JPH0632035Y2 - Beverage making machine - Google Patents

Description

[Detailed Description of the Invention] [Object of the Invention] (Field of Industrial Application) The present invention relates to a so-called siphon type beverage maker.

(Prior Art) A coffee extractor is well known as a siphon type beverage manufacturing machine, and a conventional configuration thereof will be described with reference to FIG.
Reference numeral 1 denotes a flask-shaped water storage container, the neck portion of which is suspended and supported by a gripping arm 3 of a container stand 2. Reference numeral 4 denotes an extraction container in which a water pipe 5 is integrally formed on the bottom thereof, and a filter 6 is attached to the upper portion of the water pipe 5. An electric heater 7 heats the water in the water storage container 1.

The operation of this coffee extractor is as follows. That is, the coffee powder is first charged into the extraction container 4, water is injected into the water storage container 1, and the water pipe 5 of the extraction container 4 is inserted into the water storage container 1 as shown in the figure. Both are fitted airtightly. After that, when the electric heater 7 is energized, the vapor pressure in the water storage container 1 rapidly rises as the water boils, and the hot water in the water storage container 1 is pushed up through the water pipe 5 by this pressure. At that time, the coffee powder on the filter 6 is immersed in hot water to extract the coffee. After that, when the electric heater 7 is de-energized, the pressure in the water storage container 1 decreases as the temperature in the water storage container 1 decreases. Therefore, the coffee liquid in the extraction container 4 receives the filtering action of the filter 6 due to gravity, and the coffee liquid in the water storage container 1 Returned to. Therefore, the extraction container 4 may be removed and the coffee liquid in the water storage container 1 may be poured into the cup.

(Problems to be solved by the invention) Since coffee powder is light, when the hot water rises in the brewing container 4, the coffee powder in the brewing container 4 tends to float on the surface of the water due to the surface tension of the hot water. is there. For this reason, there has been a problem that the coffee powder is not sufficiently immersed in hot water and the extraction of coffee is insufficient. To solve this, the user may stir the hot water in the extraction container 4 with a spoon or the like.
This takes a lot of work and makes usability worse.

The present invention has been made in view of the above circumstances, and therefore an object thereof is to prevent the floating of raw materials such as coffee powder in an extraction container without the user's trouble, and to improve both usability and extractability. It is to provide a beverage manufacturing machine that can be improved.

[Structure of the Invention] (Means for Solving the Problems) In the beverage manufacturing machine of the present invention, an agitator that rotates by the flow of hot water rising in the brewing container is provided in the brewing container. It is a feature.

(Operation) When the water in the water storage container is heated by the heat source to bring it to a boil, the vapor pressure in the water storage container rapidly rises, and the hot water in the water storage container passes through the water pipe and the filter and is pushed up into the extraction container. At that time, the stirring body in the extraction container causes a rotational movement due to the flow force of the hot water pushed up. Since the hot water in the extraction container is agitated together with the raw material such as coffee powder by this rotational movement of the rotating body, the raw material is surely immersed in the hot water.

(Embodiment) An embodiment in which the present invention is applied to a coffee extractor will be described below with reference to FIGS. 1 and 2. First, in FIG. 1 showing the overall configuration, 11 is a flask-shaped water storage container into which water for making coffee liquid is poured, and a spout 12 is provided at the upper end and a handle 13 is provided at the side. When the water storage container 11 is used, it is placed on the electric heater 16 as a heat source assembled to the base portion 15 of the main body 14. Reference numeral 17 denotes an extraction container for leaching a water-soluble component (extract) contained in coffee grounds into hot water, and a water pipe 18 is integrally formed at the bottom of the extraction container 17.
When the conical outer wall surface of the bottom of the water storage container 11 is fitted to the spout 12 of the water storage container 11 via the annular packing 19, the lower end of the water passage 18 is located close to the bottom inner wall surface of the water storage container 11 as shown in FIG. Occupy Reference numeral 20 denotes a disk-shaped filter mounted on the bottom of the extraction container 17 as described below, and has a mounting hole 20a at the center as shown in FIG. Reference numeral 21 denotes a support member of the filter 20, which has a disk shape having substantially the same diameter as that of the filter 20. The water passage holes 21a are scattered over the entire surface thereof, and the male screw portion 22 is provided at the center of the upper surface side. Further, hooking portions 23 are provided at the central portion on the lower surface side, respectively. In the filter 20, the mounting hole 20a has a male screw portion 22
It is attached to the upper surface of the filter support member 21 in a state of being inserted into the filter support member 21. On the other hand, in FIG. 1, reference numeral 24 is a locking spring for pressing and fixing the filter supporting member 21 to the funnel-shaped bottom wall surface of the extraction container 17, the upper end side bent portion 24a of which is hooked on the hook portion 23, Also, the lower bent portion 24b
The lower end of the water pipe 18 is hooked.

Now, 25 is an agitator made of a lightweight material such as plastic, for example, and is constituted by a plurality of blades 26 radially protruding from the boss portion 27. On the other hand, 28 is the agitator 2
5 is a support shaft that rotatably supports, and a female screw portion 29 and a radial protrusion 30 are formed on the lower end side thereof as shown in FIG.
The female screw portion 29 is used as the male screw portion 2 of the filter support member 21.
The support shaft 28 is fixed to the filter support member 21 by being tightened to 2, and the filter 20 is sandwiched between the radial protrusion 30 and the filter support member 21. A spherical engagement portion 31 is formed on the upper end of the support shaft 28. Correspondingly, the spherical shaft hole 32 formed in the boss portion 27 of the stirring body 25 is rotatably engaged with the spherical engagement portion 31, whereby the stirring body 25 is rotatably supported by the support shaft 28. Has been done. A tapered surface 33 that expands downward is formed on the lower side of the shaft hole 32 to facilitate the pushing of the spherical engagement portion 31 into the shaft hole 32. Thus, in this embodiment, the outer diameter dimension of the stirring body 25 (the length dimension of the blade 26) is set so that the rotating area of the stirring body 25 is larger than that of the filter 20.

On the other hand, 34 is a temperature sensor provided so as to contact the extraction container 17, and this temperature sensor detects the rise of hot water into the extraction container 17. 35 is a cooling fan for the water storage container 11, 36 is a mill motor arranged above the cooling fan 35, 37 is a mill case detachably mounted above the mill motor, and a cutter 38 driven by the mill motor 36 is provided on the inner bottom portion thereof. It is arranged. And mill case 3
A mill filter 39 for passing coffee powder on the side wall of 7,
A guide cover 40 that guides the coffee powder into the extraction container 17 is provided. Reference numeral 41 is a lid of the mill case 37, and 42 is a lid of the main body 14.

Next, the operation of the above embodiment will be described. First, the filter 20
And the filter support member 21 with the agitator 25 attached is set in the extraction container 17, a desired amount of water is injected into the water storage container 11, and both containers 11 and 17 are fitted together as shown in FIG. 14 is mounted on the electric heater 16. On the other hand, put coffee beans into the mill case 37 to cover the lid 41,
After closing 42, the operation knob 43 of the mill timer
Is operated to start the mill motor 36, the cutter 38
Rotates and the coffee beans are crushed. The coffee grounds thus generated successively pass through the mill filter 39 and fall on the filter 20 in the extraction container 17 to accumulate. When this crushing is completed, the mill timer is operated by the mill motor 3
The power supply to 6 is automatically cut off, and the power supply to the electric heater 16 is started. When the water in the water storage container 11 heated by the electric heater 16 starts to boil, the water storage container 1
The vapor pressure in 1 rapidly increases, and the hot water in the water storage container 11 starts to be pushed up into the extraction container 17 by passing through the water pipe 18 and the filter 20 due to this vapor pressure. At this time, since the coffee powder accumulated on the filter 20 is lightweight, a considerable part of the coffee powder tends to float on the surface of the water due to the surface tension of the hot water. However, in this case, when the surface of the water gradually rises and starts to contact the blade 26 of the stirring body, a part of the coffee powder floating on the surface of the water abuts on the blade 26 and is prevented from floating, and is submerged in the water. To be At this time, the blades 26 start to rotate due to the flow of hot water that keeps rising in the extraction container 17, so that the coffee powder remaining on the hot water surface is stirred by the blades 26 together with the hot water and is submerged in the hot water. This ensures that the coffee grounds are prevented from floating and the entire coffee grounds is immersed in the hot water. In this embodiment, the outer diameter of the agitator 26 is set to be larger than the outer diameter of the filter 20, so that the blades 26 are more likely to receive the flow force of the hot water rising through the filter 20, and the rotational movement of the blades 26 is increased. Is more favorably performed and an excellent stirring effect (a coffee powder lifting prevention effect) is obtained. In this way, since the coffee grounds are entirely immersed in the hot water by the stirring action of the stirring body, the extract is evenly extracted from the entire coffee grounds. After that, when the hot water in the water storage container 11 has finished rising to the inside of the extraction container 17, this is detected by the temperature sensor 34 and the energization of the electric heater is cut off.
Energization of the cooling fan 35 is started. As a result, the water storage container 11 is cooled rapidly, so that the water storage container 11
The vapor pressure inside is also reduced. Therefore, the coffee liquid generated in the extraction container 17 flows down into the water storage container 11 through the water pipe 18 while being filtered by the filter 20 by gravity. Also at that time, the stirring body 25 is rotated by the downward flow force of the coffee liquid generated in the extraction container 17, so that the stirring effect of bringing the coffee powder into contact with the coffee liquid more sufficiently is generated, and the extract in the coffee powder is extracted. Can be extracted more.

In the above embodiment, the stirring body 25 rotates in the extraction container 17 by the flow of hot water, and the stirring action by the rotation surely immerses the coffee powder in the hot water, so that the extract is evenly extracted from the entire coffee powder. Therefore, coffee extraction can be efficiently performed. Moreover, since the flow force of hot water is used as a drive source for the rotational movement of the stirring body 25, the user does not need to stir with a spoon or the like at all, and the usability is good.

In addition, in the above-described embodiment, since the outer diameter of the stirring body 25 is larger than that of the filter 20, the stirring body 25 is more likely to receive the flow force of the hot water rising through the filter 20.
5 can contribute to the improvement of the rotational movement.

Further, in the above embodiment, the support shaft 28 of the agitator 25 is attached to the filter support member 21 so that the agitator 25 and the filter 20 are integrated with each other. The handling property can be further improved.

In addition, the blades 26 constituting the stirring body 25 shown in the above embodiment
The object of the present invention can be sufficiently achieved even if the shape of each of the bosses 27 and the mounting structure of the stirring body 25 are appropriately changed as necessary. The axial direction of the agitator 25 may take a direction other than the vertical direction.

In addition, the beverage maker according to the present invention is not limited to the above-mentioned coffee extractor, and can be widely applied to other beverage maker such as tea, etc. Can be modified.

[Effects of the Invention] As is clear from the above description, according to the beverage manufacturing machine of the present invention, the stirring container that is rotated by the flow force of the hot water is provided in the extraction container. It is possible to stir the raw material such as coffee grounds and soak the whole raw material in the hot water surely, so that the extract can be evenly extracted from the whole raw material and the beverage can be efficiently extracted. Moreover, since the agitator is configured to rotate using the flow of hot water, the user can save the trouble of agitating with a spoon or the like, and the usability can be improved, and a dedicated motor such as a motor for rotating the agitator can be used. There is also an advantage that a separate drive source is not required.

[Brief description of drawings]

1 and 2 show an embodiment in which the present invention is applied to a coffee extractor. FIG. 1 is a vertical sectional front view, and FIG. 2 is an enlarged cross-sectional view showing exploded main parts. And FIG. 3 is a perspective view showing a conventional example. In the figure, 11 is a water storage container, 14 is a main body, 16 is an electric heater (heat source), 17 is an extraction container, 18 is a water pipe, 20 is a filter, 21 is a filter support member, 25 is an agitator, and 28 is a spindle. is there.

 ─────────────────────────────────────────────────── ─── Continuation of the front page (56) Bibliography SHO 57-8027 (JP, U) ACT 58-138523 (JP, U) ACT 57-173617 (JP, U)

Claims (2)

[Scope of utility model registration request] 1. A water storage container that is heated by a heat source, and an extraction container that is disposed above the water storage container and communicates with the water storage container via a water pipe and a filter. In the one in which the hot water is raised into the extraction container through the water passage pipe and the filter by the increase of the internal pressure of the, in the extraction container, a stirring body that rotates by the flow force of the hot water rising in the extraction container is provided. A beverage manufacturing machine characterized by being provided. 2. The beverage manufacturing machine according to claim 1, wherein the stirring body is dimensioned so that its rotation region is larger than that of the filter.