Time-Controllable Extraction Device

Abstract

To provide a time-controllable extraction device.SOLUTION: A time-controllable extraction device comprises a filtering component 3 and a driving component, the filtering component comprises an outer cup component and a filtering cup component, the filtering cup component is arranged in the outer cup component in a sleeved mode, a liquid outlet is formed in the bottom of the filtering cup component, a sealing component and a driving component driving the sealing component to open are arranged at the bottom of the liquid outlet. The bottom of the outer cup component is provided with an installation opening for containing the liquid outlet, the installation opening is provided with a connecting rod, a fulcrum of the connecting rod is arranged on the installation opening, and the two sides of the connecting rod abut against the sealing component and the driving component respectively.SELECTED DRAWING: Figure 1

Description

Technical Field

[0001] The present invention relates to the technical field of coffee machines, and particularly to an extraction device with time control.

Background Art

[0002] Drinks such as tea and coffee have already become an indispensable part of life. There are two extraction methods: one using cold water and the other using hot water. However, the required time is quite different, and it is based on experience to grasp the approximate time, resulting in variations in taste. Patent Document 1 discloses a coffee machine that performs sufficient extraction. A one-way valve 1 is provided in the liquid passage of the funnel for brewing coffee, and the one-way valve 1 realizes the opening and closing of the liquid passage by driving an electromagnetic valve.

[0003] The above technical solution can effectively solve the problem that the extraction time is uncertain, but there are the following problems. (1) The fulcrum of the connecting rod is installed on the main body and is far from the liquid passage. Therefore, to open and close the liquid passage, the electromagnetic valve needs to drive the connecting rod with a large force, and the electromagnetic valve is easily damaged. (2) The funnel cannot be removed, which is inconvenient for cleaning.

Prior Art Documents

Patent Documents

[0004]

Patent Document 1

Summary of the Invention

Problems to be Solved by the Invention

[0005] In order to overcome the problems existing in the conventional coffee machine, such as the large force on the electromagnetic valve and easy damage, and the inability to remove the funnel, the present invention provides an extraction device with time control.

[0006] The technical solution of the present invention is as follows. An extraction device with controllable time, including a filtration component and a driving component, The filtration component includes an external cup component and a filtration cup component, The filtration cup component is covered inside the external cup component. A liquid outlet is provided at the bottom of the filtration cup component. At the bottom of the liquid outlet, a sealing component and a driving component for driving the sealing component to open are provided. In this sealing structure, when there is no external force, the filtration cup component is in a sealed state, and when an external force is applied to the bottom of the sealing structure, the sealing structure can be opened.

[0007] An installation port for arranging a liquid outlet is provided at the bottom of the external cup component. A connecting rod is installed in the installation port. The fulcrum of the connecting rod is provided in the installation port. Both sides of the connecting rod are respectively in contact with the sealing component and the driving component.

[0008] The present invention adopting the above technical solution is characterized in that the sealing component includes a water stop ball and a soft rubber sealing ring, or the sealing component includes a soft rubber sealing ring and a plastic rib sealing structure.

[0009] The present invention adopting the above technical solution is characterized in that the driving component includes a solenoid valve and a connector. The solenoid valve drives the connector to reciprocate, and the connector is in contact with one side of the connecting rod.

[0010] The present invention adopting the above technical solution is characterized in that the extraction device with controllable time further includes a main body, a motor and a first gear, A receiving base is provided at the central part of the main body. The filtration component is arranged on the receiving base, and the driving component is installed inside the main body. The motor and the first gear are mounted in the main body, and the motor provides power to the first gear.

[0011] The present invention adopting the above technical solution is characterized in that a second gear is fixedly provided on the outer surface of the filter cup component, the first gear is meshed and connected with the second gear, and the first gear rotates the filter cup component through the second gear.

[0012] According to the present invention adopting the above technical solution, the filter cup component further includes a filter paper and a stirring rod, the filter paper is covered in the filter cup component, and the stirring rod is in close contact with the inner surface of the filter paper.

[0013] The present invention adopting the above technical solution is characterized in that a positioning groove is provided at the upper part of the outer cup component, and one end of the stirring rod is inserted into the positioning groove.

[0014] Furthermore, a control panel is provided on the main body, and the control panel is electrically connected to the solenoid valve and the motor respectively.

[0015] Furthermore, a male thread is provided on the outer wall of the soft rubber sealing ring, a female thread is provided on the inner wall of the liquid outlet, and the soft rubber sealing ring and the liquid outlet are screwed together.

[0016] A position limiting portion for preventing the soft rubber sealing ring from falling is provided at the bottom of the liquid outlet.

[0017] Furthermore, the connector includes a large head portion, a small head portion and a connecting portion. The large head portion abuts against the solenoid valve, the small head portion abuts against the connecting rod, the connecting portion connects the large head portion and the small head portion, the diameter of the large head portion is larger than the diameter of the small head portion, and the diameter of the connecting portion gradually increases from the small head portion to the large head portion until it is the same as the diameter of the large head portion.

[0018] Furthermore, an inward skirt is provided on one side of the soft rubber seal ring away from the bottom of the liquid outlet, and the diameter of the water stop ball is the same as the diameter of the inner wall of the soft rubber seal ring.

Advantages of the Invention

[0019] The beneficial effects of the present invention adopting the above technical solutions are as follows. (1) The fulcrum of the connecting rod is installed on the external cup component. Compared with the prior art of installing it on the main body of the coffee machine, the fulcrum of the connecting rod installed on the external cup component enables the solenoid valve to push up the water stop ball with a small force, resulting in less damage to the solenoid valve. (2) Since the external cup component is separated from the filter cup component, the filter cup component can be taken out, facilitating the cleaning of the residual coffee liquid in the filter cup component. (3) The water stop ball is installed in the filter cup component. As the coffee liquid in the filter cup component increases, the downward pressure increases, pressing the water stop ball further against the soft rubber seal ring, thus enhancing the water stop effect.

Brief Description of the Drawings

[0020]

Figure 1

Figure 2

Figure 3

Figure 4

Embodiments for Carrying Out the Invention

[0021] Hereinafter, the present invention will be further described in conjunction with the drawings and embodiments.

[0022] As shown in FIGS. 1 to 4, a time - controllable extraction device includes a main body 1, a filtration component 3, and a driving component 2. A receiving base 11 is provided at the central part of the main body 1. The filtration component 3 is arranged on the receiving base 11, and the driving component 2 is installed inside the main body 1.

[0023] The filtration component 3 includes an external cup component 34 and a filtration cup component 33. The filtration cup component 33 is covered inside the external cup component 34. A liquid outlet 331 is provided at the bottom of the filtration cup component 33. A soft - rubber sealing ring 332 is provided at the bottom of the liquid outlet 331. A water - stop ball 333 is arranged above the soft - rubber sealing ring 332. The water - stop ball 333 is in direct contact with the soft - rubber sealing ring 332. Under the condition of no external force, the water - stop ball 333 falls onto the upper part of the soft - rubber sealing ring 332 by its own weight and presses the sealing ring 333 to achieve a water - stop effect.

[0024] An attachment port 341 for arranging the liquid outlet 331 is provided at the bottom of the external cup component 34. A connecting rod 342 is attached to the attachment port 341. The fulcrum of the connecting rod 342 is provided at the attachment port 341. Both sides of the connecting rod 342 are in contact with the water - stop ball 333 and the driving component 2 respectively. The connecting rod 342 is in contact with the lower end of the driving component 2 and the bottom of the water - stop ball 333. The connecting rod 342 utilizes the lever principle to supply the force for the driving component 2 to push down the connecting rod 342 during operation. When the force supplied from the driving component 2 pushes down one side of the connecting rod 342, the other side of the connecting rod 342 moves upward, moving the water - stop ball 333 upward. The water - stop ball 333 separates from the rubber sealing ring 332 and is in an open state.

[0025] The driving component 2 includes a solenoid valve 22 and a connector 21. The solenoid valve 22 drives the connector 21 to reciprocate, and the connector 21 abuts on one side of the connecting rod 342. The operation method of the solenoid valve 22 is to drive the connector 21 to reciprocate when energized and de-energized.

[0026] When in use, under the condition of no external force, the water stop ball 333 falls on the upper part of the soft rubber sealing ring 332 by its own weight and presses the sealing ring 333 to achieve the water stop effect. When the solenoid valve 23 is powered on, the connector 21 is driven to reciprocate. When the connector 21 moves forward, a downward force is applied to one side of the connector 342. Since the fulcrum of the connector 342 is installed on the external cup connector 34, the other side of the connector 342 moves upward, pushing up the water stop ball 333, and the water stop ball 333 separates from the soft rubber sealing ring 332 and is in an open state.

[0027] The fulcrum of the connecting rod 342 in this embodiment is installed on the external cup component 34. Compared with the prior art installed on the main body of the coffee machine, due to the fulcrum of the connecting rod 342 installed on the external cup component 34, the solenoid valve 22 can push up the water stop ball 333 with a small force, and the damage to the solenoid valve 22 is small.

[0028] Since the external cup component 34 in this embodiment is separated from the filter cup component 33, the filter cup component 33 can be taken out, which is convenient for cleaning the residual coffee liquid in the filter cup component.

[0029] The water stop ball 333 in this embodiment is installed in the filter cup component 33. As the coffee liquid in the filter cup component 33 increases, the downward pressure increases, and further presses the water stop ball 333 against the soft rubber sealing ring 332, so the water stop effect is higher.

[0030] In an alternative embodiment, the time-controllable extraction device further includes a motor 4 and a first gear 5, the motor 4 and the first gear 5 are attached to the main body 1, the motor 4 provides power to the first gear 5, and the motor 4 rotates the first gear 5 via a rotating shaft.

[0031] In the above embodiment, a second gear 334 is fixedly installed on the outer surface of the filter cup component 33, the first gear 5 meshes with and is connected to the second gear 334, and the first gear 5 rotates the filter cup component 33 via the second gear 334. When the filter cup component 33 rotates, the water stop ball 333 is installed inside the filter cup component, and the water stop ball 333 can still seal the liquid outlet 331.

[0032] In the above embodiment, the filter cup component 3 further includes a filter paper 32 and a stirring rod 31. The filter paper 32 is covered inside the filter cup component 33, the stirring rod 31 is in close contact with the inner surface of the filter paper 32. The filter paper 32 contains the ground coffee powder, filters the extracted coffee liquid into the cup, and the filter paper 32 can also filter the coffee oil to obtain a clean coffee solution. Furthermore, since the filter paper 32 can filter impurities, the taste of the coffee is richer and more fragrant. The stirring rod 31 is used to stir the coffee powder inside the filter paper 32.

[0033] In the above embodiment, a positioning groove (not shown in the figure) is provided at the upper part of the outer cup component 34, and one end of the stirring rod 31 is inserted into the positioning groove for fixing the stirring rod 31. Thereby, when the filter cup component 33 rotates, the stirring rod 31 remains stationary. When the filter cup component 33 rotates, the stirring rod 31 does not move, and the filter cup component 33 rotates the stirring rod 31 to stir the coffee powder inside the filter paper 32. Thereby, the ground coffee powder inside the filter paper 32 is sufficiently stirred, and the stirred coffee powder is fully and quickly mixed with hot water, so that the caffeine and volatile substances in the coffee powder are completely precipitated, the coffee is stronger and more fragrant, and the quality of the finished coffee liquid is higher.

[0034] In an alternative embodiment, the main body 1 is provided with a panel (not shown in the figure), and the control panel is electrically connected to the solenoid valve 22 and the motor 4 respectively. The control panel can set different programs and accurately control the opening and closing of the solenoid valve 22 and the motor 4. By controlling the opening and closing of the solenoid valve 22, the extraction time can be accurately controlled, and by controlling the opening and closing of the motor 4, the coffee powder can be fully stirred.

[0035] In an alternative embodiment, an external thread is provided on the outer wall of the soft rubber sealing ring 332, an internal thread is provided on the inner wall of the liquid outlet 331, and the soft rubber sealing ring 332 and the liquid outlet 331 are threadedly joined. The purpose of installing in this way is to ensure the adhesion between the soft rubber sealing ring 332 and the liquid outlet 331 by the threaded joining of the external thread and the internal thread.

[0036] In a preferred embodiment, a position limiting part (not shown in the figure) for preventing the soft rubber sealing ring 332 from falling is provided at the bottom of the liquid outlet 331. The purpose of installing in this way is to prevent the soft rubber sealing ring 332 from falling through the position limiting part installed at the bottom.

[0037] In an alternative embodiment, the connector 21 includes a large head part 211, a small head part 213 and a connecting part 212. The large head part 211 is connected to the solenoid valve 22, the small head part 213 abuts against the connecting rod 342, the connecting part 212 connects the large head part 211 and the small head part 213, the diameter of the large head part 211 is larger than the diameter of the small head part 213, and the diameter of the connecting part 212 gradually increases from the small head part 213 to the large head part 211 until it is the same as the diameter of the large head part 211. The connector 21 gradually increases and gradually pushes down the connecting rod 342, and the other side of the connecting rod 342 gradually pushes up the water stop ball 333.

[0038] In an alternative embodiment, an inward skirt 3322 is provided on one side of the liquid outlet 331 of the soft rubber sealing ring 332 away from the bottom, and the diameter of the water stop ball 333 is the same as the diameter of the inner wall of the soft rubber sealing ring 332.

[0039] Those skilled in the art should be able to make improvements or conversions according to the above description, and it should be understood that all these improvements and conversions fall within the scope of protection of the claims of the present invention.

[0040] As described above, the patent of the present invention has been exemplified with reference to the drawings. However, the implementation of the patent of the present invention is not limited to the above method. All improvements made using the concept and technical solution of the patent of the present invention, or directly applying the concept and technical solution of the patent of the present invention to other cases without making improvements, fall within the protection scope of the present invention.

Explanation of Reference Numerals

[0041] 1 Main body 11 Mounting base 2 Driving component 21 Connector 211 Large head part 212 Connection part 213 Small head part 22 Solenoid valve 3 Filtering component 31 Stirring rod 32 Filter paper 33 Filter cup component 331 Liquid outlet 332 Soft rubber sealing ring 3322 Skirt 333 Water stop ball 334 Second gear 34 External cup component 341 Mounting port 342 Connecting rod 4 Motor 5 First gear 6 Coffee pot

Claims

1. An extraction device capable of time control, comprising a filtration component and a driving component, wherein the filtration component includes an external cup component and a filtration cup component, the filtration cup component is covered within the external cup component, a liquid outlet is provided at the bottom of the filtration cup component, and a sealing component and a driving component for driving the sealing component to open are provided at the bottom of the liquid outlet, an attachment port for arranging the liquid outlet is provided at the bottom of the external cup component, a connecting rod is attached to the attachment port, the fulcrum of the connecting rod is provided at the attachment port, and both sides of the connecting rod are respectively in contact with the sealing component and the driving component, the extraction device capable of time control further includes a main body, a motor, and a first gear, a receiving base is provided at the central part of the main body, the filtration component is arranged on the receiving base, and the driving component is installed inside the main body, the motor and the first gear are installed inside the main body, and the motor provides power to the first gear, a second gear is fixedly installed on the outer surface of the filtration cup component, the first gear is meshed and connected with the second gear, and the first gear rotates the filtration cup component via the second gear, the filtration cup component further includes a filter paper and a stirring rod, the filter paper is covered within the filtration cup component, and the stirring rod is in close contact with the inner surface of the filter paper. The extraction device capable of time control is characterized by this.

2. The extraction device capable of time control according to Claim 1, wherein a positioning groove is provided at the upper part of the external cup component, and one end of the stirring rod is inserted into the positioning groove.

3. An extraction device capable of time control, comprising a filtration component and a driving component, wherein the filtration component includes an external cup component and a filtration cup component, the filtration cup component is covered within the external cup component, a liquid outlet is provided at the bottom of the filtration cup component, and a sealing component and a driving component for driving the sealing component to open are provided at the bottom of the liquid outlet, An attachment port for arranging a liquid outlet is provided at the bottom of the external cup component, a connecting rod is attached to the attachment port, and a fulcrum of the connecting rod is provided at the attachment port, both sides of the connecting rod are respectively in contact with the sealing component and the driving component, and the driving component includes a solenoid valve and a connector. The solenoid valve drives the connector to reciprocate, and the connector is in contact with one side of the connecting rod. The connector includes a large head portion, a small head portion, and a connecting portion. The large head portion is in contact with the solenoid valve, the small head portion is in contact with the connecting rod, the connecting portion connects the large head portion and the small head portion, the diameter of the large head portion is larger than the diameter of the small head portion, and the diameter of the connecting portion gradually increases from the small head portion to the large head portion until it is the same as the diameter of the large head portion. The extraction device with controllable time is characterized by this.

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