JPS6038437Y2 - coffee grinder - Google Patents

Description

[Detailed Description of the Invention] The present invention relates to a coffee grinder that grinds coffee beans by rotating a cutter disposed within a case.

Conventional coffee makers, which are a type of coffee grinder, are generally available in small sizes suitable for standard households, for example, for four people. When a cutter is required, for example, it must be manufactured in two parts.For this reason, recently, the production of a large-sized one for multiple people, for example eight people, with a larger case and cutter than the above-mentioned one for four people, has been considered. However, if you try to make coffee for a small number of people using such a large machine, the amount of coffee beans will be too small compared to the volume of the case, and the coffee beans will grow above the top. A surplus space is formed, and when the coffee beans are crushed by the cutter, they are thrown upward by the cutter and scattered into the surplus space.
A possible problem is that the coffee beans do not contact the cutter efficiently, resulting in unground coffee beans remaining.

The present invention was developed in view of the above circumstances, and its purpose is to provide a coffee grinder that can grind coffee beans effectively and uniformly regardless of the amount of coffee beans housed in a case. be.

An embodiment in which the present invention is applied to a coffee maker, which is a coffee crusher equipped with a hot water supply function, will be described below with reference to the drawings.

Reference numeral 1 denotes a container body with a flat base part 2, a motor storage chamber 3 and a cup mounting part 4 are formed in the left and right halves of the lower part, and a case is provided in the left and right halves of the upper part. A storage chamber 5 and a water storage tank 6 are provided.

The bottom of the case storage chamber 5 has an inclined surface that gradually descends toward the right end, and an opening 7 is formed at the lowest part thereof, and a hole 8 is formed approximately in the center of the bottom.

Reference numeral 9 denotes a drive motor disposed within the motor storage chamber 3, and its rotating shaft 10 projects into the case storage chamber 5 through the hole 8.

Reference numeral 11 denotes a case, which is constructed by connecting the lower end of a cylindrical peripheral wall body 13 to a receiver 12.

The bottom of the receiver 12 forms an inclined surface along the bottom of the case accommodation chamber 5, and a discharge port 14 is formed at the lowest part thereof, and an insertion tube 15 is formed as a protrusion approximately in the center. has been done.

Further, first engagements i16.16 are formed on the inner circumferential wall surface 13a of the circumferential wall body 13 so as to be located at the upper end and face each other. The second bonds 117 are oriented and opposite each other.
．． 17 are formed, and these engaging grooves 16, 16 and 17, 17 are set to be offset from each other by approximately 900 degrees.

18 is a filter support having a large number of liquid passage holes 19;
An insertion tube 20 is formed to protrude from approximately the center thereof.

21 is a mesh filter supported by this filter support 18.

The filter 21 and filter support 18 are attached to the inner lower part of the case 11.

Reference numeral 22 designates a cutter having a boss portion 23 whose lower surface is open at the center, and main blades 24, 24 are formed at both ends of the boss portion 22 by vertically bending the boss portion 23.
By cutting and raising the part located closer to the center than 4, an auxiliary blade of 25.25 shape is created.

The boss portion 23 of this cutter 22 is connected to the insertion tube 20.
It is fitted and connected to a rotating shaft 10 located inside.

Reference numeral 26 denotes a lid having a substantially cylindrical shape with a bottom, the bottom wall of which is formed in an arc shape that swells from the outer peripheral end toward the center, and the lower surface serves as a guide surface 27. Engagement protrusions 28, 28 are provided to protrude outward, and an annular wall portion 29 is provided approximately in the center of the bottom wall, and inside this howling wall portion 29, there is a pouring hole. A hole 30 is formed.

This lid 26 has its engagement protrusions 28, 28 connected to the first engagement groove 16, 16 or the second engagement groove 1 of the case 11.
7.17, the mounting height position can be adjusted in two stages at the upper opening of the case 11.

A cup 31 is placed on the top surface of the base portion 2 and stored in the cup placement portion 4 of the container 1, and the mouth portion 31a of this cup is located below the discharge port 14.

Reference numeral 32 denotes a discharge pipe for hot water supply function, the upper end of which is located above the case 11.

Here, the hot water supply mechanism heats the water supply pipe (not shown) led out from the water storage tank 6 and communicated with the discharge pipe 32 with a heater (not shown) provided inside the right half of the base part 2. It is configured to discharge hot water from 32.

Next, the operation of this embodiment with the above configuration will be described.

First, when producing a large amount of coffee for a large number of people, for example 8 people, first pour water for 8 people into the water storage tank 6, store the corresponding amount of coffee beans in the case 11, and then close the lid. Insert the engagement protrusion 28.28 into the first engagement groove 16.16 from above to engage the step portions 16a, 16a, and then! 26 is attached to the upper part of the case 11 in a high position so as to close the upper opening.

In this case, even if the lid 26 is at a high position in the case 11, a large amount of coffee beans for eight people is stored in the case 11, so that the lower surface of the lid 26 can be connected from the top of the coffee beans. The distance to the surface 27 is appropriate, and no unnecessary extra space is formed above the top of the coffee beans.

Then, when the drive motor 9 is started, the rotating shaft 10 and the cutter 22 rotate, and the coffee beans are transferred to the main blade 24 and the auxiliary blade 25.
crushed by.

Then, the crushed coffee beans are guided by the rotational centrifugal force of the cutter 22 to the inner peripheral surface of the case 11 and the guide surface 27 of the lid 26, and fall toward the center of the cutter 22, and this process is repeated continuously. This is why it is called coffee powder.

On the other hand, when producing a small amount of coffee for the number of professionals, for example four people, water for four people is poured into the water storage tank 6, coffee beans corresponding to the amount are stored in the case 11, and then the lid is closed. 2
The engaging protrusions 28, 28 of No. 6 are inserted into the second engaging grooves 17° 17 from above and engaged with the step portions 17a, 17a, whereby the lid 26 is inserted into the middle portion of the case 11, which is the bottom membrane position. Attach it to substantially close the top opening.

In this case, only a small amount of coffee beans for four people are stored in the case 11, but since the lid 26 is at a low position in the case 11, the guide surface 27 of the lid 26 can be accessed from the top of the coffee beans.
The distance between the bars is also appropriate, and unnecessary surplus space is not formed above the top of the coffee beans.

Then, when the drive motor 9 is started, the cutter 22 rotates according to the rotating shaft 10, and the coffee beans are cut into the main blade 24 and the auxiliary blade 2.
crushed by 5.

Then, the crushed coffee beans are guided by the centrifugal force of the rotation of the cutter 22 and are guided by the inner peripheral surface of the case 11 and the guide surface 27 of the lid 26, and fall toward the center of the cutter 22, and are turned into coffee powder.

When the grinding of coffee beans for eight or four people is completed as described above, the drive motor 9 is stopped and the heater of the hot water supply mechanism is turned on to generate heat.

Then, the water in the water storage tank 6 is turned into hot water and is supplied into the case 11 from the discharge pipe 32 through the pouring hole 30 of the lid 26 .

Then, the hot water permeates into the coffee powder, is filtered by the filter 21, and is extracted as coffee liquid, which is received by the receiver 12 through the liquid passage hole 19, and flows along the bottom of the receiver 12 to the discharge port 1.
4 is dripped and stored in the cup 31.

2, according to this embodiment, the engagement protrusion 28 of the lid 26,
By engaging 28 with the first engagement groove 16° 16 or the second engagement groove i17, 17 of the case 11, the lid 26 can be placed in the upper part of the case 11 in a high position or in the middle part in a low position. Since the height of the tier is adjustable, the M26 can be attached to the upper part of the case 11 when the coffee beans are large enough to serve, for example, 8 people, and when the coffee beans are small enough to serve, for example, 4 people. The lid 26 can be selected to be attached to the middle part of the case 11, so that an unnecessary extra space is formed above the top of the coffee beans, whether the coffee beans are large or small. Unlike the conventional method, the coffee beans crushed by the cutter 22 can be prevented from scattering into unnecessary surplus space.
2, the coffee beans can be effectively and uniformly ground regardless of the amount.

Moreover, according to this embodiment, in addition to the main blade 24, the cutter 22 has an auxiliary blade 25 located closer to the center than the main blade 24, and is cut and raised.
Since the structure is such that the coffee beans protrude from each other, it is possible to efficiently crush the coffee beans in the center side of the case 11, and there is an advantage that the coffee beans can be crushed even more effectively.

By the way, when attempting to effectively grind a small amount of coffee beans using a large-sized device that accommodates and grinds a large amount of coffee beans like the one in this example, the lid attached to the top opening of the case (in this example) It is also possible to removably attach a scattering prevention plate to the middle part of the case (corresponding to the high position in the example) to prevent coffee beans from scattering upward.
In such a case, not only is it troublesome to attach and detach the scattering prevention plate, but there is also a risk that the scattering prevention plate may come off and fall due to the impact caused by the impact of the coffee beans.

However, according to this embodiment, the engaging protrusion 2 of the lid 26
8.28 into the first engagement grooves 17, 17 or the second engagement grooves 18, 18 of the case 11 from above and remove the stepped portion 17.
a, 17a or 18a, 18a, it is extremely easy to adjust the height position of the lid 26, and there is no risk of the lid 26 falling.

In the above embodiment, the engagement groove 17.1 is formed on the inner peripheral surface of the case 11.
7, 18, and 18 are formed, but the angles may be further shifted to form multiple rows of engagement grooves with different height positions to accommodate various numbers of people.

Further, in the above embodiment, the cutter 22 has a main blade 24 and an auxiliary blade 25.
However, for example, a main cutter having a blade similar to the main blade 24 and an auxiliary cutter having a blade similar to the auxiliary blade 25 may be provided at different heights or angles, and the same shape may be used. The two cutters may be provided at different angles.

In addition, the present invention is not limited to the embodiments described above and shown in the drawings, and can be implemented with various modifications without departing from the gist, such as being applicable not only to a coffee maker but also to an entire coffee crusher.

As explained above, the present invention has a structure in which a lid that closes the top opening is attached to the case so that its height and position can be adjusted. It is possible to provide a coffee pulverizer that can effectively and uniformly pulverize coffee even in the case of coffee.

[Brief explanation of drawings]

The drawing shows an embodiment in which the present invention is applied to a coffee maker,
FIG. 1 is a longitudinal side view, and FIG. 2 is a perspective view of the main parts. In the figure, 1 is the vessel body, 9 is the drive motor, 10 is the rotating shaft, 11
is a case, 16 is a first retaining groove, 17 is a second engaging groove,
22 is a cutter, 24 is a main blade, 25 is an auxiliary blade, 26 is a lid,
28 indicates an engaging protrusion.

Claims (1)

[Scope of utility model registration request] A case provided in the container body, a cutter arranged in the case and rotated by a drive motor to crush coffee beans, and a cutter mounted on the case so as to be adjustable in height and position so as to close an opening on the upper surface of the case. A coffee grinder equipped with a lid and a lid.