JP6189671B2 - Beverage dispenser - Google Patents

Description

  The present invention relates to a beverage dispenser that cools a beverage such as beer by passing it through a beverage cooling pipe in a cooling water tank, and dispenses the cooled beverage from a dispensing cock connected to the outlet end of the beverage cooling pipe.

  Patent Document 1 discloses a beverage dispenser. This beverage dispenser has a cooling water tank for storing cooling water, and a freezer that is wound spirally along the inner peripheral surface of the cooling water tank to evaporate the refrigerant to cool the cooling water and form an ice layer around it. The apparatus evaporating pipe, the beverage cooling pipe that is wound spirally inside the evaporating pipe in the cooling water tank and cools the beverage passing therethrough, and the stirring blade provided inside the beverage cooling pipe in the cooling water tank And a stirrer that stirs the cooling water by rotating the beverage, cools the beverage supplied from a beverage container such as a beer barrel by passing through the beverage cooling pipe and exchanging heat with the cooling water in the cooling water tank, The cooled beverage is poured out from the dispensing cock connected to the outlet end of the beverage cooling pipe.

  In this beverage dispenser, a plurality of evaporating pipe holders are formed in the corner of the cooling water tank. The evaporating pipe holder is formed with a plurality of upper and lower grooves that hold the evaporating pipe at a predetermined spiral pitch. The pipe is attached to the cooling water tank in a state of being spirally wound along the inner peripheral surface of the cooling water tank by these evaporation pipe holders. A plurality of holding members for holding the beverage cooling pipe so as not to move in the horizontal direction at a predetermined height position are fixed to the bottom of the cooling water tank.

JP 2000-220937 A

  In this beverage dispenser, the evaporation pipe is attached to the cooling water tank by a plurality of evaporation pipe holders, the beverage cooling pipe is attached to the cooling water tank by a plurality of holding members, and the evaporation pipe and the beverage cooling pipe are attached to the cooling water tank. Has a large number of parts and a large number of mounting steps, which increases the cost. In addition, since the evaporating tube holder to which the evaporating tube is attached and the holding member to which the beverage cooling tube is attached are constituted by different members, if the evaporating tube holder and the holding member are not attached to the cooling water tank with high positional accuracy, the beverage cooling A part of the tube may be attached close to the evaporation tube, and the beverage in the beverage cooling tube may be frozen by the ice layer around the evaporation tube and cannot be dispensed from the dispensing cock. An object of the present invention is to increase the accuracy of the positions of the evaporation pipe and the beverage cooling pipe while attaching the evaporation pipe and the beverage cooling pipe to the cooling water tank at low cost.

In order to solve the above-mentioned problems, the present invention cools cooling water by cooling a cooling water tank that stores cooling water and spirally wound along the inner peripheral surface of the cooling water tank to evaporate the refrigerant, and ice around it. The evaporation pipe of the refrigeration apparatus for forming a layer, the beverage cooling pipe that is wound spirally inside the evaporation pipe in the cooling water tank, and cools the beverage passing therethrough, and the inside of the beverage cooling pipe in the cooling water tank A stirring device that stirs the cooling water by rotating the stirring blades provided on the plurality of evaporators, and a plurality of evaporations that stand in the vicinity of the evaporation pipe in the cooling water tank and hold the evaporation pipe at a predetermined helical pitch In a beverage dispenser provided with a tube holder , the evaporating tube holder has an outer vertical longitudinally formed hook that extends along the inside of the spirally wound evaporating tube and engages the evaporating tube on the outside in a multistage shape. Extending along the outside of the frame and the spirally wound beverage cooling tube It has a frame shape composed of an inner vertical frame and a plurality of horizontal frames connecting the outer vertical frame and the inner vertical frame, and engages with the lower end of the beverage cooling pipe at the lower end of the inner vertical frame to It is an object of the present invention to provide a beverage dispenser that is integrally provided with a cooling pipe support for positioning in the vertical and horizontal directions .

In the beverage dispenser configured as described above, the evaporating tube holder has an outer side in which a hook that extends along the inner side of the spirally wound evaporating tube and engages the evaporating tube on the outer side is formed in a multistage shape. The frame is formed of a vertical frame, an inner vertical frame extending along the outer side of the beverage cooling pipe wound in a spiral shape, and a plurality of horizontal frames connecting the outer vertical frame and the inner vertical frame. Since the cooling pipe support portion for integrally positioning the beverage cooling pipe in the vertical direction and the horizontal direction by engaging with the lower end of the beverage cooling pipe at the lower end portion of the vertical frame, the evaporation pipe holder and the beverage cooling are provided by the evaporation pipe holder. The pipes could be installed in the cooling water tank, and the manufacturing cost could be reduced by reducing the number of parts and the number of installation work steps. In addition, since the evaporating pipe holder is integrally provided with the cooling pipe support portion, the accuracy of the position of the evaporating pipe and the beverage cooling pipe is increased, and the beverage in the beverage cooling pipe may be frozen by the evaporating pipe. Diminished. In addition, the outer vertical frame and the inner vertical frame can increase the positional accuracy of the evaporating pipe and the beverage cooling pipe even in the spiral traveling direction, and the evaporating pipe and the beverage cooling pipe can be It can be installed in the cooling water tank without wobbling in the orthogonal direction. Furthermore, since the evaporating tube holder has a frame shape, the flow of cooling water by the stirring device is not obstructed, so that the ice layer formed around the evaporating tube can be prevented from varying from product to product.

  In the beverage dispenser configured as described above, when the pouring cock connected to the outlet end of the beverage cooling pipe is provided at the upper part of the cooling water tank, the evaporating pipe holder is provided below the outlet end of the beverage cooling pipe. In this case, the ice layer formed around the evaporation pipe is restrained from being greatly grown by the evaporation pipe holder below the outlet end of the beverage cooling pipe, It was possible to prevent the beverage in the outlet end from being frozen by being covered with an ice layer.

1 is a perspective view of one embodiment of a beverage dispenser according to the present invention. It is the partially broken sectional view of the vertical direction which removed the right side panel of FIG. 1, and made the inside of a cooling water tank visible. It is AA sectional drawing of FIG. It is a side view of an evaporation pipe holder. It is drawing equivalent to FIG. 2 when a net cylinder is provided in the upper part of a cooling water tank.

  Hereinafter, an embodiment of a beverage dispenser according to the present invention will be described with reference to the drawings. As shown in FIGS. 1 and 2, the beverage dispenser 10 according to the present invention cools the cooling water in the cooling water tank 20 with the cooling water tank 20 storing the cooling water in the front part in the housing 11 and the machine room 12 in the rear part. The refrigeration apparatus 30 is accommodated. The cooling water tank 20 is a water tank having a substantially rectangular parallelepiped shape in which the shape seen from above is a substantially square shape. A heat insulating material 21 made of a foaming agent is attached to the outer periphery of the cooling water tank 20.

  An evaporating pipe 34 of a refrigeration apparatus 30 to be described later is spirally wound along the inner peripheral surface in the cooling water tank 20, and the evaporating pipe 34 cools the cooling water by evaporating the refrigerant, and ice around it. A layer is formed. The evaporator tube 34 is wound loosely at a predetermined helical pitch. The cooling water tank 20 is provided with a beverage cooling pipe 22 spirally wound in a tightly wound manner inside the evaporation pipe 34, and the beverage cooling pipe 22 cools the beverage passing through the inside of the cooling water tank 20. It is cooled by exchanging heat with water. A beverage container such as a beer barrel (not shown) is connected to the inlet end of the beverage cooling pipe 22, and the outlet end 22 a is connected to a dispensing cock 23 fixed to the upper front portion of the cooling water tank 20. In addition, the evaporation pipe 34 and the beverage cooling pipe 22 are spirally wound so that the height direction of the cooling water tank 20 is a spiral traveling direction.

  As shown in FIG. 2, the cooling water tank 20 is provided with a stirring device 24. The agitation device 24 includes an agitation motor 24b on the upper surface of a support plate 24a installed on both the left and right edges so as to cover the rear part from the middle part in the front-rear direction of the upper edge of the cooling water tank 20. The rotating shaft 24c rotated by the agitation motor 24b extends into the cooling water tank 20 at a position that is the central portion (inside) of the beverage cooling pipe 22 that passes through the support plate 24a and is spirally wound. The stirring blade 24d for agitating is fixed. When the rotating shaft 24c is rotated by the stirring motor 24b, the stirring blade 24d at the tip of the rotating shaft 24c stirs the cooling water in the cooling water tank 20.

  As shown in FIG. 2, the refrigeration apparatus 30 includes a compressor 31 that compresses a refrigerant, a condenser 32 that cools and compresses the compressed refrigerant gas by a cooling fan 32a, and a capillary tube 33 that expands the liquefied refrigerant. And an evaporation pipe 34 that evaporates and expands the liquefied refrigerant wound around the inner peripheral surface of the cooling water tank 20 and cools the cooling water, and connects them to constitute a refrigerant circuit in which the refrigerant circulates. . The refrigeration apparatus 30 circulates the refrigerant in the refrigerant circuit to cool the cooling water around the evaporation pipe 34 in the cooling water tank 20, thereby forming an ice layer having a predetermined thickness around the evaporation pipe 34. .

  In the cooling water tank 20, three (a plurality of) evaporation pipe holders 25 for fixing the evaporation pipe 34 to the cooling water tank 20 are provided. These evaporating pipe holders 25 have functions of holding the evaporating pipes 34 at a predetermined helical pitch, and positioning and fixing the beverage cooling pipes 22 in the cooling water tank 20 in the vertical and horizontal directions. As shown in FIG. 3, the evaporation pipe holder 25 is located immediately after the front wall of the cooling water tank 20 in the left-right center, the front-rear center in the right side of the left side wall, and the front-rear side in the right side of the right side wall. Stands up in the center of the direction. An evaporating pipe holder 25 standing at the center in the left-right direction immediately after the front wall of the cooling water tank 20 is provided below the outlet end 22 a of the beverage cooling pipe 22 connected to the pouring cock 23.

  As shown in FIGS. 2 and 4, the evaporating tube holder 25 is provided on the outer vertical frame 25a extending along the inner side of the spirally wound evaporation tube 34 and on the outer side of the beverage cooling tube 22 spirally wound. It has a frame shape having an inner vertical frame 25b extending along and four horizontal frames 25c connecting the outer vertical frame 25a and the inner vertical frame 25b. The four horizontal frames 25c are arranged at equal intervals between the upper end and the lower end of the outer and inner vertical frames 25a and 25b.

  On the outer side of the outer vertical frame 25a, hooks 25d that engage with the evaporation pipe 34 are formed in 11 stages in the vertical direction. The hook 25d has a U-shape rotated 90 ° so as to open outward, and the hooks 25d in the first, second, sixth, and eleventh stages from the top narrow the outer end and are elastic to the evaporation pipe 34. Can be firmly engaged. As described above, since the evaporation pipe 34 is elastically engaged only with the main parts (upper part, part of the middle part and lower part) of the hook 25d, the work of attaching the evaporation pipe 34 to the hook 25d becomes easy. In addition, stress is less likely to be generated in the evaporation tube holder 25 than when all the hooks 25d are elastically engaged.

  A cooling pipe support portion 25e that engages with the lower end of the beverage cooling pipe 22 and positions the beverage cooling pipe 22 in the vertical and horizontal directions is integrally formed inside the inner vertical frame 25b (center side of the cooling water tank 20). Is formed. The cooling pipe support part 25e is a small rectangular frame part 25f that supports the lower end of the beverage cooling pipe 22, and a helical beverage cooling pipe that protrudes upward from the center side of the cooling water tank 20 of the small frame part 25f. And an engagement protrusion 25g that engages with the inner side of 22. The cooling pipe support portion 25e is positioned in the vertical direction by placing the beverage cooling pipe 22 on the upper surface of the small frame body portion 25f, and is engaged with the inner side of the beverage cooling pipe 22 by the engaging projection 25g to be horizontally aligned. Positioning is in progress.

  The evaporating pipe holder 25 has a lower end engaged with an engaging body 26 fixed to the upper surface of the bottom wall of the cooling water tank 20 and positioned in the horizontal direction, and an upper end extending outward from the uppermost horizontal frame 25c. Is attached to the cooling water tank 20 by being fixed to the upper part of the peripheral wall of the cooling water tank 20 with screws. The engaging body 26 has a size that can be engaged with the lower end of the evaporation tube holder 25, and is formed by forming a vertically cut-out portion 26a at the middle portion in the longitudinal direction having a rectangular low cylindrical shape. Even when cooling water is drained from the drain port provided on the bottom surface of the cooling water tank when cleaning the inside of the cooling water tank 20, water does not remain inside the engaging body 26 due to the notch 26a, and the inside of the engaging body 26 is kept clean. I was able to.

  The operation of the beverage dispenser 10 configured as described above will be described. By the operation of the refrigeration apparatus 30 of the beverage dispenser 10, the refrigerant gas pumped from the compressor 31 is cooled by the condenser 32 and becomes a liquefied refrigerant. When the refrigerant passes through the evaporation pipe 34, the refrigerant is vaporized by exchanging heat with the cooling water in the cooling water tank 20, and then returns to the compressor 31. At this time, the cooling water in the cooling water tank 20 is gradually cooled around the evaporation pipe 34, and an ice layer having a predetermined thickness is formed around the evaporation pipe 34. Further, the cooling water in the cooling water tank 20 is stirred by the stirring device 24, and the ice layer formed around the evaporation pipe 34 is not locally thickly formed.

  The beverage cooling pipe 22 is connected to a beverage container (not shown) such as a beer barrel in a state where carbon dioxide gas pressure supplied from a carbon dioxide cylinder (not shown) is applied. When the beverage is dispensed from the dispensing nozzle by operation, the beverage pushed out from the beverage container such as a beer barrel by the pressure of carbon dioxide gas is poured out from the dispensing cock 23 through the beverage cooling pipe 22. At this time, the beverage passing through the beverage cooling tube 22 is cooled by exchanging heat with the cooling water in the cooling water tank 20.

  In the beverage dispenser 10 configured as described above, the evaporation pipe 34 of the refrigeration apparatus 30 spirally wound along the inner peripheral surface of the cooling water tank 20 is in the vicinity of the evaporation pipe 34 of the cooling water tank 20. In the embodiment, immediately after the front wall of the cooling water tank 20, the center portion in the left-right direction, the center portion in the front-rear direction immediately on the right side of the left side wall, and the center portion in the front-rear direction on the left side of the right side wall are erected. The evaporating tube holder 25 is attached to the cooling water tank 20. The evaporator tube holder 25 holds the evaporator tube 34 by hooks 25d so that the evaporator tube 34 has a predetermined spiral pitch. Further, the lower end portion of the evaporating tube holder 25 is integrally provided with a cooling tube support portion 25e that engages with the lower end of the beverage cooling tube 22 on the center side of the cooling water tank 20 and positions the beverage cooling tube 22 in the vertical and horizontal directions. Is prepared. Thereby, the evaporation pipe 34 and the beverage cooling pipe 22 can be attached in the cooling water tank 20 by the three (plurality) evaporation pipe holders 25, and the manufacturing cost can be reduced by reducing the number of parts, the number of parts types, and the number of mounting work steps. Was able to be lowered. Since the evaporating pipe holder 25 is integrally provided with the cooling pipe support portion 25e, the position accuracy of the evaporating pipe 34 and the beverage cooling pipe 22 is increased, and the beverage in the beverage cooling pipe 22 is evaporated. The risk of freezing due to the ice layer formed around the

  Further, the evaporation tube holder 25 of this embodiment has an outer vertical shape in which hooks 25d that extend along the inner side of the spirally wound evaporation tube 34 and engage with the evaporation tube 34 on the outer side are formed in multiple stages. A frame 25a, an inner vertical frame 25b that extends along the outside of the beverage cooling pipe 22 spirally wound and has a cooling pipe support 25e formed at the lower end, and an outer vertical frame 25a and an inner vertical frame 25b. It has a frame shape composed of four horizontal frames 25c to be connected. The evaporating pipe holder 25 can increase the positional accuracy of the evaporating pipe 34 and the beverage cooling pipe 22 even in the direction of spiral movement by the outer vertical frame 25a and the inner vertical frame 25b. The cooling pipe 22 could be firmly attached to the cooling water tank 20 without wobbling in the direction orthogonal to the spiral traveling direction. Furthermore, since the evaporating tube holder 25 has a frame shape, the flow of the cooling water by the stirring device 24 is not blocked, so that it is possible to prevent the ice layer formed around the evaporating tube 34 from varying from product to product. it can.

  Further, a pouring cock 23 connected to the outlet end 22a of the beverage cooling pipe 22 is provided at the upper front of the cooling water tank 20, and an evaporation pipe holder 25 is provided below the outlet end 22a of the beverage cooling pipe 22. ing. By doing in this way, it is suppressed that the ice layer formed in the circumference | surroundings of the evaporation pipe 34 grows largely by the evaporation pipe holder 25 below the outlet end part 22a of the beverage cooling pipe 22, and the beverage cooling pipe 22 It was possible to prevent the beverage in the outlet end portion 22a from being frozen by being covered with the ice layer. In particular, as shown in FIG. 3, the outlet end 22 a of the beverage cooling pipe 22 is within the width of the uppermost horizontal frame 25 c of the evaporation pipe holder 25, so that it is formed around the evaporation pipe 34. The ice layer is less likely to grow up to the outlet end 22a of the beverage cooling pipe 22 on the upper side of the horizontal frame c, and the beverage in the outlet end 22a of the beverage cooling pipe 22 is not easily covered with the ice layer.

  In the beverage dispenser 10 configured as described above, as shown in FIG. 5, a cylindrical net tube 27 is provided at the upper part of the cooling water tank 20 to cover the upper side of the outer periphery of the upper part of the beverage cooling pipe 22. The ice pieces separated from the evaporation pipe 34 may not flow into the inside of the beverage cooling pipe 22, and the stirring blade 24 d rotating inside the beverage cooling pipe 22 may be prevented from hitting the ice pieces. In this case, if the notch 25i is formed at the upper end of the inner vertical frame 25b of the evaporation tube holder 25, and the mesh tube 27 is locked to the notch 25i, the mesh tube 27 can be easily formed. Can be attached. Further, a hook body that supports the mesh tube 27 may be integrally provided at the upper end portion of the inner vertical frame 25b instead of the notch portion 25i of the evaporation tube holder 25.

  In the beverage dispenser 10 configured as described above, the evaporating pipe holder 25 is placed immediately after the front wall of the cooling water tank 20 in the left-right central part, the right-hand front-rear central part immediately on the left side wall, and the right side wall. However, the present invention is not limited to this, and it may be provided at four locations in addition to the central portion in the left-right direction immediately before the rear wall. Moreover, it is not restricted to this, For example, you may provide the evaporation pipe holder 25 in three or more places of the four corner | angular parts of the cooling water tank 20. FIG.

DESCRIPTION OF SYMBOLS 10 ... Beverage dispenser, 20 ... Cooling water tank, 22 ... Beverage cooling pipe, 23 ... Dispensing cock, 24 ... Stirring device, 24d ... Stirring blade, 25 ... Evaporating pipe holder, 25a ... Outer vertical frame, 25b ... Inner vertical frame, 25c ... Horizontal frame, 25d ... Hook, 25e ... Cooling pipe support, 30 ... Refrigeration apparatus, 34 ... Evaporating pipe.

Claims (2)

A cooling water tank for storing cooling water;
An evaporation pipe of a refrigeration apparatus wound spirally along the inner peripheral surface of the cooling water tank and cooling the cooling water by evaporating the refrigerant to form an ice layer around the cooling water tank;
A beverage cooling pipe that is spirally wound inside the evaporation pipe in the cooling water tank and cools the beverage passing therethrough,
A stirring device that stirs the cooling water by rotating a stirring blade provided inside the beverage cooling pipe in the cooling water tank;
In a beverage dispenser comprising a plurality of evaporating tube holders that stand in the vicinity of the evaporating tube in the cooling water tank and hold the evaporating tube at a predetermined spiral pitch,
The evaporating tube holder includes an outer vertical frame that is formed in a multistage shape with hooks that extend along the inner side of the spirally wound evaporation tube and engage with the evaporating tube on the outer side. The inner vertical frame extending along the outer side of the wound beverage cooling pipe, and a frame body composed of a plurality of horizontal frames connecting the outer vertical frame and the inner vertical frame, the lower end of the inner vertical frame A beverage dispenser characterized in that a cooling pipe support portion is integrally provided at a portion to engage with a lower end of the beverage cooling pipe to position the beverage cooling pipe in a vertical direction and a horizontal direction . The beverage dispenser of claim 1 ,
When the pouring cock connected to the outlet end of the beverage cooling pipe is provided at the upper part of the cooling water tank, the evaporation pipe holder is provided below the outlet end of the beverage cooling pipe. Beverage dispenser.

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