JPH0424753B2 - - Google Patents

Description

Detailed Description of the Invention (Industrial Application Field) The present invention provides a syrup vending machine that uses a bag-in box, which serves as a syrup filling container for a cup vendor from a production factory, as a syrup supply source. This relates to a joint with a check valve used for.

(Prior art) Conventionally, syrup for cup vending from a production factory, etc., is filled and packaged in cans, bottles, or paper cartons. The packaging is opened one by one and dispensed into the syrup tank inside the vending machine.

However, in the case of the above-mentioned syrup vending machine, not only is the operation of supplying syrup from another packaging container to the syrup tank complicated, but also the operation of opening the packaging container and pouring the syrup into the tank causes the syrup to leak out. This caused hygiene problems as workers were exposed to outside air and had to touch the pouring part of the container with their hands.

As an improvement on this point, there has been a known device in which a container filled with a beverage such as milk or alcoholic beverages from a production factory can be placed directly into a vending machine (Japanese Patent Publication No. 39, 1983). −9352
(Refer to Utility Model Publication No. 44-13141).

(Problems to be Solved by the Invention) In the former case, which is conventionally known, the container filled with contents from a production factory etc. is a plastic bag, and in the latter case, Since these containers are considered to be molded plastic containers, etc., when they are shipped from production factories, they are usually packed in cardboard boxes, etc., and when placed in vending machines, they are In the former case, the plastic bag and the pipe are connected, and in the latter case, the tank and the pipe are connected. None of them took any special measures to prevent outside air from entering the pipes or piping when replacing bags or tanks such as joints with check valves.

The present invention has been improved in these points, and its purpose is to change the use of the bag-in box as a syrup supply source in vending machines, and to improve the ability to aspirate and dispense syrup from the bag-in box. To provide a joint with a check valve so that an inbox can be replaced hygienically without being contaminated with bacteria.

(Means for Solving the Problems) In order to achieve the above object, the present invention provides a joint with a check valve for use in a syrup vending machine, which includes a valve body with a pipe and a valve body fitted therein. The inner cavity between the valve body and the valve seat body is equipped with an umbrella-type check valve with a spring, and the valve at the valve opening, which is the inlet of the stabbing blade, is inserted into the inner cavity between the valve body and the valve seat body. It has a configuration in which it is pressed against the seat.

(Example) Hereinafter, an example of the present invention will be described based on the drawings.

A syrup filling container for a cup vending machine, that is, a bag-in box, which uses the joint with a check valve for a syrup vending machine of the present invention, is obtained from, for example, a production factory, and is filled with syrup as a content. It is sealed and placed directly into the vending machine.

A spout b as shown in FIG. 1 is attached to this bag-in box a.

The spout main body 1 is integrally formed with ring-shaped flanges 3 and 4 that are attached to the opening 2 of the bag-in box a, and these flanges 4 and the flange 3 that is welded to the opening of the inner bag 6. An outer box 5 made of cardboard or the like of bag-in box a is held between the two.

Further, the spout main body 1 may be directly attached to the opening of the inner bag 6 and protrude from the opening of the outer box 5.

The spout main body 1 has a cylindrical shape, and a sealing film 9 is adhered to the edge of an opening 8 in a funnel-shaped bracket 7 that is integrally formed to protrude toward the inside.

The spout main body 1 is covered with a cap 10.

In the bag-in box b having the spout a having such a configuration, the inner bag 6 is filled with syrup, and the bag-in box b is sealed with a sealing film 9 bonded to the opening hole 8 of the spout body 1. Although it is used as a distribution container, when it is transported filled with syrup from a production factory, sealed, and placed in a vending machine as it is, the joint c with a check valve of the present invention having the structure described below is used as described above. It is attached to spout b.

Figures 2 and 3 show the case where the joint c with a check valve is used in different states, that is, the one in Figure 2 shows the case when the bag-in box a is used in the upright position, and the one in Figure 3 shows the case where the bag-in box a is used in an upright position. The one shown is for use in an inverted position.

The joint c with a check valve is made up of a valve body 11 and a valve seat body 12, and the valve body 11 is integrally formed with a pipe 13 connected to a switching valve, which will be described later. A double cylinder 15 of the valve seat body 12 is fitted into the body portion 14 from the inside and outside.

A spring 17 is interposed in the inner cavity 16 between the valve seat body 12 and the valve body 11, and an umbrella-type check valve 18 pressed by the spring 17 contacts the valve seat 19 so as to be openable and closable. .

In the illustrated example, the pipe 13 is bent into a square shape, and its tip protrudes into the inner cavity 16 between the valve seat body 12 and the valve body 11.

Gaskets 20 and 21 are provided in the groove on the outer periphery of the valve seat body 12.
There is a seal 21 of which the valve seat body 12
It is attached to the tapered surface 22 of.

Further, a piercing blade 24 is integrally formed in the valve port 23 having the valve seat 19 of the valve seat body 12.

To explain how the joint c with a check valve configured as described above is used, when the bag-in box a is used in an upright position as shown in FIG. cap 10
Remove it and break through the sealing membrane 9 with the piercing blade 24 of the joint c with a check valve.

After that, the tapered surface 2 of the valve seat body 12 of the joint c
2 and the slope 7b of the bracket 7 of the spout body 1, the hose d is suspended in the inner bag 6 with the funnel-shaped part 25 of the hose d sandwiched between the spout body 1 and the slope 7b of the bracket 7 of the spout body 1. Tighten the holed cap 26 to the spout body 1 so that the joint c does not come off.

The liquid guide path for sucking and dispensing the syrup from the inner bag 6 is as follows:
It may be provided along the inner surface of the inner bag 6.

In the case of FIG. 3, it is sufficient to simply remove the cap 10 from the spout main body 1 and attach the joint c with a check valve without using the hose d, and the sealing membrane 9 is opened by the piercing blade 24. Then, by inverting the bag-in box a, the valve port 2 of the valve seat body 12 is opened.
Syrup is poured directly from 3.

When used as shown in FIG. 2, when the bag-in box a is in an upright position, and when suction by the pump, which will be described later, begins, the umbrella-type check valve 1
8 separates from the valve seat 19 against the spring 17,
Hose d becomes a liquid guide path and bag-in box a
The syrup inside will be sucked up, and as shown in Figure 4 A,
According to the order of B and C, the syrup decreases and the inner bag reaches 6.
is shrinking.

When used as shown in FIG. 3, the bag-in box a is in an inverted state, and the umbrella-shaped check valve 18 is moved by the spring 1 due to suction from the pump.
7, the syrup in the bag-in box a moves away from the valve seat 19 as shown in FIG.
It descends in order of B and C, and the inner bag 6 shrinks. In this case, hose d is not used.

Next, when the bag-in box a as described above is set in the syrup supply device of a vending machine, the overall operation will be explained based on Figs. 6 and 7. In Fig. 6, the syrup is Place the filled bag-in box a in an upright position (second
This figure shows the syrup outflow route of the syrup supply device in a vending machine when used in the case shown in the figure. Bag-in box a is connected to pipe 13 via a joint c with a check valve, and is further Connected to pipe 13' via valve e, pipe 1
3' is connected via a detection device f to a reserve tank g for the purpose of removing air.

The reserve tank g is connected to a pump p via a pipe 13'', and the pump p is connected to a cooling coil h via a pipe ₁₃₁ .

Therefore, when the pump p is operated, the syrup in the bag-in box a, which has been switched by the switching valve e, is cooled by the cooling coil h, and then flows into the pouring pipe 1.
3 It is poured out from ₂ to the cup i.

In the case of FIG. 7, the bag-in box a is used in an inverted state (the case shown in FIG. 3), and other aspects are the same as in the case of FIG. 6.

In the vending machine as described above, when the purchaser presses the push button, the syrup detection device f is activated and the switching valve e is activated, which also activates the corresponding pump p, so that the cooled syrup is dispensed into the tap i. It is poured out.

In the embodiment, the spout main body 1 has a sealing film 9, but the bag-in box a may have a spout main body that uses the plastic inner bag 6 directly as a sealing film.

In the present invention, a bag-in box filled with syrup and sealed from a production factory is used as is, and a fitting with a check valve that fits with the spout is connected to the cap of the spout. Just by unscrewing and fitting the bag-in box, preparations for dispensing syrup from the bag-in box are completed, and when the syrup in the bag-in box is emptied by pouring, it can be removed and replaced with a new one. Exchange. When replacing a fitting with a check valve, the umbrella-type check valve closes with a spring, so outside air will not enter the pipe through the fitting, and the inside of the pipe will be contaminated by bacteria. There's nothing to do. When installing a new bag-in box, the piercing blade portion can be cleaned. Note that the vending machine of the present invention can also be used for other beverage liquids such as juice.

(Effects of the Invention) The present invention allows a bag-in box used as a distribution container to be used as a syrup container for a cup vendor, and a bag-in box that has been filled with syrup and sealed at a production factory etc. can be directly set in a vending machine. It is a joint with a check valve that is attached to the bag-in box when used as a bag-in box.It consists of a valve body and a valve seat body with a stabbing blade that fits into the valve body. In the lumen between
Since the umbrella-shaped check valve is pressed with a spring against the valve seat of the valve port that serves as the inlet of the stabbing blade, when this is installed in a bag-in box set in a vending machine, All you have to do is remove the cap from the spout body of the bag-in-box, break the sealing membrane with a piercing blade, and screw on the cap, making it easy to use a joint with a check valve.

In addition, by using a bag-in box, there is no need to transfer the syrup from various containers to the on-board syrup tank as in the past, and the syrup does not come into contact with the operator's hands or the outside air, especially when changing bag-in boxes. Sometimes, the umbrella check valve closes the valve opening with a spring so that outside air cannot enter into the suction pipe through the fitting and therefore cannot be contaminated by bacteria or the like. Moreover, for new bag-in boxes, it is extremely hygienic because only the piercing blade portion needs to be cleaned.

Furthermore, when cleaning the entire joint with a check valve, you can remove the valve body and valve seat body, and disassemble the spring and umbrella check valve to clean each component, and it is easy to assemble. Can be done.

In summary, the joint with a check valve of the present invention is
Just place the bag-in box filled with syrup and sealed inside the vending machine and attach it to the spout of the vending machine, then use the piercing blade to break the sealing membrane and suction the syrup against the check valve. It is easy to use and extremely hygienic because it is dispensed from the pipe.Especially when replacing the bag-in box, the check valve closes the valve opening and prevents outside air from entering the pipe. Since there is nothing to do, there is no contamination with bacteria, etc., making it hygienic.

[Brief explanation of drawings]

Figure 1 is a sectional view of the spout part of the bag-in box, Figures 2 and 3 are sectional views showing different ways to use the joint with a check valve, Figures 4 and 5,
B and C are explanatory diagrams showing the contraction phenomenon of the inner bag of the bag-in box corresponding to FIGS. 2 and 3, and FIGS. 6 and 7 are syrup release paths of the device corresponding to FIGS. 2 and 3. It is a diagram. a... Bag-in box, b... Pour spout, c
...Joint with check valve, d...Hose, 1...Spout body, 5...Outer box, 6...Inner bag, 8...Opening opening, 9...Sealing membrane, 17...Spring, 18 …
...Umbrella-type check valve, 19...Valve seat, 23...Valve port, 2
4...Piercing blade.

Claims (1)

[Claims] 1 Consists of a valve body with a pipe and a valve seat body with a piercing blade that fits into the valve body, and in the inner cavity between the valve body and the valve seat body, an umbrella-type check valve with a spring is inserted. A joint with a check valve for use in syrup vending machines, which is in pressure contact with the valve seat of the valve opening that serves as the inlet of the stabbing blade.