JPH06300414A - Beverage feeder - Google Patents

Abstract

PURPOSE:To provide a beverage feeder wherein blocks of ice in a water tank are prevented from obstructing the rotation of a stirrer. CONSTITUTION:A beverage-cooling pipe 17 wound in coils is provided inside a water tank 7 in which cooling water is contained and which is cooled by an evaporating pipe 16 in a setup to extract a beverage stored in a beverage tank through the beverage-cooling pipe 17. A stirrer 26 having a magnet in a freely rotatable manner is provided at the inside bottom of the water tank 7 in the inner part enclosed by the beverage-cooling pipe 17. Also in this inner part inside the water tank 7 a net member 57 consisting of a poor conductor of heat is provided. Under the water tank 7 a stirring motor 11M is provided in a manner of having its rotary shaft 15 axially in alignment with the rotary shaft 24 of the stirrer 26. Outside the water tank 7 a motive force-transmitting magnetic disk 28 is provided, which is attached to the rotary shaft 15 of the stirring motor 11M and which combines magnetically with the magnet of the stirrer 26.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a beverage supply device for cooling and extracting a beverage in a beverage tank.

[0002]

2. Description of the Related Art Conventionally, a beverage supply device for cooling and supplying a beverage such as beer has been disclosed, for example, in Japanese Utility Model Laid-Open No. 63-190880.
As disclosed in Japanese Patent Publication (F25D11 / 00), cooling water is stored in a cooling water tank and is cooled by a cooling pipe of a cooling device to generate ice around the cooling water. The beverage cooling pipe is arranged in a coil shape, and a sparkling beverage such as beer is extracted through the beverage cooling pipe to instantaneously cool and supply beer. Further, in the above-mentioned publication, the whole beverage cooling pipe is cooled uniformly by inserting a stirring blade from above the cooling water tank and stirring the cooling water in the water tank.

However, it is necessary to periodically remove the beverage cooling pipe for cleaning the inside thereof, and if the stirring blade is inserted from above as in the above publication, the attaching / detaching operation is extremely troublesome. Further, in such a structure, since the motor that drives the stirring blade is cooled by the cooling water, there is a problem that dew condensation occurs on the surface and many failures occur.

Therefore, the applicant has filed Japanese Patent Application No. 4-
As shown in No. 290209, an agitator having a magnet is rotatably provided at the bottom of the water tank, and an agitation motor arranged so that the rotating shaft is located on the same axis as the rotating shaft of the agitator is installed in the lower part of the water tank. We have developed a beverage supply device that has a power transmission magnet plate that is located outside the water tank and is magnetically coupled to the magnet of the agitator on the rotation shaft of the agitation motor. According to such a configuration, the stirrer is magnetically coupled to the power transmission magnet panel rotated by the stirring motor to rotate, stirs the cooling water in the water tank, and since the stirring motor is outside the water tank, the beverage cooling pipe. It did not get in the way when it was attached and detached, and was difficult to be cooled by the cooling water in the water tank.

[0005]

However, in this type of beverage supply device, there is a case where the temperature of the cooling water is lowered by pouring ice into the water tank because it is necessary to quickly lower the temperature of the cooling water at the time of installation or emergency. . In addition, during normal operation, a part of the ice layer grown around the cooling pipe of the cooling device may peel off and float in the cooling water. If such an ice block collides with the stirrer or adheres to its surroundings, there is a limit to the magnetic coupling force between the magnet of the stirrer and the power transmission magnet plate.
There is a problem that the agitator and the power transmission magnet board are out of synchronization, and the agitator is locked and cannot rotate.

The present invention has been made in order to solve the above-mentioned conventional technical problems, and provides a beverage supply device capable of preventing the rotation of the agitator from being hindered by ice blocks or the like in the water tank. The purpose is to do.

[0007]

That is, the beverage supply device 1 of the present invention stores the cooling water and cools it (evaporating pipe) 16
A coil-shaped beverage cooling pipe 17 is disposed in the water tank 7 cooled by, and the beverage stored in the beverage tank is extracted by passing through the beverage cooling pipe 17, and An agitator 26 that is rotatably provided and has a magnet, a heat-defective conductive mesh member 57 that is provided inside the beverage cooling pipe 17 in the water tank 7, and a rotating shaft 15 that is provided below the water tank 7. An agitating motor 11M arranged so as to be located on the same axis as the rotating shaft 24 of the agitator 26;
It is equipped with a power transmission magnet plate 28 which is attached to the rotary shaft 15 of the stirring motor 11M and is located outside the water tank 7 and is magnetically coupled to the magnet of the stirring machine 26.

[0008]

According to the beverage supply device 1 of the present invention, the stirrer 26 provided at the bottom of the water tank 7 is magnetically coupled to the power transmission magnet plate 28 rotated by the rotating shaft 24 of the stirring motor 11M. It rotates and agitates the cooling water in the water tank 7. At this time, the net member 5 is placed inside the beverage cooling pipe 17 in the water tank 7.
7 is provided, ice blocks and other foreign matter floating in the water tank 7 are prevented from entering the stirrer 26 inward from the outside of the beverage cooling pipe 17 by being disturbed by the mesh member 57. Thus, the stirrer 26 is prevented from falling into a non-rotatable state. In particular, since the net member 57 has poor heat conductivity, an ice layer is not easily formed around the net member 57 even when it is cooled by the cooler (evaporation pipe) 16, and therefore, the ice block generated in the net member 57 causes The malfunction of the stirrer 26 does not occur.

[0009]

Embodiments of the present invention will now be described with reference to the drawings. FIG. 1 is a vertical sectional side view of the beverage supply device 1 showing an internal configuration of the beverage supply device 1 of the present invention, and FIG. 2 is a perspective view of the beverage supply device 1. A beverage tank (not shown) that stores beer is connected to the beverage supply device 1 via a beverage pipe 2, and the beverage tank is also constantly pressurized by a carbon dioxide gas cylinder (not shown).

A water tank 7 made of a stainless steel plate for storing cooling water is provided in a case 5 which constitutes the exterior of the beverage supply apparatus 1 of the present invention, and a compressor 8, a condenser 9 and a condenser are provided below the water tank 7. A cooling device 12 including a cooling fan 11 and the like is provided. The water tank 7 is opened upward, and a heat insulating wall 13 is provided around the water tank 7 for heat insulation. Further, a cutout portion 14 is formed on the bottom surface of the heat insulating wall 13, and the lower surface of the bottom wall 7A of the water tank 7 is in close contact with the bottom plate 5A of the case 5 in this portion, and the condenser cooling functioning also as a stirring motor is described later. The motor 11M of the fan 11 has the cutout 1
It is located below 4. The rotary shaft 15 of the motor 11M projects in the vertical direction, and the condenser cooling fan 11 is attached to the lower end of the rotary shaft 15.

The evaporation pipe 16 as a cooler which constitutes the refrigeration cycle of the cooling device 12 together with the compressor 8 and the condenser 9 is attached to the outer surface of a cylindrical heat exchange plate 31 made of a steel plate by being wound in a coil shape. This heat exchange plate 31
The upper end of is fixed to the peripheral wall 7B of the aquarium 7 by the fixtures 32 and 33. The heat exchange plate 31 including the evaporation pipe 16 is immersed in the cooling water in the water tank 7 to cool it.

At least two holding members 34 as shown in FIG. 4 are mounted on the bottom wall 7A of the water tank 7 and above the cutout portion 14 above the bottom wall 7A. The holding member 34 is a plate member having a lower end mounting surface 34A and an upper surface 34B lifted in a stepwise manner from the mounting surface 34A, and the upper surface 34B has an inner portion slightly inside from the outer end. A first positioning portion 36 is formed so as to stand obliquely toward one side. Inside the first positioning portion 36, there is a second positioning portion 37 which is inclined obliquely outward with a predetermined distance therebetween, and a predetermined distance inside the second positioning portion 37. And a third positioning portion 38 that stands obliquely toward the inside is formed, and a rod 39 is provided between the second and third positioning portions 37 and 38.
Is erected, and a screw groove is carved in the upper end portion of the rod 39.

Further, a beverage cooling pipe 17 as shown in FIG. 3 is inserted in the water tank 7. This beverage cooling pipe 17
Is wound in a double coil shape consisting of an inner coil 17A and an outer coil 17B which is formed continuously from the inner coil 17A and has a predetermined interval on the outer side, and its inlet end and outlet end are located at the upper end. It is arranged. Also, the beverage cooling pipe 17
So-called one-touch joints 41 and 42 equipped with a back ring, a lock ring and the like are attached to the inlet end and the outlet end of each of the one-touch joints 41 and 42.
When the pipe is inserted, the pipe is held in communication with the beverage cooling pipe 17 and the held state is released by a predetermined release operation.

The beverage cooling pipe 17 is attached to the water tank 7 from above.
The lower end of the outer coil 17B and the inner coil 17A of the holding member 34 is inserted into the cooling water.
It is fitted between the second positioning portion 37 and the third positioning portion 38. Further, the rod 39 has both coils 17A,
17B, the upper end of which is the beverage cooling pipe 17
Project more upward. In this state, the fixing member 44 having a substantially U-shaped cross section having the same inner dimension as the dimension between the inner edge of the inner coil 17A and the outer edge of the outer coil 17B is attached to both coils 1.
Cover the upper ends of 7A and 17B. At this time, the rod 39 penetrates the fixing member 44 and projects upward, and
A wing nut 46 is screwed onto the 9 from above. The wing nut 46 contacts the upper surface of the fixing member 44 by being screwed into the rod 39 and presses it, so that the beverage cooling pipe 17 is sandwiched between the fixing member 44 and the holding member 34. Is pressed by. As a result, the deformation of the beverage cooling pipe 17 itself due to the restoring force of the coil or the like is reliably prevented.

On the other hand, the lower end of the heat exchange plate 31 having the evaporation pipe 16 is fitted and held on the outside of the first positioning portion 36. Thereby, the interval between the beverage cooling pipe 17 and the heat exchange plate 31 is uniquely determined by the interval between the first and second positioning portions 36 and 37 of the holding member 34. Therefore, variation in the gap between the beverage cooling pipe 17 and the heat exchange plate 31 due to an attachment error or the like can be reliably prevented.

The one-touch joint 41 of the beverage cooling pipe 17 thus mounted is inserted with the resin-made beverage pipe 18 from the brewing cock 4 provided at the upper front portion of the case 5 and is connected for communication as described above. It Further, the resin-made beverage pipe 2 from the beverage tank is also drawn into the case 5 from the lower part of the front surface, and the beverage cooling pipe 17
Is inserted into the one-touch joint 42 and is connected for communication.

Also, the inner coil 1 of the beverage cooling pipe 17
A mesh member 57 is inserted inside 7A. The mesh member 57 is formed of a heat-resistant conductive resin such as a hard synthetic resin into a flat mesh shape as shown in FIG. 5 and has an appropriate flexibility, and is rounded into a cylindrical shape. As described above, the beverage cooling pipe 17 is installed along the entire inner circumference of the inner coil 17A, and the upper end thereof projects above the cooling water surface. The mesh member 57 may be set and placed in the beverage cooling pipe 17 in advance when the beverage cooling pipe 17 is inserted into the water tank 7, or after the beverage cooling pipe 17 is held by the holding member 34, the inside thereof. Can be inserted into

At this time, since the net member 57 is made of resin, it is less dangerous than the metal member during installation work, and it is simply rolled and inserted into the coiled beverage cooling pipe 17. Therefore, assembling or dismounting work is extremely easy as compared with the case of fixing screws.

On the other hand, in the central portion of the upper surface of the bottom wall 7A of the water tank 7,
A rotary shaft 24 is erected in a portion located inside the inner coil 17A of the beverage cooling pipe 17 and above the cutout portion 14, and a stirrer 26 is rotatably attached to the rotary shaft 24. There is. That is, with such an arrangement, the agitator 26
Is located below the inside of the mesh member 57. The rotary shaft 24 is located on the same axis as the rotary shaft 15 of the motor 11M, a plurality of convex portions (not shown) are provided on the upper surface of the agitator 26, and a permanent magnet is also attached. On the other hand, a power transmission magnet board 28 is attached to the upper end of the rotary shaft 15 protruding upward from the motor 11M, and is located below the bottom wall 7A of the water tank 7 in the cutout portion 14. Also,
The agitator 26 and the power transmission magnet plate 28 are opposed to each other with the bottom wall 7A interposed therebetween, and a permanent magnet (not shown) of the agitator 26 is magnetically coupled to the power transmission magnet plate 28, so that the agitator 2
6 and the power transmission magnet board 28 rotate in synchronization in the same direction. Since this power transmission magnet board 28 is rotated by the rotating shaft 15 of the motor 11M, the motor 11M also serves as a stirring motor for driving the agitator 26.

An overflow pipe 47 penetrating to the front surface of the heat insulating wall 13 is attached to the upper portion of the water tank 7. The overflow pipe 47 extends downward between the front surface of the case 5 and the front surface of the heat insulating wall 13. An existing drainage pipe 48 is attached. The bottom plate 5A of the case 5 extends forward of the front surface of the heat insulating wall 13 to form a saucer portion 55 there. The drain pipe 48 is opened above the saucer portion 55, and the saucer portion 55 is further extended. Has a drainage hole 49. On the other hand, a drain plate 52 is attached to the lower part of the front surface of the case 5 below the extraction cock 4 with a fixing plate 51. A drainboard 53 has a drainboard 52 placed thereon and a receiving portion 52A protruding rearward from the drain tray 52.
Enters from the slit 54 on the front surface of the case 5 to the back side. The drain pipe 56 attached to the lower side of the drain hole 49 is open above the receiving portion 52A.

When the compressor 8 of the cooling device 12 is activated with the above-described structure, the high-temperature and high-pressure refrigerant discharged from the compressor 8 is condensed in the condenser 9 and decompressed by the expansion valve (not shown). The cooling water in the water tank 7 is cooled by the endothermic action generated at that time by flowing into the evaporation pipe 16 and evaporating.
By this cooling, the outer circumference of the evaporation pipe 16 and the heat exchange plate 31
An ice layer is generated in the ice cube, and the beverage cooling pipe 17 is cooled by the latent heat of this ice layer.

The motor 11 of the condenser cooling fan 11
M is also activated to cool the condenser 9 and rotate the rotating shaft 15
The power transmission magnet board 28 rotates with the rotation of the agitator 26.
To rotate. By the rotation of the stirrer 26, the cooling water in the water tank 7 is pushed outward from the center of the bottom, rises up the inner surface of the water tank 7 and enters the inside of the beverage cooling pipe 17 from the upper part,
Since the agitation is performed so as to descend in the central portion of the water tank 7, the entire beverage cooling pipe 17 is cooled substantially evenly. At this time, the net member 57 is located inside the beverage cooling pipe 17, but since the cooling water freely passes through the net member 57, the net member 57 does not adversely affect the stirring action of the stirrer 26. Absent.

As described above, ice is put in the water tank 7,
Alternatively, when the ice layer around the heat exchange plate 31 (evaporation pipe 16) is peeled off and the ice blocks and other foreign substances are floating in the water tank 7, the ice blocks are swirled by the stirrer 26 and these ice blocks and the like are on top of the cooling water. Tries to enter the center of the vortex flow, that is, the inside of the beverage cooling pipe 17, but since the net member 57 is provided on the inner side of the beverage cooling pipe 17 over the entire circumference, those ice blocks are transferred to the net member 57. It is disturbed and cannot enter the inside of the beverage cooling pipe 17. Therefore, since the ice blocks do not collect on the agitator 26, the magnetic coupling between the agitator 26 and the power transmission magnet plate 28 is prevented from being disconnected due to their collision or adhesion, and the occurrence of malfunction of the agitator 26 is prevented, Aquarium 7
The inside will be smoothly stirred.

At this time, the positional relationship between the beverage cooling pipe 17 and the heat exchange plate 31 (evaporation pipe 16) is stably maintained by the holding member 34 as described above, and the beverage cooling pipe 17 itself is maintained. Since the shape is also maintained by being pressed by the fixing member 44, the beverage cooling pipe 1
7 is reliably prevented from coming too close to the heat exchange plate 31 (evaporation pipe 16). Therefore, the cooling failure of the beverage due to the freezing of the beverage cooling pipe 17 as in the conventional case is prevented.

When the extraction cock 4 is opened to extract the beverage, the beer in the beverage tank is extruded into the beverage pipe 2 by the pressurization from the carbon dioxide gas cylinder (not shown), and then flows into the beverage cooling pipe 17. Then, after passing through it, it is extracted from the extraction cock 4. The beer to be extracted is instantaneously cooled from its wall surface while passing through the inside and outside coils 17A and 17B of the beverage cooling pipe 17, and becomes a low temperature at the time of drinking and is extracted from the extraction cock 4.

Next, when cleaning the inside of the beverage cooling pipe 17, the beverage pipes 18 and 2 are removed from the one-touch joints 41 and 42 as described above, and the wing nut 4 is used.
Loosen 6 and remove from rod 39, drink cooling pipe 1
7 is lifted and taken out of the water tank 7 together with the net member 57.
After washing, the beverage cooling pipe 17 is again inserted into the water tank 7 from above, and the wing nut 46 is tightened while the lower end is fitted to the second and third positioning portions 37 and 38 of the holding member 34, and the net member is used. 57 and insert one-touch joint 41,
The beverage pipes 18 and 2 may be inserted into 42 and connected.

Here, the motor 11 for driving the agitator 26
Since M is below the water tank 7, the motor 11M is less likely to be cooled by the cooling water in the water tank 7, and therefore, a leakage fault due to dew condensation is less likely to occur. In particular, in the embodiment, since the motor 11M for driving the condenser cooling fan 11 is also used as the stirring motor, the number of parts is reduced and energy is saved. Further, since the motor 11M is located in the vicinity of the compressor 8 and the condenser 9 which are heating elements, the occurrence of dew condensation is further suppressed.

Although the net member 57 is made of hard synthetic resin in the embodiment, the material is not limited to this, and any material may be used as long as the ice layer is not easily generated by cooling from the heat exchange plate 31. In addition, although the mesh member 57 is provided above the stirrer 26 in the embodiment, the stirrer 26 creates a vortex flow from the bottom of the water tank 7 to the stirrer 2.
When the net members 57 are formed so as to gather together, the position of the mesh member 57 may be lowered and the lower end thereof may be brought into contact with the bottom wall 7A.
Furthermore, although the present invention is applied to the beverage supply device that extracts beer in the embodiments, the present invention is not limited to this, and the present invention is effective for a beverage supply device that extracts various beverages such as juice.

[0029]

As described in detail above, according to the present invention, the stirrer provided at the inner bottom portion of the water tank inside the coiled beverage cooling pipe is a power transmission magnet plate rotated by the rotating shaft of the stirring motor. Since it is magnetically coupled and rotated to agitate the cooling water in the water tank, the beverage cooling pipe in the water tank can be cooled uniformly. At this time, since the net member is provided inside the beverage cooling pipe in the water tank, ice blocks and other foreign matter floating in the water tank cannot be intruded toward the stirrer by being disturbed by the net member, and these ice blocks are blocked. This prevents the stirrer from becoming unrotatable.
In particular, since the net member has poor heat conductivity, it is difficult to form an ice layer around the net member even when it is cooled by the cooler.
It is also possible to prevent the malfunction of the stirrer due to the ice blocks generated in the net member.

[Brief description of drawings]

FIG. 1 is a vertical sectional side view of a beverage supply device of the present invention.

FIG. 2 is a perspective view of the beverage supply device of the present invention.

FIG. 3 is a perspective view of a beverage cooling pipe.

FIG. 4 is a perspective view of a holding member.

FIG. 5 is a perspective view of a mesh member.

[Explanation of symbols]

 1 Beverage Supply Device 7 Water Tank 11M Motor 15 Rotating Shaft 16 Evaporating Pipe 17 Beverage Cooling Pipe 24 Rotating Shaft 26 Stirrer 28 Power Transmission Magnet Board 57 Net Member

Claims (1)

[Claims] 1. A coil-shaped beverage cooling pipe is provided in a water tank that stores cooling water and is cooled by a cooler, and the beverage stored in a beverage tank is extracted by passing through the beverage cooling pipe. In the beverage supply device to be, rotatably provided in the water tank inner bottom of the beverage cooling pipe,
A stirrer having a magnet, a heat-defective conductive mesh member provided inside the beverage cooling pipe in the water tank, and a water shaft provided below the water tank, and the rotation axis is the same axis as the rotation axis of the stirrer. A stirring motor disposed so as to be located on the core,
A beverage supply device, comprising: a power transmission magnet plate which is attached to a rotation shaft of the stirring motor and is located outside the water tank and is magnetically coupled to a magnet of the agitator.