WO2017016111A1

WO2017016111A1 - Bean grinding type coffee machine

Info

Publication number: WO2017016111A1
Application number: PCT/CN2015/095440
Authority: WO
Inventors: 郭建刚; 闵小刚; 甘冰
Original assignee: 广东新宝电器股份有限公司
Priority date: 2015-07-24
Filing date: 2015-11-24
Publication date: 2017-02-02

Abstract

Disclosed is a coffee machine, comprising a bean grinding cavity (3C) and an independent bean storage box (1A) arranged above the bean grinding cavity (3C). A bean discharging movable door (3) is arranged between the bean storage box (1A) and the bean grinding cavity (3C). The bean discharging movable door (3) is capable of moving relative to the bean storage box (1A) under the action of an electric motor so as to open or close an outlet (1a) of the bean storage box (1A).

Description

a bean coffee machine

Cross-reference to related applications

This application claims to have the Chinese patent application CN 201510443816.6 entitled "A Bean Coffee Machine" submitted on July 24, 2015 and the name "A Bean Coffee Machine" submitted on July 24, 2015. The priority of the Chinese patent application CN 201520546237.X, the entire contents of which is hereby incorporated by reference.

Technical field

The invention relates to the technical field of coffee machines, in particular to a bean coffee machine capable of automatically adjusting the amount of beans.

Background technique

At present, when the bean coffee machine on the market is used, the coffee beans are generally placed in the bean cavity. The grinding effect of the coffee beans in the bean milling chamber is completely broken into coffee powder, after which the coffee powder falls into the brewing funnel through the powder passage to brew the coffee.

Chinese Patent No. CN102058318A discloses a coffee machine 100', as shown in Fig. 1, which mainly comprises a motor 8' disposed at the top of the coffee machine 100', and a bean cutter 7' connected to the motor 8'. The shaft of the bean cutter 7' is longitudinally connected to the motor 8', and the blade of the bean knife 7' is laterally inserted into the grinder net 6'. A sieve 9' and a funnel 4' are sequentially disposed outside the grinder net 6'. The water tank 11' is disposed on the side of the coffee maker 100' and is coupled to the brewing spout 15' located above the grinder web 6'. In the above coffee machine 100', the coffee beans are first placed in the grinder net 6' during use, and the bean cutter 7' is rotated by the motor 8' to break all the coffee beans. The user cannot automatically adjust the amount of beans in the coffee machine according to the difference in the number of cups of pre- brewed coffee. Moreover, during the process of beating the coffee machine 100', the coffee powder will remain and adhere to the gaps and dead corners of the grinding mechanism and the coffee passage. If it is not cleaned in time, the grinding mechanism will be damaged, or the powder passage will be blocked. Will inevitably affect the life of the machine.

Summary of the invention

In order to solve some or all of the above technical problems, according to an aspect of the present invention, a hit is provided Bean coffee machine. The bean-making coffee machine includes a bean-making chamber, and a bean storage box is arranged above the bean-making chamber, and a bean-moving activity door is arranged between the bean storage box and the bean-making chamber. The lower bean movable door can move relative to the storage box to open or close the storage box, thereby automatically adjusting the amount of beans falling from the storage box into the bean opening. In this case, the coffee beans for multiple use can be stored in the storage bin at one time. The user can automatically adjust the opening time of the lower bean moving door according to the difference in the number of cups of pre- brewed coffee, for example, 2 cups, 4 cups or 6 cups, thereby adjusting the amount of beans.

Further, the bean storage box is disposed at the top of the coffee machine, and the lower bean movable door is disposed at the outlet of the bean storage box and can perform linear motion with respect to the storage bean box. Therefore, the coffee beans stored in the bean storage box can fall into the bean-making chamber through the movable door of the bean under the action of gravity.

Further, the bean coffee machine is further provided with a coffee bean passage for connecting the bean storage box and the bean bean cavity. The lower bean movable door is disposed between the outlet of the bean storage box and the entrance of the coffee bean passage. The outlet of the coffee bean passage is connected to the bean opening. Thus, the coffee beans can enter the coffee bean passage from the storage box through the lower bean movable door, and finally enter the bean opening under the guiding action of the coffee bean passage.

Further, the side wall of the coffee bean passage relative to the inlet of the bean opening is configured to be curved from the entrance of the coffee bean passage toward the entrance of the bean opening. Thus, the coffee beans falling on the arc surface can slide into the bean cavity.

Further, a shower head is provided between the lower bean movable door and the entrance of the coffee bean passage. Thereby, the water heated by the heat generating device flows out from the shower head, flows through the coffee bean passage, the bean cavity, and finally flows into the coffee basket for brewing the coffee. Through the above-mentioned flow process, the hot water can be used to brew the coffee powder remaining in the coffee bean passage, the bean-making chamber and the filter net into the coffee basket for brewing, so that no need for secondary cleaning ensures the cleanness of the coffee machine. At the same time, the freshness of the brewed coffee is also guaranteed.

Further, the coffee bean passage is integrally formed with the bean opening. Thereby, the structure of the coffee machine can be ensured to be simple, easy to manufacture, and has good firmness.

Further, the bean opening is configured as a cavity having a longitudinal receiving space, for example, the bean opening may be configured as a vertically disposed rectangular parallelepiped so as to accommodate a longitudinally rotating bean cutter. On the side of the bean cavity that is far away from the coffee bean passage, a lateral motor mounting space is constructed. The shaft of the bean cutter is connected horizontally to the motor. Thereby, the motor can be installed laterally on the side of the bean-making cavity, and the bean-cutter is connected to the motor and longitudinally disposed in the bean-making cavity. Through the above settings, the space inside the coffee machine is rationally utilized and is easy to install.

Further, a filter assembly is disposed at the bottom of the bean cavity, wherein the filter surface of the filter assembly is a curved surface that is concave at the edge. The user can replace the filter mesh of different apertures according to different needs, and then prepare coffee powder of different thickness.

The invention has the advantages that: (1) by setting a separate bean storage box, the coffee beans for multiple use can be stored at one time. The user controls the amount of beans in the bean by controlling the length of time the bean door is opened, making the coffee machine more intelligent. (2) The water outlet position of the hot water is directly sprayed into the coffee basket and adjusted to the upper end of the coffee bean passage, so that the hot water flows through the coffee bean passage and the bean chamber to the coffee basket. In this case, during the flow of the hot water from top to bottom, the coffee powder remaining in the bean-making cavity is flowed into the coffee basket, ensuring cleanness in the bean-making cavity, so that it is not necessary to remove it. The bean cavity is cleaned.

DRAWINGS

The invention will be described in more detail hereinafter based on the embodiments and with reference to the accompanying drawings. among them:

1 is a schematic structural view of a bean coffee machine in the prior art;

2 is a schematic view showing the overall appearance of a bean coffee machine according to an embodiment of the present invention;

3 is a schematic diagram showing the internal structure of a bean coffee machine according to an embodiment of the present invention;

4 is a schematic structural view of an upper assembly of a bean coffee machine according to an embodiment of the present invention;

5 is a schematic exploded view of an upper portion of a coffee bean passage of a bean coffee machine according to an embodiment of the present invention; and

6 is a schematic exploded view of a lower portion of a coffee bean passage of a bean coffee machine according to an embodiment of the present invention.

In the drawings, the same components are denoted by the same reference numerals. The drawings are not in actual proportions.

detailed description

The invention will now be further described with reference to the accompanying drawings.

As shown in FIGS. 2 to 3, the bean-making coffee machine 100 includes a bean-making chamber 3C, and a separate bean storage box 1A disposed at the top of the coffee machine 100. A lower bean movable door 3 is provided between the bean storage box 1A and the bean opening chamber 3C. The lower bean movable door 3 can linearly move relative to the bean storage box 1A under the action of the motor, so that a part of the coffee beans located in the bean storage box 1A pass through the lower bean movable door 3 under the action of gravity and fall into the bean opening chamber. 3C. By controlling the movement of the lower bean movable door 3, the user can control the length of time during which the bean storage box 1A is opened, thereby controlling the number of coffee beans entering the bean-making chamber 3C.

In a specific embodiment of the present invention, as shown in FIG. 3 and FIG. 4, in order to cut the coffee beans in the bean storage box 1A, before entering the bean-making chamber 3C, a certain guiding and buffering is performed, A coffee bean passage 2B is provided between the bean box 1A and the bean bowl 3C. The inlet 2b of the coffee bean passage 2B is located directly below the outlet 1a of the bean container 1A, and the outlet 2b of the coffee bean passage 2B is in communication with the bean opening 3C. Preferably, the coffee bean passage 2B is integrally formed with the bean opening 3C. The entrance of coffee bean channel 2B relative to the bean bowl 3C The side wall of 3c is configured as a curved surface 2B' inclined by the inlet 2b of the coffee bean passage 2B toward the inlet 3c of the bean opening 3C. The cross-sectional shape of the coffee bean passage 2B is generally an irregular quarter circle.

In a specific embodiment of the present invention, as shown in FIGS. 3 and 4, the cavity of the bean opening 3C is substantially cuboidal and disposed longitudinally inside the coffee machine 100. On the side of the bean chamber 3C remote from the coffee bean passage 2B, an installation space 4D for accommodating the motor 8 is provided. Preferably, the coffee bean passage 2B, the bean opening chamber 3C and the motor mounting space 4D are integrally formed as shown in FIGS. 5 and 6. It should be noted here that the setting direction of the motor 8 and the bean cutter 7 in the coffee machine 100 of the present invention is completely different from that of the conventional bean coffee machine 100', that is, the motor 8 is laterally disposed on the coffee machine 100. internal. The bean cutter 7 is connected to the motor 8 and longitudinally disposed in the bean-making chamber 3C. The blade of the bean-cutter 7 spans most of the space of the bean-making chamber 3C.

In a specific embodiment of the invention, a filter assembly 9 is provided below the bean opening 3C, as shown in Figures 4 and 6. Above the filter element assembly 9, there is provided a sealing ring 15 which is matched to its outer contour, and a groove which can accommodate the lower opening of the bean opening 3C is formed at the edge of the sealing ring 15. The seal ring 15 seals the filter screen assembly 9 from the bean-making chamber 3C, in which case water leakage can be effectively prevented. Preferably, the bottom of the bean-making chamber 3C is configured in a rectangular shape, and therefore, in order to match the bean-making chamber 3C, the cross-section of the filter mesh assembly 9 is also configured to be substantially rectangular. In addition, a filter web 16 is disposed on the filter assembly 9, and the user can adjust the thickness of the coffee powder by replacing the filter webs 16 of different apertures. Preferably, the filtering surface of the filter mesh assembly 9 is a curved surface that is concave at the center, for example, a generally V-shaped curved surface. In this case, it is more advantageous for the ground coffee to fall through the filter assembly 9 into the coffee basket 10 from the central depression.

In a specific embodiment of the invention, as shown in Figures 4 and 5, a shower head 4 is provided between the lower bean movable door 3 and the inlet 2b of the coffee bean passage 2B. A water tank 11 is provided on the side wall of the coffee maker 100, and the water in the water tank 11 is heated by the bottom heating device 14, and then sprayed out from the shower head 4 of the shower assembly. In this case, the hot water sequentially flows through the coffee bean passage 2B and the bean opening chamber 3C, and finally enters the coffee basket 10 to brew the coffee. This injection and flow of hot water facilitates flushing the coffee powder remaining on the coffee bean passage B, the bean opening 3C and the screen assembly 9 into the coffee basket 10, so that it is not necessary to clean the above components twice. At the same time, since there is no residual coffee powder affecting the quality of the coffee, the freshness of the coffee is also guaranteed.

The process of using the coffee maker 100 will be described below.

Before brewing the coffee, the user first puts the coffee beans in the bean storage box 1A and adds water to the water tank 11. Then, by operating the control panel device, the amount of pre-coffee can be selected, for example, 2 cups, 4 cups or 6 cups. At this time, the control device will automatically detect the state of the lower bean movable door 3, that is, in the storage box The outlet 1a of 1A is in a sealed state or in an open state. If the control device detects that the lower bean movable door 3 is in a sealed state, the lower bean moving door 3 will linearly move relative to the bean box outlet 1a under the driving of the motor in the lower bean moving door assembly, for example, moving straight backwards to Open the bean box outlet 1a.

When the bean storage box 1A is opened, the coffee beans will fall from the bean storage box outlet 1a under the action of their own gravity, and will slide down into the bean-making chamber 3C through the coffee bean passage 2B. At the same time, the motor 8 in the automatic coffee bean assembly starts to work, and the bean cutter 7 is rotated to pulverize the coffee beans in the bean cavity 3C. The comminuted ground coffee falls through the filter assembly 9 into the coffee basket 10.

When the time set by the control program is reached, the movable door 3 in the lower movable door assembly will be moved by the motor to seal the bean box outlet 1a. The control program enters the brewing coffee stage, and the water in the water tank 11 is heated by the heating device 14, and then sprayed out from the shower head 4 of the shower assembly. The brewing hot water flows through the coffee bean passage 2B, the bean bowl 3C, and the filter assembly 9, and finally drops into the coffee basket 10 to make brewed coffee. Finally, the coffee liquid flows through the coffee basket outlet 12 to the coffee container assembly 13, at which time the coffee machine 100 completes the whole process of making beans and brewing coffee.

In summary, the coffee machine 100 of the present invention is provided with a bean storage outlet 1a at a lower portion of the bean storage box 1A, and a lower bean movable door 3 between the bean storage box outlet 1a and the coffee bean passage 2B, and a lower bean movable door 3 The opening and closing of the bean box outlet 1a can be realized by linear driving of the motor drive in parallel. At the same time, when the bean moving door 3 is closed to the bean box outlet 1a, the steam during the brewing of the coffee can also be prevented from entering the bean box 1A. By providing the shower head 4 on the upper portion of the coffee bean passage 2B, the brewing hot water can be discharged from the shower head 4 and then into the coffee basket 10 through the coffee bean passage 2B, the bean opening chamber 3C and the filter screen assembly 9. The lower portion of the coffee bean passage 2B communicates with the bean-making chamber 3C, and a filter assembly 9 is disposed under the bean-making chamber 3C, and the shredded coffee powder falls from the mesh of the filter assembly 9 into the coffee basket 10 below. A coffee container assembly 13 is provided below the coffee basket 10 to accommodate brewed coffee.

The coffee machine 100 of the present invention can store coffee beans for multiple use at a time by providing a bean storage box 1A at the top thereof. In addition, the coffee machine 100 controls the opening and closing time of the bean moving door 3 by a control program, and the amount of the corresponding coffee beans can be dropped according to the number of cups of the selected coffee. The filter assembly 9 can adjust the thickness of the filtered coffee powder by replacing the filter webs 16 of different apertures. The upper part of the coffee bean passage 2B is provided with a shower head 4, and the hot water is washed in the process of brewing the coffee, and the coffee bean passage 2B, the bean-making chamber 3C and the filter net assembly 9 are also cleaned, and no secondary cleaning is required.

Although the present invention has been described with reference to the preferred embodiments thereof, various modifications may be made without departing from the scope of the invention. Especially, only In the absence of structural conflicts, the various technical features mentioned in the various embodiments can be combined in any manner. The present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

A bean-making coffee machine comprising a bean-making cavity, characterized in that:

a bean storage box located above the bean pocket; and

a lower bean movable door located between the bean storage box and the bean opening chamber;

Wherein the lower bean movable door is configured to be movable relative to the bean storage box to open or close the outlet of the bean storage box.
The bean coffee machine according to claim 1, wherein the bean storage box is disposed at a top of the coffee machine, and the lower bean movable door is disposed at an exit of the bean storage box, and is capable of being opposite to the The outlet of the storage box is linear.
The bean-making coffee machine according to claim 1, further comprising:

A coffee bean passage, the inlet of the coffee bean passage being aligned with an outlet of the bean bin, the outlet of the coffee bean passage being in communication with the inlet of the bean opening.
A bean coffee machine according to claim 3, wherein a side wall of said coffee bean passage opposite said inlet of said bean opening is configured to move from said inlet of said coffee bean passage toward said bean The curved entrance of the entrance of the cavity.
The bean-breaking coffee maker according to claim 3, wherein a water discharge means is provided between the lower bean movable door and the entrance of the coffee bean passage.
The bean-breaking coffee maker according to claim 1, wherein the bean opening chamber is configured as a cavity having a longitudinal receiving space.
The bean-breaking coffee machine according to claim 1, wherein a filter net assembly is provided at a bottom of the bean-making chamber; and the filter net assembly is capable of replacing filter nets of different apertures.
The bean-breaking coffee machine according to claim 7, wherein the filter surface of the filter mesh is a curved surface that is concave at an edge.
The bean-breaking coffee maker according to claim 1, wherein a lateral motor mounting space is formed on a side of the bean opening that is away from the coffee bean passage.
The bean-making coffee machine according to claim 9, further comprising a motor and a bean cutter, the rotating shaft of the bean-cuttering knife being horizontally connected to the motor.