JP3078809B1 - Beverage brewing equipment - Google Patents

Abstract

[PROBLEMS] To always guide desired high-temperature water to a discharge pipe without fail, to have a simple structure and to easily perform an assembling operation. A closed lid (6) for closing an upper end opening of a water heater tank (5), a first pipe (37) for a steam release pipe protruding from an upper surface of the closed lid (6), a water supply tank (2) and a water heater tank (5).
, A water supply pipe 7 for connecting coffee and tea leaves, etc., and a boiling water in a water heater tank 5 to a third pipe 3.
A discharge pipe 9 for guiding the chamber 8 upward through 9;
The beverage extraction device includes a warmer 12 on which the storage container 10 is placed and which keeps the extract in the storage container 10 warm, and a temperature control mechanism that controls a heater to operate at a predetermined temperature.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a beverage extracting apparatus for extracting coffee, tea and the like, and more particularly to an installation of a water injection pipe for guiding water in a water supply tank through a water supply pipe into a water heater.

[0002]

2. Description of the Related Art Conventionally, a beverage brewing apparatus used for business use has a water supply tank at an upper front portion of the apparatus body, a bottomed tubular water heater tank equipped with a heater, and a closed lid for closing an upper end opening of the water heater tank. A first pipe for a steam vent pipe protruding from the upper surface of the sealing lid, a second pipe for a water supply pipe, a third pipe for a discharge pipe, a water injection pipe hanging down from a lower surface of the second pipe, A water supply pipe connecting the tank and the water heater tank via a second pipe on the closed lid, a chamber for setting coffee powder, tea leaves, and the like, and the boiling water in the water heater tank upward through the third pipe to the chamber. A discharge pipe, a storage container for storing the extracted liquid from the bottom of the chamber, a warmer for placing the storage container and keeping the extracted liquid in the storage container warm, and controlling the heater to a predetermined temperature. ; And a temperature control mechanism to be operated, enters kettle tank through the water supply pipe to the water supply the desired water to the water tank, the water in the kettle in the tank is boiled is heated by the heater.

Further, when predetermined water required for the water supply tank is added, additional water is supplied into the water heater tank through the water supply pipe, and the boiling water corresponding to the additional water in the water heater tank causes the siphon phenomenon. And discharged to the upper part of the chamber through the discharge pipe. After laying filter paper in this chamber, raw materials such as coffee powder and tea leaves are set, and the boiling water discharged from the upper part of the chamber is mixed with the raw materials, and is dropped as an extract from the lower part of the chamber,
Stored in a container. The extract in this container was warmed by a warmer so that warm coffee, tea, etc. could be drunk at all times.

[0004]

However, in this type of beverage brewing apparatus, a first pipe for a steam vent pipe and a second pipe for a water supply pipe are formed by penetrating the upper surface of the sealing lid through the sealing lid.
A pipe and a third pipe for a discharge pipe are mounted, respectively, a water injection pipe communicating with the second pipe is provided on the lower surface of the sealing lid, and an annular flange is provided on an outer periphery of an upper end of the water injection pipe. Since spot welding was performed on the lower surface of the sealing lid, water vapor generated by boiling in the water heater tank adhered to the lower surface of the sealing lid, contacted and corroded with the annular flange of the spot-welded water injection pipe, and rapidly peeled off the weld location. A gap is created between the upper end of the water supply pipe and the lower surface of the sealing lid, and water from the water supply pipe is not poured into the lower part of the tank, but is poured into the upper part of the tank. As a result, there is a problem that the upper portion of the water heater tank is always warm water, and it is impossible to discharge desired high-temperature water from the discharge pipe.

The present invention has been made to solve the problems of the conventional beverage brewing apparatus, and can always lead a desired high-temperature water to a discharge pipe without fail and have a structure. It is an object of the present invention to provide a beverage extracting apparatus which is simple and can be easily assembled.

[0006]

In order to achieve the above object, a beverage brewing apparatus according to the present invention comprises a water supply tank 2 in an upper part of a main body 1A of the apparatus, a bottomed water heater tank 5 having a heater 3 and a bottom. , A closed lid 6 for closing the upper end opening of the water heater tank 5, a first pipe 37 for a steam drain pipe protruding from the upper surface of the closed lid 6, a second pipe 38 for a water supply pipe, and a third pipe 38 for a discharge pipe. A pipe 39, a water supply pipe 40 hanging down from the lower surface of the second pipe 38, a water supply pipe 7 connecting the water supply tank 2 and the water heater tank 5 via the second pipe 38 on the sealing lid 6, coffee powder, black tea The chamber 8 for setting leaves and the like, and the boiling water in the water tank 5
A discharge pipe 9 for guiding the chamber 8 upward through a pipe 39, a storage container 10 for storing the extracted liquid from the bottom of the chamber 8, and a storage container 10 on which the storage container 10 is placed.
A beverage extractor comprising a warmer 12 for keeping the extracted liquid warm, and a temperature control mechanism for controlling a heater to operate at a predetermined temperature. Insert from above the pipe 38 and close the lid 6
It is configured to hang downward and lock the upper end to the upper end of the second pipe 38. Further, the outer peripheral wall of the upper end portion of the water injection pipe 40 that is locked and held at the upper end of the second pipe 38 is formed in a trumpet shape larger than the inner diameter of the second pipe 38. Further, the engaging portion is provided on the inner peripheral wall of the second pipe 38, and the engaging portion for engaging the engaging portion is provided on the outer peripheral wall of the water injection pipe 40.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. 1 is a front view of the embodiment of the present invention, FIG. 2 is a longitudinal sectional view of the embodiment of the present invention, FIG. 3 is an enlarged vertical sectional view of the upper portion of the embodiment of the present invention, and FIG. FIG. 5 is an exploded perspective view showing a main part of an embodiment of the present invention, and FIG. 6 is a vertical cross-sectional view showing a main part of another embodiment of the present invention.

The beverage brewing apparatus 1 is for business use especially used in offices and the like, and includes a water supply tank 2 at an upper portion inside the apparatus main body 1A, a hot plate 4 having a heater 3 arranged in the apparatus main body, and A water heater tank 5 placed on the hot plate 4;
A closed lid 6 for closing the water heater tank 5 and the upper end opening, a water supply pipe 7 for connecting the water supply tank 2 and the water heater tank 5, a lid 18 for the apparatus main body for closing the upper end opening of the apparatus main body 1A, coffee powder, black tea A sliver-shaped chamber 8 for setting raw materials such as leaves, a discharge pipe 9 for guiding boiling water in a water heater tank 5 to an upper side of the chamber 8, and a storage container 10 for storing an extract extracted from the bottom of the chamber 8.
And a warmer 12 of a pedestal 11 at the lower front of the apparatus main body 1A for mounting the storage container 10 and keeping the extract in the storage container 10 warm, and an electric circuit mechanism by a microcomputer for controlling a power supply from an outlet. Consists of

The apparatus main body 1A of the beverage brewing apparatus 1 has a frame having a flat frame provided on both sides of an underframe, and a front U-shaped front frame made of a synthetic resin material in front of the frame. The frame is engaged and divided in the vertical direction, and the side frames of the synthetic resin material are respectively engaged from the left and right sides of the framing frame to form a U-shape in side view, and the upper front is a beak 15 and the lower front is a pedestal. 11, and the rear portion is a cylindrical body portion 59.

As shown in FIG. 3, the apparatus main body 1A has a water tank 5 removably incorporated in a cylindrical body 59, and a lower holder 30 for supporting the lower part of the water tank 5 below the water tank 5. The upper holder 33 for supporting the upper part of the water tank 5 above the water tank 5
Is fixed. The upper holder 33 has an opening through which the water heater tank 5 can be inserted, and a beak lower plate portion 60 that covers the lower portion of the beak 15 through the upper front of the cylindrical body 59 in front of the opening. The beak lower plate portion 60 of the upper holder 33 is provided on an upper wall with a support shaft 49 of the water supply tank 2 described later.
The holding shaft 51 is provided to protrude.

A plurality of outward claws are provided at predetermined intervals around the outer periphery of the peripheral wall forming the upper end opening of the apparatus main body 1A. The apparatus main body 1A has a power cord storage section 13 below the lower holder 30. The apparatus main body 1A has the water supply tank 2 built in the upper part of the beak 15, and the chamber 8 is mounted below the beak 15 together with the chamber holder 54 so as to be freely housed. The chamber 8 is formed in a mortar shape from a synthetic resin material, and has a plurality of small holes formed on the bottom surface.

In the chamber 8, a filter paper is laid beforehand, and materials such as coffee powder and tea leaves are set on the filter paper, and are disposed at the lower end of the beak 15 below the tip of the discharge pipe 9. The chamber holder 54 houses the chamber 8 from above, and is mounted on the apparatus main body 1A so as to be freely housed in front and rear.

An apparatus body cover 18 for closing the upper end opening of the apparatus body 1A is formed by inverting a dish-like shape having a low side wall on the outer periphery, and the apparatus is spaced apart from the inner side wall by a predetermined distance. A plurality of claw grooves corresponding to the claws of the main body 1A are provided. One of the plurality of claw grooves is a removal claw groove for removing the apparatus main body cover 18 from the apparatus main body 1A, and is a position hidden by the handle 21 placed on the handle mounting portion of the apparatus main body 1A. Formed on the side inner wall. A through hole is formed in the upper part of the groove for removing nails for inserting a coin and pushing in the nail for removing.

The lid 18 for the apparatus main body has a water tank opening / closing lid 19 which can be opened and closed at a position located above the water tank 2 at the front. In the lid 18 for the device main body, the opening / closing lid 19 for the water supply tank has an annular groove formed of two ribs facing downward on an inner wall around the farther apart. A cushion material made of polyethylene foam or silicone foam is pressed into the annular groove, and a water supply tank 2 described later is pressed.
The mouth of the water receiving container is made to contact the cushion material.

The water heater tank 5 is formed of a stainless steel material or the like in the shape of a bottomed cylinder, and as shown in FIG. 3, the upper end opening of the water heater tank 5 is closed by a detachable sealing lid 6 from the inside. ing. The water heater tank 5 is provided with an inwardly concave annular bead for reinforcing the water heater tank 5 in a vertical direction around a cylindrical upper portion close to an upper end opening. This annular bead comes into contact with a seal packing 57 stretched around the outer periphery of the sealing lid 6 described later.

The water heater tank 5 is detachably mounted on a hot plate 4 to be described later, and the bottom surface of the water heater tank 5 is formed in a mountain shape depressed toward the center inside along the upper surface shape of the hot plate 4. ing. The bottom surface of the water heater tank 5 only needs to have good heat transfer efficiency with the hot plate 4, and if the top surface of the hot plate 4 is flat, the bottom surface may be formed along the flat shape. The corner of the bottom of the water heater tank 5 is formed in a large arc shape. The arc shape of the corner facilitates cleaning of the bottom surface of water heater tank 5.

The closed lid 6 for the water heater tank is shown in FIGS.
As shown in (2), it is detachably mounted in the form of a drop lid inside the upper end opening of the water heater tank 5, and the upper center is pressed by the fastening member 35. The sealing lid 6 is formed of a metal material into a substantially flat plate shape, and a seal packing 57 having a U-shaped vertical cross section is stretched over the outer peripheral end of the flat plate shape. The seal packing 57 is in contact with the annular bead of the water heater tank 5 to close the upper end opening of the water heater tank 5.

As shown in FIGS. 3 to 5, the sealing lid 6 has a first pipe 37 on the upper surface for communicating with the inside of the water heater tank 5, and a second pipe 37 for supplying water to the inside of the water heater tank 5. A second pipe 38 and a third pipe 39 for a discharge pipe communicating with the inside of the water heater tank 5 are provided. The first pipe 37 is welded to the rear of the sealing lid 6 vertically to the sealing lid 6.

The second pipe 38 is located in front of the first pipe 37, and the lower end peripheral wall is vertically welded to the sealing lid 6 so as to be welded.
Penetrates up and down. Numeral 40 denotes a water injection pipe, the lower end of which is inserted from above the second pipe 38 of the hermetic lid 6, and
, And hangs down below the sealing lid 6, and the upper end is locked and held at the upper end of the second pipe 38. This irrigation pipe 4
Numeral 0 denotes an outer peripheral wall of the upper end formed in a trumpet shape larger than the inner diameter of the second pipe 38.
The upper end of the trumpet is locked to the upper end of the second pipe 38.

If the second pipe 38 penetrates vertically through the sealing lid 6 and is welded on the upper surface of the sealing lid 6, it does not come into contact with the water vapor in the water heater tank 5, so that there is no peeling of the welding location. Also, the water injection pipe 40 on the lower surface of the sealing lid 6 penetrating through the second pipe 38 does not come off even if it is in the water heater tank 5 because the upper surface of the sealing lid 6 is joined to the second pipe 38. The water from the water supply tank 7 can be reliably boiled and poured downward in the tank 5.

The second pipe 38 is, as shown in FIG.
An engagement portion 64 formed of an annular or single protrusion may be provided on the inner peripheral wall to firmly hold the inserted water injection pipe 40. As shown in FIG. 6, an engaging portion 65 formed of an annular or single recess may be provided on the outer peripheral wall of the water injection pipe 40, as opposed to the engaging portion 64 of the second pipe 38. The third pipe 39 is made of a synthetic resin material. The third pipe 39 is located at the center front, the lower end is not fitted to the sealing lid 6, and the upper end is provided obliquely downward and forward.

As shown in FIG. 3, a fastening member 35 for tightly contacting the upper opening of the tank 5 with the sealing lid 6 in the water heater 5 has a vertical U-shaped cross section in which both ends are detachably mounted on an upper holder 33 of the apparatus main body 1A. And a knob bolt which is screwed through the center of the backing plate and abuts on the lower end of the sealing lid 6.

If the lower end of the knob bolt comes into contact with and presses against the sealing lid 6, the knob on the backing plate idles even if the knob bolt is further turned, and the knob is restricted so that no further pressing force is exerted. The pressing force works.
The backing plate and the knob bolt may be integrally formed as long as they perform the above operations. By attaching and detaching the fastening member 35, the sealing lid 6 can be easily attached and detached from the upper opening of the water heater tank 5.

The heating plate 4 for heating the water heater tank 5 is provided with a heater 3 and is formed in a disk shape having a central opening by a metal material having good heat conductivity, in particular, aluminum die casting or the like.
The heater 3 for heating the hot plate 4 is buried in a ring shape on the lower peripheral wall of the hot plate 4 by a sheathed heater. At the center opening of the hot plate 4, a sensor member 28 that senses the temperature of water in the water heater tank 5 and turns off the power only when the water heater tank 5 is placed on the hot plate 4 is provided on the hot plate 4. It is mounted so that it can protrude freely.

A hot plate cover for covering the lower surface of the hot plate 4 is screwed to a lower holder 30 in the apparatus main body 1A, and is fixed together with the hot plate 4 in the apparatus main body 1A. The hot plate cover functions as a heat shield so that the heat of the hot plate 4 is not radiated to the lower portion inside the apparatus main body 1A.

Reference numeral 31 denotes a heat insulating material such as glass fiber, which is formed in a cylindrical shape surrounding the body of the water heater tank 5 so as to prevent heat radiation from the body of the heated water heater tank 5. An outer cylinder 32 is provided on the inner periphery of the cylindrical heat insulating material 31. This outer cylinder 32 is formed in a cylindrical shape from a metallic material,
The water tank 5 is formed to have a diameter large enough to be freely taken in and out. The lower end of the outer cylinder 32 is placed on the upper surface of the hot plate cover on the outer periphery of the hot plate 4 together with the heat insulating material 31 wound around the outer cylinder, and the upper end is placed on the upper holder 33 in the apparatus body 1A.
It is fixed to.

Since the heat insulating material 31 may be wound around the outer cylinder 32 before assembly, the assembling operation can be easily performed. The heat insulating material 31 is prevented from falling inward by the outer cylinder 32, and the inner periphery of the outer cylinder 32 serves as a guide cylinder when the water heater tank 5 is attached or detached. Can be easily attached and detached.

Further, since the heat insulating material 31 is made invisible from above by the outer tube 32 and the upper holder 33, it is possible to prevent the heat insulating material 31 from being unsightly and the heat insulating material 31 from being itchy due to glass fibers. Further, since the heat insulating material 31 and the outer cylinder 32 prevent the vertical direction of the water heater tank 5 due to the pressing of the sealing lid 6 described later, the reinforcement of the water heater tank 5 in the vertical direction can be strengthened.

Numeral 61 denotes a tubular heat insulating material formed of a heat insulating material such as glass fiber or urethane foam into a short cylindrical shape. The upper portion of the water heater tank 5 is disposed on the upper holder 33 so as to prevent heat radiation from the upper body of the water heater tank 5. Surrounds the outer circumference. 6
Reference numeral 2 denotes an upper wall heat insulating material formed of a heat insulating material such as glass fiber or urethane foam in a flat plate shape, and covers the upper surface of the sealing lid 6 so as to prevent heat radiation from the upper surface of the sealing lid 6 as shown in FIG. In this way, the area around the water heater tank 5 and the sealing lid 6 is entirely covered with the heat insulating material 31, the outer cylinder 32, the cylindrical heat insulating material 61, and the upper wall heat insulating material 62, so that the heat retaining effect is reliably improved. It will be.

The water supply tank 2 has a double structure of a water supply container 44 and a water receiving container 45 containing the water supply container 44. The water supply container 44 is formed of a synthetic resin material in a shallow small bowl shape, has a central bottom formed in an L-shaped step shape, and has an open lowermost end. The water supply container 44 is arranged below the water supply tank opening / closing cover 19 of the apparatus main body cover 18.

At the bottom opening of the water supply container 44, a mesh filter is stretched from the upper side to the L-shaped step portion, and a detachable annular frame is mounted along the inner wall of the L-shaped step portion on the mesh filter. doing. Activated carbon is mounted on the mesh filter in this annular frame. A plurality of small projections are formed on the outer wall of the annular frame at appropriate intervals, and the projections come into contact with the L-shaped step so that the annular frame is tightly fitted into the L-shaped step. . The water supply container 44 is formed such that there is a gap between the water supply container 44 and a water discharge pipe connected to the water receiver container 45 described later.

The water receiving container 45 is formed in a cylindrical shape with a shallow side wall having an inclined bottom inclined rearward and downward, and a pipe for a steam vent pipe is connected to an upper portion of the rear side wall. The water supply pipe 7 is connected to a position below and below the steam drain pipe. Reference numeral 49 denotes a support shaft integrally formed with the lower wall of the inclined bottom so as to engage with the upper holder 33 and the holding shaft of the locking member.

The upper end of the wall forming the upper opening of the water receiving container 45 is fitted in the annular groove of the lid 18 for the device main body, and closely contacts the cushion material in the annular groove. As described above, the water supply tank 7 engages the support shaft 49 of the water receiving container 45 containing the water supply container 44 with the holding shaft 51 provided on the upper holder 33 of the apparatus main body 1A, and fixes the upper end of the water receiving container 45 to the apparatus main body. It has a structure in which there is no fixed part at all just by fitting into the annular groove of the lid 18 for use.

Although the water supply pipe 7 is formed integrally with the water receiving container 45 at the rear end of the inclined bottom of the water receiving container 45, forming the water supplying pipe 7 separately from the water receiving container 45 does not cause any problem. . The water supply pipe 7 integrally formed with the water receiving container 45
Has an entrance close to the water receiving container 45 as a large opening, and an outlet communicating with the second pipe 38 of the sealing lid 6 as a small-diameter portion with a step. The small-diameter portion of the water supply pipe 7 is fitted outside the upper part of the second pipe 38 of the closed lid 6.

In the water supply pipe 7, the distance between the rear end of the water receiving container 45 and the sealing lid 6 is reduced to make the liquid flow path extremely short. The corner wall is formed at a large angle. The large angle of this corner eliminates the accumulation of bubbles and prevents the supply pressure from dropping. The discharge pipe 9 has a rear end fitted to the third pipe 39 of the closed lid 6 and has a free end disposed above the chamber 8 to be described later. The discharge pipe 9 is separate from the sealing lid 6 and is detachable together with the sealing lid 6. However, even if the discharge pipe 9 is integrally formed with the third pipe 39, no problem occurs.

The steam vent pipe 50 is formed in a tube of an elastic material such as a rubber material, and has one end connected to the water receiving container 4.
5 is fitted to a pipe for a steam vent pipe, and the other end is sealed with a lid 6
Of the first pipe 37 for the steam vent pipe. The steam release pipe 50 is set in a state where either the pipe for the steam release pipe of the water receiving container 45 or the first pipe 37 for the steam release pipe of the seal lid 6 is removed when the sealing lid 6 is attached or detached. Work may be performed.

Aside from the discharge pipe 9 at the free end, the water supply pipe 7 and the steam release pipe 50 can be easily attached and detached from the second pipe 38 and the first pipe 37 of the closed lid 6. Reference numeral 52 denotes a locking member,
3 is formed so as to cover the through hole for the shower ball, and a discharge pipe hole smaller than the through hole of the upper holder 33 is formed in the upper center, and the water receiving container 45 is formed around the discharge pipe hole. A holding shaft 51 that operates in the same manner as the holding shaft 51 that engages with the support shaft 49 is provided vertically, and an opening for a shower ball is formed at the lower center.

The locking member 52 is detachable together with the water supply tank 7. The locking member 52 is inserted into the discharge pipe hole with the free end of the discharge pipe 9 facing downward. A shower ball 53 is formed in a hemispherical mesh with an annular flange on the upper surface.
Into the shower ball opening from below and locked.

A sliver-like chamber 8 for setting raw materials such as coffee powder and tea leaves is provided with a chamber holder 54.
Also, it is housed in the front part of the apparatus main body 1A so as to be slidable back and forth. The storage container 10 for storing the extracted liquid extracted from the bottom of the chamber 8 is a single glass bottle having good heat conductivity. A warmer 12 on which the storage container 10 is placed and which keeps the extract in the storage container 10 warm is formed by an enamel and is provided on a pedestal portion 11 at a lower front portion of the apparatus main body 1A. And a sensor.

The electric circuit mechanism by the microcomputer does not conduct electricity when the water heater tank 5 is detached, and does not conduct electricity when the water heater 5 is empty without water. A water heater tank low-temperature maintaining operation means for maintaining high-temperature water from a high-temperature state to a low-temperature state for a preset time, and thereafter returning to the high-temperature state, and also constantly maintaining the heat-retaining state in the warmer 12, and supplying electricity when the storage container 10 is detached. Without
The storage container 10 is provided with a storage container energization control unit that does not energize the empty boiler without water.

In extracting the extract, first, when water is supplied to the water supply tank 2, the water is collected in the water heater tank 5 through the water supply pipe 7. When the power is turned on, the water is heated by the hot plate 4 and the water in the water heater tank 5 becomes hot water. When the required amount of water is supplied to the water supply tank 2 after the hot water is formed, the amount of hot water supplied to the lower portion of the tank 5 through the water injection pipe 40 is reduced by the amount of water supplied through the discharge pipe 9 due to the siphon phenomenon and the shower ball is discharged. The raw material, such as coffee powder and tea leaves, set in the chamber 8 beforehand, flows out from the bottom of the chamber 8 as an extract through the filter paper. If the extracted liquid that has flowed out is stored in the storage container 10 and the storage container 10 is placed on the warmer 12, the warmer 12 can always enjoy warm coffee, tea, and other drinks.

Although the embodiment which is considered to be a representative example of the present invention has been described above, the present invention is not necessarily limited to the structure of the embodiment, but has the above-mentioned constitutional requirements according to the present invention. The invention achieves the object of the invention and can be carried out with appropriate modifications within a range having the following effects.

[0043]

As is clear from the above description, the beverage brewing apparatus according to the present invention comprises a water supply tank in the upper part of the apparatus body, a bottomed cylindrical water heater tank equipped with a heater, and a water heater tank. A sealing lid for closing an upper end opening, a first pipe for a steam vent pipe protruding from an upper surface of the sealing lid,
A second pipe for the water supply pipe, a third pipe for the discharge pipe, a water injection pipe hanging down from a lower surface of the second pipe, and a water supply for connecting the water supply tank and the water heater tank via the second pipe on the closed lid A pipe, a chamber for setting coffee powder, tea leaves, etc., a discharge pipe for guiding the boiling water in the water heater tank to the upper part of the chamber via the third pipe, and a storage container for storing the extract extracted from the bottom of the chamber. A beverage extractor comprising a warmer for placing a storage container and keeping the extract in the storage container warm, and a temperature control mechanism for controlling a heater to operate at a predetermined temperature,
The lower end of the water injection pipe is inserted from above the second pipe of the hermetic lid, hangs down below the hermetic lid, and the upper end is locked and held at the upper end of the second pipe. Further, the outer peripheral wall at the upper end of the water injection pipe which is locked and held at the upper end of the second pipe is formed in a trumpet shape larger than the inner diameter of the second pipe. Furthermore, since the engaging portion is provided on the inner peripheral wall of the second pipe, and the engaging portion for engaging with the engaging portion is provided on the outer peripheral wall of the water injection pipe, the water injection pipe may penetrate the sealing lid. As a result, the water supplied from the water supply pipe will come out from the lower end of the water supply pipe hanging down in the water heater tank without being joined to the lower surface of the sealing lid, so that the desired high-temperature water is always discharged reliably. Can lead to Further, since this water injection pipe is simply inserted from above the second pipe so that the lower end thereof hangs down below the sealing lid, the structure is simple and the assembling work is extremely easy. Further, since the upper end of the water injection pipe is formed in a trumpet shape larger than the inner diameter of the second pipe, the inserted water injection pipe is joined to the upper end inner diameter of the second pipe below the trumpet shape, thereby simplifying the water injection pipe. Lock securely. Furthermore, since the engaging portion of the inner peripheral wall of the second pipe and the engaging portion of the outer peripheral wall of the water injection pipe are locked, a remarkable effect of firmly holding and holding the water injection pipe on the second pipe is expected. It was possible to do.

[Brief description of the drawings]

FIG. 1 is a front view of an embodiment of the present invention.

FIG. 2 is a longitudinal sectional view of the embodiment of the present invention.

FIG. 3 is an enlarged vertical sectional view of an upper portion of the embodiment of the present invention.

FIG. 4 is a longitudinal sectional view showing a main part of the embodiment of the present invention.

FIG. 5 is an exploded perspective view showing a main part of the embodiment of the present invention.

FIG. 6 is a longitudinal sectional view showing a main part of another embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Beverage extraction device 1A ... Device main body 2 ... Water supply tank 3 ... Heater 5 ... Water heater tank 6 ... Sealing lid 7 ... Water supply pipe 8 ... Chamber 9 ... Discharge pipe 10 ... Storage container 37 ... 1st pipe 38 ... 2nd pipe 39 … Third pipe 40… water injection pipe 54… chamber holder 56… horizontal part 57… seal packing 64… engaging part 65… locking part

Claims (3)

(57) [Claims] 1. A water supply tank (2) in an upper part of an apparatus main body (1A), a bottomed tubular water heater tank (5) provided with a heater (3), and an upper end opening of the water heater tank (5) are closed. A hermetic lid (6), a first pipe (37) for a vapor vent pipe protruding from the upper surface of the hermetic lid (6), a second pipe (38) for a water supply pipe, and a third pipe ( 3
9), the water supply pipe (40) hanging down from the lower surface of the second pipe (38), the water supply tank (2) and the water heater tank (5) via the second pipe (38) on the sealing lid (6). Water pipe (7), a chamber (8) for setting coffee powder, tea leaves, etc., and boiling water in the water heater tank (5) upward through the third pipe (39) to the chamber (8). The discharge pipe (9), the storage container (10) for storing the extracted liquid from the bottom of the chamber (8), and the storage container (1) on which the storage container (10) is placed.
0) a beverage extractor comprising a warmer (12) for keeping the extract liquid warm, and a temperature control mechanism for controlling a heater to operate at a predetermined temperature.
0) is inserted from above the second pipe (38) of the sealing lid (6), and is hung down below the sealing lid (6).
A beverage brewing device characterized by being locked and held at an upper end of a pipe (38). 2. An outer peripheral wall of an upper end portion of a water injection pipe (40) which is locked and held at an upper end of a second pipe (38).
The beverage extraction device according to claim 1, wherein the beverage extraction device is formed in a trumpet shape larger than the inner diameter of (8). 3. An engaging portion is provided on an inner peripheral wall of the second pipe (38), and an engaging portion for engaging with the engaging portion is provided on an outer peripheral wall of the water injection pipe (40). The beverage brewing device according to claim 1.