JP3028038B2 - Beverage production equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a beverage producing apparatus for extracting coffee, tea, etc.

[0002]

2. Description of the Related Art Conventionally, a beverage manufacturing apparatus has a water supply tank at the top of the body of the beverage manufacturing apparatus, a closed-type water heater tank equipped with a heater, a water supply pipe connecting the water supply tank and the water heater tank, coffee powder and tea leaves. A rubbed basket for setting the raw materials, etc., a discharge pipe for guiding the boiling water in the kettle tank above the basket, a steam vent pipe for lowering the pressure of the sealed kettle tank, and placed below the basket When the desired water is supplied to the water supply tank, the water enters the water heater tank through the water supply pipe, and the water in the water heater tank is heated by the heater and boiled.

Further, when predetermined required water is added to the water supply tank, 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 closed tank causes a siphon phenomenon. Is discharged from the upper part of the basket through the discharge pipe. After laying a filter paper on this basket, the raw material of coffee powder or tea leaves is set, and the boiling water discharged from the upper part of this basket is mixed with the raw material, extracted as an extract from the lower part of the basket and dropped into the storage container. As shown in FIG. 4, the hot water tank 105 is to be stored between a ring-shaped flange portion 115 of the hot water tank 105 and a ring-shaped flange portion 116 of a sealing lid 113 for sealing the hot water tank. A ring-shaped flat seal packing is sandwiched between them, and the flange portion 120 of the tank suspending member 114 is brought into contact with the flange portion of the water heater tank, and is overlapped with a plurality of bolts and nuts at a predetermined interval. And the tank suspending member 114 are screwed together.

[0004]

However, in this kind of beverage production apparatus, when forming the water heater tank and the sealing lid, each ring-shaped flange portion is deformed in a wavy manner, and a completely horizontal flange portion is formed. Cannot be formed,
In addition, there is a place where there is a close contact between the overlapped flange portion of the water heater tank and the sealing lid and a place having a large gap, and a ring-shaped flat plate seal inserted between the flange portions has a ring shape. There was a problem that the inside of the flange portion could not be sealed sufficiently uniformly, and the water heater and the sealing lid caused air leakage between both flanges, so that boiling water could not be reliably discharged from the discharge port of the discharge pipe.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems, and it is an object of the present invention to completely seal a water heater tank and a sealing lid to eliminate air leakage and to reliably discharge boiling water from a discharge pipe. It is an object of the present invention to provide a beverage manufacturing device capable of performing the following.

[0006]

In order to achieve the above object, in the beverage manufacturing apparatus of the present invention, the sealing lid flange portion of the sealing lid is formed in a stepped shape, while the flange portion of the water heater tank is sandwiched therebetween. A U-shaped seal packing is provided, and a seal packing that sandwiches the flange of the water heater tank is stretched between the stepped shape of the sealing lid and the flange of the tank suspending member through which the water heater tank is inserted. is there.

[0007]

In the beverage manufacturing apparatus configured as described above, the flange portion of the water heater tank is sandwiched between the U-shaped seal packings having a vertical U-shaped section, and the seal packing sandwiching the flange portion is attached to the sealing lid. Since it is sandwiched between the step of the sealing lid flange and the flange of the tank suspension member, the elasticity of the seal packing can be sufficiently exhibited, and the flange of the water heater tank and the sealing lid flange of the sealing lid can be used. Have no direct contact at all, and have the advantage of having excellent sealing properties and reliably eliminating air leakage.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a side view schematically showing the beverage manufacturing apparatus of the present invention, FIG. 2 is a longitudinal sectional view of a water heating tank of the beverage manufacturing apparatus of the present invention, and FIG. It is a perspective view. The beverage manufacturing apparatus 1 is used particularly for business use, and includes a water supply tank 3 on an upper portion of a main body 2 of the beverage manufacturing apparatus, a water heating tank 5 having a heater 4 disposed in the main body 2, a water supply tank 3, and a water heating tank. 5, a water supply pipe 6 for connecting the ingredients 5 and a sliver-like basket 7 in which ingredients such as coffee powder and tea leaves are set.
It comprises a discharge pipe 8 for guiding the boiling water in the water heater tank 5 above the basket 7, and a storage container 9 on the main body pedestal 2a for storing the extracted liquid extracted from the bottom of the basket 7.

Reference numeral 10 denotes a power cord, and reference numeral 11 denotes a power switch. The water supply tank 3 is located above the basket 7 at the upper part of the main body 2 of the beverage production apparatus 1 and has an opening / closing lid 12. The opening of the water heater tank 5 is closed by a hermetic lid 13, the heater 4 is stretched at the lower part of the outer periphery, and is suspended in the main body 2 by a tank suspending member 14.
The water in the water heater tank 5 is heated by the heater 4.

As shown in FIG. 2 and FIG. 3, the water heater tank 5 has a flange portion 15 extending outward at the opening. The hermetic lid 13 covering the opening of the water heater tank 5 has a hermetic lid flange 16 formed on the outer periphery thereof, and the hermetic lid flange 16 is formed in a stepped shape 17. The seal packing 17 sandwiching the flange portion 15 of the water heater tank 5 is formed in a ring shape with a U-shaped vertical section, and the flange portion 15 is sandwiched between the U-shaped portions.

As shown in FIG. 2, the seal packing 18 sandwiching the flange portion 15 of the water heater tank 5 is sandwiched in the step 17 of the sealing lid flange portion 16.
The tank suspending member 14 for suspending the water heater tank 5 is integrally formed with a tubular body 19 penetrating the water heater tank and a flange portion 20 extending outward at the upper end of the tubular body.

As shown in FIG. 2, the tank suspending member 14 includes a flange 20 and a sealing lid flange 1 of a sealing lid 13.
The seal packing 18 sandwiching the flange portion 15 of the water heater tank 5 is sandwiched by the step 17 of FIG. 6 and is fixed to the flange portion by a screw or the like (not shown) at the tip of the sealing lid flange portion 16. Furthermore, the tank suspending member 14 is fixed inside the main body 2 in a state where the water heater tank 5 is suspended.

The closed lid 13 is provided with a water supply pipe 6 extending to the bottom of the water tank 5, a steam vent pipe 21 for reducing the pressure in the closed water tank, and a discharge pipe 8. The discharge port 8 a of the discharge pipe 8 is disposed below the upper surface of the water heater tank 5 in the upper front of the main body 2. The suction port 8b, which is the other end of the discharge pipe 8, is provided above the tip of the discharge port 8a.

The position of the discharge port 8a is below the upper surface of the water heater tank. The difference between the upper and lower positions is to fill the water heater tank with water at the same water level as the discharge port, and this water becomes hot water and expands in volume as hot water. The height is set to be equal to or higher than the height from the top of the water tank of increasing volume. Since the discharge port is below the upper surface of the water heater tank, water is absorbed by the siphon phenomenon of the discharge pipe, and the water level in the water heater tank is full below the upper surface of the water heater tank at the height of the suction port.

Therefore, the water is quantified with an air layer above the water heater tank. After the water is full, heat the water with a heater,
Although hot water is used as the hot water for the volume expansion of water generated at the time of heating, since the hot water tank has an air layer in the upper part of the container, only the water for the volume expansion is filled in the air layer portion. No water leakage from the discharge pipe. The basket 7 is formed in a rubbed shape with a hole on the bottom surface, and after laying a filter paper on the inside, coffee, tea leaves and the like are put.

The basket 7 is detachably mounted on the front part of the main body 2 and is gripped by the handle 22 while sliding it from the front to the rear of the main body so that the discharge port 8a is located at the upper center thereof. Wearing and holding. The storage container 9 is a thermos for storing the extract from the lower part of the basket 7. The storage container 9 may be a single glass bottle.

When the extract is dropped, first, when the water is supplied to the water supply tank 3, the water is collected in the water heater tank 5 via the water supply pipe 6, but is heated by the heater 4 to become hot water. When the desired water is supplied to the water supply tank 3 after the hot water, the hot water is dripped from the discharge port 8a through the discharge pipe 8 by the siphon phenomenon by the amount of water supplied to the lower part of the water heater tank 5, and The raw materials, such as coffee and tea, set in the basket 7 become an extract through the filter paper and flow from the bottom of the basket.

[0018]

As described above, according to the present invention, the seal packing is formed in a U-shape in vertical section, and the flange portion of the water-sealing tank is sandwiched between the U-shape portions. The seal packing is placed inside the step and pushed up by the flange of the tank suspending member, and the seal packing and the sealing lid flange are in close contact, so the elasticity of the seal packing can be fully exhibited and the sealing performance is not improved. Therefore, it is possible to reliably prevent air leakage excellent in sealing properties and to reliably discharge boiling water from the discharge pipe.

[Brief description of the drawings]

FIG. 1 is a schematic side view of a beverage manufacturing apparatus.

FIG. 2 is a longitudinal sectional view of a water heating tank of the beverage manufacturing apparatus.

FIG. 3 is an exploded perspective view of a water heating tank part of the beverage manufacturing apparatus.

FIG. 4 is a longitudinal sectional view of a conventional water heater tank.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Beverage manufacturing apparatus 2 ... Main body 3 ... Water supply tank 4 ... Heater 5 ... Water heater tank 6 ... Water supply pipe 7 ... Basket 8 ... Discharge pipe 8a ... Discharge port 8b ... Suction port 9 ... Storage container 10 ... Power cord 11 ... Power switch DESCRIPTION OF SYMBOLS 12 ... Opening / closing lid 13 ... Sealing lid 14 ... Tank suspension member 15 ... Flange part 16 ... Sealing lid flange part 17 ... Stepped 18 ... Seal packing 19 ... Cylindrical body 20 ... Flange part 21 ... Steam release pipe 22 ... Handle

Claims (1)

(57) [Claims] 1. A water supply tank 3, a water heater tank 5 provided with a heater 4 and suspended in a beverage production apparatus main body 2,
Water supply pipe 6 connecting the water supply tank and the water heater tank
And a basket 7 for setting raw materials such as coffee powder and tea leaves, a discharge pipe 8 for guiding boiling water in the kettle tank above the basket, and a storage container 9 mounted below the basket. 5, an annular flange portion 15 is formed at the opening 5 and a sealing lid flange portion 16 is formed around the outer periphery of the sealing lid 13 for sealing the opening.
A tank suspending member 14 integrally formed with a tubular body 19 through which the water heater tank 5 is inserted and a flange 20 extending outward at the upper end of the tubular body while connecting the two flange portions via
A beverage producing apparatus in which a water heater 5 is fixed in the main body 2 by a tank suspending member 14, wherein the closed lid 1 is provided.
3 is formed in a stepped shape 17, while a seal packing 18 having a U-shaped vertical section is provided to sandwich the flange portion 15 of the water heater tank 5, and the stepped 17 of the sealing cover 13 is inserted into the water heater tank. Tank hanging member 14
A beverage manufacturing apparatus, characterized in that a seal packing 18 sandwiching a flange portion 15 of a water heater tank is stretched between the flange portion 20 and the flange portion 20.