JPS61119218A - Extractor for coffee,etc. - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to an apparatus for extracting coffee, etc., which obtains an extract by injecting boiling water under pressure into an object to be extracted, such as coffee powder. .

Conventional Structures and Problems Generally speaking, it is preferable to extract coffee at a high temperature, in a short period of time, and evenly from the entire coffee. For this reason, coffee brewing devices have been developed that extract coffee liquid in a short time by applying pressure using a pump or the like.

DESCRIPTION OF THE PREFERRED EMBODIMENTS A conventional coffee extraction device as described above will be described below with reference to the drawings.

Figure 1 shows a conventional extraction device for coffee, etc.
In this FIG. 1, 1 is a heater block, and this heater block 1 includes a block body 2, an upper cover 3,
It consists of a lower cover 4 and is rounded. Further, a through hole 7 is provided in the center thereof in communication with the water channel groove 6. Reference numeral 8 denotes a seal ring installed on the outer periphery of the block body 2. By providing the upper cover 3 in a watertight manner via this seal ring 8, the upper surface of the groove 5 is closed and the water channel 5 is closed.
It forms a. The lower cover 4 has the through holes 7 and Q.
A recess 10 having an aperture 10a that communicates watertight with an IJ ring 9 is provided, and a valve 11 that closes the aperture 10a and a valve spring 12 that biases the valve 11 are attached to the valve seat 1 in the recess 10.
3 is screwed on. 14 is a diffusion plate screwed onto the valve seat 13 with mounting screws 15.

Reference numeral 16 designates an electromagnetic pump, which connects a suction pipe 18 with one end open at the bottom of the water container 17 and a water channel 6a of the heater block 1 formed by the groove 5 of the block body 2. The connecting pipe 19 is connected to the connecting pipe 19 .

Reference numeral 2o denotes a hook plate with a central opening provided at the lower part of the lower cover 4, and around the central opening of the hook plate 2o, a plurality of claws 23 are provided around the upper end of the filter holder 22 equipped with a handle 21. A plurality of notches 2 into which the
4, and a plurality of retaining pieces 26 that engage with the claws 23 when the filter holder 220 rotates after the claws 23 are loosely fitted. 26 is a filter housed in the filter holder 22, and 27 is a seal backing that is engaged with the lower cover 4 and comes into airtight contact with the upper end of the filter 26. Note that an outlet 28 is provided at the lower end of a tapered surface toward the center in the lower part of the filter holder 22.

Reference numeral 29 is a receiving plate having a large number of holes on which a demister coffee cup 30 for storing this type of coffee is placed, and 31 is a receiving plate. Reference numeral 32 denotes an automatic temperature controller that is thermally attached to the block body 2. The operation of the extraction apparatus constructed as described above will be described below.

First, fill the water container 17 with the required amount of water. Next, heating element 6
When energization is started, the temperature is controlled to a predetermined temperature by the automatic temperature controller 32. Then, a predetermined amount of heat powder 33 is put into the filter 26 housed in the filter holder 22, and the filter is rotated and engaged with the fly plate 2o. The preparation for coffee extraction is now complete.

Next, the demister coffee cup 30 is set on the receiving plate 29 which is almost directly below the outlet 28 of the filter holder 22, and the pump 16 is activated. It is pumped into the block body 2 via the vibrator 19. The water pumped into the block body 2 is boiled by heat transfer from the heater block 1 while passing through the spiral water channel 5a, becomes hot water, passes through the through hole 7, presses the valve 11, and passes through. , diffuser plate 14
It passes through the coffee grounds 33 and extracts the coffee liquid, which flows out from the outlet 28 and is poured into the demister coffee cup ao to make coffee.

However, with the above configuration, coffee grounds must be weighed and put into the filter 26 one by one, and the filter 26 gets dirty after each extraction, so it is difficult to obtain delicious coffee unless it is washed every time it is extracted. It was difficult to use.

OBJECTS OF THE INVENTION In view of the above-mentioned conventional drawbacks, it is an object of the present invention to provide an easy-to-use coffee extraction device.

Structure of the Invention In order to achieve the above object, the coffee extraction device of the present invention comprises a capsule enclosing a substance to be extracted such as coffee powder;
A capsule that has a storage part for the capsule and is equipped with a nozzle on the top of the storage part that spouts hot water guided into the capsule through a water heating unit, and the capsule is held between the guide ring. a base, a guide groove provided on the capsule base and guiding the cell backward using the extracted force placed on the capsule base, and a wall near the capsule base of a water container disposed close to the capsule base; and a pair of guide ribs extending in the vertical direction, and a saucer disposed below the capsule base and below the pair of guide ribs. According to this structure,
The material to be extracted, such as coffee powder, can be extracted with a simple operation, and after extraction, the capsule is stored in the tray via a pair of guide ribs from the guide groove of the capsule base, making it even easier to use. It will improve.

DESCRIPTION OF THE EMBODIMENTS An embodiment of the present invention will be described below with reference to the accompanying drawings.

FIGS. 2 to 7 show a coffee extraction device according to an embodiment of the present invention. In FIGS. 2 and 4, 41 is a heater block which is a water boiling unit;
This heater block 41 includes a water pipe 44 in which a substantially cylindrical heater 43 in which heating wires 43a are loaded with insulating powder 43b is housed in a heater block body 42 made of a good thermal conductor such as aluminum die-casting for good thermal conductivity. . This water pipe 44 is provided with a spiral groove 46 continuous from one end to the other on its outer peripheral surface, and seal rings 46 are provided at both ends.
is airtightly inserted into the heater block main body 42 to form a spiral water channel 47. 48 is an outlet provided at the bottom of the heater block body 42 located at the tip of the water channel 47.

Note that 49 is a terminal plate of the heater 43, and 5o is a set screw for screwing the water pipe 44 onto the heater block body 42.

In FIGS. 2, 6, and 6, reference numeral 61 indicates an opening 5 that communicates airtightly with the outlet 4'8 through the QIJ song 2.
3 in the center, and is screwed onto the lower surface of the heater block main body 42 with a plurality of mounting screws 64.

Reference numeral 56 denotes a holder integrally formed of zinc die-casting or the like, with a substantially cylindrical shape containing the ring plate 61, and an operating portion 56 extending outward from the holder. The ring plate 61 is engaged with the upper outer peripheral stepped portion 57 of the ring plate 61 so as to be rotatable.

Reference numeral 58 denotes a guide ring which is removably provided with a male threaded portion 6o that communicates with the opening 63 and is screwed into the female threaded portion of a stepped hole portion 59 provided in the ring plate 51. A nozzle 61 having an acutely tapered needle tip and made of stainless steel or the like is press-fitted therein, and a housing portion 58a that is a substantially truncated cone-shaped cavity surrounding the nozzle 61 is provided and is made of stainless steel or the like. Still, the nozzle 61 box is branched into two directions at the lower end and has a nozzle hole 62 opened in the tapered surface. 53
It communicates airtightly.

Reference numeral 64 denotes a valve formed of silicone rubber or the like and provided at the stepped portion of the stepped hole portion 69. This valve 64 is connected to the opening 53 by a valve spring 66 provided in the central opening 66 of the male threaded portion 60 of the guide ring 58. is biased in the direction of closing.

Reference numeral 67 denotes a support fitting provided on the base 68 by screwing it with a screw, etc. The support fitting 67 is formed of a steel plate or the like in a substantially U-shape that is open to the rear, and has a support fitting 67 provided at both ends on the front side. It is provided with a lifting platform 70 made of a stainless steel plate or the like, which can be raised and lowered via a support rod 69.

This lifting platform 70 has a notch hole 70a in the center, and a guide groove γ1a having a substantially U-shaped cross section and opening at a sloped surface 71b descending into the notch hole 70a. is being expanded. Furthermore, on the top surface of this capsule stand 71.

A pair of left and right hook plates 72 are formed of zinc die casting or the like and provided with a gap narrower than the U-shaped groove width of the guide groove 71a. Further, at the lower center of the capsule stand 1, there is provided a disk-shaped capsule seat 74 made of stainless steel or the like and having a discharge lower 3 in the center and a concave periphery.

The pair of hook plates 72 each have an outwardly protruding hook;
The hook piece 75 slides upward together with the lifting table 7o, and when it reaches almost the upper end of the sliding range of the lifting table 7o, it touches the periphery of the central opening of the holder 65. It passes through the notch 76 provided in the holder 66.
As a result of the rotation, the retaining portion 77 adjacent to the cutout portion 76 is engaged.

3 and 6, reference numeral 78 is made of a steel plate or the like and is slidable in the longitudinal direction of the heater block main body 42 on the side of the mounting bracket 79 shown in FIG. 2 on which the heater block 41 is mounted. With a freely movable lever,
This lever 78 engages near the base of the handle 56 of the holder 55 and slides in conjunction with the rotation of the holder 55.

A recess 81 at the tip of the lever 78 is formed of a steel plate or the like.
This link 8o is pivotally supported by a shaft 82 on one side of the support fitting 67, and the other end is connected to a retaining shaft provided on the side wall of the lifting platform 7o. 8
3 to convert the rotation of the holder 66 into vertical sliding of the lifting platform 7o. Reference numeral 84 denotes an abutting piece that forms the recess 81 of the lever 78. This abutting piece 84 is used when the lifting table 70 slides almost to the upper end, and the hook piece 76 is attached to the holder 65 as described above.
While engaging with the engaging portion 77 due to the rotation, the capsule stand 71 is kept at approximately the upper end position by sliding in contact with the end portion 86 of the link 8o. The contact piece 84 has a first square hole 84a and a twentieth square hole 84b, and the end portion 8
6 is provided with a protrusion 85a and a stair protrusion asb.

Further, 78a is a protruding piece provided adjacent to the abutment piece 84 and protruding from the lever 78, and 80a is a protruding piece provided from the link 80.
It is an engagement piece provided on the top of the.

Reference numeral 86 denotes a water container provided at the rear of the heater block 41, and a notch hole 70 of the elevating plate 0 connected to the guide groove 71a is provided on the adjacent side wall 86a of the capsule platform 71 that moves up and down.
A pair of guide ribs sob extend downward surrounding the water container 86, and a bushing 89 at the bottom thereof communicates with a suction pipe 88 of an electromagnetic pump 87 provided on a base 68 below the water container 86.
A first opening 90 that communicates with A second opening 94 is provided which communicates with a drain port 93 which is open at the other end.

Note that the drain port 93 communicating with the second opening 94 is normally closed with pulp 91. 095 is a 71ff switch provided at the bottom of the water container 86, and is used to detect the water level of the water stored in the water container 8e. Let's do it. Further, 90a is a Tetron filter provided in the first opening 90.

96U[I[-c, c. 1. ka, 6yu, 4wa, □2o ('The saucer 92 and the pump 87 are housed together with the provided back plate 97 and the base 68. 98 is the operating knob for the pulp 91, and 99 is the water container 86. lid, 10
0 is a receiving plate provided at the opening of the base 68 located below the capsule stand 71, and this receiving plate 100 is provided with a large number of holes 100a through which the coffee dripped from the discharge lower 3 of the capsule stand 71 passes into the receiving plate 92. and place the demitasse coffee cup 101 thereon. 102 is a heat shield plate of the heater block 41;
3 is its cover, and 104 is an operation switch provided on the operation panel 105.

106 is a capsule in which coffee powder 107 is sealed;
A capsule main body 108 is formed of a thin film of aluminum or the like and has a substantially conical shape with an obtuse angle at the tip, and a waste wire part 109a that is convex and spherical and expands and opens when pressurized in the center of the capsule body 108 is formed of a thin film of aluminum or the like. The formed bottom portion 109 and this bottom portion 10
9 and a filter 110 having an opening suitable for filtering the coffee powder 107 enclosed in the capsule body 108 with a gap, the capsule body 108 is stretched to form an outer rim 111, and the capsule body 108 is formed by pressing and seaming. are doing. In addition,
The end of the capsule body 108 is wrapped around and sealed at the lower part of the outer rim 111.The operation of the coffee extraction apparatus constructed as described above will be described below.

First, fill the water container 86 with the required amount of water, and press the operation switch 10.
4 to start energizing the heater 43. After a predetermined time has elapsed, the temperature of the heater block 41 begins to be controlled to a predetermined temperature by the automatic temperature controller 41a.

Next, move the handle 66 of the holder 56 toward you (the water container 8
6) to lower the capsule platform 71,
The capsule 106 is inserted along the guide groove 71a of the capsule stand 71, which is wider than the outer diameter of the outer rim 111 of the capsule 106. At this time, the capsule 106 is narrower than the outer diameter of the outer rim 111, and the capsule body 1 is approximately conical.
A pair of hook plates 720 provided with a gap wider than the outer diameter of the outer rim 111 are provided with a gap wider than the outer diameter of the outer rim 111, and are guided in the left and right direction by the opposing sides, and the pair of hook plates 720 protrude inwardly from the guide groove 71a wider than the outer diameter of the outer rim 111. It is vertically guided by the back surface of the hook plate 72 and the bottom surface of the guide groove 71a, and is inserted almost linearly. Capsule 106 is guide ring 5
When inserted up to the capsule seat 74 located directly below 8,
The capsule 106 is positioned by engaging the convex spherical bottom 109 with the concave capsule seat 74, and is placed on the capsule seat 74 with the outer rim 111 in contact with it.

Then, the handle 66 is pressed and rotated backward (toward the water container 86) to raise the capsule stand 71 via the lever 78, the link 8o, and the lifting table 70. The capsule 106 placed on the capsule stand 71 is guided by the storage part 58a of the guide ring 58, which has approximately the same shape as the capsule body 108, and the needle-shaped nozzle 61 pierces the tip of the guide ring 58 to make a nozzle hole 62 inside the capsule 106. Open it.

As the rotation of the handle 66 progresses and the recess 81 of the lever 78 comes into contact with the protrusion 84a of the terminal part 84 of the link 8o, the capsule stand 71 reaches almost the upper end of the elevating range in which it slides together with the elevating table To, and then Even if the lever 78 is rotated, the lever 78 only slides into contact with the terminal part 84 with the contact piece 84, but the link 8o cannot be rotated, and therefore the capsule base 71 does not rise. hook piece 7
5 enters from the notch 7e of the holder 65 as described above. When the holder 65 is further rotated via the nozzle 56, it rotates while making contact with the inclined surfaces provided on the back surface of the hook piece 76 and the inner surface of the retaining portion 77 of the holder 55, and the capsule stand 71 further rotates. be lifted up. The capsule stand 71 is lifted, and the outer rim 111 of the capsule 106 in contact with the capsule seat 74 is pressed from above by the lower end of the guide ring 58, thereby airtightly holding the capsule 106 and completing the setting of the Naruto capsule 1060. On the other hand, in the lever 78 and the link 80, the knob 66
As the lever 78 rotates, the lever 78 slides further backward.

At this time, the protrusion 85a provided on the end portion 85 of the link 8o passes through the first square hole 84a provided on the contact piece 84 of the lever 78 and engages with the second square hole 84b. The stairway protrusion ssb of the terminal portion 86 engages with the first square hole 84&, and each time the end face of the first square hole 84a passes over each step of the stairway protrusion asb, a sound is generated and the capsule 106 is The state in which the capsule seat 74 and the guide ring 68 are held is shown.

Next, place the demitasse cup 101 on the receiving plate 100 below the discharge lower 3 of the capsule seat 4, and
When the pump 87 starts operating, the water container 86
The water inside is pumped through the pump 87, and is forced into the water pipe 44 through a pipe 42c that communicates with a check valve 42b provided at the inlet 42a of the heater block main body 42 from a discharge pipe (not shown) of the pump 87. The water sent to the water pipe 44 circulates near the outer periphery of the heater 43 through a spiral waterway 47 and is boiled into hot water, which exits from the outlet 48 . Furthermore, this hot water presses the valve e4 by the discharge pressure from the pump 87,
The coffee powder 107 in the capsule 106 is sprayed and sprayed from the nozzle hole 62 of the nozzle 61 . And capsule 106
The hot water pumped into the interior passes through coffee grounds 107 and is filtered by a filter 110, and the discharge pressure opens the weak line portion 109a of the bottom portion 109 and flows from the discharge lower 3 to the demitasse cup 1.
01 and the coffee is ready.

Next, the removal of the capsule 106 will be explained.

First, rotate the handle 56 toward the front to disengage the retaining portion 77 of the holder 65 and the hook piece 76, and at the same time release the contact between the abutment piece 85 of the lever 78 and the end portion 8o of the link 8o. , the capsule platform 71 descends due to its own weight.

However, the capsule 106 housed within the guide ring 68
is the lower end surface of the guide link 68 and the capsule seat 74 during extraction.
The guide ring 58 is pressed into contact with the upper surface of the guide ring 58, and is also press-fitted into the substantially conical tapered side wall of the housing portion 58a of the guide ring 58 to be held airtight. Therefore, the capsule 106 remains housed in the guide ring 58 and the capsule platform 7 descends independently.
1 hooks the end of the hook plate 72 onto the outer rim 111 of the capsule 106 and stops. In this state, the handle 66
When the lever 78 is rotated toward the front, the protruding piece 78a of the lever 78 engages with the waiting engaging piece 80a of the link 80, and the lever 78, the link 80, and the lifting platform 7 are rotated by the turning force of the handle 66.
The capsule stand 71 is pushed down via the cap 71, the end of the hook plate 72 comes into contact with the outer rim 111 of the capsule 106, and the capsule 106 is removed from the guide ring 58.

Furthermore, when brewing coffee continuously, the outer rim 111 of the capsule 106 is engaged between the guide groove 71a of the capsule base 71 and the seven pairs of hook plates 72 in the same manner as described above. Insert the capsule until it reaches the seat 74.

At this time, the extracted capsule 106 is replaced by the new capsule 106.
The inclined surface 71 that is pushed down at the back of the guide groove 71a
b, and is guided by its own weight through the notch hole 70a of the lifting platform 70 to the guide rib s6b of the water container 86, and falls into the saucer 92 and stored therein. After that, coffee is extracted by repeating the above steps.

As described above, according to this embodiment, the guide ring 58 is equipped with the nozzle 61 that spouts hot water from the water heating unit 41 to the capsule 106, the capsule stand 71 that holds the capsule 106 between the guide link 68, and Capsule 106 provided on capsule stand 71 and already extracted
a pair of guide ribs s6b extending vertically on a wall 86a near the capsule base T1 of the water container 86 disposed behind the capsule base 71; Since the tray 92 is provided below the stand 71 and below the pair of guide ribs sob, the guide ring 58 and the capsule stand 7
1 to hold the capsule 106 and easily extract a substance such as coffee. It can be stored in the saucer 92.

In this embodiment, a guide groove was provided to penetrate from the front to the rear of the capsule stand, but any guide groove may be used as long as it can guide the extracted capsule to the pair of guide ribs. Further, although the guide groove is arranged to extend to the rear of the capsule base, the direction can be changed as appropriate if it is communicated with the guide rib that guides the tray.

Effects of the Invention As described above, the present invention includes a capsule in which a substance to be extracted such as coffee powder is enclosed, and a storage part for the capsule,
and a guide link equipped with a nozzle for spouting hot water guided through a water heating unit into the capsule at an upper part of the storage section, a capsule stand for holding the capsule between the guide ring, and a capsule stand provided on the capsule stand. , and a guide groove for guiding the extracted capsule placed on the capsule stand rearward; a guide rib extending vertically on a wall near the capsule stand of a water container disposed close to the capsule stand; Since the configuration includes a saucer disposed below the capsule stand and below the pair of guide ribs, the material to be extracted such as coffee powder can be extracted with a simple operation, and after the extraction, Since the capsule is housed in the tray via the guide groove of the capsule stand and the pair of guide ribs, the ease of use is further improved. −

[Brief explanation of drawings]

FIG. 1 is a left sectional view of a conventional coffee brewing device, FIGS. 2 and 3 are right sectional views of a coffee brewing device showing an embodiment of the present invention, and FIG. 4 is a plan sectional view of the same heater block. FIG. 6 is an enlarged sectional view of the essential parts, FIG. 6 is a perspective view of the constituent parts of the same, and FIG. 7 is a perspective view of the coffee brewing device.・・・
... Guide ring, 61 ... Nozzle, 71.
...Capsule stand, 71a...Guide groove,
5csb...Guide rib, 92...Saucer, 106...Capsule 0 Name of agent Patent attorney Satoshi Nakao and 1 other person Figure 1 Figure 2 wc 3 Figure Figure 4 Figure 5 Figure 6

Claims (1)

[Claims] A guide ring that has a capsule enclosing a substance to be extracted such as coffee powder, and a storage section for the capsule, and is equipped with a nozzle above the storage section that spouts hot water guided through a water heating unit into the capsule. a capsule stand that holds the capsule with the guide ring; a guide groove that is provided on the capsule stand and guides the extracted capsule placed on the capsule stand to the rear; A coffee etc. comprising a pair of guide ribs extending vertically on a wall near the capsule base of a water container provided therein, and a saucer disposed below the capsule base and below the pair of guide ribs. extraction equipment.