JP2008178724A - Beverage brewer - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a compact and convenient beverage brewer suitable for a small office of 20-30 persons or for an ordinary home, permitting immediate drinking with gusto at any time, and easily cleaned up afterwards. <P>SOLUTION: This beverage brewer includes a container 1 storing liquid and formed with a water discharge hole 4 in a bottom part; a heating means 2 heating the liquid in the container 1; a lid 13 covering the upper part of the container 1; a water supply device 17 using a diaphragm type liquid pump for delivering the liquid in the container 2 from the water discharge hole 7; and a beverage fixing part 18 installing a beverage pack 20 brewed with the liquid delivered from the water supply device 17. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a beverage extractor that can deliciously extract beverages such as coffee and tea, and more particularly to a small and compact beverage extractor suitable for small offices or general households of about 20 to 30 people.

  So-called large-sized coffee makers have been used as beverage extractors for small offices in the past, but it is not preferable because coffee is boiled after extraction, coffee powder is set every time, and cleaning up is troublesome. There wasn't.

  For this reason, a beverage extractor has been developed that can be used to set a pack containing coffee powder or the like and drink it as you like.

  FIG. 5 shows an example of a beverage pack, which is a generally flat flexible bag formed by a sheet 350 and sealed at its periphery, and has a flanged nozzle 351 for introducing and positioning hot water at the top. The filter member 352 is held inside and has a peelable seal portion 353 at the bottom. The seal portion 353 is made of a pressure-sensitive seal or a heat-sensitive seal. When pressure or heat is applied, the adhesive strength is weakened, and the seal portion 353 can be peeled off by liquid or gas pressure, and coffee or the like can be taken out. 354 is a powder of coffee or the like held in the filter material 352.

  FIG. 6 shows a hot water distribution channel of a beverage extractor that injects hot water into the beverage pack. 300 is a container for water, 301 is a heating container connected via an electromagnetic valve 302, and a heating means 303 is provided at the bottom. Reference numeral 308 denotes a tube pump, and a suction port connects a hot water suction pipe 304 for sucking hot water in the heating container 301 and a suction pipe 305 for sucking air through an electromagnetic valve 306. Further, the discharge port of the tube pump 308 is connected to an injection part that breaks through the nozzle of the beverage pack 310. On the other hand, the heating container 301 is provided with a fan 309, and a heating pipe 311 for applying the steam blown by the fan 309 to the peeling seal portion 353 of the beverage pack 310 is provided.

  For example, as shown in FIG. 7, the tube pump 308 is arranged in a substantially U-shape along a groove 320 between a rotor 316 connected to a motor shaft 315 and a casing 319 surrounding the rotor 316 and the rotor 316. A tube 317, one end of the tube 317 serves as a suction port, and the other end serves as a discharge port. Further, the rotor 316 is provided with rollers 318 at a plurality of locations on the peripheral surface, and presses the inner peripheral side of the tube 317 toward the outer casing 319. Figures (a) to (b) show a state in which the rotor 316 has rotated about 180 degrees in the direction of the arrow. As the rotor 316 rotates in this way, the roller 318 rotates, and the roller 318 rotates while pressing the inner peripheral side of the tube 317, so that the gas or liquid inside the tube 317 is pumped in the rotating direction. The pump operation can be obtained.

  The operation of the beverage extractor will be described. The injection port breaks through the nozzle 310a (see FIG. 6) of the beverage pack 310 by a button operation and enters the beverage pack 310. At the same time, the steam is blown by the fan 309 through the heating pipe 311 and hits the seal portion 353 (see FIG. 5) of the beverage pack 310, so that the seal portion 353 is easily peeled off. Next, the solenoid valve 306 is closed, the tube pump 308 is operated, the hot water in the heating container 301 is supplied to the beverage pack 310 through the injection port, coffee is extracted, and the beverage pack 310 is sealed by the pressure and the own weight of the hot water. Portion 353 peels open and coffee is poured into a cup placed under beverage pack 310. When a predetermined amount of hot water is supplied to the beverage pack 310, the solenoid valve 306 opens, air is sent from the suction pipe 305 to the beverage pack 310 by the tube pump 308, and the coffee remaining in the beverage pack 310 is cupped by the pressure of the air. It is supplied until it drops into a state where it does not drip.

In this conventional beverage extractor, the reason why the tube pump 308 is used is that a certain pressure is required for extruding hot water and it is durable against scale.
JP-A-11-178717 Japanese Patent Laid-Open No. 04-364819 Japanese Utility Model Publication No. 63-040187 JP 07-313368 A JP-A-10-099203 Microfilm of Japanese Utility Model Application No. 47-062574 (Japanese Utility Model Application Publication No. 49-021405) JP 09-195953 A

  However, although the tube pump has an excellent performance with respect to water scale as described above, it is difficult to reduce the size because it requires a large torque and is not suitable for a small and compact beverage extractor.

  For this reason, the conventional large beverage extractor described above is not only suitable for a small office that is large and takes up space, but also it takes about 30 minutes or more to be extracted after injecting water. was there.

  The present invention solves such a conventional problem, and is small and compact suitable for small offices or general households of about 20 to 30 persons, and can be drunk immediately when desired and easy to clean up. It aims to provide an easy-to-use beverage extractor.

  The beverage extractor according to claim 1 is a container in which a liquid is stored and a water discharge hole is formed at the bottom, a heating means for heating the liquid in the container, a lid that covers the upper part of the container, and a diaphragm motion to remove the diaphragm. Beverage fixing that installs a water supply device using a diaphragm type liquid pump that sends out liquid in the container from the water outlet hole by expanding and compressing, and a beverage pack or beverage powder extracted by the liquid sent out from this water supply device And an air supply device comprising an air pump that pumps air to a beverage pack or beverage powder, and the water supply device has an injector at the tip for supplying the beverage fixing portion, and is provided between the liquid pump and the injector. When the discharge pressure of the liquid pump exceeds a certain level, a pressure valve is provided to allow the liquid to escape into the container, and the discharge part of the air supply device is connected via a check valve between the liquid pump and the injector. Which are connected Te.

  According to the beverage extractor of the first aspect, since the diaphragm type liquid pump that expands and compresses the diaphragm by the squeezing motion is used in the water supply device, for example, the size can be reduced to about 1/4 of the conventional size. Excellent extraction accuracy and extraction pressure. Therefore, it is possible to make the small and compact suitable for small offices or general households of about 20 to 30 people, and therefore, it is possible to provide a beverage extractor that is easy to use and easy to clean and clean when needed. be able to.

  Moreover, since the pressure at the time of abnormality is extracted in the container, safety can be ensured without adversely affecting other components and users, and there is no energy loss.

  Furthermore, since the air supply device is provided, it becomes possible to squeeze out the remaining hot water in the pack in conjunction with the water supply device after extraction with the beverage pack, and the subsequent care becomes very easy. In addition, if the pack can be opened with hot water such as coffee or tea, it can be extracted with a liquid pump, but if it is dangerous with hot water such as cocoa, use an air pump. Can be opened with air, and safety can be ensured.

  Furthermore, when hot water is sent out from the liquid pump, it can be prevented from accidentally entering the air pump, and safety can be ensured.

  According to a second aspect of the present invention, there is provided a beverage extractor comprising: a container that contains a liquid and has a water outlet hole at the bottom; a heating means that heats the liquid in the container; a lid that covers the top of the container; By separating the heating means and the side with and without the water outlet hole with a partition plate having a bubble removal valve at the top, the diaphragm is inflated and compressed by squeezing motion, so that the liquid in the container is discharged from the water outlet hole. A water supply device using a diaphragm type liquid pump to be sent out, a beverage fixing part for installing a beverage pack or beverage powder extracted by the liquid delivered from the water delivery device, and an air pump for pressure-feeding air to the beverage pack or beverage powder The water supply device has an injector at the tip for supplying the beverage fixing part, and the discharge pressure of the liquid pump is constant between the liquid pump and the injector. Comes on the liquid interposed a pressure valve miss in the container, in which the discharge portion of the gas supply apparatus is connected through a check valve between the liquid pump and the injector.

  According to the beverage extractor of the second aspect, in addition to the same effect as the first aspect, since the inside of the partition plate is substantially sealed, only the liquid inside the partition plate can be concentrated and heated. Even if water is supplied to the container, hot water can be obtained and extracted immediately.

  According to a third aspect of the present invention, at least one of the diaphragm of the liquid pump and the suction / discharge valve thereof is made of hydrogenated nitrile rubber.

  According to the beverage extractor of the third aspect, in addition to the same effect as the first or second aspect, by using hydrogenated nitrile rubber for, for example, an umbrella valve or a diaphragm used for a suction / discharge valve, Diaphragm type liquid pumps that could not be used for hot water can now be used as liquid pumps for beverage extractors.

  The beverage extractor according to claim 4 is the beverage extractor according to claim 1 or 2, wherein the outlet hole is covered with a filter having a mesh, and the size of the opening area of the mesh of the filter is smaller than the minimum diameter of the water flow path of the liquid pump. It is a thing.

  According to the beverage extractor of claim 4, in addition to the same effects as those of claim 1 or claim 2, it is possible to prevent the water scale formed inside the container from entering the liquid pump.

  A beverage extractor according to claim 5 is the beverage extractor according to claim 1 or 2, wherein the liquid pump has a diaphragm water leak seal.

  According to the beverage extractor of the fifth aspect, in addition to the same effect as the first or second aspect, water leakage prevention is ensured by a water leakage seal on the diaphragm of the liquid pump.

  The beverage extractor according to claim 6 is the tubular extractor according to claim 1 or 2, wherein the liquid pump has a discharge cylinder portion, and the discharge valve of the liquid pump is elastically in close contact with the inner peripheral surface of the discharge cylinder portion. The communication part that connects the inside of the discharge cylinder part and the inside of the diaphragm via the discharge valve is formed in the discharge cylinder part, and a plurality of communication parts are provided according to the number of diaphragms. A slit is formed to divide into two.

  According to the beverage extractor of the sixth aspect, in addition to the same effects as those of the first or second aspect, even if a plurality of diaphragms are individually compressed and expanded, the discharge valves are provided separately, so that other diaphragms are provided. Can be discharged without adversely affecting the operation.

  According to the beverage extractor of the first aspect, since the diaphragm type liquid pump that expands and compresses the diaphragm by the squeezing motion is used in the water supply device, for example, the size can be reduced to about 1/4 of the conventional size. Excellent extraction accuracy and extraction pressure. Therefore, it is possible to make the small and compact suitable for small offices or general households of about 20 to 30 people, and therefore, it is possible to provide a beverage extractor that is easy to use and easy to clean and clean when needed. be able to.

  Moreover, since the pressure at the time of abnormality is extracted in the container, safety can be ensured without adversely affecting other components and users, and there is no energy loss.

  Furthermore, since the air supply device is provided, it becomes possible to squeeze out the remaining hot water in the pack in conjunction with the water supply device after extraction with the beverage pack, and the subsequent care becomes very easy. In addition, if the pack can be opened with hot water such as coffee or tea, it can be extracted with a liquid pump, but if it is dangerous with hot water such as cocoa, use an air pump. Can be opened with air, and safety can be ensured.

  Furthermore, when hot water is sent out from the liquid pump, it can be prevented from accidentally entering the air pump, and safety can be ensured.

  According to the beverage extractor of the second aspect, in addition to the same effect as the first aspect, since the inside of the partition plate is substantially sealed, only the liquid inside the partition plate can be concentrated and heated. Even if water is supplied to the container, hot water can be obtained and extracted immediately.

  According to the beverage extractor of the third aspect, in addition to the same effect as the first or second aspect, by using hydrogenated nitrile rubber for, for example, an umbrella valve or a diaphragm used for a suction / discharge valve, Diaphragm type liquid pumps that could not be used for hot water can now be used as liquid pumps for beverage extractors.

  According to the beverage extractor of claim 4, in addition to the same effects as those of claim 1 or claim 2, it is possible to prevent the water scale formed inside the container from entering the liquid pump.

  According to the beverage extractor of the fifth aspect, in addition to the same effect as the first or second aspect, water leakage prevention is ensured by a water leakage seal on the diaphragm of the liquid pump.

  According to the beverage extractor of the sixth aspect, in addition to the same effects as those of the first or second aspect, even if a plurality of diaphragms are individually compressed and expanded, the discharge valves are provided separately, so that other diaphragms are provided. Can be discharged without adversely affecting the operation.

  An embodiment of the present invention will be described with reference to FIGS. That is, in FIG. 1, the main body 1 of this beverage extractor has a cylindrical shape, a container 2 is provided inside, a control board 3 of a control circuit is provided at the bottom, and an operation board 4 of the control circuit is provided at one upper side. Adjacent to the operation board 4, a start button 5 is provided which is also used for forming a pack hole.

  The container 2 stores a liquid such as water and forms a water discharge hole 7 at the bottom. The water outlet 7 of the embodiment is made higher than the bottom of the container 2 in order to approach the top of a partition plate 14 described later. 8 is a water level gauge, and 9 is a water supply sensor for notifying the necessity of water supply.

  The heating means 10 heats the liquid in the container 1 and is provided at the bottom of the container 2. The embodiment is an electric heater, and may be configured to directly heat the container 1, the liquid, or both. Reference numerals 11 and 12 denote temperature sensors, which are used to control the heating means 10.

  The lid 13 is configured to cover the upper part of the container 2 of the main body 1. In the embodiment, it is attached to the upper part of the main body 1 by a hinge part 19 so as to be freely opened and closed.

  The partition plate 14 has a bubble removal valve 15 at the top, and is disposed in the container 2 to partition the side with and without the heating means 10 and the water outlet hole 7. In the embodiment, the peripheral edge portion is placed on the bottom surface of the container 2 with, for example, a gap, and has a crown shape with the upper portion of the water discharge hole 7 having a top portion with the bubble removal valve 15. Further, the temperature sensors 11 and 12 are also partitioned in the container 2 by the partition plate 14. The temperature sensor 11 detects the temperature inside the partition plate 14, and the temperature sensor 12 detects the temperature inside the container 1 outside the partition plate 14. The bubble removal valve 15 is pushed up and opened by the buoyancy of bubbles gathered on the inner top of the partition plate 14, and acts to bring out only the bubbles below the partition plate 14 to the container 1 side without discharging hot water. Reference numeral 16 denotes an activated carbon filter, which is provided on the inner surface of the partition plate 14.

  The water feeding device 17 uses a diaphragm type liquid pump that feeds the liquid in the container 2 from the water outlet 7. In the embodiment, the suction port of the diaphragm type liquid pump is connected to the water outlet 7 by the pipe 32, and the discharge port is connected to the injector 6 for extracting the beverage fixing part 18 by the pipe 30. The injector 6 is disposed on the main body 1 so as to be vertically movable downward below the start button 5 so that the injector 6 moves downward in conjunction with the pushing operation of the start button 5. Therefore, when the start button 5 is pressed, the injector 6 is lowered and the starter 5 is lowered by a detecting means (not shown), and the water supply device 17 starts to operate under the control of the control circuit. 6 to send. Further, a pressure valve 21 is interposed between the water feeding device 17 and the injector 6 so that the pressure is released to the outside when the pressure exceeds a certain level. In the pressure valve 21, a pipe 31 is connected between the opening of the pressure valve 21 and the container 1 so that the pressure of the hot water is released into the container 2 when the pressure of the hot water reaches a certain level.

  Furthermore, in this embodiment, it has the air supply apparatus 28 which consists of an air pump which pumps air into the drink pack 20 or drink powder. In the air supply device 28, the discharge portion is connected between the water supply device 17 and the injector 6 by a pipe 33 via a check valve 22. The air supply device 28 is controlled so as to be supplied to the beverage pack 20 in conjunction with the water supply device 17, but the air supply device 28 is used for those that can open the beverage pack with air. You can also.

  The beverage fixing unit 18 installs a beverage pack 20 or beverage powder extracted by the liquid sent out from the water feeding device 17. The beverage fixing portion 18 of the embodiment is a holding body that stores and holds the beverage pack 20 so that the lower end portion of the beverage pack 20 is exposed downward, and the lower end portion of the beverage fixing portion 18 is attached to a shaft that is detachable with respect to overpressure. It is attached to the main body 1 so as to be rotatable, and is attached so as to be rotatable between a position of a closed vertical posture in which an upper end portion approaches the main body 1 and a position of an open inclined posture away from the main body 1. In the opened position, the beverage pack 20 can be attached and detached, and in the closed position, the nozzle of the beverage pack 20 faces the injector 6. The reason why the beverage fixing portion 18 is detachable from the main body 1 is to allow the beverage fixing portion 18 to be detached without being damaged when a strong force is applied in the opened state.

  Therefore, when the start button 5 is pressed, the injector 6 is lowered to break through the nozzle of the beverage pack 20, and then the position at which the start button 5 is at the lowest position is detected by the detecting means, the water supply device 17 is operated by the control circuit, and the hot water is supplied. Hot water is poured into the beverage pack 20 from the injector 6.

  Reference numeral 23 denotes a filter that covers the water outlet hole 7, and the size of the mesh opening area of the filter 23 is made smaller than the minimum diameter of the water flow path of the water supply device 17.

  24 is a saucer provided detachably on the main body 1 below the beverage fixing part 16, 25 is a coffee cup for receiving coffee, and 26 is a power cord.

  Next, the flow paths of the water supply device 17 and the air supply device 28 will be described. As described above, when the start button 5 is manually pressed, the injector 6 is lowered and breaks through the nozzle of the beverage pack 20. Subsequently, the water supply device 17 is operated to absorb hot water from the water outlet 7 and hot water is supplied into the beverage pack 20 through the injector 6. When the inside of the beverage pack 20 reaches a certain pressure, the temperature-sensitive seal or the pressure-sensitive seal is peeled off, the lower portion of the beverage pack 20 is opened, and coffee is poured into the cup. At this time, hot water does not flow into the air supply device 28 because of the check valve 22. When the pressure on the injector 6 side is higher than a certain level, the pressure valve 21 operates to release hot water into the container 1 and depressurize the injector 6 side.

  Next, when the water supply device 17 supplies a certain amount of water (for example, an amount necessary for drinking coffee), the water supply device 17 stops, and then the air supply device 28 operates, via the check valve 22 and the pressure valve 21. Air is sent from the injector 6 into the beverage pack 20 and the liquid inside is pushed out into the cup until the drops disappear.

  2 to 4 show a liquid pump that is the water supply device 17. The liquid pump has a reciprocating conversion mechanism 42 coupled to a rotating shaft 41 of a motor 40. The reciprocating conversion mechanism 42 has a pinion gear 43 attached to the rotating shaft 41 and a tooth that is pivotally supported in a cylindrical attachment base 44 that attaches the motor 40 to the outer bottom surface and meshes with the pinion gear 43 that penetrates the attachment base 44. A reciprocating converter having a crank body 45 with a speed reducer, a drive shaft 46 provided at an eccentric position of the crank body 45, and a bearing 47 fitted to the tip of the drive shaft 46, for example, a bowl-shaped crusher 48 It is made up of.

  A flat valve housing 49 is attached to the mounting base 44 via a bottomed cylinder 50, and a plurality of, for example, three, integrally formed peripheral edges of diaphragms 51 are in close contact with the valve housing 49. A pressure chamber 51 a is formed for each diaphragm 51 by being sandwiched between the bottom of each of the diaphragms 51. The valve housing 49 forms a discharge cylinder portion 53 in which each of the pressure chambers 51 a communicates with an intermediate position of the plurality of diaphragms 51. A cylindrical discharge valve 54 that is closely fitted into the discharge cylinder portion 53 by elasticity is formed integrally with the diaphragm 51, and three discharge slits 70 are attached to the tip thereof to form independent discharge valve portions 54a to 54c. The discharge valve portions 54a to 54c are in close contact with the inner surface of the discharge cylinder portion 53, and the discharge valve portions 54a to 54c are recessed to communicate with the discharge cylinder portion 53 from the pressure chambers 51a of the three diaphragms 51. Each of 60a to 60c is closed and opened by reverse pressure, that is, discharge pressure.

  In the plurality of diaphragms 51, the reciprocating operation portion 51 b is connected to the roof portion of the crusher 48 of the reciprocating conversion mechanism 42, and the reciprocating operation portion 51 b reciprocates as the crusher 48 rotates. In addition, an umbrella valve is used as the suction valve 56, and the suction hole 71 is closed elastically in close contact with the edge of the suction hole 71 formed by a plurality of small holes corresponding to the diaphragms 51 of the valve housing 49, so that the reverse pressure is increased. That is, the valve is opened by the negative pressure during inhalation. In this case, hydrogenated nitrile rubber is used in place of the conventional chloroprene rubber for at least one of the diaphragm 51 of the liquid pump and the suction / discharge valves 56 and 54 thereof. A seal plate 63 is attached to the opposite side of the valve housing 49 from the diaphragm 51 via a gasket 62. The seal plate 63 has a suction cylinder part 64 communicating with the suction hole 71 and the discharge cylinder part 53 via an O-ring 65. A hole 66 is formed to penetrate therethrough. The material of the valve housing 49, the cylinder 50, and the seal plate 63 uses PPS resin instead of PP resin. Reference numeral 67 denotes a housing presser, which fixes the seal plate 63, the valve housing 49, and the cylinder 50 to the mounting base 44 through a fixture such as a screw.

  Therefore, when the motor 40 is operated, the drive shaft 46 and the crusher 48 are rubbed, and the diaphragms 51 are reciprocated in order to repeat the expansion and compression operations. As a result, when the diaphragm 51 is expanded, the suction valve 56 is opened by the negative pressure action, and any of the discharge valves 54a to 54c is closed, and the liquid is sucked into the diaphragm 51 from the suction cylinder portion 64. When the diaphragm 51 is still compressed, the suction valve 56 is closed by pressure and any one of the discharge valves 54a to 54c is pushed and opened, and is pumped from the discharge cylinder 53 to the outside. Since the reciprocating mechanism 42 is continuously operated by the operation of the motor 40, the pump operation is such that liquid is sucked from the suction cylinder portion 64 and discharged from the discharge cylinder portion 53.

  Further, the water feeding device 17 has a water leak seal 60 of the diaphragm 51, the peripheral part of which is tightly held between the mounting base 44 and the cylinder 50, and the hole in the central part is closely fitted to the customer part of the crusher 48. ing. Thereby, even if the liquid leaks from the diaphragm 51 side, the liquid can be prevented from entering the motor 40 side.

  Thus, the liquid pump has the discharge cylinder portion 53, and the discharge valve 54 of the liquid pump has a cylindrical shape that is elastically in close contact with the inner peripheral surface of the discharge cylinder portion 53, and the discharge valve portion 53 is provided with the discharge valve 54. The communication portions 60 a to 60 c that communicate between the inside of the discharge cylinder portion 53 and the inside of the diaphragm 51 are formed, and a plurality of communication portions 60 a to 60 c are provided according to the number of diaphragms 51, and the communication portion is connected to the cylindrical discharge valve 54. Since the split slits 70 that are divided every 60a to 60c are formed, even if the plurality of diaphragms 51 are individually compressed and expanded, the discharge valves 54 are individually provided, which adversely affects the operation of other diaphragms. It can discharge without. When the cylindrical discharge valve has no split slit, it is easy for the entire diaphragm to be elastically deformed during one discharge operation and the discharge valve portion of the diaphragm that is not in the other discharge operation to easily open.

  3 is a cross-sectional view of the valve housing 49 taken along line AA in FIG. 2. A discharge valve 54 having a split slit 70 is in close contact with the inside of the discharge cylinder portion 53, and a suction hole 71 is formed in the periphery of the diaphragm 51. It can be seen that it is formed accordingly.

  FIG. 4 shows a diaphragm 51, in which three diaphragms 51 are uniformly formed by an integral part 51c, and a columnar part 51d is provided at the center part in a direction opposite to the reciprocating operation part 51b of the diaphragm 51, and extends on the columnar part 51d. Thus, a cylindrical discharge valve 54 with a split slit 70 is formed.

  The air supply device 28 is also of a diaphragm type, and is similar to the second embodiment, except that, for example, the pinion gear 43, the gasket 62, and the water leakage seal 60 are not provided.

  Although the partition plate 14 is provided in the embodiment, the present invention can be applied to a configuration without the partition plate 14 in the present invention.

  Further, although the pressure valve 21 is released in the container 1, the pressure valve 21 may be released in a place other than the container 1.

  Although the drink fixing | fixed part 18 installed the drink pack 20, you may install drink powder.

  The beverage extractor according to the present invention has an effect that it can be made small and compact suitable for small offices or general households of about 20 to 30 persons, and is useful as an extractor for coffee or tea. is there.

1 is a schematic sectional view of a first embodiment of the present invention. It is sectional drawing of the liquid pump which is a water feeding apparatus. It is the sectional view on the AA line of FIG. A diaphragm is shown, (a) Top view, (b) is a half cross-sectional side view. A drink pack is shown, (a) is a front view, (b) is the perspective view of the state which fractured | ruptured both sides. It is a perspective view of the distribution channel of a prior art example. It is explanatory drawing explaining operation | movement of the tube pump of a prior art example.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Main body 2 Container 5 Start button 6 Injector 7 Outlet hole 10 Heating means 11, 12 Temperature sensor 13 Cover 14 Partition plate 15 Foam valve 17 Water supply device 18 Beverage fixing part 20 Beverage pack 21 Pressure valve 22 Check valve 23 Filter 28 Feed Ventilation device 40 Motor 41 Rotating shaft 42 Reciprocating conversion mechanism 51 Diaphragm 54 Discharge valve 56 Suction valve 60 Water leak seal 70 Split slit

Claims (6)

A container in which a liquid is stored and a water outlet hole is formed in the bottom, a heating means for heating the liquid in the container, a lid that covers the upper part of the container, and a diaphragm motion that expands and compresses the diaphragm by a rubbing motion. A water supply device using a diaphragm-type liquid pump for sending out the liquid in the container from the hole, a beverage fixing part for installing a beverage pack or beverage powder extracted by the liquid sent from the water supply device, and air for the beverage An air-feeding device comprising an air pump for pumping the pack or the beverage powder,
The water feeding device has an injector for supplying the beverage fixing portion at a tip thereof, and a pressure between the liquid pump and the injector that allows liquid to escape into the container when a discharge pressure of the liquid pump exceeds a certain level. A beverage extractor comprising a valve and a discharge part of the air supply device connected between the liquid pump and the injector via a check valve. A container containing a liquid and having a water outlet hole formed in the bottom; a heating means for heating the liquid in the container; a lid covering the upper portion of the container; and a heating means and a water outlet hole disposed in the container. A partition plate that is divided into a side and a side that does not have a bubble removal valve at the top, and a diaphragm-type diaphragm that sends out liquid in the container from the water discharge hole by expanding and compressing the diaphragm by a rushing motion. A water feeding device using a liquid pump, a beverage fixing unit for installing a beverage pack or beverage powder extracted by the liquid delivered from the water feeding device, and an air pump for pumping air to the beverage pack or the beverage powder. An air supply device,
The water feeding device has an injector for supplying the beverage fixing portion at a tip thereof, and a pressure between the liquid pump and the injector that allows liquid to escape into the container when a discharge pressure of the liquid pump exceeds a certain level. A beverage extractor comprising a valve and a discharge part of the air supply device connected between the liquid pump and the injector via a check valve.   The beverage extractor according to claim 1 or 2, wherein at least one of the diaphragm of the liquid pump and the suction / discharge valve thereof is made of hydrogenated nitrile rubber.   The beverage extractor according to claim 1 or 2, wherein the outlet hole is covered with a filter having a mesh, and the size of the opening area of the filter mesh is made smaller than the minimum diameter of the water flow path of the liquid pump.   The beverage extractor according to claim 1 or 2, wherein the liquid pump has a diaphragm water leak seal.   The liquid pump has a discharge cylinder part, and the discharge valve of the liquid pump has a cylindrical shape that is elastically in close contact with the inner peripheral surface of the discharge cylinder part, and the discharge cylinder is connected to the discharge cylinder part via the discharge valve. 2. A communication part that communicates the inside of the part and the inside of the diaphragm is formed, a plurality of the communication parts are provided according to the number of the diaphragms, and split slits are formed in the tubular discharge valve to divide the communication parts for each of the communication parts. Or the drink extractor of Claim 2.

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