JP2016159962A - Beverage feeder - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a beverage feeder which enables a tube connected to a bag in box to be easily connected to a pipeline for beverage supply and maintains good hygiene.SOLUTION: A beverage feeder feeds milk to a cup C and includes: a bag in box (BIB) 21 storing undiluted milk; a plug 24 attached to a tip of a tube 22 connected to the BIB 21; and a socket attached to a pipeline for feeding the milk. The plug 24 is in a closed posture, in which the plug 24 sandwiches a predetermined portion of the tube 22 to close the tube 22, when removed from the socket. On the other hand, the plug 24 is in an open posture, in which the plug 24 opens the predetermined portion of the tube 22, to allow the BIB 21 and the pipeline to communicate with each other through the tube 22 when connected with the socket.SELECTED DRAWING: Figure 2

Description

  The present invention relates to a beverage supply device, and more particularly to a beverage supply device for supplying a beverage to a beverage container.

  Conventionally, in a beverage dispenser that provides a beverage, a bag-in-box (hereinafter also referred to as BIB) is used. This BIB is configured by housing a bag-like container enclosing a beverage stock solution in a box-like container, and a tube with a closed end is connected.

  The BIB is stored in a predetermined storage portion of a beverage dispenser, and then a closed portion of a tube is cut out and connected to a nozzle for discharging a beverage. A beverage stock solution using a mechanical pump such as a tube pump is used. Will be discharged (see, for example, Patent Document 1).

Japanese Patent Laid-Open No. 10-269443

  By the way, in recent years, a beverage dispenser that provides a coffee beverage such as cappuccino is known, and in this beverage dispenser, a beverage supply device that supplies milk in a foamed state is used. In such a beverage supply apparatus, it is also conceivable to use the milk concentrate stored in the BIB.

  However, when the milk stock solution is stored and used in the BIB, it is necessary to connect the tip of the BIB tube to a pipe for supplying a beverage and to mix the milk stock solution supplied from the BIB with steam or the like in the pipe. . In addition, when connecting the tube to the piping, there is a possibility that various germs or the like may be attached by touching the tip of the tube. In addition, although the drink supply apparatus which supplies milk was demonstrated here, it cannot be overemphasized that the same problem arises also in the drink supply apparatus which supplies milk drinks other than milk, and other drinks.

  In view of the above circumstances, the present invention provides a beverage supply device capable of easily connecting a tube connected to a bag-in-box to a pipe for supplying beverage and maintaining good hygiene. For the purpose.

  In order to achieve the above object, a beverage supply apparatus according to the present invention is a beverage supply apparatus for supplying a beverage to a beverage container, wherein a bag-in container in which a bag-shaped container enclosing the beverage stock solution is accommodated in a box-shaped container. A box, a plug attached to a tip of a tube connected to the bag-in-box, and a socket attached to a pipe for supplying the beverage and detachable from the plug, When the plug is detached from the socket, the plug is in a closing posture in which the predetermined portion of the tube is sandwiched therebetween, and when connected to the socket, the plug is in an open posture in which the predetermined portion of the tube is opened. The bag-in-box and the pipe are communicated with each other through the tube.

  In the beverage supply apparatus according to the present invention, when the socket is connected to the plug, the plug is forcibly brought into the open position.

  In the beverage supply apparatus according to the present invention, the socket allows the plug to be detached when the plug connected to the socket is in a closed posture.

  According to the present invention, when the plug attached to the distal end portion of the tube connected to the bag-in-box is detached from the socket, the plug is in a closed posture in which the predetermined portion of the tube is sandwiched. When connected to the socket, the bag-in-box and the pipe for supplying the beverage are communicated with each other through an open posture that opens a predetermined portion of the tube. It is possible to prevent the bacteria from adhering to the tip by hand, and the tube can be easily connected to the piping. Therefore, it is possible to easily connect the tube connected to the bag-in-box to the piping for supplying the beverage and to maintain good hygiene.

FIG. 1 is a perspective view of a beverage dispenser to which a beverage supply device according to an embodiment of the present invention is applied. FIG. 2 is a schematic diagram schematically showing the configuration of the beverage supply apparatus according to the embodiment of the present invention. FIG. 3 is a perspective view of the beverage dispenser shown in FIG. 1 as viewed from the rear side. FIG. 4 is a perspective view showing a plug constituting the stock solution supply unit. FIG. 5 is a cross-sectional view schematically showing the configuration of the plug and the socket. FIG. 6 is a perspective view showing a check valve constituting part constituting the stock solution supplying part. FIG. 7 is a cross-sectional view of the check valve component shown in FIG. FIG. 8 is a perspective view showing a check valve main body constituting the check valve constituting portion shown in FIGS. 6 and 7. FIG. 9 is a longitudinal sectional view showing a case where the check valve main body shown in FIG. 8 is viewed from the left side. FIG. 10 is a longitudinal sectional view showing a case where the check valve body shown in FIG. 8 is viewed from the front. FIG. 11 is a perspective view showing the socket. FIGS. 12A and 12B schematically show the main parts when the plug is attached to the socket. FIG. 12A shows a state in which the plug is detached from the socket, and FIG. 12B shows a state in which the plug has entered the socket. Yes. FIG. 13 is a cross-sectional view schematically showing the configuration of the plug and the socket. FIG. 14 is a perspective view showing the mixing unit shown in FIG. 15 is a cross-sectional view showing the mixing unit shown in FIG. FIG. 16 is a perspective view showing the forming unit shown in FIG. 17 is a cross-sectional view showing the forming unit shown in FIG. FIG. 18 is a perspective view showing the nozzle portion shown in FIG. 19 is a cross-sectional view showing the nozzle portion shown in FIG. FIG. 20 is a perspective view showing the inside of the nozzle body shown in FIGS. 18 and 19. FIG. 21 is a perspective view showing the beverage guide shown in FIG. FIG. 22 is a cross-sectional view showing a modification of the check valve component.

  Exemplary embodiments of a beverage supply device according to the present invention will be described below in detail with reference to the accompanying drawings.

  FIG. 1 is a perspective view of a beverage dispenser to which a beverage supply apparatus according to an embodiment of the present invention is applied, and FIG. 2 is a schematic diagram schematically showing a configuration of the beverage supply apparatus according to an embodiment of the present invention. FIG. The beverage dispenser 1 illustrated here provides a coffee beverage to a cup C (see FIG. 2) which is a beverage container.

  The beverage supply apparatus according to the present embodiment is applied to the beverage dispenser 1 and supplies milk, which is a milk beverage, to the cup C in a foamed state. The beverage supply device includes a steam supply unit (steam supply unit) 10, a stock solution supply unit (stock solution supply unit) 20, an air supply unit (air supply unit) 40, a mixing unit 50, a forming unit 60, and a nozzle unit 70. It is configured.

  The steam supply unit 10 includes a steam tank 11, a first steam supply pipe 12, and a second steam supply pipe 13. The steam tank 11 is conventionally known and generates pressurized steam.

  The first steam supply pipe 12 has one end connected to the steam tank 11 and the other end connected to the mixing unit 50, and connects the steam tank 11 and the mixing unit 50. A first steam supply valve 14 is disposed in the middle of the first steam supply pipe 12. The first steam supply valve 14 opens and closes according to a command given from control means (not shown). When the first steam supply valve 14 is opened, the pressurized steam is allowed to pass through the first steam supply pipe 12. Further, when the first steam supply valve 14 is closed, the first steam supply valve 14 restricts the passage of pressurized steam through the first steam supply valve 14.

  One end of the second steam supply pipe 13 is connected to the steam tank 11, and the other end is connected to the check valve constituting part 30 constituting the stock solution supplying part 20, and the steam tank 11 and the check valve constituting part 30 are Are connected. The check valve component 30 will be described later.

  A second steam supply valve 15 is disposed in the middle of the second steam supply pipe 13. The second steam supply valve 15 opens and closes according to a command given from the control means. When the second steam supply valve 15 is opened, the pressurized steam is allowed to pass through the second steam supply pipe 13. Further, the second steam supply valve 15 restricts the passage of pressurized steam through the second steam supply valve 15 when closed.

  The stock solution supply unit 20 includes a bag-in-box (hereinafter also referred to as BIB) 21, a tube pump 23, a plug 24, and a check valve component 30.

  The BIB 21 is configured by accommodating a bag-like container enclosing a milk beverage (foamed milk) supplied to the cup C (hereinafter also referred to as a milk stock solution) in a box-like container. This BIB 21 is arranged in the cold storage 2 of the beverage dispenser 1. Here, the cool box 2 is a heat-insulating chamber provided inside the dispenser body 1a of the beverage dispenser 1, and is defined on the rear side inside the dispenser body 1a. As shown in FIG. 3, this cool box 2 is opened and closed by a rear door 3 of a heat insulating structure swingably provided on the rear surface of the dispenser main body 1a, and the BIB 21 opens and moves the rear door 3. The refrigerating chamber 2 is replenished in the opened state.

  The tube pump 23 is provided on the lower side of the BIB 21 inside the cool box 2. The tube pump 23 is driven by a command given by the control means. When driven, the tube 22 connected to the BIB 21 is crushed by a plurality of rollers or the like, and the milk stock solution of the BIB 21 is pumped out. Is.

  The plug 24 is attached to the distal end portion of the tube 22 connected to the BIB 21. FIG. 4 is a perspective view showing the plug 24 constituting the stock solution supply unit 20. As shown in FIG. 4, the plug 24 includes a plug body 24a and a plug lid body 24b.

  The plug main body 24a has a substantially rectangular shape in which an upper part and a front part are opened and a U-shaped rear groove 241 is formed in a rear part. On both the left and right side portions of the plug main body 24a, locking pieces 242 that protrude upward in a pair of left and right forms are formed. Each of the pair of left and right locking pieces 242 is formed with a locking groove 243. In addition, a pair of left and right shaft support holes 244 are formed in front upper portions of the left and right sides of the plug body 24a. Further, as shown in FIG. 5, a long body-side pinch portion 245 is provided at the bottom of the plug body 24a so as to protrude upward in such a manner that the left-right direction is the longitudinal direction.

  The plug lid 24b is a substantially flat plate-like member, and has a through hole 246 (see FIG. 5), an engaging projection 247, a locking projection 248, and a lid-side pinch portion 249. The through hole 246 is formed so as to penetrate in the left-right direction on the front side of the plug lid 24b. A long rod-like plug pin 25 passes through the through hole 246, and both left and right end portions of the plug pin 25 are inserted through the shaft support holes 244 of the plug body 24a. That is, the plug lid body 24b is supported by the plug body 24a so as to be swingable around the central axis of the plug pin 25.

  The engagement protrusion 247 is formed so as to protrude upward from the upper surface of the plug lid 24b. The locking protrusion 248 is formed in a manner that protrudes outward (left and right) from the left and right ends of the plug lid 24b.

  The lid-side pinch portion 249 is a long one that protrudes downward on the lower surface of the plug lid 24b so that the left-right direction is the longitudinal direction. The lid-side pinch portion 249 is formed at a location facing the body-side pinch portion 245 when the plug lid body 24b swings so as to be close to the plug body 24a.

  Such a plug 24 is attached to the distal end portion of the tube 22 as follows. First, the plug lid body 24b is swung so as to be separated from the plug body 24a, and the distal end surface of the tube 22 projects forward from the front portion of the plug body 24a between the plug body 24a and the plug lid body 24b. In addition, the tube 22 is disposed so that a part thereof passes through the rear groove 241.

  Next, the plug lid body 24b is swung so as to be close to the plug main body 24a, and the locking projection 248 of the plug lid body 24b enters the locking groove 243 of the locking piece 242 of the plug main body 24a. The plug 24 can be attached to the distal end portion of the tube 22 by engaging with the stop piece 242.

  In this case, the lid-side pinch portion 249 of the plug lid body 24b is opposed to the body-side pinch portion 245 of the plug body 24a and sandwiches a predetermined portion of the tube 22 together with the body-side pinch portion 245. Is blocked. That is, the plug 24 is in the closed posture.

  FIG. 6 is a perspective view showing the check valve constituting part 30 constituting the stock solution supplying part 20, and FIG. 7 is a cross-sectional view of the check valve constituting part 30 shown in FIG. The check valve constituting unit 30 exemplified here is connected to the mixing unit 50 via the stock solution supply pipe 26, and includes a check valve main body 30a as shown in FIGS.

  8 to 10 show a check valve main body 30a constituting the check valve component 30 shown in FIGS. 6 and 7, respectively. FIG. 8 is a perspective view, and FIG. FIG. 10 is a longitudinal sectional view showing a case where the check valve body 30a shown in FIG. 8 is viewed from the left side, and FIG. 10 is a longitudinal sectional view showing a case where the check valve body 30a shown in FIG. .

  As shown in FIGS. 8 to 10, the check valve body 30 a includes a socket housing portion 31, a steam inflow portion 32, a stock solution outflow portion 33, and a valve body housing portion 34. The socket accommodating portion 31 is configured at the rear portion of the check valve body 30a, and is a portion that allows the socket 27 (see FIGS. 6 and 7) to enter through the rear opening 31a and accommodates the socket 27.

  As shown in FIG. 11, the socket 27 has a box-shaped socket body 27a whose rear surface is open. The socket 27 is configured by forming a locking claw piece 271, a regulation hole 272, a stock solution guide portion 273, and guide groove portions 274 and 275 in the socket body 27 a.

  The locking claw pieces 271 are provided on the left and right sides of the socket body 27a, respectively, and the longitudinal direction is the longitudinal direction. A locking claw 271 a is formed on the front side of the locking claw pieces 271. The restriction hole 272 is a rectangular hole formed in the upper part of the socket body 27a.

  The undiluted solution guide part 273 is formed in a mode in which the front part of the socket body 27a protrudes forward and backward, and is a long cylindrical body whose longitudinal direction is the longitudinal direction. The outer diameter of the stock solution guide portion 273 is slightly larger than the inner diameter of the tube 22. The stock solution guide 273 is formed with a stock solution passage 273a extending along the front-rear direction.

  The guide groove portions 274 and 275 are formed in a pair of left and right sides on the rear side of the lower portion of the socket body 27a. In the left guide groove portion 274, the right end portion faces the left side portion of the socket body 27a, and a first right front extension portion 274a extending forward, and the first right front extension portion. A right side inclined portion 274b that is continuous with the front end portion of 274a and that gradually inclines to the left as it goes forward, and a second right side that is continuous with the front end portion of the right side inclined portion 274b and extends forward. The front extension 274c is configured continuously.

  In the guide groove 275 on the right side, the left end is opposed to the right side of the socket body 27a, the first left front extension 275a extending forward, and the first left front extension A left-side inclined portion 275b that is continuous with the front end portion of 275a and gradually inclines to the front, and a second left-side portion that is continuous with the front end portion of the left-side inclined portion 275b and extends forward. The front extension 275c is configured continuously.

  As shown in FIGS. 6 and 7, in such a socket 27, the front portion of the socket body 27a enters the socket housing portion 31 through the rear opening 31a of the check valve body 30a, and the socket body 27a is locked. The latching claw 271a of the claw piece 271 is accommodated in the socket accommodating part 31 by engaging with the locking projections 311 provided on the left and right sides of the check valve main body 30a. Here, the front end portion of the stock solution guide portion 273 of the socket 27 enters the hollow portion 312a of the cylindrical portion 312 in the check valve main body 30a. A stock solution inlet 313 is formed at the front end of the cylindrical portion 312, and a stock solution passage 273 a of the stock solution guide 273 faces the stock solution inlet 313.

  Thus, the check valve component 30 is configured by the socket 27 being accommodated in the socket accommodating portion 31, and the check valve component 30 is connected to the stock solution supply pipe 26 as described above. For this reason, the socket 27 is attached to a pipe for supplying the milk concentrate.

  The steam inflow portion 32 is a part connected to the second steam supply pipe 13 and has a steam inflow passage 321. The steam inlet passage 321 communicates with the second steam supply pipe 13 through a steam inlet 322 provided in the check valve body 30a.

  The stock solution outflow portion 33 is a portion connected to the stock solution supply pipe 26 and has a stock solution outflow passage 331. This stock solution outflow passage 331 communicates with the stock solution supply pipe 26 through a stock solution outlet 332 provided in the check valve main body 30a.

  The valve body accommodating portion 34 is a chamber defined in the central region of the check valve main body 30 a, communicates with the steam inflow passage 321 and the stock solution outflow passage 331, and is connected to the socket 27 accommodated in the socket accommodating portion 31. The undiluted solution guide 273 communicates with the undiluted solution passage 273a via the undiluted solution inflow port 313. A ball guide 35 is provided in the valve body accommodating portion 34.

  The ball guide 35 has a cylindrical shape and has a first opening 351 and a second opening 352. The first opening 351 is formed on the rear side and communicates with the stock solution inlet 313. The second opening 352 is formed on the front side and communicates with the stock solution outlet 332 by facing the stock solution outflow passage 331.

  A ball valve 36 is provided inside the ball guide 35. The ball valve 36 is normally urged rearward by an urging means 37 such as a spring. Normally, the stock solution inlet 313 is closed by closing the first opening 351 of the ball guide 35. To do.

  The ball guide 35 is formed with a plurality of ejection holes 353. These ejection holes 353 are formed at predetermined intervals along the circumferential direction on the circumferential surface of the ball guide 35 and each communicates with the steam inlet 322 through the steam inlet passage 321. Further, these ejection holes 353 are in contact with the normal ball valve 36, that is, the ball valve 36 in a state in which the first opening 351 is closed and the stock solution inlet 313 is closed. It is formed at a location facing the surface on the second opening 352 side (front side) rather than the plane 38 equally dividing the front and rear objects.

  In such a stock solution supply unit 20, the plug 24 and the socket 27 are connected as follows. As shown in FIG. 5, by bringing the plug 24 closer from the rear side of the socket 27, the plug 24 enters from the rear surface of the socket body 27a. When the plug 24 enters the inside of the socket body 27a, as shown in FIG. 12, a pair of left and right engaging pieces 242 enter the corresponding guide groove portions 274 and 275, respectively. As a result of the locking pieces 242 entering the corresponding guide groove portions 274 and 275 in this way, the left-side locking piece 242 is slidably contacted with the right-side inclined portion 274b of the left-side guide groove portion 274 and then the second right front side. The right side locking piece 242 is slidably contacted with the left-side inclined portion 275b of the right-side guide groove 275 and then slid to the second left-side forward extension 275c. It will be displaced to the right by touching. Thus, when the left side locking piece 242 is displaced to the left and the right side locking piece 242 is displaced to the right, the locking that has entered the locking groove 243 of each locking piece 242 The protrusion 248 is relatively disengaged from the locking groove 243, so that the plug lid 24b is free.

  When the plug lid 24b is in a free state, the plug lid 24b swings away from the plug body 24a by the elastic restoring force of the tube 22. Then, as shown in FIG. 13, the plug 24 is engaged with the socket 27 and connected to the socket 27 by the engagement protrusion 247 of the plug lid body 24 b entering the restriction hole 272. At this time, a part of the stock solution guide portion 273 of the socket 27 enters the inside of the tube 22, and the stock solution passage 273 a of the stock solution guide portion 273 and the inside of the tube 22 are in communication with each other. Further, when the plug lid body 24b swings, the lid side pinch portion 249 is separated from the main body side pinch portion 245 and the predetermined portion of the tube 22 closed by these is opened. That is, the plug 24 is brought into an open posture by being engaged with the socket 27.

  By the way, the plug 24 can be detached from the socket 27 as follows. The plug lid body 24b is swung so as to be close to the plug body 24a, and the engaging protrusion 247 is detached from the restriction hole 272. Then, the plug 24 is moved rearward while the plug lid body 24b is swung so as to be close to the plug body 24a.

  When the plug 24 is moved rearward in this way, the pair of left and right engaging pieces 242 move relatively rearward in the corresponding guide groove portions 274 and 275, respectively. That is, the left-side locking piece 242 is displaced to the right by sliding on the right-side inclined portion 274b of the left-side guide groove portion 274 and then sliding on the first right-side forward extension portion 274a. The locking piece 242 is displaced to the left by slidingly contacting the left-side inclined portion 275b of the right-side guide groove portion 275 and then slidingly contacting the first left-side forward extending portion 275a. Thus, when the left side locking piece 242 is displaced to the right and the right side locking piece 242 is displaced to the left, the locking projection 248 is inserted into the locking groove 243 of each locking piece 242. It enters and locks with the locking piece 242, and the plug 24 is in the closed position described above.

  Thus, the plug 24 and the socket 27 are detachable from each other, and the plug 24 is in a closed position when detached from the socket 27, and is in an open position when connected to the socket 27. Is. When the socket 27 is connected to the plug 24, the plug 24 is forced to be in an open position. The socket 27 allows the plug 24 to be detached when the plug 24 connected to the socket 27 is in a closed posture.

  The air supply unit 40 includes an air supply pipe 41. The air supply pipe 41 has one end connected to the air pump 42 and the other end connected to the mixing unit 50, and connects the air pump 42 and the mixing unit 50. The air pump 42 is driven in accordance with a command given from the control means. When driven, the air pump 42 compresses air and sends out compressed air through the air supply pipe 41.

  14 and 15 show the mixing unit 50 shown in FIG. 2, respectively. FIG. 14 is a perspective view, and FIG. 15 is a cross-sectional view. The mixing unit 50 exemplified here is connected to the first steam supply pipe 12, the stock solution supply pipe 26, and the air supply pipe 41, and is also connected to the beverage delivery pipe 80. Here, the beverage delivery pipe 80 has one end connected to the mixing unit 50 and the other end connected to the forming unit 60, and connects the mixing unit 50 and the forming unit 60. Such a mixing unit 50 includes a steam introduction unit 51, a beverage mixing unit 52, a stock solution introduction unit 53, and an air introduction unit 54.

  The steam introduction part 51 is a part connected to the first steam supply pipe 12 and has a steam introduction passage 511. The steam introduction passage 511 communicates with the first steam supply pipe 12 through the steam introduction port 512.

  The beverage mixing part 52 is a part connected to the beverage delivery pipe 80 and has a mixing passage 521. The mixing passage 521 communicates with the steam introduction passage 511 through the orifice portion 55 and communicates with the beverage delivery pipe 80 through the beverage delivery outlet 522.

  The stock solution introduction part 53 is a part connected to the stock solution supply pipe 26 and has a stock solution introduction passage 531. One end of the stock solution introduction passage 531 communicates with the stock solution supply pipe 26 through the stock solution introduction port 532. The other end of the stock solution introduction passage 531 communicates with the mixing passage 521.

  The air introduction part 54 is a part connected to the air supply pipe 41 and has an air introduction passage 541. One end of the air introduction passage 541 communicates with the air supply pipe 41 through the air introduction port 542. The other end of the air introduction passage 541 communicates with the mixing passage 521. Here, the location where the air introduction passage 541 communicates with the mixing passage 521 is located downstream of the location where the stock solution introduction passage 531 communicates with the mixing passage 521.

  16 and 17 show the forming unit 60 shown in FIG. 2, respectively, FIG. 16 is a perspective view, and FIG. 17 is a cross-sectional view. The forming unit 60 illustrated here is connected to the beverage delivery pipe 80 and is connected to the nozzle unit 70. Such a forming unit 60 includes a beverage introduction unit 61 and a beverage derivation unit 62.

  The beverage introduction part 61 is a part connected to the beverage delivery pipe 80 and has a beverage introduction passage 611. The beverage introduction passage 611 communicates with the beverage delivery pipe 80 through the beverage introduction port 612. The beverage introduction passage 611 is configured to be bent in the middle thereof. Here, it is preferable that the angle α formed by the beverage introduction passage 611 on the upstream side of the bent portion 611a and the beverage introduction passage 611 on the downstream side is an acute angle.

  The beverage outlet portion 62 is a portion connected to the nozzle portion 70 and has a beverage outlet passage 621. The beverage outlet passage 621 communicates with the nozzle portion 70 through the beverage outlet 622. The beverage outlet passage 621 communicates with the beverage introduction passage 611.

  18 and 19 show the nozzle unit 70 shown in FIG. 2, respectively. FIG. 18 is a perspective view, and FIG. 19 is a cross-sectional view. The nozzle part 70 illustrated here is accommodated in the nozzle accommodating part 4 provided in the front surface of the dispenser main body 1a as shown in FIG. 1, and has the nozzle main body 70a and the nozzle cover body 70b.

  As shown in FIG. 20, the nozzle body 70 a is a container with the top portion opened, and the bottom portion is gradually inclined downward from the base end toward the tip. A nozzle chamber 711, a discharge passage 712, and a discharge passage 713 are formed in the nozzle body 70a. The nozzle chamber 711 occupies most of the nozzle body 70a.

  The discharge passage 712 is formed at the tip of the nozzle body 70a and extends downward. The discharge passage 712 communicates with the nozzle chamber 711 through a discharge communication port 714 and communicates with the outside through a discharge port 715 formed in the nozzle body 70a. Here, the discharge communication port 714 is provided in the lower part of the nozzle chamber 711.

  The discharge passage 713 is formed at the tip of the nozzle body 70a and extends downward in a manner adjacent to the discharge passage 712. The discharge passage 713 communicates with the nozzle chamber 711 through the discharge communication port 716, and communicates with the outside through the discharge port 717 formed in the nozzle body 70a. Here, the discharge communication port 716 is provided in the upper part of the nozzle chamber 711.

  In the nozzle body 70a, the beverage guide 72 is provided in the nozzle chamber 711. The beverage guide part 72 is provided in the lower part of the nozzle chamber 711, ie, the bottom part of the nozzle main body 70a, and the flat plate member 721 which is a some channel | path component is arranged in parallel, The upper end part of each flat plate member 721 Are connected to a common support plate 722. As shown in FIG. 21, each flat plate-like member 721 in the beverage guide 72 has a smaller interval between the other flat plate-like members 721 adjacent to each other as it approaches the discharge communication port 714 (discharge port 715). It is provided. Then, after the beverage is passed between the flat plate members 721 adjacent to each other, the discharge passage 712 is passed.

  The nozzle lid 70b is attached to the nozzle body 70a in such a manner as to close the top of the nozzle body 70a. The nozzle lid 70b has a connecting pipe portion 73 and a vapor discharge portion 74. The connecting pipe portion 73 is a cylindrical portion that protrudes upward from the nozzle lid body 70b. The connecting pipe portion 73 is formed with a hollow portion 731 communicating with the inside of the nozzle main body 70 a, and allows a part of the beverage outlet portion 62 of the forming portion 60 to enter and connect to the forming portion 60. It is.

  Similarly to the connecting pipe portion 73, the vapor discharge portion 74 is a cylindrical portion that protrudes upward from the nozzle lid body 70b. The vapor discharge portion 74 is formed with a hollow portion 741 communicating with the inside of the nozzle body 70a, and is for discharging a part of the vapor sent to the inside of the nozzle body 70a.

  In the beverage supply apparatus having the above-described configuration, milk can be supplied to the cup C in the state of foaming as follows. The first steam supply valve 14 is opened by the control means, and the tube pump 23 and the air pump 42 are driven. The second steam supply valve 15 is closed.

  By driving the tube pump 23 in this way, the stock solution supply unit 20 pumps out the milk stock solution of the BIB 21. The milk stock solution pumped from the BIB 21 passes through the tube 22 and then passes through the stock solution passage 273a of the stock solution guide 273 of the socket 27 to reach the stock solution inlet 313. Although the stock solution inlet 313 is closed by the ball valve 36, the ball valve 36 is retracted and moved forward against the biasing force of the biasing means 37 by the pressure of the milk stock solution pumped out from the BIB 21. As a result, the stock solution inlet 313 and the first opening 351 are opened, and the milk stock solution reaches the stock solution outflow passage 331 through the stock solution inlet 313 and the first opening 351, passes through the stock solution outflow passage 331, and passes through the stock solution supply pipe 26. pass. The milk stock solution passing through the stock solution supply pipe 26 reaches the stock solution introduction passage 531 of the mixing unit 50.

  By the way, the pressurized steam generated in the steam tank 11 by opening the first steam supply valve 14 passes through the first steam supply pipe 12 and reaches the steam introduction passage 511 of the mixing unit 50. Further, by driving the air pump 42, the compressed air passes through the air supply pipe 41 and reaches the air introduction passage 541 of the mixing unit 50.

  In the mixing unit 50, the pressurized steam that has passed through the steam introduction passage 511 is reduced in pressure by passing through the orifice portion 55, and passes through the mixing passage 521 in a state where the flow rate is increased. Reaches the mixing passage 521 by the Venturi effect and is heated by the pressurized steam.

  Moreover, in this mixing part 50, the compressed air of the air introduction channel | path 541 mixes with the milk undiluted solution heated by the pressurized steam by entering the mixing channel | path 521, and a milk drink is produced | generated. The milk beverage produced here is in a state of being slightly foamed by compressed air. Thus, the milk beverage generated by the mixing unit 50 passes through the beverage delivery pipe 80 and reaches the beverage introduction passage 611 of the forming unit 60.

  In the forming unit 60, the milk beverage passing through the beverage introduction passage 611 is changed in the bent portion 611a of the beverage introduction passage 611, and the amount of foaming of the milk beverage is reduced by contacting the passage wall surface in the bent portion 611a. Will be increased and foamed. Then, the milk beverage foamed in this way passes through the beverage outlet passage 621 and is delivered to the nozzle unit 70.

  The foamed milk drink delivered to the nozzle unit 70 is temporarily stored in the nozzle chamber 711 and passes between the flat plate members 721 of the beverage guide unit 72. Here, since the flat members 721 are arranged in parallel so that the distance between the flat members 721 becomes closer to the discharge port 715, those with large foaming stay without being able to pass between the flat members 721, Only the fine bubbles pass between the flat members 721.

  And since some vapor | steam etc. are discharge | released from the vapor | steam discharge | release part 74 provided in the nozzle cover 70b, or the discharge channel | path 713, the milk drink temporarily stored in the nozzle chamber 711 is between flat plate-like members 721. After passing through the discharge passage 712 and discharged from the discharge port 715 to the cup C, and thus the milk beverage is supplied.

  After supplying a predetermined amount of milk beverage in this way, in the beverage supply device, the second steam supply valve 15 is opened by the control means, and the tube pump 23 is stopped. In addition, while the drive of the air pump 42 is maintained, the 1st steam supply valve 14 is also opened.

  When the second steam supply valve 15 is opened, the pressurized steam generated in the steam tank 11 passes through the second steam supply pipe 13 and reaches the steam inflow passage 321 of the check valve component 30. Here, in the check valve component 30, the stock solution inlet 313 is blocked by the ball valve 36 because the milk stock solution is not pumped out from the BIB 21 due to the drive stop of the tube pump 23.

  In the check valve component 30, the pressurized steam in the steam inflow passage 321 reaches the valve body housing portion 34 and is ejected from the ejection hole 353 to the surface of the ball valve 36 while passing around the ball guide 35. The pressurized steam ejected to the surface of the ball valve 36 passes through the stock solution supply pipe 26 via the stock solution outflow passage 331 together with the milk stock solution adhering to the surface of the ball valve 36, and the stock solution introduction passage 531 of the mixing unit 50. To.

  The pressurized steam in the stock solution introduction passage 531 (the pressurized steam supplied from the check valve constituting unit 30 together with the milk stock solution) is supplied to the mixing unit 50 via the first steam supply pipe 12. It passes through the forming unit 60 together with the milk mixed with the compressed air supplied to the mixing unit 50 via the air supply pipe 41 and adhering to the passage.

  The pressurized steam or the like that has passed through the forming unit 60 in this manner flows milk together with the foam staying in the nozzle chamber 711 of the nozzle unit 70 and is supplied to the cup C from the discharge port 715.

  Thereby, the milk remaining in each part from the check valve constituting part 30 to the discharge port 715 of the nozzle part 70 can also be supplied to the cup C, and cleaning on these paths can be performed.

  Thereafter, the first steam supply valve 14 and the second steam supply valve 15 are closed by the control means, and the supply of milk is terminated by stopping the driving of the air pump 42.

  As described above, according to the beverage supply apparatus according to the embodiment of the present invention, the mixing unit 50 supplies the milk C, the pressurized steam, and the compressed air to the cup C as a foamed milk beverage. Since it is possible to supply pressurized steam and compressed air to the beverage container and stir the milk to make it foam like in the past, milk or the like is scattered around the cup C. Can be prevented and hygienic. Therefore, milk can be supplied in a foamed state with good hygiene.

  According to the beverage supply apparatus, the milk beverage mixed in the mixing unit 50 is brought into contact with the passage wall surface of the bent portion 611a of the beverage introduction passage 611 in the forming unit 60 to reduce the amount of foaming of the milk beverage. Since it is increased, a more frothed milk drink can be supplied to the cup C.

  According to the beverage supply device, in the beverage guide portion 72 of the nozzle portion 70, the flat plate-like members 721 are arranged in parallel so that the interval between the flat plate-like members 721 approaches the discharge port 715. Since the milk beverage is allowed to pass through, large bubbles are ruptured or retained, and the size of foaming of the milk beverage discharged from the discharge port 715 and supplied to the cup C is made uniform with a small diameter. it can. And since the small hole of a perforated plate is not allowed to pass through to a milk drink like the past, the increase in the supply time of the milk drink with respect to the cup C can be suppressed. Accordingly, it is possible to satisfactorily supply the milk beverage in a foamed state while suppressing an increase in the supply time of the milk beverage.

  According to the beverage supply device, since the milk beverage delivered to the nozzle unit 70 is temporarily stored in the nozzle chamber 711 and discharged from the discharge port 715, the characteristics of the tube pump 23 used in the stock solution supply unit 20 The milk beverage discharged from the discharge port 715 can be prevented from pulsating.

  According to the beverage supply device described above, the beverage guide portion 72 is provided in the nozzle chamber 711, so that the surface area inside the nozzle chamber 711 can be increased, and the pressurized steam sent to the nozzle portion 70 can be quickly discharged. It can be condensed and discharged together with the milk beverage remaining in the nozzle chamber 711 from the discharge port 715, so that the milk beverage can be washed out well.

  According to the beverage supply device, when the plug 24 attached to the distal end portion of the tube 22 of the BIB 21 is detached from the socket 27, the plug 24 is in a closing posture in which the predetermined portion of the tube 22 is blocked. When connected to the socket 27, the BIB 21 and the stock solution supply pipe 26 are communicated with each other through the tube 22 so that a predetermined portion of the tube 22 is opened. Can be prevented from adhering to bacteria and the like, and the tube 22 can be easily connected to piping or the like. Therefore, it is possible to easily connect the tube 22 connected to the BIB 21 to a pipe for supplying a milk beverage and to maintain good hygiene.

  According to the beverage supply device described above, the ball guide 35 of the check valve component 30 has a ball valve 36 in which the first opening 351 is closed and the stock solution inlet 313 is closed. Since the ejection hole 353 is formed at a location facing the surface on the second opening 352 side with respect to the median surface 38, the ball valve 36 and its surroundings are maintained while maintaining the state in which the ball valve 36 closes the stock solution inlet 313. The milk stock solution adhering to can be washed away. Therefore, the sanitary property of the check valve component 30 can be maintained well.

  Moreover, in the drink dispenser 1 to which this drink supply apparatus which is embodiment of this invention and this drink supply apparatus were applied, the following effects can also be show | played besides the said effect.

  According to the beverage supply device, since the air compressed by the air pump 42 is supplied to the mixing unit 50 and mixed with the milk stock solution or the pressurized steam, the air supply unit 40 is changed by changing the rotation speed of the air pump 42 or the like. By appropriately changing the amount of compressed air supplied to the mixing unit 50, the amount of foamed milk beverage in the mixing unit 50 can be adjusted.

  According to the beverage supply device, the supply of pressurized steam from the steam supply unit 10 to the mixing unit 50 is stopped, and the supply of compressed air from the air supply unit 40 to the mixing unit 50 is stopped, whereby the cup C is stopped. The milk stock solution stored in the BIB 21 can also be supplied.

  According to the beverage dispenser 1 to which the beverage supply apparatus is applied, since the cold storage 2 is opened and closed by the rear door 3, when the beverage dispenser 1 is installed in the store, the store employee can use the beverage dispenser 1. The BIB 21 can be easily replaced by opening the rear door 3 without going to the front. That is, the beverage dispenser 1 can be installed on the counter of the store, and it becomes easy for the employee to replace the BIB 21.

  The preferred embodiment of the present invention has been described above, but the present invention is not limited to this, and various modifications can be made.

  In the above-described embodiment, milk is used as an example of a milk drink. However, in the present invention, a milk drink such as soy milk or other drinks may be used.

  In the embodiment described above, a part of the beverage introduction passage 611 is bent in the forming unit 60. However, in the present invention, the heated milk beverage containing compressed air is brought into contact with the passage wall surface to reduce the amount of foaming. The configuration is not particularly limited as long as it is increased.

  Although not particularly used in the embodiment described above, in the present invention, the check valve component 30 ′ may accommodate a cleaning socket 27 ′ as shown in FIG. 22 in the check valve main body 30 a. The cleaning socket 27 ′ shown in FIG. 22 is provided with a cylindrical storage portion 273 ′ that covers the cylindrical portion 312 of the check valve main body 30 a from the outside and stores it in place of the stock solution guide portion 273 with respect to the socket 27 described above. It is different. By using such a cleaning socket 27 ′, it is possible to satisfactorily clean a portion that is difficult to clean with the socket 27 mounted.

10 Steam supply part (steam supply means)
20 Stock solution supply unit (stock solution supply means)
DESCRIPTION OF SYMBOLS 21 Bag in box 22 Tube 23 Tube pump 24 Plug 27 Socket 30 Check valve structure part 30a Check valve main body 31 Socket accommodating part 32 Steam inflow part 33 Stock solution outflow part 34 Valve body accommodating part 35 Ball guide 36 Ball valve 40 Air supply unit (air supply means)
DESCRIPTION OF SYMBOLS 50 Mixing part 60 Forming part 70 Nozzle part 70a Nozzle main body 711 Nozzle chamber 712 Discharge passage 713 Discharge passage 714 Discharge communication port 715 Discharge port 716 Discharge communication port 717 Discharge port 72 Beverage guide part 721 Flat plate member C Cup (beverage container)

Claims (3)

In a beverage supply device for supplying a beverage to a beverage container,
A bag-in-box containing a bag-like container enclosing the beverage stock solution in a box-like container;
A plug attached to the tip of a tube connected to the bag-in-box;
The plug is attached to a pipe for supplying the beverage, and includes a plug and a detachable socket.
When the plug is detached from the socket, the plug is in a closing position to close the predetermined portion of the tube, and when connected to the socket, the plug is opened to open the predetermined portion. A beverage supply device characterized in that the bag-in-box and the pipe are in communication with each other through the tube.   The beverage supply device according to claim 1, wherein when the socket is connected to the plug, the socket is forcibly brought into the open position.   The beverage supply device according to claim 1 or 2, wherein the socket allows the plug to be detached when the plug connected to the socket is in a closed posture.

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