JP2804674B2 - Coffee kettle - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION The present invention relates to a coffee machine.

[0002]

2. Description of the Related Art FIGS. 7 and 8 show Japanese Utility Model Publication No. 60-7627.
1 shows a conventional coffee stove found in Japanese Patent Publication No. A water tank 21 integrally formed with the coffee boiler main body 20 is provided, and water in this water tank passes through a pipe 22 and is heated by a heater 23 on the way to become hot water. The hot water is supplied from a pipe 22 to an extraction unit 24 containing coffee powder, and coffee liquid is extracted, and the coffee liquid is accumulated in a lower container 25. As described above, the water tank 21 is
When integrally molded to zero, the cost of the coffee boiler can be reduced.

A power switch 26 for turning on / off the power to the heater 23 is generally connected to the water tank 21.
And an inexpensive open type is provided below the side wall of the outer wall.

[0004]

In such a coffee brewing machine, when extracting the coffee liquid, since the water tank 21 is integrally formed with the main body 20, the main body 20 itself is brought to a water tap. Then, water is put into the water tank 21. In this case, water tank 2
In some cases, water exceeding the rated capacity is poured into the tank 1 and the water overflows from the water tank 21. The overflowing water is in the water tank 21
Along the outer wall of the power switch 26 to enter an open type power switch 26 provided below and accumulate in a conductive portion in the power switch 26, which may cause a short circuit or an electric shock.

According to the present invention, in a configuration in which a water tank is formed integrally with a main body of a coffee brewer for cost reduction, even if water overflows when water is poured from a faucet into the water tank, the power switch is provided inside the power switch. An object of the present invention is to provide a coffee brewing machine that can minimize the occurrence of water shortage and electric shock.

[0006]

A coffee brewer according to the present invention comprises a water tank formed integrally with a coffee brewer body and supplied with water from an upper opening; a pipe connected to the water tank; disposed in the middle of the pipe, a heater for the hot water by heating water that is guided through the pipe from the water tank, containing the coffee powder, the coffee liquid by the hot water supplied from the pipe an extraction unit for extracting a container for storing coffee solution extracted, provided on the outer wall surface below the water tank, to be composed of a power switch for oN-oFF of the power supply to the heater
The water tank located above the power switch.
The water overflowing from the above-mentioned water tank
It does not reach the above power switch along the outer wall of the water tank
So that it projects one step above the periphery of the upper opening
The part is formed integrally with the water tank.

[0007] Further, on the outer wall surface of the water tank, a range from the projecting portion to the power switch is bulged outward.

[0008]

[Action] When the water overflows when filling the water tank,
The overflowing water runs down the outer wall of the water tank. In this case, since there is a protrusion above the power switch, it is difficult for water to overflow from above the power switch. Accordingly, overflowing water is prevented from entering the power switch.

The water overflowing from both sides of the projecting portion gradually spreads downward along the outer wall surface of the water tank and attempts to reach the power switch below the projecting portion. This is prevented by the step formed by bulging the outer wall surface of the water tank in the range up to the outside, and also at this point, overflowing water is suppressed from entering the power switch.

[0010]

1 to 6 show a coffee brewer according to an embodiment of the present invention. A water tank 2 is integrally formed with the coffee boiler body 1 for cost reduction. The water tank 2 has an upper opening 4 closed by a detachable upper lid 3. Is supplied with water. The water supplied into the water tank 2 passes through the check valve 5, and reaches the pipe 6 having one end connected to the water tank 2 via the valve. A heater 7 is disposed in the middle of the pipe 6, and the heater 7 heats water passing through the pipe 6 to make hot water. When the water becomes hot water, the pressure in the pipe 6 increases, and the hot water exits from the other end of the pipe 6 due to the presence of the check ring 5 at one end of the pipe 6 due to this pressure. The hot water discharged from the pipe 6 is supplied to a lower extraction unit 8 in which a paper filter is set and coffee powder is stored therein, and coffee liquid is extracted from the extraction unit 8. The extraction unit 8 is mounted on a container 9, and the coffee liquid to be extracted accumulates in the container 9. The container 9 is placed on the heater 7, and the coffee liquid stored in the container 9 is kept warm by the heater 7.

An inexpensive open-type power switch 10 for turning on / off the power to the heater 7 is provided below the outer wall surface of the water tank 2. Further, a protrusion 11 having a fixed width is integrally formed at a position on the periphery of the upper opening 4 of the water tank 2 above the power switch 10 so as to protrude upward. Then, on the outer wall surface of the water tank 2, a range from the protruding portion 11 to the power switch 10 bulges outward, and steps 12 are formed in the vertical direction.

In such a coffee boiler, when the coffee liquid is extracted, since the water tank 2 is integrally formed with the main body 1, the main body 1 itself is brought to the tap of the tap and the water tank 2 is taken out. Will be filled with water. In this case, the water tank 2 may be erroneously filled with water having a rated capacity or more, causing the water tank 2 to overflow. The overflowing water travels down the outer wall of the water tank 2. In this case, since the protruding portion 11 is provided above the power switch 10, it is difficult for water to overflow from above the power switch 10. Therefore, overflowing water is suppressed from entering the power switch, and does not accumulate in the conductive portion in the power switch 10, and there is no danger of short circuit or electric shock.

Further, the water overflowing from both sides of the projecting portion 11 gradually spreads along the outer wall surface of the water tank 2 to the lower side, and tends to reach the power switch 10 below the projecting portion 11. The steps 12, 12 formed by the bulging of the outer wall of the water tank extending from the portion 11 to the power switch 10 are prevented as shown by arrows in FIG. It is suppressed and there is no danger of short circuit or electric shock.

[0014]

According to the present invention, in a configuration in which the water tank is formed integrally with the main body of the coffee machine for cost reduction, even if water overflows when water is poured into the water tank from the faucet. It is possible to minimize the occurrence of short circuit and electric shock caused by water entering the power switch, thereby providing a highly safe coffee brewer.

[Brief description of the drawings]

FIG. 1 is a perspective view of a coffee machine according to an embodiment of the present invention.

FIG. 2 is a side sectional view of the coffee machine.

FIG. 3 is a perspective view of a main body of the coffee machine.

FIG. 4 is a perspective view of a main part of the main body of the coffee machine.

FIG. 5 is a sectional view taken along line AA of FIG. 1;

FIG. 6 is a sectional view taken along line BB of FIG. 1;

FIG. 7 is a side sectional view of a conventional coffee machine.

FIG. 8 is a perspective view of a main body of the coffee machine.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Coffee-boiler main body 2 Water tank 4 Upper opening 6 Pipe 7 Heater 8 Extraction part 9 Container 10 Power switch 11 Projection part 12 Step

Continuation of the front page (56) References JP-U 4-32630 (JP, U) (58) Fields investigated (Int. Cl. ⁶ , DB name) A47J 31/00-31/60

Claims (2)

(57) [Claims] 1. A water tank formed integrally with a coffee kettle body and supplied with water from an upper opening, a pipe connected to the water tank, and a pipe disposed in the middle of the pipe, and a heater for the hot water by heating water that is guided through the pipe, and housing the coffee powder,
An extraction unit for extracting the coffee liquid by supplying the hot water from the pipe, a container for storing the extracted coffee liquid, and a power supply to the heater, which is provided below an outer wall surface of the water tank, consisting of a power switch for the
Wherein the power switch is located above
Overflow from the above water tank at the periphery of the upper opening of the water tank
Water runs down the outer wall of the water tank and reaches the power switch.
So that it does not protrude one step above the periphery of the upper opening.
The water tank is formed integrally with the water tank.
Coffee kettle. 2. The coffee brewer according to claim 1, wherein a region from the projecting portion to the power switch is bulged outward on an outer wall surface of the water tank.