closed, and when the air extraction is stopped, the control valve 253 is selected to be immediately opened or continuously closed to maintain a period of time and then opened according to specific preparation conditions.

Referring to fig. 2 and 3, when the beverage is brewed, the first opening 111 is higher than the second opening 121, the other end of the conduit 4 is inserted into a container 7 (such as a cup) and is immersed below the liquid level in the container 7, the container 7 is communicated with the atmosphere, and therefore, the liquid in the container 7 can be pressed into the brewing cavity 13 to be mixed with the raw material in the brewing cavity 13 and can be refluxed into the container 7 from the liquid in the brewing cavity 13 by controlling the air pressure of the brewing cavity 13 through the action of the atmospheric pressure.

Based on the structure, the portable beverage bottle is simple in overall structure, small in size and convenient to carry, and meets the requirements of users for carrying and preparing beverages when going out. The use process of the portable brewing device is briefly described as follows:

1) preparing raw materials required by brewing beverage, searching a container 7 (a water cup is generally arranged in a room), and adding liquid (such as water or other liquid such as milk) required by brewing beverage into the container 7;

2) putting the raw materials into a brewing cavity 13, connecting the portable brewing device, and starting brewing;

3) the air extracting device 24 starts air extraction and keeps the air extraction for a preset time (at the moment, the control valve 253 is closed), the air in the brewing cavity 13 is extracted, the air pressure is reduced, the liquid in the container 7 is sucked into the brewing cavity 13 under the action of the atmospheric pressure to be mixed with the beverage preparation material, after the preset time, the air extracting device 24 stops air extraction, according to the specific beverage preparation requirement, the control valve 253 is opened or kept closed for a period of time and then is opened, the air return pipe 25 communicates the inside of the brewing cavity 13 with the atmosphere, the liquid in the brewing cavity 13 flows back to the container 7, during the backflow, the liquid passes through the first filter element 3, and the undissolved blocky raw material is filtered and left in the brewing cavity 13;

4) and 3) performing multiple operations until the beverage preparation is finished.

Referring to fig. 8, the lower surface of the brewing box 1 is provided with a plurality of ribs 122, when the beverage is brewed, the brewing box 1 is erected on the upper end opening of the container 7, the ribs 122 are abutted against the opening of the container 7, a ventilation gap is formed between every two adjacent ribs 122, the ventilation gap communicates the inside of the container 7 with the atmosphere, and the ribs 122 are arranged to ensure that the ventilation gap is looked at with the upper end opening of the container 7 when the brewing box 1 is brewed, so that the communication between the inside of the container 7 and the atmosphere is ensured, and the influence on the liquid flowing into the brewing cavity 13 or flowing out of the brewing cavity 13 is avoided.

In one embodiment, with reference to fig. 1 to 8, the lower end of the brewing box 1 is shaped like a bucket, and the first filter element 3 is shaped like a bucket, which are matched to facilitate installation, and the bucket-shaped first filter element 3 also facilitates the filtration of the liquid.

Preferably, referring to fig. 6, a plurality of limiting ribs 31 are arranged between the lower surface of the first filter member 3 and the bucket-shaped inner wall of the brewing box 1, and a liquid passing gap is formed between adjacent limiting ribs 31. Because the lower extreme and the first filter piece 3 of infusing box 1 all are the fill form, if both laminate completely, then the lower extreme inner wall of infusing box 1 can plug up first filter piece 3 to influence filterable efficiency, consequently set up spacing protruding muscle 31, thereby form and lead to the liquid clearance, the liquid of being convenient for is through first filter piece 3. Wherein the limiting rib 31 is provided on the lower surface of the first filter member 3 or on the inner wall of the brewing box 1, and in one embodiment, the limiting rib 31 is provided on the lower surface of the first filter member 3.

With reference to fig. 6, in order to facilitate the installation and removal of the first filter member 3, the first filter member 3 is screwed to the brewing box 1. Specifically, dash the inner wall of bubble box 1 and be equipped with and close the trench 123 soon, first filter the piece 3 the outward flange locate a plurality of can with close fixed lug 32 soon in the trench 123 soon, through the cooperation that closes trench 123 and lug 32 soon, can close first filter the piece 3 soon in the bubble box 1, likewise, when needing to dismantle to wash or change first filter the piece 3, then deviate from lug 32 from closing trench 123 soon through closing soon, will filter piece 3 and bubble box 1 separation first. With first filter 3 and dash bubble box 1 and close fixedly soon, can avoid when empting out remaining solid raw materials, first filter 3 drops to the garbage bin in.

Preferably, referring to fig. 6, in order to facilitate the first filter member 3 to rotate for installation and disassembly, the first filter member 3 is further provided with a horizontally arranged screwing handle position 33, the screwing handle position 33 is a horizontally arranged cross rod, two ends of the screwing handle position 33 are fixedly connected with the first filter member 3, and during disassembly, the screwing handle position 33 is pinched by fingers to rotate, so that the first filter member 3 can be disassembled and installed in the same manner.

Host computer 2 still includes casing 21, casing 21 be equipped with the connector 211 of the detachable sealing connection of first opening 111, air exhaust device 24 bleed air inlet 241 the return air gas outlet 252 of muffler 25 is located connector 211 realizes dismantling host computer 2 and bubble box 1 through connector 211 and is connected, conveniently dismantles washing and assembly.

Wherein, referring to fig. 1 to 6, the connector 211 is convexly disposed on the housing 21, the brewing box 1 is provided with a connection fitting head 112 extending inwards from the first opening 111, the connector 211 is in threaded connection with the connection fitting head 112, and a first sealing ring 212 is sleeved on the connector 211. The connector 211 is provided with an external thread, the connection matching head 112 is provided with a screw hole and an internal thread, the connection matching head and the connector 211 are screwed and fixed, and after the connection matching head and the connector 211 are fixed, the first sealing ring 212 is clamped between the shell 21 and the brewing box 1 to seal the connection part of the shell and the brewing box 1.

Preferably, with reference to fig. 3, the connection fitting head 112 extends partially into the brewing chamber 13, and the brewing chamber 13 forms a ring of liquid storage slots 113 around the connection fitting head 112. The liquid storage tank 113 is arranged, so that after brewing is completed, beverage is poured out, the brewing box 1 is inverted (the other end of the brewing box 1 is connected with the conduit 4 and cannot be stably placed), and the beverage remained in the brewing cavity 13 can be collected in the liquid storage tank 113 instead of directly entering the air inlet of the air extraction device 24 on the connector 211 and the air outlet of the air return device through the screw hole of the connecting matching head 112, so that the beverage enters the main machine 2 to cause internal contamination of the main machine 2.

Preferably, with reference to fig. 3 and 6, the portable brewer further comprises a second filter element 5, said second filter element 5 being removably arranged inside said brewing cartridge 1 and between said suction air inlet 241 and said first filter element 3. The second filters 5 and sets up in the upper end, and the cooperation is first to be filtered 3 and can be restricted solid raw materials between the second filters 5 and the first filter 3, avoids brewing the liquid level in the box 1 and rises the back, and solid raw materials enters into air inlet 241 along with liquid state continuation above-mentioned, causes the jam. In one embodiment, the second filter element 5 is snap-fitted to the fitting head 112, facilitating easy assembly and disassembly for cleaning.

Specifically, referring to fig. 6, the second filter 5 includes filter part 51 and buckle connecting portion 52, the outer border of filter part 51 with the inner wall butt of infusing chamber 13, buckle connecting portion 52 has filter part 51 upwards extends and is equipped with clasp 521, connect fitting head 112 be equipped with clasp 521 cooperation fixed bulge loop 1121, can be connected second filter 5 and infusing box 1 through clasp 521 and bulge loop 1121's cooperation promptly and fix, avoid when pouring out remaining solid raw materials, second filter 5 drops in the garbage bin. The filter part 51 is circular in shape, the cross section of the brewing cavity 13 at the corresponding mounting position is also circular, and the shapes of the filter part and the brewing cavity are matched, so that the solid raw materials are prevented from bypassing the second filter element 5 and entering the air suction inlet 241 due to the gap 14. The filter part 51 of the second filter member 5 is a filter screen, a filter paper or a filter cloth. In order to detach the second filter element 5 conveniently, the pressing portion 53 is disposed below the first opening 111 of the fastening connection portion 52, so that when detaching is needed, a user's finger can extend into the first opening 111 and press the pressing portion 53 to separate the hook 521 from the convex ring 1121, thereby detaching the second filter element 51.

Referring to fig. 3, a circle of step limiting portions 114 is arranged at the upper end of the filtering portion 51 in the brewing chamber 13, and the step limiting portions 114 limit the second filtering member 5 and are matched with the clasp 521 to realize fixation.

Referring to fig. 3, 9 to 11, the air exhaust outlet 242 is disposed on the lower end surface of the casing 21 to hide the air outlet, so that the portable brewing device is more attractive as a whole, after the connection head 211 is connected to the first opening 111, a gap 14 is formed between the lower end surface of the casing 21 and the upper end surface of the brewing box 1 to communicate the air exhaust outlet 242 with the atmosphere, and the communication is maintained, so that the air in the brewing chamber 13 can be exhausted by the air exhaust device 24 to reduce the air pressure in the brewing chamber 13. Specifically, one of the lower end surface of the housing 21 or the upper end surface of the brewing box 1 is provided with a limiting protrusion 15, and after the connector 211 is connected with the first opening 111, the other one of the lower end surface of the housing 21 or the upper end surface of the brewing box 1 is abutted against the limiting protrusion 15. By the arrangement of the limiting protrusion 15, a gap 14 can be formed after the machine shell 21 and the brewing box 1 are connected, and the air exhaust outlet 242 is kept communicated with the atmosphere.

The housing 21 includes an upper housing 213 and a lower housing 214, the joint between the upper housing 213 and the lower housing 214 is sealed, the connector 211 is disposed on the lower housing 214, and the air exhaust outlet 242 is disposed on the lower housing 214. The junction of the upper shell 213 and the lower shell 214 is sealed by the third sealing ring 215, when cleaning, the lower end of the main machine 2 can be immersed into clean water, the water is not worried about to enter the main machine 2 for cleaning, and meanwhile, the air pumping device 24 is started to suck and discharge the clean water, so that the air pipe of the air pumping device 24 is cleaned.

Preferably, the cavity formed after the upper shell 213 and the lower shell 214 are connected is communicated with the atmosphere, the air return inlet 251 is located in the cavity, that is, the inside of the host machine 2 is not sealed, and the air return pipe 25 can be communicated with the atmosphere in the cavity, so that the air inlet of the air return pipe 25 does not need to be arranged on the machine shell 21, the holes on the outside are reduced, and the whole host machine 2 is more beautiful.

Specifically, the air exhaust device 24 is set to start air exhaust and stop air exhaust after a preset time; the bleed air inlet 241 is positioned above the maximum level of liquid entering the brew chamber 13 for the predetermined period of time. Under the arrangement, the situation that the liquid level is too high due to too much liquid entering the brewing box 1 and the liquid is pumped to the air inlet of the air pumping device 24 and discharged by the air pumping device 24 can be avoided, so that the portable brewing device does not need to be provided with a liquid level sensor, and the liquid can be prevented from being pumped to the air pumping device 24 and discharged by only controlling the duration of air pumping of the air pumping device 24.

In actual use, the utility model discloses a discovery, if the lower extreme opening of pipe 4 is downward (when being said that pipe 4 link up from top to bottom), then after the beverage preparation is accomplished, the beverage can not the misce bene, but can form upper and lower layering. In order to solve the problem, the utility model discloses the people improves pipe 4, refer to fig. 1 to 8, set up a plurality of through-holes 41 on the lateral wall of the lower extreme shutoff setting of pipe 4 and lower extreme, set up through-hole 41 on the lateral wall, from the through-hole 41 business turn over of lateral wall when the beverage passes in and out, can improve the problem of beverage layering greatly.

In order to solve the problem that residual beverage in the brewing chamber 13 may flow out of the conduit 4 and contaminate the backpack if the beverage is not cleaned in time after being prepared, referring to fig. 6 and 14, the portable brewing device further comprises a sealing sleeve 6 for enveloping and sealing the lower end of the conduit 4, so that the residual beverage can be prevented from flowing out, and the beverage can be cleaned at a convenient time. The residual beverage can not flow out from the first opening 111 due to the liquid storage tank 113 at the other end.

Referring to fig. 13, the control device 23 is electrically connected to the air exhaust device 24 and the control valve 253, and the power source 22 is used for supplying power to the control device 23, the air exhaust device 24 and the control valve 253. In one embodiment, the power source 22 is a mobile power source, preferably a lithium battery. The power source 22, the control device 23 and the air extracting device 24 are located in the machine shell 21, the air extracting air outlet 242 of the air extracting device 24 is arranged on the machine shell 21, and the power source 22, the control device 23 and the air extracting device 24 are located in the machine shell 21. The control device 23 comprises a control circuit board 231 and an operation control board 232, and the operation control board 232, the air extractor 24 and the control valve 253 are electrically connected with the control circuit board 231. The power source 22 is a portable power source, and the operation control panel 232 is provided with a charging port 233 for charging the power source 22. The control panel can be operated to start the control program of the air extractor 24 and the control valve 253 which are pre-stored in the control circuit board 231.

In one embodiment, the operation panel 232 is a touch panel.

In an embodiment, referring to fig. 12, the operation control board 232 is provided with a power switch 2321, a working mode switching button 2322 and a plurality of working mode indicator lights 2323, the working mode switching button 2322 is pressed to switch different working modes, and the corresponding working mode indicator lights 2323 are turned on, and the soaking setting time duration corresponding to each working mode is different. The soaking time is the time for which the control valve 253 is continuously closed after the air extraction is stopped, so as to ensure the soaking of the liquid and the solid raw material in the brewing chamber 13, and the soaking time is different in different modes. The working modes comprise a milk tea brewing mode, a tea brewing mode and a coffee brewing mode, wherein the milk tea brewing mode has 20 seconds of soaking time each time, the tea brewing mode has 10 seconds of soaking time each time, and the coffee brewing mode has 0 second of soaking time each time, namely when the air pump stops pumping air, the control valve 253 is immediately opened. In addition, an enrichment button is arranged, and after the enrichment button is pressed, the soaking time in the mode is prolonged, for example, 10 seconds, namely, after the enrichment button is pressed in the milk tea brewing mode, the soaking time is 30 seconds each time.

Preferably, as shown in fig. 10, the main unit 2 further includes a main air pipe 26, the main air pipe 26 is disposed in the connector 211, and the air suction inlet 241 and the air return outlet 252 are communicated with the main air pipe 26 through a three-way joint. The air inlet of the air extracting device 24 and the air outlet of the air return pipe 25 are connected to the same pipe, and are connected with the brewing cavity 13 through only one pipe, so that the probability that liquid in the brewing cavity 13 enters the main machine 2 is further reduced, and meanwhile, through the arrangement, the number of holes in the main machine 2 is less, the appearance is more attractive, and meanwhile, when the lower end of the main machine 2 is immersed in clean water for cleaning, the air return pipe 25 can be cleaned by the way.

Other aspects of the portable brewer of the present invention are described in the prior art and will not be described in detail herein.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, so that any modification, equivalent change and modification made to the above embodiment according to the technical spirit of the present invention are within the scope of the technical solution of the present invention.

Claims

1. A portable brewer, comprising:

a conduit having one end sealingly connected to the second opening;

2. The portable brewer of claim 1, wherein: the lower surface of the brewing box is provided with a plurality of convex edges, when the brewing box is used for brewing beverage, the brewing box is arranged at the upper end opening of the container, the convex edges are abutted against the opening of the container, a ventilation gap is formed between every two adjacent convex edges, and the inside of the container is communicated with the atmosphere through the ventilation gap.

3. The portable brewer of claim 1, wherein: the lower extreme of infusing the box is the bucket form, first filter is also the bucket form.

4. The portable brewer of claim 3, wherein: a plurality of limiting convex ribs are arranged between the lower surface of the first filtering piece and the bucket-shaped inner wall of the brewing box, and liquid passing gaps are formed between adjacent limiting convex ribs.

5. The portable brewer of claim 4, wherein: the limiting convex rib is arranged on the lower surface of the first filtering piece or on the bucket-shaped inner wall of the brewing box.

6. The portable brewer of claim 3, wherein: the first filter element is screwed with the brewing box.

7. The portable brewer of claim 6, wherein: the inner wall of the brewing box is provided with a screwing groove position, and the outer edge of the first filtering piece is provided with a plurality of lugs which can be screwed and fixed with the screwing groove position.

8. The portable brewer of claim 6, wherein: the first filter element is also provided with a horizontally arranged screwing handle position.

9. The portable brewer of claim 1, wherein: the host computer still includes the casing, the casing be equipped with the connector of the detachable sealing connection of first opening, air exhaust device's the air inlet of bleeding, the return air gas outlet of muffler is located the connector.

10. The portable brewer of claim 9, wherein: the connector protrusion sets up on the casing, the brewing box be equipped with by the connection cooperation head of first opening internal extension, the connector with connection cooperation head threaded connection, the cover is equipped with first sealing washer on the connector.

11. The portable brewer of claim 10, wherein: the connecting matching head part extends into the brewing cavity, and the brewing cavity surrounds the connecting matching head to form a circle of liquid storage tank.

12. The portable brewer of claim 10, wherein: the brewing box is characterized by further comprising a second filtering piece, wherein the second filtering piece is detachably arranged in the brewing box and is positioned between the air suction inlet and the first filtering piece.

13. The portable brewer of claim 12, wherein: the second filter piece is connected with the connecting matching head in a buckling mode.

14. The portable brewer of claim 13, wherein: the second filters piece including filter house and buckle connecting portion, the outer fringe of filter house with the inner wall butt in bubble chamber, buckle connecting portion have the filter house upwards extends and is equipped with the clip, connect the cooperation head be equipped with the fixed bulge loop of clip cooperation.

15. The portable brewer of claim 14, wherein: the buckle connecting part is arranged below the first opening and provided with a pressing part.

16. The portable brewer of claim 14, wherein: the brewing cavity is internally provided with a circle of step limiting parts at the upper end of the filtering part.

17. The portable brewer of claim 9, wherein: the air exhaust outlet is arranged on the lower end face of the shell, after the connector is connected with the first opening, a gap is formed between the lower end face of the shell and the upper end face of the brewing box so as to communicate the air exhaust outlet with the atmosphere.

18. The portable brewer of claim 17, wherein: one of the lower end face of the shell or the upper end face of the brewing box is provided with a limiting bulge, and after the connector is connected with the first opening, the other of the lower end face of the shell or the upper end face of the brewing box is abutted against the limiting bulge.

19. The portable brewer of claim 9, wherein: the casing includes epitheca and inferior valve, the sealed setting of junction of epitheca and inferior valve, the connector is located the inferior valve, the gas outlet of bleeding is located the inferior valve.

20. The portable brewer of claim 19, wherein: the cavity that forms after epitheca and inferior valve are connected communicates with the atmosphere, the return air inlet is located in the cavity.

21. The portable brewer of claim 1, wherein: the air extraction device is set to start air extraction and stop air extraction after the air extraction device continues to extract air for a preset time; the position of the air suction inlet is higher than the highest liquid level of the liquid entering the brewing cavity within the preset time length.

22. The portable brewer of claim 1, wherein: the lower end of the guide pipe is plugged, and a plurality of through holes are formed in the side wall of the lower end of the guide pipe.

23. The portable brewer of claim 1, wherein: and the sealing sleeve envelops and seals the lower end of the guide pipe.

24. The portable brewer of any one of claims 1-23, wherein: the brewing box comprises a first box part and a second box part which is detachably and hermetically connected with the first box part, the first box part and the second box part are hermetically connected and then internally form the brewing cavity, the first opening is arranged in the first box part, the second opening is arranged in the second box part, and the second box part is integrally connected with the guide pipe.

25. The portable brewer of claim 24, wherein: the first box part is in threaded connection with the second box part, and a second sealing ring is further arranged between the first box part and the second box part.

26. The portable brewer of any one of claims 1-23, wherein: the air exhaust device is characterized by further comprising a power supply and a control device, the control device is electrically connected with the air exhaust device and the control valve, and the power supply is used for supplying power to the control device, the air exhaust device and the control valve.

27. The portable brewer of claim 26, wherein: the control device comprises a control circuit board and an operation control board, and the operation control board, the air exhaust device and the control valve are electrically connected with the control circuit board.

28. The portable brewer of claim 27, wherein: the power is portable power source, the operation control panel is equipped with and is used for giving the mouth that charges that the power charges.

29. The portable brewer of claim 27, wherein: the operation control panel is a touch panel.

30. The portable brewer of claim 27, wherein: the operation control panel is provided with a power switch, a working mode switching button and a plurality of working mode indicating lamps, the working mode switching button is pressed to switch different working modes, the corresponding working mode indicating lamps are lightened, and the soaking set duration corresponding to each working mode is different.

31. The portable brewer of any one of claims 1-23, wherein: the host computer still includes the total trachea, the total trachea sets up in the connector, bleed air inlet the return air gas outlet of muffler pass through three way connection with the total trachea intercommunication.