WO2020211414A1

WO2020211414A1 - Siphon coffee machine

Info

Publication number: WO2020211414A1
Application number: PCT/CN2019/126201
Authority: WO
Inventors: 周义允
Original assignee: 厦门优尔智能科技股份有限公司
Priority date: 2019-04-15
Filing date: 2019-12-18
Publication date: 2020-10-22
Also published as: KR20220000054U; JP3236922U

Abstract

Disclosed is a siphon coffee machine, comprising a base (1), a coffee cup (2), a cup lid (3), a filter (4) for accommodating ground coffee, a filter lid (5) and a liquid guide pipe (6). An outer wall of the filter (4) can be in sealed contact with an inner wall of the coffee cup (2), so that the interior of the coffee cup (2) is divided into an upper liquid cavity (21) and a lower liquid cavity (22); a plurality of meshes (100) are provided in the part, located in the upper liquid cavity (21), of the filter (4) and/or the filter lid (5); and an upper end port (61) of the liquid guide pipe (6) communicates with the filter (4), and a lower end port (62) of the liquid guide pipe extends downwards to be close to a bottom face of the lower liquid cavity (22). The siphon coffee machine further comprises a heating device (7) for heating liquid in the lower liquid cavity (22). After water in the coffee cup (2) is boiled, the water in the lower liquid cavity (22) can flow into the filter (4), via the liquid guide pipe (6), under the action of a pressure difference to be mixed with ground coffee, and then passes through the meshes (100) to enter the upper liquid cavity (21); the water in the lower liquid cavity (22) keeps boiling, such that the water in the upper liquid cavity (21) can stay in the upper liquid cavity (21) without falling down; and after the coffee is brewed, a coffee liquid in the upper liquid cavity (21) falls into the lower liquid cavity (22) again after heating is stopped, and brewing is thus completed.

Description

A siphon coffee machine

Technical field

The utility model relates to the field of small household appliances, in particular to a siphon coffee machine.

Background technique

The principle of the siphon coffee machine is to use water to heat up to produce water vapor, which causes the principle of thermal expansion and contraction, thereby pushing the water from bottom to top.

The traditional siphon coffee machine is composed of two separate cups. The upper cup is filled with coffee powder, the lower cup is filled with water, and the lower cup is heated, so that the boiling water flows upward into the upper cup for coffee. The brewing method is complicated in structure and cumbersome to operate, and cannot adapt to the fast-paced life of modern people, and it is to soak coffee, which is difficult to release the aroma of coffee.

technical problem

The utility model provides a siphon coffee machine, the main purpose of which is to overcome the defects of the traditional coffee machine such as complicated structure and troublesome operation

Technical solutions

In order to solve the above technical problems, the utility model adopts the following technical solutions

A siphon coffee machine includes a base, a coffee cup detachably installed on the upper side of the base, and a cup cover provided on the opening of the coffee cup, and also includes a filter screen and a lock for holding coffee powder Close the filter cover and the catheter connected to the opening of the filter; the outer wall of the filter can be in sealing contact with the inner wall of the coffee cup, thereby separating the inside of the coffee cup into an upper liquid cavity and a lower liquid cavity; The filter screen is located in the upper liquid chamber and/or the filter screen cover is provided with a plurality of meshes; the upper port of the catheter is in communication with the filter screen, and the lower port extends downward to be close to the lower liquid chamber The bottom surface; also includes a heating device for heating the liquid in the lower liquid cavity; the liquid in the lower liquid cavity can pass through the catheter into the filter screen, and then pass through the plurality of The mesh enters the upper liquid cavity.

Further, the filter screen is connected to the filter screen cover in a sealed and locked manner, and the aperture of the mesh is smaller than the particle size of the coffee powder.

Further, the upper side of the filter cover is fixedly connected with the lower side of the cup cover through a connecting rod, and when the cover is arranged at the opening of the coffee cup, the outer wall of the filter screen can be connected to the coffee cup. The inner wall of the cup is in sealed contact.

Further, the coffee cup includes a cup body, a seat body and a heating plate, the seat body is installed on the lower side of the cup body, and the heating plate is sealed and embedded in the lower end of the cup body and can be connected to the lower end. The liquid in the liquid chamber is in contact.

Further, the cup body includes a first cup portion and a second cup portion that are distributed up and down and are inseparable, and the connection between the first cup portion and the second cup portion is integrally formed, sealed, welded, sealed, riveted, and sealed. One of the blocked connections.

Further, an upper coupler is installed on the lower side of the seat body, and a lower coupler matching the upper coupler is installed on the upper side of the base, so that the seat body and the base can be inserted into each other. The heating device is electrically connected with the upper coupler.

Further, the heating device includes an electric heating tube and NTC installed in the heating plate, and the NTC is sealed and embedded on the heating plate and extends upward into the lower liquid cavity.

Further, it also includes a handle and a cup strap assembly. The upper side of the handle is provided with an upper support column and the lower side is provided with a lower support column. The cup strap assembly is wound around the outside of the cup body, and the lower support The column is locked and fixedly connected with the seat body, and the upper support column is locked and fixedly connected with the cup strap assembly.

Further, the outer wall of the coffee cup is provided with a longitudinally arranged cup handle, the lower support column also laterally abuts the lower side of the cup handle, and the upper support column also laterally abuts the upper side of the cup handle.

Further, the cup strap assembly includes a hardware cup strap and a locking block, the locking block is sandwiched between the hardware cup strap and the cup body, and an upper transverse bolt located in the upper support column passes through in turn The upper supporting column and the hardware cup belt are threadedly connected with the locking block, and the upper supporting column is pressed against the cup handle.

Beneficial effect

Compared with the prior art, the beneficial effects of this utility model are:

The utility model has simple structure and strong practicability. After the coffee cup and the filter screen are arranged, after the water in the coffee cup is boiled, the water in the lower liquid cavity can flow into the filter screen and the coffee powder through the catheter due to the pressure difference. The coffee is extracted by mixing, and the extracted coffee liquid passes through the mesh to enter the upper liquid cavity; the water in the lower liquid cavity keeps boiling, and the water in the upper liquid cavity can be kept in the upper liquid cavity without falling; After the coffee is brewed and the heating is stopped, the coffee liquid in the upper liquid cavity will fall into the lower liquid cavity again due to the pressure difference, and the brewing is completed. Compared with the existing coffee machine, the utility model has only one coffee cup, the structure is simplified, the operation is more convenient, and because of the existence of the filter, it also has the function of extracting coffee aroma.

In the present invention, the filter cover and the cup cover are fixedly connected, which further simplifies the operation. The filter cover and the cup cover can be taken out at the same time in one step, and after removal, the filter cover and the cup cover can be turned upside down as a whole Place it on the table to prevent it from rolling.

In the present utility model, the purpose of setting the handle is to facilitate the user to take and place the coffee cup, and the purpose of setting the cup handle is to provide a buffering effect, avoiding the upper support column and the lower support column from directly exerting force on the coffee cup, thereby improving the coffee cup Life.

Description of the drawings

Figure 1 is a schematic diagram of the structure of the utility model.

Fig. 2 is a schematic diagram of the split structure of Fig. 1.

Figure 3 is a cross-sectional view of Figure 1.

4 is a schematic diagram of the structure of the filter screen and the filter screen cover in the utility model when they are separated.

Figure 5 is a schematic diagram of the present invention when the cup strap assembly is wound around the outside of the coffee cup.

The best mode of the invention

The specific embodiments of the present invention will be described below with reference to the drawings.

Refer to Figure 1, Figure 2, Figure 3, Figure 4 and Figure 5. A siphon coffee machine includes a base 1, a coffee cup detachably mounted on the upper side of the base 1, a cup cover 3 that is arranged at the opening of the coffee cup 2, and a filter for holding coffee powder The net 4, the filter cover 5 and the catheter 6 that are locked and connected to the upper opening of the filter 4; the outer wall of the filter 4 can be in sealed contact with the inner wall of the coffee cup 2, thereby dividing the inside of the coffee cup 2 into the upper liquid cavity 21 And the lower liquid chamber 22; the filter screen 4 is located in the upper liquid chamber 21 and/or the filter cover 5 is provided with a plurality of meshes 100; the upper port 61 of the catheter is in communication with the filter screen 4, and the lower port 62 extends downward to It is close to the bottom surface of the lower liquid chamber 22; it also includes a heating device 7 for heating the liquid in the lower liquid chamber 22; the liquid in the lower liquid chamber 22 can pass through the catheter 6 into the filter screen 4, and then pass through a plurality of The mesh 100 enters the upper liquid chamber 21. By setting the coffee cup 2 and the filter screen 4, after the water in the coffee cup 2 is boiled, the water in the lower liquid cavity 22 can flow into the filter screen 4 through the catheter 6 and mix with the coffee powder due to the effect of the pressure difference. The extracted coffee liquid passes through the mesh 100 and enters the upper liquid cavity 21; the water in the lower liquid cavity 22 keeps boiling, and the water in the upper liquid cavity 21 can be kept in the upper liquid cavity without falling; After the coffee is brewed and the heating is stopped, due to the pressure difference, the coffee liquid in the upper liquid cavity 21 will pass through the mesh 100 into the filter 4, and then fall along the catheter 6 into the lower liquid cavity 22 again. Inside, the brewing is complete. Compared with the existing coffee machine, the utility model has only one coffee cup, the structure is simplified, the operation is more convenient, and because of the existence of the filter, it also has the function of extracting coffee aroma.

The distance between the lower port 62 of the catheter and the bottom surface of the lower liquid cavity 22 can be designed in a corresponding proportion according to the specific shape and size of the coffee cup, so that the water in the lower liquid cavity can enter the catheter 6 without making the lower liquid cavity. The last remaining water in the liquid chamber is too much. The ratio design of the upper liquid cavity 21 and the lower liquid cavity 22 is also designed according to the specific shape and size of the coffee cup and the distance between the lower port 62 of the catheter and the bottom surface of the lower liquid cavity 22. The lower liquid cavity can flow guide The water volume of the liquid pipe needs to be less than the volume of the upper liquid chamber to avoid overflow of the liquid in the upper liquid chamber. In the specific design, a scale can be marked on the coffee to guide users.

Refer to Figure 1, Figure 2, Figure 3, Figure 4 and Figure 5. The filter screen 4 and the filter screen cover 5 are connected in a sealed and locked manner, and the aperture of the mesh 100 is smaller than the particle size of the coffee powder, so that the mesh 100 can only pass water and cannot pass the coffee powder, so that hot water flows inside the filter 4 At the same time, the coffee powder has a certain degree of scouring and extraction, which provides a better solution for continuous coffee brewing and cup body cleaning.

Refer to Figure 1, Figure 2, Figure 3, Figure 4 and Figure 5. The upper side of the filter cover 5 is fixedly connected to the lower side of the cup cover 3 through a connecting rod 51. When the cover 3 is placed on the opening of the coffee cup 2, the outer wall of the filter screen 4 can be in sealed contact with the inner wall of the coffee cup 2. By setting the filter cover 5 and the cup cover 3 to be fixedly connected, the operation is further simplified. The filter cover 5 and the cup cover 3 can be taken out at the same time in one step, and after removal, the filter cover 5 and the cup cover 3 can be turned upside down as a whole Place it on the table to prevent it from rolling. Specifically, the filter screen cover 5, the connecting rod 51, and the cup cover 3 can be integrally formed, or the filter screen cover 5 and the connecting rod 51 can be integrally formed, and then the connecting rod 51 and the cup cover 3 can pass through The fixed connection is completed by means of positive fit. As for the locking connection between the filter cover 5 and the filter 4, a hook or thread connection can be used.

Refer to Figure 1, Figure 2, Figure 3, Figure 4 and Figure 5. The coffee cup 2 is in the shape of an hourglass, that is, the coffee cup 2 is in a shape with a wide inner ring at the upper and lower ends and a narrow inner ring at the middle. Specifically, the coffee cup 2 includes a cup body 23, a seat body 24, and a heating plate 25. The seat body 24 is installed on the lower side of the cup body 23. The heating plate 25 is sealed and embedded in the lower end of the cup body 23 and can be connected to the lower liquid cavity 22. In this embodiment, a sealing ring can be provided on the outer wall of the filter screen 4 so as to be in sealed contact with the inner wall of the coffee cup 2, and a sealing and heat-insulating silica gel can also be provided between the heating plate 25 and the cup body 23 to achieve sealing. In order to improve the overall aesthetics of the coffee cup, a metal decorative ring 241 may be wound around the outer ring side of the seat body 24.

Wherein, the cup body 23 may include a first cup portion and a second cup portion which are distributed up and down and are inseparable. The connection between the first cup portion and the second cup portion is integrally formed, sealed welding, sealed riveting, and sealed lock. A kind of joint connection. The first cup part and the second cup part are inseparable during use. Of course, it is not limited to the cup body 23 being composed of only the first cup part and the second cup part, and a third cup part, a fourth cup part, etc. can also be provided, and the cup parts are integrally formed, sealed and welded to each other. Connection methods such as sealed riveting and sealed lock connection.

Refer to Figure 1, Figure 2, Figure 3, Figure 4 and Figure 5. An upper coupler 26 is installed on the lower side of the base body 24, and a lower coupler 11 matching the upper coupler 26 is installed on the upper side of the base 1, so that the base 24 and the base 1 can be mated, and the heating device 7 is coupled with the upper The device 26 is electrically connected. After the upper coupler 26 and the lower coupler 11 are connected to each other, the user can operate the coffee machine through the control panel 12 provided on the base 1, and the control panel 12 controls the heating device through the control module in the base 1. Specifically, the control panel 12 may include: a power switch 121, a power switch lamp 122, a heat preservation button 123, a heat preservation indicator 124, and a display screen 125; pressing the power switch 121 can control the heating of the water in the coffee cup, and pressing The heat preservation button 123 can control the heat preservation of the liquid coffee brewed in the coffee cup, and the display screen 125 is used to display the water temperature in real time; as for the control connection mode of the control panel 12 and the control module, it is an existing conventional technical means, not this solution The invention points of, will not be repeated here.

Refer to Figure 1, Figure 2, Figure 3, Figure 4 and Figure 5. The heating device 7 includes an electric heating tube 71 installed in the heating plate 25 and an NTC 72. The NTC is sealed and embedded on the heating plate 25 and extends upward into the lower liquid cavity 22. NTC is a thermistor whose resistance value decreases rapidly as the temperature rises. It is used in the utility model to sense the temperature of the liquid in the lower liquid chamber in real time to achieve precise temperature control.

Refer to Figure 1, Figure 2, Figure 3, Figure 4 and Figure 5. It also includes a handle 8 and a cup strap assembly 9. The upper side of the handle 8 is provided with an upper support column 81, and the lower side is provided with a lower support column 82. The cup strap assembly 9 is wound around the cup body 23. The lower support column 82 and the seat The body 24 is locked and fixedly connected, and the upper support column 81 is locked and fixedly connected with the cup strap assembly 9. The purpose of the handle provided in the utility model is to facilitate the user to take and place the coffee cup.

Refer to Figure 1, Figure 2, Figure 3, Figure 4 and Figure 5. The outer side wall of the coffee cup 2 is provided with a longitudinally arranged cup handle 83, the lower support column 82 also laterally abuts the lower side of the cup handle 83, and the upper support column 81 also laterally abuts the upper side of the cup handle 83. The purpose of the cup handle 83 of the present invention is to provide a buffering effect, to prevent the upper support column 81 and the lower support column 82 from directly exerting force on the coffee cup 2 and improve the service life of the coffee cup. Specifically, the upper support column 81 and the lower support column 82 are both arranged horizontally, and are connected to the cup handle 83 by bolts respectively.

Refer to Figure 1, Figure 2, Figure 3, Figure 4 and Figure 5. The seat body 24 is provided with an internally threaded seat 242 passing through the cup handle 83, a lower transverse bolt 84 located in the lower support column 82 passes through the lower support column 82 and is threadedly connected to the internal thread seat 242, and connects the lower support column 82 is pressed to the cup handle 83. Specifically, when the lower transverse bolt 84 is threaded into the internal threaded seat 242, the head of the lower transverse bolt 84 can abut the lower support column 82, thereby pressing the lower support column 82 against the cup handle 83 to complete the fixation.

Refer to Figure 1, Figure 2, Figure 3, Figure 4 and Figure 5. The cup strap assembly 9 includes a hardware cup strap 91 and a lock block 92. The lock block 92 is sandwiched between the hardware cup strap 91 and the cup body 23. An upper transverse bolt 85 located in the upper support column 81 passes through the upper The supporting column 81 and the hardware cup belt 91 are then threadedly connected with the locking block 92, and the upper supporting column 81 is pressed against the cup handle 83. Specifically, when the upper transverse bolt 85 is threaded into the locking block 92, the head of the upper transverse bolt 85 can abut the upper support column 81, thereby pressing the upper support column 81 against the cup handle 83 to complete the fixing; 91 and the cup body 23 are embedded in the outer ring side of the cup body 23, and the hardware cup belt 91 is superimposed on the locking block 92, and covers the locking block 92 to prevent the locking block 92 from rotating. The transverse bolt 85 passes through the superimposed hardware cup belt 91 and is threadedly connected with the locking block 92, so that both the hardware cup belt 91 and the locking block 92 can be kept fixed. In addition, a slot can be respectively opened on the upper and lower sides of the cup handle 83 for the upper support column 81 and the lower support column 82 to insert, thereby further improving the stability and aesthetics of the device.

Refer to Figure 1, Figure 2, Figure 3, Figure 4 and Figure 5. The method of using the utility model is:

1. Remove the lid 3 on the coffee cup 2 and unlock the lock between the lid 3 and the filter cover 5; put coffee powder into the filter 4, and reattach the lid 3 to the filter The cover 5 is locked together;

2. Install the coffee cup 2 on the upper side of the base 1 to complete the power, and then pour a predetermined amount of water into the coffee cup; then re-cover the cup lid 3 on the coffee cup 2, and at this time, the outer wall of the filter 4 and The inner wall of coffee cup 2 is in sealed contact;

3. Start the heating device 7 to heat the water in the lower liquid chamber 22. After the water in the lower liquid chamber 22 boils, under the action of the pressure difference, it passes through the catheter 6 and enters the filter screen 4 for coffee extraction. The extracted coffee liquid passes through a plurality of meshes 100 to enter the upper liquid cavity 21, and remains in the upper liquid cavity 21 during the boiling process, and enters the coffee brewing state;

4. After coffee brewing is completed, the heating device 7 is turned off, the coffee liquid in the upper liquid cavity 21 gradually flows into the lower liquid cavity 22, and the coffee brewing is completed.

In specific implementation, first press the power switch 121 on the base 1, the display screen 125 starts to display the temperature of the liquid in the lower liquid chamber 22 in real time, the electric heating tube 71 starts to work, and the water in the lower liquid chamber 22 is performed through the heating plate 25. After the preset heating time is reached, the electric heating pipe 71 automatically stops working, so that the coffee liquid in the upper liquid chamber 21 gradually flows into the lower liquid chamber 22; in addition, after pressing the power switch 121, you can also press the heat preservation button 123 , So that after the preset heating time is reached, the coffee machine enters the heat preservation mode, and the coffee machine automatically shuts down after the preset heat preservation time is reached.

The above are only specific implementations of the present utility model, but the design concept of the present utility model is not limited to this. Any non-substantial modification of the present utility model using this concept should be an act that violates the protection scope of the present utility model.

To

Claims

A siphon coffee machine, comprising a base, a coffee cup detachably installed on the upper side of the base, and a cup cover arranged at the opening of the coffee cup, and is characterized in that it also includes a coffee powder The filter screen, the filter screen cover that is locked and connected to the opening of the filter screen, and the catheter; the outer wall of the filter screen can be in sealing contact with the inner wall of the coffee cup, thereby separating the inside of the coffee cup into an upper liquid cavity and a lower liquid chamber. The liquid chamber; the filter screen is located in the upper liquid chamber and/or the filter screen cover is provided with a plurality of meshes; the upper port of the catheter is in communication with the filter screen, and the lower port extends downward to be close to the The bottom surface of the lower liquid cavity; further comprising a heating device for heating the liquid in the lower liquid cavity; the liquid in the lower liquid cavity can pass through the catheter into the filter screen, and then pass through The plurality of meshes enter the upper liquid cavity.
The siphon coffee machine according to claim 1, wherein the filter screen is connected to the filter screen cover in a sealed and locked manner, and the aperture of the mesh is smaller than the particle size of the coffee powder.
The siphon coffee machine according to claim 1, wherein the upper side of the filter cover is fixedly connected with the lower side of the cup cover through a connecting rod, and the cup cover is arranged on the coffee cup When opening, the outer wall of the filter screen can be in sealing contact with the inner wall of the coffee cup.
The siphon coffee machine according to claim 1, wherein the coffee cup includes a cup body, a seat body and a heating plate, the seat body is installed on the lower side of the cup body, and the heating plate is sealed It is embedded in the lower end of the cup body and can be in contact with the liquid in the lower liquid cavity.
The siphon coffee machine according to claim 4, wherein the cup body includes a first cup part and a second cup part which are distributed up and down and are inseparable, and the first cup part and the second cup part The connection between the two is one of integral molding, sealing welding, sealing riveting, and sealing locking connection.
The siphon coffee machine according to claim 4, characterized in that: an upper coupler is installed on the lower side of the base body, and a lower coupler matching the upper coupler is installed on the upper side of the base , So that the seat body and the base can be mated, and the heating device is electrically connected with the upper coupler.
The siphon coffee machine according to claim 6, wherein the heating device comprises an electric heating tube and NTC installed in the heating plate, and the NTC is sealed and embedded on the heating plate, and Extend upwards into the lower liquid cavity.
The siphon coffee machine according to claim 4, further comprising a handle and a cup strap assembly, the upper side of the handle is provided with an upper support column, and the lower side is provided with a lower support column, the cup belt The assembly is arranged around the outside of the cup body, the lower support column is locked and fixedly connected with the base body, and the upper support column is locked and fixedly connected with the cup strap assembly.
The siphon coffee machine according to claim 8, wherein a longitudinally arranged cup handle is provided on the outer side wall of the coffee cup, and the lower support column also laterally interferes with the lower side of the cup handle, and the upper The support column also laterally conflicts with the upper side of the cup handle.
9. The siphon coffee machine according to claim 9, wherein the cup strap assembly comprises a hardware cup strap and a locking block, and the locking block is sandwiched between the hardware cup strap and the cup body, An upper horizontal bolt located in the upper support column passes through the upper support column and the hardware cup belt in order, and then is threadedly connected with the locking block, and presses the upper support column to the cup handle.