JPS5812671Y2 - coffee boiler - Google Patents

Description

[Detailed Description of the Invention] The present invention relates to a drip-type Konichini boiler and is aimed at improving coffee extraction characteristics.

゛Conventionally, the coffee basket in this type of coffee brewer is made of synthetic resin or the like and is formed into a substantially inverted conical shape, and its inner surface has a plurality of ribs that collect the coffee that has passed through the paper filter at the bottom, and the bottom has a coffee basket that collects the coffee that has passed through the paper filter. The filter body, which has an outlet, and the support frame surrounding it are integrally molded.

In addition, the mechanism of a water heater is to introduce water stored in a water tank into a pipe equipped with a heating device, heat the pipe, generate bubbles in the pipe, and push out hot water from the bubbles. Coffee is extracted by dripping it from above the coffee basket.

Therefore, as a matter of course, coffee powder corresponding to the desired number of cups is placed in the filter body through a paper filter, but as mentioned above, the filter body has a conical shape ρ, so if the coffee powder is used for 6 to 10 cups, etc. As the surface area becomes wider, as shown in Figure 1, coffee is extracted near the center, and not enough coffee is extracted from the coffee grounds at the periphery. The current situation is that coffee tastes bad even if the concentration is high.

The present invention solves the above-mentioned drawbacks and extracts suitable coffee.One embodiment of the present invention is shown in Figs. 2 to 5 below.
This will be explained based on the diagram.

In FIG. 2, 1 is attached to the upper opening with a lid 2. 4 is a heating pipe connected at one end to the water tank 1 via the check valve 3, and at the other end opening at a position above the coffee basket 5. Connected to the water vibro.

The coffee basket 5 consists of a substantially inverted conical filter section 5a at the center and a support frame 5b at the outer periphery. Coffee powder 7 is stored inside the filter section 5a via a paper filter 13.

8 is the lid of the coffee basket 5, as shown in FIGS. 3 and 4.
The shape is as shown in the figure.

That is, the central concave portion 8' has a spherical diffuser plate 8a that is convex upward, and a round hole Ba' is formed in the center of the diffuser plate 8a, which is slightly inward from the opening 6' of the water-raising vibro. ing.

S a / is a plurality of ribs that are provided on the outer periphery of the diffuser plate ga, connect the downwardly tapered peripheral edge 8b of the diffuser plate 8a, and support the diffuser plate 8a.

A through hole is formed between the plurality of lips 8a.

Further, a projection 8C that engages with the coffee basket 5 is provided on the periphery of the back surface.

Reference numeral 9 denotes a heating element having a heating pipe 4 therein, which is thermally equipped with a heating element 10 and heats extracted coffee liquid in a coffee container 12 via a heat insulating plate 11.

Note that the coffee basket 5 is placed on the coffee container 12.

In the above configuration, water in the water tank 1 passes through the check valve 3 and flows into the heating pipe 4.

This check valve 3 only allows water from the water tank 1 to pass through the heating pipe 4.

Therefore, the water in the heating pipe 4 heated by the heating element 10 via the heating element 9 repeatedly undergoes boiling expansion and is discharged from the opening 6' of the water-raising vibro.

Most of the discharged hot water reaches the lid 8 of the coffee basket 5.
is directly poured into the coffee powder 7 from the central round hole Ba',
As shown in FIG. 5, the center of the surface of the coffee powder 7 is made concave.

Furthermore, since the round hole 8a' is slightly smaller than the opening 6' of the water raising vibro, a part of the discharged hot water is sprinkled by the diffusion plate 8a of the lid 8, passes through the hole between the ribs 8a'', and passes through the coffee powder 7.
The periphery of the

As a result, the coffee powder 7 forms a layer having a substantially uniform thickness on the side bottom surface of the inverted conical filter portion 5a of the coffee basket 5, and coffee components are extracted from the entire coffee powder 7.

The peripheral edge 8b is tapered downward toward the center, so that water droplets condensing on the back surface of the lid 8 are collected in the center and dripped, and the coffee powder 7 is passed through the paper filter 13. It is not directly absorbed and can prevent a decrease in concentration.

Furthermore, it is possible to prevent water droplets from dripping when the lid 8 of the coffee basket 5 is attached and detached after coffee extraction is completed.

As is clear from the above explanation, according to the present invention, by sprinkling a part of the discharged hot water, it is possible to appropriately extract the components necessary for coffee from the entire prepared coffee powder, and remove unnecessary components. There is no over-extraction of ingredients, and by adjusting the amount of water and coffee powder, you can obtain either strong or weak coffee.

In addition, the hole in the lid has a small hole in the center and a through hole between the ribs, so it can be used as a lid for a coffee basket to prevent a drop in temperature during coffee extraction and improve the extraction conditions.

[Brief explanation of the drawing]

Fig. 1 is a sectional view of essential parts of a conventional coffee brewer, Fig. 2 is a sectional view of a coffee brewer showing an embodiment of the present invention, and Fig. 3 is a sectional view of a main part of a conventional coffee brewer.
The figure is a perspective view of the lid of the coffee boiler, FIG. 4 is a sectional view of the lid, and FIG. 5 is a sectional view of the main part of the coffee brewer. 1...Water tank, 3...Check valve, 4.
... Heating pipe, 5 ... Coffee basket, 8 ... Lid, 8a ... Diffusion plate,
8a'...Round hole, 10...Heating element, 1
2... Container.

Claims (1)

[Scope of utility model registration request] One end of the heating pipe equipped with a heating device is connected to a water tank via a check valve, and the other end is connected to a water rising pipe, the upper end of which is opened above the coffee basket equipped with a substantially inverted cone-shaped filtration section. A coffee container is provided at the bottom of the coffee basket, and a convex spherical diffusion plate with a hole slightly inward from the opening of the rising pipe is placed in the center of the coffee basket. A coffee boiler that includes a coffee basket lid with multiple openings on the outer periphery.