JPH0425811B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a coffee maker, and particularly to a coffee maker in which the structure of a water tank and hot water supply means has been improved.

[Prior Art] As a conventional coffee maker, there is one shown in FIG. 4, for example.

In this figure, the outer shell of the coffee maker 1 is composed of a main body case 2 and a bottom lid 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 the heating plate 4.
and a water pipe 6 through which water to be heated is passed.

A heat insulating plate 7 is in close contact with the upper surface of this heat plate 4, and this heat insulating plate 7, together with the heat plate 4, has a gasket 8.
and is fixed to the main body case 2 via the holder 9 by screw means (not shown). A container 10 made of, for example, glass is placed on the heat retaining plate 7, and a lid 11 is attached to the upper opening of the container 10. A band 12 (indicated by a broken line in the figure) is fitted onto the lower side surface of the glass container 10, and is fixed by screw means 14 to the lower side of a handle 13 also provided on the side. There is.

A bucket 15 is arranged above the glass container 10.

This bucket 15 is formed on an inverted conical funnel, and a paper filter 15a for filtering the coffee maker is loaded inside, and coffee beans ground into appropriate granules are placed inside the paper filter 15a. 15b is introduced. A hole 19 is provided at the bottom of the bucket bag 15, and a valve 18 is provided outside the bottom so as to close the hole 19. The valve 18 is formed at one end of an arm 16 attached to the bottom of the bucket, and a spring 17 is provided between the other end of the arm 16 and the side of the bucket 15. The arm 16 is rotatable near its center, and the valve 18
When the bucket 15 is placed on the lid 11 of the glass container 10, the upper end of the lid 11 is placed on the arm 1.
By pushing up the proximal end of 6 against the spring 17, it retreats downward and opens the hole 19.

A part of the main body case 2 mentioned above rises upward to constitute a vertical portion 2A, and an upper cover 22 and a lower cover 23 are provided extending from this vertical portion 2A toward the upper side of the bucket bag 15.

A bucket 15 is attached to the lower cover 23.

One of the water pipes 6 in the hot plate 4 described above is extended as a hot water pipe 21 and connected to a substantially central portion of the lower cover 23 through the vertical portion 2A and the space between the upper cover 22 and the lower cover 23. A hot water outlet 20 is formed toward the bucket 15.

On the back side of the above-mentioned vertical part 2A, there is a water tank 2.
4 is provided, and the upper part of this water tank 24 is closed with a lid 25.

A valve 26 is provided at the bottom of this water tank 24. This valve 26 is configured to close when the water tank 24 is removed from the main body case 2 of the coffee maker 1 and open when it is attached to the main body case 2, so that water does not leak when the water tank 24 is removed. There is.

The lower body case side of the valve 26 is connected to the other end of the water pipe 6 inside the hot plate 4, and the check valve 27
is provided. This check valve 27 allows water in the water pipe 6 heated by the hot plate 4 to flow into the water tank 2.
This is to prevent the flow from flowing backwards.

To explain the operation of the above conventional example, water in the water tank 24 is introduced into the water pipe 6 in the hot plate 4 via the valve 26.

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

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

The hot water in the water pipe 6 falls into the bucket 15 from the outlet 20, penetrates into the coffee beans 15b, and extracts coffee liquid.

The coffee liquid is filtered by the paper filter 15a and falls into the glass container 10 through the hole 19.

[Problems to be Solved by the Invention] In conventional coffee makers, the area near the outer periphery of the small diameter portion of the funnel-shaped bucket 15 is a useless space, and furthermore, a water tank 24 is installed separately from the bucket 15. This makes it difficult to downsize the entire coffee maker, and
There was a problem that it took time to install and remove the bucket and water tank when using the coffee maker.

This invention was made to solve the above-mentioned problems, and aims to provide an easy-to-use coffee maker in which the coffee maker itself can be downsized and the bucket and water tank can be easily attached and detached. .

[Means for Solving the Problems] In order to achieve the above object, the coffee maker according to the present invention has a water tank formed to store water in the outer peripheral space of the bucket, and also formed to be able to fit with the bucket. The hot water supply means is provided with a nozzle having a hot water outlet at one end and rotatably pivoted vertically above the bucket. It is characterized by having a claw part for lifting it into position.

[Function] According to the above structure, the space near the outer periphery of the small diameter part of the funnel-shaped bucket can be effectively used as a water storage part, and since the bucket and the water tank are formed so that they can be fitted, the coffee maker When in use, the bucket and water tank can be installed and removed simultaneously in one operation.

Furthermore, the water tank can be lifted to a position where it can be easily removed when the nozzle is rotated by a claw provided near the end of the nozzle on the pivot side, thereby facilitating and speeding up the removal of the water tank and bucket. I can do it.

[Embodiment] An embodiment of the coffee maker according to the present invention will be described based on FIG. 1.

This figure shows a schematic cross-sectional view of the embodiment, and elements having the same functions and configurations as those of the conventional device are designated by the same reference numerals, and the explanation thereof will be omitted.

One characteristic feature of the present invention is that the water storage portion of the water tank 30 is formed in the outer peripheral space of the funnel-shaped bucket 15. That is, the water tank 30 has a structure in which a water storage tank is formed around the bucket 15 by using the outer peripheral surface of the bucket 15 as a wall for storing water, and water is stored in a ring shape around the bucket 15. It is becoming.

The water tank 30 is fitted and fixed to the bucket 15 at its bottom via a bucket fitting 31 and a gasket 32 (details will be described later).

In order to be able to inject water into the water tank 30 with the bucket 15 installed inside the water tank 30, the upper overhang of the bucket 15 is provided with a
Water inlet 33 is open.

Another feature of the present invention is that a nozzle 34 is provided at the end of the hot water supply pipe 21 on the hot water outlet side.

This nozzle 34 has a hot water outlet 20 at its tip.
is formed, and its base end is rotatably attached to a rotation shaft 35.

A claw portion 36 that rotates as the nozzle 34 rotates is provided at the end of the nozzle 34 on the pivoting side. The upward rotation of the nozzle 34 is stopped at a predetermined angle by a pawl protrusion 36a provided at the base end of the nozzle 34.

FIG. 2 shows a perspective view of the main body 1 of the coffee maker according to the present invention and the nozzle portion provided with the claw portion 36, and in this example, the nozzle 34 is housed in a nozzle case 37.

The nozzle case 37 rotates in the direction of arrow 100 using the rotation shaft 35 housed in the shaft cover 38 as a fulcrum.
The claw portion 36 is adapted to engage with a collar portion on the upper outer periphery of the water tank 30.

FIG. 3 is a diagram for explaining the fitting method of the bucket 15 and the water tank 30 used in the present invention, and is a perspective view showing an example of the bucket 15, the water tank 30, the bucket fitting 31, and the packing 32. .

First, a seal 32 for preventing water leakage is passed through an annular projection 39 provided at the bottom of the bucket 15.

Then, it is inserted into an opening provided at the bottom of the water tank 30. A gasket 32 completely seals the space between the water tank 30 and the annular projection 39.

The annular protrusion 39 protruding outward from the bottom opening of the water tank is further passed through the bucket fitting 31, and the engaging protrusion 40 provided on the outer periphery of the tip of the annular protrusion 39 engages with the bucket fitting 31. As a result, the bucket 15, gasket 32, bucket attachment 31, and water tank 30 are fitted and fixed.

Next, the usage conditions of the above embodiment will be explained below.

First, remove the tank lid 25 on the top of the main body, rotate the nozzle 34, and connect the water inlet 33 to the water tank 3.
Inject water into 0.

Then, a paper filter 15a is set in the bucket 15 and ground coffee powder is poured into it. Then, close the tank lid 25 and turn on the power.

Water in the water tank 30 flows from the bottom valve 26 to the check valve 27
The heated water is supplied to the water pipe 6 in the hot plate 4 through the water guide pipe, and the heated water passes through the hot water pipe 21 to which the water pipe 6 is extended, and then the hot water is delivered to the coffee powder from the hot water outlet 20 at the tip of the nozzle 34. It is poured.

As a result, coffee extraction and filtration is performed in the same manner as before.

When removing the water tank 30 after coffee extraction is completed, first rotate the nozzle 34 upwards, and the claw portion 36 provided at the end of the nozzle on the shaft side will rotate.
The water tank 30 is engaged with the collar on the upper part of the outer periphery of the water tank 30, and the water tank 30 is lifted upward. As a result, the joint between the water tank 30 and the main body 1 for supplying water from the water tank 30 to the water pipe 6 is removed, and the water tank 30 is released from the predetermined set state and can be easily removed.

Therefore, according to the above embodiment, the water storage portion of the water tank 30 is formed in the space around the small diameter portion of the funnel-shaped bucket 15, which makes the coffee maker easier to use than when the water tank is separately provided on the side of the coffee maker body. The overall size can be reduced and the structure can be simplified.

In addition, by fitting and fixing the bucket 15 and the water tank 30, it is possible to easily install and remove these equipment with a single touch.
The claw portion 36 provided at the end of the water tank 3
When removing the water tank 30, the water tank 30 can be lifted from the set state to a position where it can be easily removed, further improving operability.

Further, since the bucket 15 and the water tank 30 can be easily removed from the fitted and fixed state, each container can be easily cleaned by removing both when cleaning the containers.

[Effects of the Invention] As explained above, according to the present invention, the space near the outer periphery of the small diameter portion of the bucket can be used without waste as a water reservoir, and the entire coffee maker can be easily miniaturized. .

In addition, the bucket and water tank can be fitted and fixed, and the water tank can be easily removed using the claws provided on the nozzle, making it possible to quickly install and remove these parts. Improved operability during use has been achieved.

[Brief explanation of drawings]

Fig. 1 is a schematic sectional view showing an embodiment of the present invention, Fig. 2 is a perspective view of an embodiment of the coffee maker body of the invention, and Fig. 3 is a bucket and a water tank of the coffee maker of the invention. FIG. 4 is a schematic sectional view of a conventional coffee maker. In the figure, 1 is the main body, 2 is the main body case, 3 is the bottom cover, 4 is the heating plate, 6 is the water pipe, 10 is the glass container, 15 is the bucket, 24 and 30 are the water tanks,
31 is a bucket attachment, 32 is a packing, 34
35 is a nozzle, 35 is a rotating shaft, 36 is a claw portion, 36a is a pawl projection, and 40 is an engaging projection.

Claims (1)

[Scope of Claims] 1. A funnel-shaped bucket that holds a paper filter for coffee filtration, a water tank that stores water for coffee extraction, and a hot water supply that heats water from the water tank and blows it out from the top of the bucket. In the coffee maker, the water tank is fitted with the bucket so as to store water in a space surrounding the bucket. The hot water supply means is provided with a nozzle having one end as a hot water outlet and the other end being pivoted so that the one end can be rotated vertically on the bucket, and the nozzle has a nozzle that has a hot water outlet when rotated. A coffee maker characterized in that a claw portion is provided for engaging a water tank and lifting the water tank to a position where it can be easily removed.