JPH0114260Y2 - - Google Patents

Description

[Detailed explanation of the idea] [Technical field of invention] The present invention relates to a coffee brewer with a grinder.

[Technical background of the invention and its problems]

Various types of coffee extractors with grinders have been developed and are in practical use. There are two known types of mills: a thin type and a type in which the beans are crushed using grinding blades that rotate at high speed.

In the above-mentioned grinding blade type, the grinding blades are rotated within a grinding container containing coffee beans, so the problem is how to apply driving force to the grinding blades.

In conventional coffee extractors with mills of this type, rotational force is generally applied from below the grinding blades, as seen in Japanese Patent Publication No. 58-325, for example. In this device, the drive shaft of the crushing blades passes through the center of the filter and extends downward, and is rotated by a motor from below. Therefore, in this case, it is necessary to use a special dedicated filter through which the drive shaft can pass vertically.

In other words, because it is not possible to use a simple, disposable paper filter, there are problems such as having to wash the filter every time it is used, and the coarseness of the filter allows fine coffee particles to get mixed into the coffee liquid. Ta.

In order to solve the above drawbacks, the crushing blades can be rotated from above the filter so that commercially available disposable paper filters can be used, but as mentioned above, in the crushing blade type mill, the crushing blades are inside the crushing container. Because of this, if the drive shaft is placed above, it becomes impossible to easily attach and detach the crushing container, leading to the problem that it becomes extremely difficult to use.

[Purpose of invention]

The present invention was developed based on the above-mentioned circumstances, and its purpose is to make it possible to use disposable filters that are easy to handle, such as paper filters, and to make it possible to use a mill with a grinding container that can be easily attached and detached. Our goal is to provide you with a coffee brewer.

[Summary of the idea]

The gist of the present invention is that it has a built-in hot water supply mechanism and a motor for driving the crushing blades, has an overhang that extends in the horizontal direction, and has an overhang on the lower side of the overhang that is rotated by the motor. The main body is equipped with a joint that is attached to the main body, a crushing container with a built-in crushing blade, and a filter container located below the crushing container, and a joint holder for driving the crushing blade that can be engaged with and detached from the joint in the vertical direction. an elevating member provided on the main body so as to be movable up and down and supporting the extracting unit; and a locking means for raising and fixing the elevating member to a position where the joint receiver connects to the joint. This is because we have the necessary equipment.

The present invention with the above structure allows the extraction unit to be easily moved horizontally to the main body without the joint getting in the way by lowering the lifting member and separating the joint holder from the joint when attaching and detaching the extraction unit to the main body. It can be easily removed or installed horizontally.

Further, by raising the lifting member with the extraction unit supported by the lifting member and fixing it by the locking means, the crushing blades can be rotationally driven from above via the joint and the joint receiver. Therefore, there is no need to pass the drive shaft through the filter, and there is no need to use a special filter (for example, a metal mesh). Therefore, commercially available disposable paper filters can be used, making handling extremely simple. In addition, by using a paper filter, fine coffee powder is not mixed into the liquid, and a delicious coffee liquid without cloudiness can be obtained.

[Example of idea]

An embodiment of the present invention will be described below with reference to FIGS. 1 to 3. In FIG. 1, numeral 1 indicates the main body. This main body 1 includes a synthetic resin housing 3 equipped with a support base 2, a water storage tank 4 provided in the housing 3, a hot water supply mechanism 5 built in the housing 3, and a motor 6 for driving the crushing blades. It is configured. Furthermore, an overhang portion 1a is provided on the upper part of the main body 1 so as to extend in the horizontal direction so as to be spaced apart from and opposite to the support base 2.

The hot water supply mechanism 5 includes a heater 8, a water supply pipe 9,
It consists of a hot water supply pipe 10, a hot water outlet 11, etc., and a heat resistant seal member 12 is attached to the hot water outlet 11. Further, a check valve 13 is provided between the water storage tank 4 and the water supply pipe 9. In addition, the support stand 2
A coffee liquid storage container 14 is placed therein.

Further, a joint 16 is rotatably supported on the lower surface side of the overhanging portion 1a. This joint 16 is connected to pulleys 18 and 19 as an example of a power transmission mechanism 17.
It is rotationally driven by a motor 6 via a belt 20. Note that a power transmission mechanism using gears may be used, or the power transmission mechanism may be omitted and the joint 16 may be directly rotated by a motor.

On the other hand, numeral 22 in the figure is an extraction unit constructed separately from the main body 1. This extraction unit 22
is a coffee bean grinding container 23 equipped with a lid part 23a.
and a filter container 24 that is removably fitted to the lower side of the crushing container 23. A crushing blade 25 is rotatably supported by the lid portion 23a. The above-mentioned joint 16 is attached to this crushing blade 25.
A joint receiver 26 is provided which can be engaged and detached from above and below.

Further, a pulverized particle size adjusting member 30 having a large number of through holes is disposed below the pulverizing blades 25 . Further below, a hot water diffusion member 31 is arranged. The hot water diffusion member 31 communicates with a hot water pipe 32 extending in the vertical direction. The pouring port 33 located at the upper end of the hot water pipe 32 is connected to the hot water discharge port 11.
It is designed so that it can be fitted from below.

Further, a commercially available disposable paper filter 34 is accommodated in the filter container 24.

The extraction unit 22 has an elevating member 35
It is becoming increasingly popular. This lifting member 3
5 is a vertical guide part 36, 3 provided in the main body 1;
It is attached to the main body 1 so that it can move up and down along the line 6. This elevating member 35 has a pair of arm parts 35a and 35b spaced apart from each other in the left and right, and on the mutually opposing surfaces of the arm parts 35a and 35b, a horizontal support part 37 provided on the extraction unit 22,
37 can be fitted from the horizontal direction
8,38 are formed. The receiving part 38, 3
8 may be a groove formed in the horizontal direction as in the illustrated example, but instead of a groove, a protruding strip is formed, and this protruding strip is formed in a horizontal groove formed on the side wall of the extraction unit 22. Even if they are fitted, it is substantially the same.

As illustrated in FIG. 3, the elevating member 35 is always urged upward by the elastic force of the spring 40. The cam follower 4 provided on the drive member 42 is attached to the cam surface 41 formed on the elevating member 35.
3 are facing each other.

The drive member 42 rotates in the vertical direction around a shaft 45, and includes an operating lever 46, the cam follower 43, a lock hole 51 forming part of a locking means 50 to be described later, and a release operation. child 52.

The relationship between the cam surface 41 and the cam follower 43 is when the operating lever 46 is laid down horizontally (see Figure 1).
In this case, the cam surface 41 is not pushed down substantially,
Further, the dimensions and positional relationship are set such that when the operating lever 46 is rotated upward as shown in FIG. .

Note that when the extraction unit 22 is fully pushed horizontally into the elevating member 35, the length of the grooves in the receiving portions 38, 38 may be adjusted so that the hot water outlet 11 correctly faces directly above the pouring port 33. , or the position of the wall portion 35c of the elevating member 35 is set.

The locking means 50 has the function of fixing the elevating member 35 in the raised position, that is, in the state in which the operating lever 46 is laid down horizontally. That is, in the case of this embodiment, the locking means 50 includes a locking member 53 provided on the overhanging portion 1a so as to be protrusive and retractable, a spring 54 biasing the locking member 53 in a direction to project, and a locking member 54 provided on the operating lever 46. It is comprised of a release operator 52 that can be operated in a direction to push back the locking member 53, a lock hole 51, and the like.

Additionally, a safety switch (not shown) is provided that allows the electric circuits of the motor 6 and the like to be turned on only when the operating lever 46 is turned horizontally. In addition, in FIG. 1, 60 in the figure is a timer knob;
1 is a start switch.

Next, the operation of the apparatus of the above embodiment will be explained.

First, with the extraction unit 22 removed from the main body 1, the paper filter 34 is placed on the filter container 24, and the crushing container 23 is placed on top of it. Further, the lid 23a is opened, beans are placed on the particle size adjustment member 30, and the lid 23a is closed.

Then, as shown in FIG. 2, with the elevating member 35 lowered, the supporting parts 37, 37 are fitted into the receiving parts 38, 38, and the extraction unit 22 is pushed fully in the horizontal direction. Next, when the operating lever 46 is rotated and lowered as shown in FIG.
Spring 4 moves in the direction of releasing the pressure on
The lifting member 35 rises due to the zero repulsive force. Then, the pouring spout 33 fits into the hot water outlet 11 from below to stop the extraction unit 22 from moving, and the joint receiver 26 engages with the joint 16, and the safety switch is closed. Furthermore, the locking member 53 engages with the lock hole 51, and the operating lever 46 is fixed.

Note that the water storage tank 4 is filled with water, and the coffee liquid storage container 14 is placed on the support stand 2.

After completing the above preparations, turn on the start switch 6.
1 and rotate the motor 6. motor 6
The rotation is transmitted to the crushing blade 25 via the joint 16 and the joint receiver 26, and the coffee beans are crushed by the rotation of the crushing blade 25. When the crushed beans fall below a predetermined particle size, they pass through the holes in the particle size adjusting member 30 and fall onto the filter 34 .

After the predetermined time has elapsed and the timer is switched, the motor 6 is stopped and the heater 8 is energized. Water passing through the water supply pipe 9 from the water storage tank 4 is heated by the heater 8, flows out from the hot water outlet 11 to the pouring port 33 due to boiling pressure, passes through the hot water diffusion member 31, and drips onto the coffee powder on the filter 34. The extracted coffee liquid is then stored in the coffee liquid storage container 14. In this way, water storage tank 4
Extraction ends when all of the water is used up.

To discard the dregs remaining on the filter 34 after extraction, the release operator 52 is pushed to disengage the locking member 53, the operating lever 46 is pulled upward, and the elevating member 35 is pushed down. By doing this, the joint 16 and the joint holder 26 are separated, so that the extraction unit 2
2 can be separated from the main body 1 by pulling it out horizontally. The filter container 24 can then be removed from the grinding container 23 and the filter 34 can be discarded together with the slag.

As can be seen from the above description, according to the coffee brewer, the joint 16 and the joint receiver 26 can be easily separated in the vertical direction by rotating the operating lever 46 and moving the lifting member 35 up and down. can.
Therefore, the joint does not get in the way when the extraction unit 22 is attached to and removed from the main body 1, and the extraction unit 22 can be easily handled since it is only necessary to take it in and out in the horizontal direction.

Further, since the crushing blades 25 are driven from above, a special filter is not required, and a commercially available paper filter 34 can be used as is. Therefore, the residue after coffee extraction is easy to handle, and cleaning is also easy. Furthermore, fine coffee powder does not get mixed into the liquid, which occurs when a coarse mesh filter such as a metal mesh is used.

Note that FIGS. 4 and 5 show a second embodiment of the present invention, and parts common to the first embodiment are given the same reference numerals and explanations are omitted, and the different parts are described below. explain. In this second embodiment, an elevating member 35 is attached to the overhang 1a so as to be movable up and down, and the elevating member 35 is configured to be moved up and down by a push-type drive member 70. More specifically, the cam surface 7 is attached to the elevating member 35.
1 is formed, and a cam follower 72 is formed on the drive member 70 opposite to this cam surface 71. The cam surface 71 and the cam follower 72 are set in such a relationship that the elevating member 35 rises when the drive member 70 is pressed in the horizontal direction. 73
is a return spring, and 70a is an operating section.
Further, by removably engaging the tip of the locking member 75 with the lock portion 74 provided on the drive member 70, the drive member 70 is pushed to a horizontal position, that is, the elevating member 35 is raised. It is designed to be able to lock into position.

Therefore, similarly to the first embodiment, with the elevating member 35 lowered, the extraction unit 22 is horizontally fitted into the receiving parts 38, 38, and pushed in as far as it will go, and then the operating part 70a is pressed. By pushing and raising the elevating member 35, the joint 16 is connected to the joint receiver 26, and the pouring port 33 is connected to the hot water discharge port 11.
can be connected.

Further, the present invention may be configured such that the lifting member 35 is moved up and down using a link mechanism 80 as illustrated as a third embodiment in FIG. By interlocking with the elevating member 35 and rotating and raising the operating lever 46, the elevating member 35 can be locked in the raised position. Therefore, in this embodiment, the link mechanism 80 also serves as a locking means.

Further, as shown in FIG. 7 as a fourth embodiment, an operator 90 is provided on the elevating member 35, and a locking claw 91 and a release operator 92 are provided on the overhanging portion 1a.
A locking means 50 may be provided. In this case, lift the elevating member 35 by pinching the operator 90 with your hand, and at this position the locking claw 9
1 can be locked by hooking it on the operator 90 or the like. Note that the lock can be released by pressing the release operator 92. In this case, the extraction unit will fall under its own weight.

[Effect of idea]

As described above, according to the present invention, in a coffee extractor equipped with a grinding blade type mill, the joint does not get in the way when attaching and detaching the brewing unit to the main body, and the brewing unit can be attached to and detached from the main body from the horizontal direction. It is very easy to operate and operate. Furthermore, since the crushing blades can be rotationally driven from above, commercially available disposable paper filters can be used.

[Brief explanation of drawings]

Figures 1 to 3 show one embodiment of the present invention, with Figure 1 being a perspective view of the coffee brewer, Figure 2 being a perspective view with the brewing unit removed, and Figure 3 being a longitudinal sectional view. be. FIG. 4 is a perspective view showing a second embodiment of the present invention, and FIG. 5 is a perspective view of the elevating member and locking means in the second embodiment. 6 and 7 show the third and fourth embodiments of the present invention, respectively.
It is a perspective view showing an example. DESCRIPTION OF SYMBOLS 1... Main body, 1a... Overhang part, 5... Hot water supply mechanism, 6... Motor, 16... Joint, 22... Extraction unit, 23... Grinding container, 24... Filter container, 25... Grinding Vane, 26... Joint holder, 3
5... Lifting member, 50... Locking means.

Claims (1)

[Claims for Utility Model Registration] In addition to having a built-in hot water supply mechanism and a motor for driving the crushing blades, it also has an overhang that extends in the horizontal direction, and the underside of this overhang is rotated by the motor. The extractor is equipped with a main body equipped with a joint, a crushing container with a built-in crushing blade, a filter container located below the crushing container, and a joint holder for driving the crushing blade that can be vertically engaged with and detached from the joint. unit; an elevating member provided on the main body so as to be movable up and down and supporting the extraction unit; and a locking means for raising and fixing the elevating member to a position where the joint holder connects to the joint. A coffee extractor characterized by: