JP4575285B2 - Extraction device - Google Patents

Description

  The present invention relates to a dispensing device that dispenses liquid.

  As is well known, beer changes when exposed to air. As a method of suppressing the deterioration of beer after opening a container filled with beer, a method of feeding carbon dioxide into the container and pushing out the beer with this carbon dioxide is common. In this method, since the space generated in the beer container by beer pouring is filled with carbon dioxide gas, contact between the beer and the air is prevented.

As another method for suppressing the deterioration of beer after opening, there is a method of extruding a beverage such as beer from the container while reducing the volume of the container containing beer. Patent Document 1 describes a beverage dispensing device that accommodates a deformable bag filled with a beverage in an outer container and dispenses the beverage by supplying a pressure fluid between the outer container and the bag. ing.
Japanese Patent Laid-Open No. 10-81397

  In a configuration in which a beverage such as beer is pushed out while reducing the volume using a variable volume container, the minimum volume of the container can be reduced in order to reduce the amount of liquid that cannot be discharged from the container. It is important to be able to do it. Patent Document 1 does not mention how to reduce the minimum volume of the bag.

  An object of the present invention is, for example, to reduce the amount of liquid that cannot be discharged from a container in an extraction device that extracts liquid.

The present invention relates to a dispensing device for extracting a liquid, and the dispensing device is disposed outside a first container, a second container disposed inside the first container, and the first container. An extraction section; and a conduit that communicates the second container with the extraction section . The extraction apparatus includes a second container according to a pressure in a space between the first container and the second container. The liquid is pushed out into the conduit and supplied to the dispensing portion, and the second container has a bellows portion having a first end and a second end, and the first end of the bellows portion. A first end portion that closes the side and a second end portion that closes the second end side of the bellows portion, and a central portion of the first end portion is directed toward the second end portion. recessed in though, the bellows portion and the inner surface of the first end portion in the most contracted state and an inner surface of said second end portion is configured to contact the front Second container, the first end and the second end portion become upward is disposed in the first container so that the lower side.

  According to a preferred embodiment of the present invention, it is preferable that the dispensing device further includes an injection part for injecting a liquid into the second container.

  According to a preferred embodiment of the present invention, it is preferable that at least a part of the second container is made of stainless steel.

  According to a preferred embodiment of the present invention, the second container preferably has a mouth portion at the second end, and the mouth portion and the extraction portion are connected by the pipe line. Is preferred.

  According to a preferred embodiment of the present invention, it is preferable that the first container has a protruding portion in which a position corresponding to the central portion of the first end portion protrudes toward the central portion side.

  According to a preferred embodiment of the present invention, it is preferable that the dispensing device further includes a pressurizing unit that applies pressure to a space between the first container and the second container. Here, it is preferable that at least a part of the pressing portion is disposed in a space inside the protruding portion.

  According to a preferred embodiment of the present invention, the dispensing device may further include a valve for applying pressure to the space between the first container and the second container.

  According to a preferred embodiment of the present invention, it is preferable that the dispensing device further includes a display unit that displays a pressure in a space between the first container and the second container, and at least the display unit. It is preferable that part is arrange | positioned in the space inside the said protrusion part.

  According to a preferred embodiment of the present invention, it is preferable that at least a part of the first container is transparent.

  According to a preferred embodiment of the present invention, it is preferable that the dispensing device further includes a wireless IC chip holding information indicating an identifier.

  ADVANTAGE OF THE INVENTION According to this invention, in the extraction apparatus which extracts a liquid, the quantity of the liquid which cannot be discharged | emitted from a container can be reduced.

  The dispensing device according to the present invention is suitable for, for example, beverages such as beer, sparkling liquor, wine, and the like, but is not limited to this, but is not limited to this, and is capable of dispensing, storing, and transporting all liquids. It is suitable for etc.

  Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings.

  1-3 is a figure which shows typically the structure of the extraction | pouring apparatus of suitable 1st Embodiment of this invention. In FIGS. 1 to 3, a part is shown in cross section. The dispensing apparatus 100 according to a preferred embodiment of the present invention includes a container (capacity variable container) 20 whose volume can be changed according to the amount of contents (liquid).

  The dispensing device 100 is typically reused by refilling the container 20 with liquid each time the liquid is discharged from the container 20. For example, the dispensing device 100 is provided to the market in a state where the container 20 is filled with the liquid, and is collected from the market after the liquid is dispensed, and then the container 20 is refilled with the liquid, and then again. Can be offered to the market.

  The dispensing apparatus 100 preferably includes a wireless IC chip 95 such as an RF tag (wireless tag). The wireless IC chip 95 holds, for example, information indicating an identifier (ID), and can cause the reader to acquire its own identifier by performing wireless communication with an external reader. The wireless IC chip 95 preferably operates by receiving power from the reader side in a non-contact manner using an antenna, for example. On the reading device side, the dispensing device 100 can be managed based on the identifier acquired from the wireless IC chip 95 of the dispensing device 100.

  The dispensing device 100 is suitable not only for dispensing liquid but also for storing and transporting liquid. From such a viewpoint, the pouring device 100 can also be considered as a container having a pouring mechanism.

  The dispensing device 100 includes a first container (outer container) 10, a second container (inner container) 20 disposed inside the first container 10, and a dispensing unit 30 disposed outside the first container 10. Then, pressure is applied to the space 40 between the first container 10 and the second container 20 so that the volume of the second container 20 is reduced and the conduit 40 that allows the second container 20 and the extraction unit 30 to communicate with each other. And a pressurizing unit 50.

  The pressurizing unit 50 may include a manual or electric pump 52, and a connection pipe 54 that connects the space 25 between the first container 10 and the second container 20 and the pump 52. The pressurization of the space 25 is performed by sending air into the space 25 by a pump 52 as indicated by an arrow A in FIG. If the valve (not shown) built in the extraction unit 30 is opened by operating the valve operation handle 32 of the extraction unit 30 in a state where the space 25 is pressurized, the second container 20 contracts due to the pressure. Thus, the liquid 28 is poured out (discharged) from the second container 20 through the conduit 40 and the dispensing unit 30. When the dispensing device 100 is applied to a container for effervescent beverages such as beer, it is not necessary to inject carbon dioxide into the second container 20 for extraction of the effervescent beverage, so a carbon dioxide gas cylinder is unnecessary. .

  The dispensing device 100 preferably includes a display unit 70 that displays the pressure in the space 25 between the first container 10 and the second container 20. The display unit 70 can include, for example, a pressure gauge 72 that detects and displays a pressure value, and a connection pipe 74 that connects the space 25 between the first container 10 and the second container 20 and the pressure gauge 72. For example, when storing a sparkling beverage such as beer in the dispensing device 100, carbon dioxide gas is released from the sparkling beverage unless an appropriate pressure is applied to the sparkling beverage inside the second container 20. Therefore, it is preferable to store the sparkling beverage in a state where an appropriate pressure is applied to the second container 20 (the space 25 between the first container 10 and the second container 20) according to the display on the display unit 70.

  The dispensing device 100 preferably includes an exhaust valve 80. When the pressure in the space 25 between the first container 10 and the second container 20 is excessive, as shown by an arrow B in FIG. The space 25 between the first container 10 and the second container 20 may be decompressed by opening the valve 80 and exhausting air from the exhaust port 82. The exhaust valve 80 is also used when the second container 20 is filled with liquid.

  The dispensing device 100 includes an injection part 60 for filling the liquid 28 in the second container 28. The injection part 60 may typically include a joint with a built-in valve. The liquid 28 supplied through the injection part 60 is fed into the second container 20 through the joint 44 and the mouth part 24 a provided in the second container 20.

  When the second container 20 is filled with the liquid 28, the liquid 28 is fed into the second container 28 from the outside through the injection unit 60 with the exhaust valve 80 opened. Along with this, the volume of the second container 20 increases, and the air in the space 25 between the first container 10 and the second container 20 is exhausted from the exhaust port 82 to the outside through the exhaust valve 80. The dispensing device 100 is preferably provided with a filling cutoff valve 42 in the middle of the conduit 40, preferably at a position close to the joint 44 (mouth portion 24a), and is filled with the filling cutoff valve 42 closed. Is preferably made.

  As shown in FIGS. 1 to 3 exemplarily as the mouth portion 24 a, the dispensing device 100 may be configured to share the mouth portion for discharging the liquid 28 and the mouth portion for filling the liquid 28. However, a configuration in which they are provided separately may be employed.

  When extracting the liquid 28, the exhaust valve 80 is closed and the space 25 between the first container 10 and the second container 20 is moderately pressurized by the pump 50, and then, as shown in FIG. What is necessary is just to open the valve incorporated in the extraction part 30 by operating the handle 32 of the part 30. Since the second container 20 receives a force in the compression direction due to the pressure in the space 25, the second container 20 contracts by opening the valve built in the extraction unit 30, and the liquid 28 in the second container 20 is opened. Is pushed out to the pipe line 40 and is poured out from the pouring part 30 through the pipe line 40.

  For example, it is preferable that at least a part of the second container 20, preferably at least a part capable of contacting the liquid 28, be made of stainless steel. The second container 20 includes a bellows portion 21 having a first end 21 a and a second end 21 b, a first end 22 that closes the first end 21 a side of the bellows portion 21, and a second end 21 b side of the bellows portion 21. And a second end portion 24 for closing. The bellows portion 21 can be expanded and contracted in the axial direction (the vertical direction in FIGS. 1 to 3). A central portion 22 a of the first end portion 22 is recessed toward the second end portion 24.

  The bellows portion 21 has a gap between the first end 21a and the second end 21b in a state where the bellows portion 21 is most contracted. Therefore, in order to reduce the minimum volume of the second container 20 and reduce the amount of the liquid 28 that remains without being discharged from the second container 20, the central portion 22 a of the first end portion 22 has the second end portion 24. It is preferable that it is depressed toward the direction. Here, it is further preferable that the inner surface of the first end portion 22 and the inner surface of the second end portion 24 are in contact with each other in a state where the bellows portion 21 is most contracted.

  It is preferable that the 2nd container 20 is arrange | positioned in the 1st container 10 so that the 1st end part 22 which has a hollow part in the center part 22a may become an upper side, and the 2nd end part 24 may become a lower side. On the contrary, the second container 20 can be arranged so that the first end portion 22 is on the lower side and the second end portion 24 is on the upper side, but in this case, the first end portion 22 is arranged. The liquid in the peripheral part (outside of the depression) can remain without being discharged.

Furthermore, the mouth 24 a of the second container 20 is preferably provided at the second end 24. In this case, the liquid 28 in the second container 20 can be discharged from the second container 20 by its own weight.

  The first container 10, which is a container containing the second container 20, has a position corresponding to the central portion (recessed portion) 22 a of the first end portion 22 of the second container 20 toward the central portion 22 a side (or It is preferable to have a protruding portion 10a protruding toward the inside of the first container 10. By providing such a protrusion 10a, a mechanism, structure, or device is provided in the space 10b inside the protrusion 10a (the space that is the outer space of the first container 10 and is surrounded by the side surface and the bottom surface of the protrusion 10a). Therefore, the space produced by the presence of the central portion (recessed portion) 22a of the second container 20 can be used effectively. In the space 10b, for example, it is preferable that at least a part of the pressing unit 50 and / or at least a part of the display unit 70 and / or at least a part of the wireless IC chip 95 is arranged.

  It is preferable that at least a part of the first container 10 is made of a transparent material. Thereby, the length (volume) of the second container 20, that is, the remaining amount of the liquid 28 can be easily confirmed from the outside.

  FIG. 4 is a side view schematically showing the configuration of the dispensing device according to the second preferred embodiment of the present invention. As illustrated in FIG. 4, a valve (valve built-in joint) 45 serving as a mouth is attached to an appropriate position such as the bottom of the second container 20, and the liquid 28 is filled into the second container 20 using the valve 45. Alternatively, the liquid 28 may be discharged from the second container 20. The valve 45 is also useful when cleaning the inside of the second container 20. At the time of cleaning, the cleaning liquid can be supplied into the second container 20 through the valve 45, and at the same time, the cleaning liquid can be discharged through the valve 45. Such a valve is used, for example, at the mouth of a beer barrel or the like. When the cleaning and filling of the liquid 28 are completed, a connection head 46 provided at the end of the conduit 40 may be connected to the valve 45.

  5 and 6 are a side view and a top view, respectively, schematically showing the configuration of the dispensing device according to the preferred third embodiment of the present invention. In this embodiment, the top plate 15 is disposed on the upper surface of the first container 10, and the pressurizing unit 50 and / or the display in the space 10 b surrounded by the top plate 15 and the side surface and the bottom surface of the protruding portion 10 a. The unit 70 and / or the wireless IC chip 95 are arranged.

  FIG. 7: is a side view which shows typically the structure of the extraction apparatus of suitable 4th Embodiment of this invention. The pouring device 100 according to this embodiment includes a pressurizing valve 47 for filling the space 25 between the first container 10 and the second container 20 with a gas such as air and applying pressure thereto. (For example, the upper part). The space 25 can be filled with a gas such as air by connecting a pressure line to the pressurizing valve 47. For example, the space 25 can be filled with gas until the pressure reaches a suitable level after the beverage is filled in the second container 20. In addition, when filling the beverage in the second container 20, the gas in the second container 20 is discharged through the pressurizing valve 47 or a discharge valve that can be optionally provided to decompress the second container 20. In addition, the inside of the second container 20 may be pressurized after filling.

  In this embodiment, the pressurizing unit 50, the display unit 70, and the exhaust valve 80 can be omitted. In this case, the structure of the dispensing device 100 is simplified. However, for example, in order to make it possible to pressurize or depressurize the second space 20 in the market, or to make it possible to pressurize or depressurize the second space 20 at an arbitrary timing. Should include a pressurizing unit 50, a display unit 70, and an exhaust valve 80. In this case, at least a part of the pressurizing unit 50 and / or at least a part of the display unit 70 is provided with the protruding portion 10a in the first container 10 as described above, and the inner side of the protruding portion 10a. It is preferable to arrange in the space 10b.

  When the wireless IC chip 95 is mounted, the wireless IC chip 95 can be disposed outside or inside the first container 10 (for example, the space 10b), for example.

It is a side view which shows typically the structure of the extraction apparatus of suitable 1st Embodiment of this invention. It is a side view which shows typically the structure of the extraction apparatus of suitable 1st Embodiment of this invention. It is a side view which shows typically the structure of the extraction apparatus of suitable 1st Embodiment of this invention. It is a side view which shows typically the structure of the extraction apparatus of suitable 2nd Embodiment of this invention. It is a side view which shows typically the structure of the extraction | pouring apparatus of suitable 3rd Embodiment of this invention. It is a top view which shows typically the structure of the extraction apparatus of suitable 3rd Embodiment of this invention. It is a side view which shows typically the structure of the extraction | pouring apparatus of suitable 4th Embodiment of this invention.

Explanation of symbols

10 First container (outer container)
10a Protruding part 10b Space inside the protruding part 15 Top plate 20 Second container (inner container)
21 Bellows part 21a 1st end 21b 2nd end 22 1st end part 22a Center part (recessed part)
24 Second end portion 24a Mouth portion 25 Space 28 Liquid 30 Extraction portion 32 Valve operation handle 40 Pipe line 42 Filling shut-off valve 44 Joint 45 Valve 46 Connection head 47 Pressurization valve 50 Pressurization portion 52 Pump 54 Connection tube 60 Injection unit 70 Display unit 72 Pressure gauge 74 Connection pipe 80 Exhaust valve 82 Exhaust port 90 Support leg 95 Wireless IC chip 100 Extraction device

Claims (7)

An extraction device for extracting liquid,
A first container;
A second container disposed inside the first container;
A pouring part disposed outside the first container;
A conduit for communicating the second container and the extraction portion;
The pouring device is configured such that the liquid in the second container is pushed out to the conduit by the pressure in the space between the first container and the second container, and is supplied to the pouring part.
The second container includes a bellows portion having a first end and a second end, a first end portion that closes the first end side of the bellows portion, and a second end portion that closes the second end side of the bellows portion. and a second end, said central portion of the first end portion is not recessed in the direction of the second end portion, wherein the inner surface of the first end portion and the bellows portion is in the most contracted state Configured to contact the inner surface of the second end,
The second container is disposed in the first container such that the first end is on the upper side and the second end is on the lower side.
A pouring device characterized by that. The pouring device according to claim 1 , further comprising an injecting unit for injecting a liquid into the second container. The dispensing device according to claim 1 or 2 , wherein at least a part of the second container is made of stainless steel. The said 2nd container has a mouth part in the said 2nd edge part, The said mouth part and the said extraction | pouring part are connected with the said pipe line, The any one of Claim 1 thru | or 3 characterized by the above-mentioned. The pouring device described in the paragraph . The said 1st container has the protrusion part which the position corresponding to the said center part of the said 1st edge part protruded toward the said center part side, The one of Claims 1 thru | or 4 characterized by the above-mentioned. Pouring device. A pressurizing unit that applies pressure to the space between the first container and the second container;
The dispensing device according to claim 5 , wherein at least a part of the pressing portion is disposed in a space inside the protruding portion.   The display unit further includes a display unit that displays a pressure in the space between the first container and the second container, and at least a part of the display unit is disposed in a space inside the protrusion. The extraction device according to claim 5 or 6.

Images