JP2001314325A - Coffee maker - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent the impossibility of grinding coffee beans due to a difference in the degree of roasting the coffee beans. SOLUTION: The coffee maker is provided with a coffee bean grinding chamber housing a cutter driven by a motor 6 and detachable vessels 45a and 45b mounted in such a manner as to be able to be attached to/detached from a main body. The opening parts 46a and 46b of the detachable vessels 45a, 45b communicate with the grinding chamber and have different opening areas. Either of the detachable vessels 45a and 45b is selectively mounted on the main body. Consequently, a user can select either of the detachable vessels 45a and 45b in order to easily change the opening areas of the opening parts 46a and 46b and reliably grind the coffee beans different in the degree of roasting the coffee beans.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a coffee machine with a coffee bean crusher.

[0002]

2. Description of the Related Art In recent years, the number of coffee lovers has increased, and the use of coffee boilers with coffee bean crushers that can easily extract coffee at home or at work has increased.
FIG. 4 is an external perspective view of a conventional coffee machine.
FIG. 5 is a sectional view of a main part of the upper body.
4 and 5, reference numeral 101 denotes a coffee bean storing unit, 10
2 is a coffee bean crushing room, 103 is a coffee bean storage unit 10
1 is an opening for connecting the coffee bean crushing chamber 102 with the crushing chamber 1. 1
Reference numeral 08 denotes a motor for driving a cutter 109 for grinding coffee beans. Reference numeral 104 denotes an extraction unit, 105 denotes a water container, and 106 denotes a coffee container for storing the extracted coffee. In addition, a heating unit (not shown) for heating the water in the water container 105 to hot water and for keeping the coffee warm after the coffee is extracted is accommodated in a lower portion of the main body 107.

[0003]

However, in the above-mentioned conventional configuration, the coffee beans may not be pulverized properly depending on the roasting degree of the coffee beans used. In other words, if the opening 103 is too large, the lightly roasted coffee beans are likely to be excessively supplied to the coffee bean crushing chamber 102, so that the coffee beans may be rotated around with the cutter 109 and the coffee beans may not be crushed.

[0004] In addition, the roasted coffee beans have a low fat content on the surface of the coffee beans, so that the slip of the coffee beans is reduced.
When the size of the opening 103 was insufficient, the supply to the coffee bean crushing chamber 102 was stopped, and a problem that the coffee beans could not be crushed occurred.

In order to solve the above problem, the opening 103
A configuration in which the adjusting wall 110 for adjusting the size of the opening area of the coffee bean is easily conceivable in the coffee bean storage unit 101 can be easily considered.
There is a problem that the coffee bean fine powder is stuck in the gap between the coffee beans, that is, the coffee bean fine powder adheres due to the steam at the time of coffee extraction, and the operation between the adjusting walls 110 becomes hard.

An object of the present invention is to solve the above-mentioned conventional problems, and an object of the present invention is to provide a coffee stove with a coffee bean crushing apparatus which is not affected by the roasting degree of coffee beans.

[0007]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention provides a detachable container having different sizes of openings from the detachable container for storing coffee beans to the coffee bean crushing chamber depending on the roasting degree of the coffee beans. A plurality of coffee beans are provided, whereby coffee beans can be crushed reliably.

[0008]

DETAILED DESCRIPTION OF THE INVENTION In order to solve the above-mentioned problems, the invention according to claim 1 is provided with a coffee bean crushing chamber having a built-in cutter driven by a motor and a coffee bean crushing chamber provided detachably from a main body. And a plurality of detachable containers having different opening areas of the openings, and one of the detachable containers is selected and attached to the main body. Thereby, the user can easily change the size of the opening area of the opening by selecting the detachable container, and can surely pulverize coffee beans having different roasting degrees.

According to a second aspect of the present invention, there is provided a water container, hot water supply means having heating means, a coffee bean storage chamber located below a hot water supply section of the hot water supply means, and an opening path of the coffee bean storage chamber. And a coffee bean crushing chamber having a built-in cutter driven by a motor, which is formed integrally with the coffee bean storage chamber, and an opening smaller than an opening path of the coffee bean storage chamber. In the coffee bean storage room. Thereby, even when the detachable container is used, the hot water supplied from the hot water supply unit can wash away the fine coffee powder remaining in the detachable container after crushing the coffee beans, thereby eliminating the trouble of washing and improving the usability. .

[0010]

Embodiments of the present invention will be described below with reference to the drawings.

(Embodiment 1) FIG. 1 is an external perspective view of a coffee machine of the present invention.
As shown in the figure, the main body is composed of a lower main body 1 and an upper main body 2, and has a water container 3 and a coffee container 4. In the upper main body 2, coffee bean crushing means, coffee extracting means, and other essential parts are configured. Built-in.

FIG. 2 is a longitudinal sectional view showing a main part mainly incorporated in the upper main body 2 of FIG. 1. Reference numeral 41 denotes a coffee bean crushing chamber, which has a cutter 43 driven by the motor 6, and has a predetermined portion at the bottom. And a mesh filter plate 8 having micropores formed on the entire surface. The coffee bean pulverizing chamber 41 is formed integrally with a substantially conical coffee bean accommodating chamber 40 and communicates with an opening path 44 provided at the bottom. When the coffee beans are pulverized, the pulverized powder is kicked out by the cutter 43 to prevent the beans in the coffee bean storage chamber 40 from continuing to flow into the coffee bean pulverization chamber 41.

Reference numeral 45 denotes a detachable container for storing coffee beans having an opening 46 which is substantially similar in shape to the coffee bean storage chamber 40 and has a smaller opening area than the opening path portion 44. A hot water outlet 32 serving as a hot water supply unit is provided at an upper portion of the coffee bean storage room 40, and the inflow of the discharged hot water into the motor 6 is prevented by the waterproof packing 12, and 13 is a mounting bracket 14 made of a vibration-proof rubber. Absorbs the vibration of the motor 6 transmitted through the motor. The discharge port 32 is set to be higher than the upper end surface of the detachable container 45. Reference numeral 15 denotes a main body upper cover, reference numeral 16 denotes a coffee bean input port, and reference numeral 17 denotes an input port lid for covering the same. The upper surface of the input port 16 projects in a dome shape, and hot water discharged to the coffee bean storage chamber 40 receives the hot port lid. In order to prevent leaching from the gap between the inlet 17 and the inlet 16, a cylindrical rib 18 is formed in the inner peripheral portion.

A steam port 20 provided with a rib 19 is formed in the input port 16, and a cylindrical section 2 is provided at one end thereof.
1 is formed, and correspondingly, a fitting projection 22 and a projection 24 along an arc portion 23 on the outer edge of the end face are formed on the main body cover 15 to form a hinge portion between the charging port lid 17 and the upper main body cover 15. Have been. Reference numerals 25 and 26 denote waterproof seals for preventing vibration from entering the main body, and also between the upper main body cover 15 and the joint between the lower part of the coffee bean crushing chamber 41 and the upper main body 2. The interposed and elastically fixed coffee beans grinding chamber 41 is fixed to the upper body 2 of the coffee machine directly or via the body cover 15.

The mesh filter plate 8 is formed integrally with a filter retainer 27 which is easily attached to and detached from the upper main body 2 to facilitate maintenance after use.

Reference numeral 28 denotes a coffee extraction chamber and an extraction chamber lid 29.
A guide portion 30 is formed on the side surface of the upper main body 2 to lift the extraction chamber 28 obliquely upward when inserted into the guide rib 33 of the upper main body 2. A powder seal 31 made of an annular elastic body having an inverted U-shaped cross section is formed integrally with the extraction chamber lid 29. When the extraction chamber 28 is inserted into the upper main body 2, the filter seal 27 is elastically fitted to the end face of the filter holder 27, thereby forming a coffee. Leaks of fine powder and hot water are prevented.

The present invention has the above-described essential configuration. The water in a water container not shown in FIG. 2 is changed to hot water by a heating means not shown in the drawing, and the hot water is converted into the coffee bean storage chamber 40 or The coffee is extracted from the ground coffee beans in the extraction chamber 28 by discharging from the discharge port 32 opened in the detachable container 45.

Since the present invention is configured as described above, the user selects beforehand whether or not there is a detachable container 45 depending on the degree of roasting of the beans at the time of inputting the coffee beans, and then closes the input lid 17 to add water to the water container 3. Is set in the lower body 1 and coffee extraction is started, the motor 6 starts rotating, and the beans in the coffee bean storage chamber 40 or the detachable container 45 are supplied to the coffee bean crushing chamber 41 in a supply path. Secured
The coffee beans are introduced into the coffee bean pulverizing chamber 41 to pulverize the coffee beans, and the pulverized coffee beans can be supplied to the extraction chamber 28 through the mesh filter plate 8. The water in the water container is changed to hot water by a heating means by a timer operation or the like, and the outlet 32 is inserted into the coffee bean storage chamber 40 or the detachable container 45.
And coffee is extracted. The extracted coffee is stored in the coffee container 4. At this time, since the discharge port 32 is set at a position higher than the upper end portion of the detachable container 45, the coffee beans fine powder generated at the time of pulverizing the coffee beans flows into the extraction chamber 28 regardless of the presence or absence of the detachable container 45. Can be.

As shown in FIG. 3, the same effect can be obtained by using two detachable containers 45a and 45b for storing coffee beans having openings 46a and 46b having different opening areas. . In this embodiment, the opening area of the opening 46a is set to be larger than that of the opening 46b. Reference numeral 47 denotes a knob used for attachment and detachment.

[0020]

As apparent from the above embodiment, claim 1
According to the invention, the size of the opening area of the opening can be easily switched by the user selecting one of the plurality of detachable containers, and coffee beans having different roasting degrees can be surely obtained. Be able to crush.

According to the second aspect of the present invention, even when the detachable container is used, the fine powder of coffee remaining in the detachable container after the coffee beans are crushed can be washed away by the hot water supplied from the hot water supply unit, and the time and effort for washing can be reduced. And the usability can be improved.

[Brief description of the drawings]

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

FIG. 2 is a sectional view of a main part of an upper main body of the coffee machine.

FIG. 3 is a sectional view of a main part of an upper main body of a coffee brewer showing another embodiment of the present invention.

FIG. 4 is an external perspective view of a conventional coffee machine.

FIG. 5 is a sectional view of a main part of an upper body of a conventional coffee machine;

[Explanation of symbols]

 3 Water Container 6 Motor 7 Cutter 32 Discharge Port (Hot Water Supply Unit) 40 Coffee Bean Storage Room 41 Coffee Bean Crushing Room 44 Opening Route 45 Detachable Container 45a Detachable Container 45b Detachable Container 46 Opening 46a Opening 46b Opening

Claims (2)

[Claims] 1. A coffee bean crushing chamber having a built-in cutter driven by a motor, and an opening provided detachably from a main body and communicating with the coffee bean crushing chamber,
A coffee brewing machine comprising: a plurality of detachable containers having different opening areas of the opening, wherein one of the detachable containers is selected and attached to a main body. 2. A water container, hot water supply means having heating means,
A motor driven cutter integrally formed in the coffee bean storage chamber, which communicates with the coffee bean storage chamber located below the hot water supply unit of the hot water supply means via an opening path of the coffee bean storage chamber; And a coffee bean crushing chamber having a built-in container, and a detachable container having an opening smaller than an opening path of the coffee bean storing chamber in the coffee bean storing chamber.