JPH0497712A - Coffee maker - Google Patents

Abstract

PURPOSE:To eliminate the possibility of a cover not to be put in place or to be lost at the time of injecting water into a water tank by fitting a pair of projection bodies arranged on the cover on the upper side of the water tank, on holes on the side of a main body case set at positions confronted with the projection bodies, to engage them with each other removably. CONSTITUTION:A hopper-shaped basket 15 for retaining a paper filter 15a for filtering coffee, a hot water feeding means 20 for heating water and discharging it from the upper section of the basket 15, the water tank 24 of an attachable or removable type for storing water to be fed to the hot water feeding means 20, and a heat retaining means 7 with a vessel 10 for receiving coffee extracting liquid to be dropped from the lower section of the basket 15, to be mounted on, are arranged. Then the cover 25 of the water tank 24 having a pair of projection bodies 35 confronted with each other linearly with the fulcrum of rotational movement, is set on the upper side of the water tank 24. At positions to be confronted with a pair of the projection bodies 35, the projection bodies 35 are fitted, and a pair of holes 2a to be engaged as fulcrums for opening or closing the cover 25 are arranged on a main body case 2. As a result, at the time of injecting water into the water tank, the possibility of the cover not to be put in place is eliminated.

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a coffee maker that obtains coffee liquid by heating water stored in a water tank and injecting hot water into ground coffee beans, and particularly relates to a coffee maker that obtains coffee liquid by heating water stored in a water tank and injecting hot water into ground coffee beans. This invention relates to a mounting structure for a lid provided above a water tank.

[Prior Art] As a conventional coffee maker, there is one shown in FIG. 5, for example.

In FIG. 5, the outer shell of the coffee maker (1) is composed of a main body case (2) and a bottom cover (3). A heating plate (4) is provided at the bottom of the main body case (2), and a sheathed heater (5) for heating is installed on this heating plate (4).
) and a water vibrator (6) through which heated water passes are each installed.

The heat insulating plate (7) is in close contact with the top surface of the hot plate (4).
4), and is fixed to the main body case (2) via a backing (8) and a holder (9) by screw means (not shown). A glass container (10) is placed on the heat insulating plate (7).
10) A lid (11) is attached to the upper opening.

In addition, a band (12) is attached to the lower side of the glass container (10).
) (indicated by a broken line in the figure) is fitted, and a screw (14
), and above the glass container (10),
A basket (15) is arranged.

The basket (15) is formed on an inverted truncated conical funnel, and has a paper filter (for coffee maker filtration) inside.
15a) is loaded, and furthermore, this paper filter (15a) is loaded.
Coffee beans (15b) ground to an appropriate particle size using a mill (not shown) are placed in a).

The bottom of the basket (15) is provided with a hole (19), and the outside of the bottom of the basket is provided with a hole (19).
) is provided to close the valve (1B). This valve (
18) is an arm (16) attached to the bottom of the basket.
), and a spring (1) is formed between the other end of this arm (16) and the side of the basket (15).
7) is provided.

Further, the arm (16) is rotatable near its center, and the valve (18) is configured to operate when the basket (15) is placed on the lid (11) of the glass container (]0). The upper end of the lid (11) pushes up the base end of the arm (16) against the spring (17), thereby retreating downward and opening the hole (19).

A part of the main body case 2) rises upward, and a vertical part (2)
A), and an upper cover (22) and a lower cover (23) are provided from this vertical part (2 people) upwardly of the basket (15), and the lower cover (23) is provided with a basket (15). ) is installed.

One side of the water vibrator (6) inside the hot plate (4) is connected to the hot water pipe (
21), passes through the vertical part (2 people) and the space between the upper cover (22) and the lower cover (23), and is connected to the approximate center of the lower cover (23). A mouth (20) is formed towards the basket (+5).

Also, on the back side of the vertical part (2A) is a water tank (24).
The upper part of this water tank (24) is closed with a lid (25).

A valve (26) is provided at the bottom of the water tank (24). This valve (2B) is formed so that it is closed when the water tank (24) is removed from the main case (2) of the coffee maker (1) and opened when it is attached to the main case (2). It is designed to prevent leaks.

The lower main body case (2) side of the valve (26) is connected to the other end of the water vibrator (6) inside the hot plate (4), and the check valve (26) is connected to the other end of the water vibrator (6) inside the hot plate (4).
7) is provided.

This check valve (27) is for preventing the water in the water pipe (6) heated by the hot plate (4) from flowing back into the water tank (24>).

Next, the operation of the conventional coffee maker will be explained based on the above configuration.

Water in the water tank (24) is supplied to the hot plate (4) via a valve (26).
) into the water pipe (6).

On the other hand, power is supplied to the heater (5) from an AC power source (not shown), and the heater (5) generates heat.

Due to this heat generation, the water in the water pipe (6) boils, and the heat insulating plate (7) is heated via the hot plate (4).
The glass container (10) is kept warm.

The hot water in the water pipe (6) flows into the basket (15) from the hot water outlet (20) and permeates through the coffee beans (15b) to extract coffee liquid. ), and drips into the glass container (10) through the hole (19) and collects therein. (33a) is a steam hole.

In addition, the coffee beans (15b) are ground to an appropriate particle size in a mill (not shown) and then processed into Basquera! -(+5) is put into the paper filter (15a).

[Problem to be solved by the invention] In the conventional coffee maker as described above, the water tank (
24) While it is convenient to be able to easily remove the lid when injecting, there are problems such as forgetting or losing the removed lid.

This invention has been made to solve the above-mentioned problems, and aims to provide a coffee maker with a structure in which there is no risk of the lid being left behind or lost when filling the water tank.

[Means for Solving the Problems] The coffee maker according to the present invention has a pair of protrusions facing each other on a line that serves as a fulcrum for rotation of the lid that covers the top of the water tank, and a position corresponding to the protrusions. A pair of holes are provided on the main body case side of the device, and the protrusion is fitted into the holes for engagement.

Alternatively, the lid, which engages the projections by fitting them into the pair of holes of the main body case, is formed of an elastic material that allows the projections to be easily fitted into and removed from the holes.

[Function] In the coffee maker of the present invention, the protrusion on the lid side presses into and engages with the hole on the main body case side, and the lid can be held in any open position by the restraining force caused by this press contact. Further, when the lid is removed from the main body case, the elasticity of the lid allows the protrusion to be easily removed from the hole.

[Example] Hereinafter, an example of the present invention will be described based on FIGS. 1 to 4.

FIG. 1 is a longitudinal cross-sectional view showing the overall configuration of a coffee maker according to an embodiment of the present invention, and FIG. 2 is a perspective view of the external appearance.
Fig. 3 is a perspective view showing the state in which each part of Fig. 2 is opened and disassembled, and Fig. 4 (I) (n) shows the engagement of the main body case and the water tank lid in Figs. 1 to 3. It is a perspective view and a partial sectional view showing a state.

In Figures 1 to 4, parts that are the same as the reference numerals in Figure 5, which shows a conventional coffee maker, are the same or equivalent parts. Let me explain the points.

(28) is the lid of the basket (15). A mill chamber (31) containing a mill consisting of an electric motor (29) and a cutter (30) is formed in the upper part of the main body case (2), and a thin hole (32) is provided in the lower part of the mill chamber (31). Also, the mill room (3
1) A lid (33) for charging coffee beans (15a) and an inner lid (34) made of a metal plate are provided above.

One of the water vibrators (6) inside the hot plate (4) is connected to the hot water vibrator (
This hot water supply vibrator (21) (7) extends perpendicularly to the
) A blow-off port (20) serving as an outlet is arranged toward the inside of the mill chamber (31). Further, a water tank (24) is provided on the back side of the electric motor (29), and this water tank (
Above 24), as shown in FIGS. 3 and 4, there is a pair of protrusions (35), (35) each having a spherical tip.
can be removably fitted into and engaged with a pair of holes (2a), (2a) provided at corresponding positions on the main body case (2) side due to the elasticity of the lid (25) in the direction of arrow A. Hole (2a)
, (2a) as the center, the lid (25) can be rotated to open and close, and can be held in any open position.

In addition, on the upper and lower end surfaces of the basket (15), there are placed baskets (15) close to the outer circumferential surfaces thereof as shown in FIG.
5) A pair of projections (15c) (the lower projection is not shown) are provided on a line parallel to the axis, and these projections (15c) are provided on a line parallel to the axis.
c) It can be attached and detached to holes (2c) and (2c) provided in the main body case (2) corresponding to (15c).

Next, the operation will be explained based on the drawings. Mill room (3
1) Coffee beans put into the coffee beans are crushed by a cutter (30) connected to an electric motor (29), and cut into small holes (32).
through the paper filter (15a) in the basket (15)
It falls and accumulates. Meanwhile, the water in the water tank (24) is fed to the water pipe (6) in the hot plate (4) via the valve (26).

On the other hand, power is supplied to the heater (5) from an AC power source (not shown), and the heater (5) generates heat, which causes the water in the water pipe (6) to boil and the hot plate (4) to boil.
), the heat insulating plate (7) is heated through the glass container (10
) is kept warm.

The hot water in the water vibrator (6) passes through the hot water supply vibrator (21), the outlet (20), the mill chamber (31), the small hole (32), and the lid (28) of the basket (15) into the basket (15). The coffee liquid flows into the paper filter (15a), permeates through the coffee beans (15b), and extracts the coffee liquid.
is filtered through the hole (19) into a glass container (lO
).

When the entire amount of coffee liquid has dripped into the glass container (10), as shown in Figure 3, take out the glass container (10) and pour it into a coffee cup. The lid (25) engaged with the holes (2a) and (2a) in (2) is rotated and held in a vertical position, and the water tank (24) is taken out and filled with water. In addition, when removing dirt on the lid (25) and its surroundings due to long-term use, etc., displace the lid (25) in the direction of arrow A in Fig. 4 and open the holes (2a) and (2a). ) from the protrusions (35), (3
5) should be removed.

[Effects of the Invention] As described above, according to the coffee maker of the present invention, the pair of protrusions provided on the upper lid of the water tank are connected to the holes provided on the main body case side at positions corresponding to the protrusions. Since it is fixed to the main body case side at all times, there is no risk of losing the lid due to misplacement when taking out the water tank (or to prevent it from getting dirty). This has the effect of providing a coffee maker with a lid that can be removed with a simple operation.

[Brief explanation of the drawing]

FIG. 1 is a vertical cross-sectional view showing the overall structure of a coffee maker according to an embodiment of the present invention, FIG. 2 is a perspective view of the same external appearance, and FIG. 3 is a state in which each part of FIG. 2 is opened and disassembled. 4(1) and (II) are a perspective view and a partial sectional view showing the structure for attaching and detaching the water tank lid in FIGS. 1 to 3, and FIG. 5 is a sectional view of a conventional coffee maker. be. In the figure, (1) is the coffee maker, (2) is the main body, (2a) is the hole, (3) is the bottom cover, (4) is the hot plate, (5) is the sheathed heater, (6) is the water pipe, (7) is a heat insulation plate, (ε) is a packing Z, (9) is a holder (ID) is a glass container,
(11) is the lid, (12) is the band, (13) is the handle, (
14) Splash, (15) is basket, (15a) is paper filter, (15b) is coffee beans, (15c) is projection, (16) is arm, (17) is spring, (18)
) is the valve, (19) is the hole, (20) is the hot water outlet, (2I)
(22) is the top cover (23) is the bottom cover, (24) is the water tank, (25) is the lid, (26) is the valve, (27) is the check valve, (28) is the basket lid , (29
) is the electric motor, (30) is the cutter, (31) is the mill chamber,
(32) is a small hole, (33) is a lid, (34) is an inner lid, (3
5) is a protrusion, and (2 people) is a vertical part. In addition, in the figures, the same reference numerals indicate the same or equivalent parts.

Claims (2)

[Claims] (1) a funnel-shaped basket that holds a paper filter for coffee filtration; a hot water supply means that heats water and blows it out from the top of the basket; a removable water tank that stores water supplied to the hot water supply means; A coffee maker equipped with a heat retaining means on which a container for receiving coffee extract dripping from the bottom of the basket is placed, a pair of protrusions provided above the water tank and facing each other on a line serving as a fulcrum of rotation. The protrusions fit into the lid of the water tank and the pair of protrusions at positions corresponding to the lid of the water tank,
A coffee maker comprising: a main body case provided with a pair of holes that engage and serve as fulcrums for opening and closing the lid. (2) The lid that engages the pair of holes in the main body case by fitting the protrusions therein is formed of an elastic material that allows the holes and the protrusions to be easily fitted into and separated from each other. The coffee maker according to claim 1, characterized in that: