JP5850591B1 - Bag in box - Google Patents

Abstract

An object of the present invention is to provide a bag-in-box capable of reliably discharging a liquid content remaining in a “film type” interior container to the end. On both sides of the bottom of the storage box 51, a base is provided above the insertion hole to hold the suspension container 81 so as to be inclined from the outside to the inside. A V-shaped guide groove that guides the lower end of the suspension container toward the end is formed, and on the other hand, a suspension means that suspends and holds an open / close stopper provided at the top of the suspension container is provided at the top of the storage box, Open the open / close stopper of the suspension container, fill the suspension container with liquid content, close the open / close stopper, fit the suspension container into the storage box, and guide the lower end of the suspension container with the guide groove. The nozzle is pulled out from the insertion hole, an automatic shut-off valve is attached to the end of the dispensing nozzle, and an open / close stopper provided on the upper part of the suspension container is suspended and held by the suspension means. [Selection] Figure 37

Description

The present invention comprises a storage box provided with an insertion hole for a pouring nozzle in a lower side wall, and a suspension container made of a film material stored in a suspended state in the storage box, and a pouring nozzle attached to the lower end of the suspension container An object of the present invention is to provide a bag-in-box in which an automatic shut-off valve is attached to the end of the bag through the insertion hole.

In recent years, with increasing interest in environmental issues such as global warming, efforts have been made to save resources, save energy, and easily dispose of packaging containers. In addition, development and dissemination in response to these requirements are being accelerated.
A bag-in-box is such an environmentally friendly packaging container, which is composed of a plastic interior container and an exterior container mainly composed of a cardboard case. It is a container.
Among them, the present invention relates to a so-called “film type” interior container, and “film type” is generally a film bag formed by thermally welding a 2≡3 layer film by a heat seal method or an impulse seal method. It is a thing. And the spout shape | molded by the injection molding method is heat-welded by the interior container main body for filling and taking out the contents.
Corrugated cardboard cases are generally used as outer containers, and the material configuration and form are selected from the required qualities such as capacity, transportation conditions, and post-line suitability.

The following are known as prior arts composed of such “film type” interior containers and exterior containers mainly composed of cardboard cases.
1) An example in which a spout is provided on the side surface of an exterior container US Publication No. 2009-57339 (see Patent Document 1)
Japanese Utility Model Publication No. 63-192283 (see Patent Document 2)
Japanese Utility Model Publication No. 53-154127 (see Patent Document 3)
Japanese Utility Model Laid-Open No. 63-13867 (see Patent Document 4: Inclined bottom portion of outer container)
U.S. Pat. No. 3,453,033 (see Patent Document 5: Inclined bottom on outer container)
Japanese Utility Model Publication No. 61-172056 (see Patent Document 6)
2) An example of suspending and holding an inner container on the upper part of the outer container JP-A-6-171668 (see Patent Document 7)
3) An example in which a reinforcing material is attached to the side wall of the outer container JP-A-7-315436 (see Patent Document 8)

US Publication No. 2009-57339 Japanese Utility Model Publication No. 63-192283 Japanese Utility Model Publication No. 53-154127 Japanese Utility Model Publication No. 63-13867 US Pat. No. 3,453,033 Japanese Utility Model Publication No. 61-172056 JP-A-6-171668 JP 7-315436 A

However, even in the above prior art, there is hardly any one that can pour out the liquid contents in the “film type” interior container to the end.
For example, as shown in Japanese Utility Model Laid-Open No. 63-13867 (see Patent Document 4: Inclined bottom portion in exterior container) and US Pat. No. 3,453,033 (see Patent Document 5: Inclined bottom portion in exterior container) The liquid content remaining in the “film type” interior container could not be reliably discharged to the end.

The present invention has been made in view of such a state of the art, and an object of the present invention is to provide a bag-in-box capable of reliably discharging the liquid content remaining in the “film type” interior container to the end. .

In order to solve the above-described conventional problems, the bag-in-box of the present invention has a storage box provided with an insertion hole for the extraction nozzle on the lower side wall,
An open / close stopper with a built-in check valve at the top, a pouring nozzle attached to the lower end , and a suspension container made of a film material that can be stored in a suspended state in the storage box, and a note attached to the lower end of the suspension container The outlet nozzle is a bag-in-box that is pulled out from the insertion hole and has an automatic shut-off valve attached to its end,
On both sides of the bottom portion of the storage box, the insertion hole base for holding the suspended container from the outside to the upper inclined inwardly it is provided than, also the end of the nozzle pouring in the intermediate position A V-shaped guide groove is formed to guide the lower end of the suspension container toward the
On the other hand, the upper portion of the storage box, is characterized in that the suspension means for suspending holding the closing plug is provided over the suspension container is provided.

In the bag-in-box of the present invention, the storage box is composed of an inner box and an outer box,
The inner box has a rectangular bottom plate, a pair of opposing side plates integrally formed on both sides of the bottom plate via folds, and a reinforcing plate and an outer plate integrally formed via folds in the width direction of each side plate. And between the pair of side plates are integrally formed on both sides of the bottom plate through folds, and an outer vertical plate, an upper base plate, an inner vertical plate, and a lower base plate are integrally formed in order from the fold side, and the outer vertical plate A base plate for forming a base that is longer than the inner vertical plate and holds the suspension container inclined from the outside to the inside, and a V-shape by making an incision outward from the fold at the substantially central position of the bottom plate. A V-shaped plate that constitutes a guide groove, a support piece formed through a crease at the top of each side plate, and an insertion hole for a dispensing nozzle provided at the bottom of the side plate,
The outer box for storing the inner box includes a pair of opposing top plate side flaps provided with slits for inserting the opening and closing plugs of the suspension container, and a top plate disposed therebetween.
The inner box has side plates raised from both sides of the bottom plate, and a base is formed by folding the base plate between the two side plates in the order of the outer vertical plate, the upper base plate, the inner vertical plate, and the lower base plate. A V-shaped guide groove is formed by placing a V-shaped plate raised from the crease on the base, the reinforcing plates of the both side plates are folded back to the side plate, and the outer plate is folded in the base side. In the box,
The support piece formed on the upper part of each side plate is folded inward, and the top plate side flap of the outer box is engaged and held thereon, and the storage box can be closed with the top plate. A box,
A suspension container pouring nozzle is fitted into the insertion hole and pulled out, and the suspension container is dropped onto the base and the V-shaped guide groove, and a slit of the top plate side flap is inserted into the slit of the suspension container. An opening / closing stopper with a built-in check valve is inserted, the suspension container is suspended at the slit position of the top plate side flap, and an automatic stop valve is attached to the dispensing nozzle. It is a feature.

In the bag-in-box of the present invention, the bottom plate and a lower base plate constituting a base plate for forming a base integrally formed on both sides of the bottom plate through folds are respectively formed with slits and engagement pieces. It is also characterized by being connected and fixed by assembling .

In the first invention, the bottom plate portion has a V-shaped structure, and the suspension container is suspended from the top plate. The liquid content remaining in the “film type” interior container in the bag-in-box is obtained. It is possible to provide a bag-in-box that can be surely discharged to the end.

In addition, the check valve allows the liquid contents in the suspension container to be discharged so that no air remains. The liquid contents are prevented from being oxidized, and the liquid contents are kept fresh while being sure to the end. It is possible to provide a bag-in-box that can be discharged.

In the second invention , the storage box is composed of an inner box and an outer box, each of which is folded at a crease to form a base for supporting the suspended container and a V-shaped guide groove, and a slit on the top plate side flap. Since the open / close stopper of the suspension container is suspended, the assembly of the storage box and the suspension container is easy, and a very low cost bag-in box can be provided.
Then, the bottom plate and a lower base plate constituting a base plate for forming a base integrally formed on both sides of the bottom plate via a fold are assembled and connected to each other by assembling slits and engagement pieces formed respectively. Since it did in this way, the assembly with the baseplate used as a baseplate is easy, and the bag in box which can be easily assembled only by folding the storage box and inserting the engagement piece to the slit can be provided.

It is an expanded view which shows the example of the inner box of the storage box which comprises the bag in box which concerns on this invention. FIG. It is the perspective view of the state which raised the V-shaped board which shows the assembly process and comprises a V-shaped guide groove. It is a perspective view which shows the state which raised the base plate for one base formation. It is a perspective view which shows the state which turned down the lower baseplate of the baseplate. It is a perspective view which shows the state which turned up the outer vertical board of the base plate, the upper base plate, and the inner vertical board. It is a perspective view which shows the state which inserted the engagement board raised from the baseplate in the slit provided in the baseplate of the baseplate. It is a perspective view which shows the state which piled up the folding piece provided in the edge part of the lower baseplate of a baseplate, and the folding piece provided corresponding to the baseplate. It is a perspective view which shows the state which raised the base plate for the other base formation. It is a perspective view of the state which assembled | attached this base plate. It is a perspective view in the state where the V-shaped plate was brought down so as to contact the base plate. It is a perspective view in the state where one side plate was raised. It is a perspective view which shows the state which turned the reinforcement board adjacent to this side board on the outer side of the side board. It is a perspective view which shows the state which turned the reinforcement board adjacent to the other side board on the outer side of the side board. It is a perspective view which shows the state which turned the insertion hole provided in the lower part of the said side plate inward. It is a perspective view of the state which raised the other side board. It is a perspective view which shows the state which turned up the outer side board of each side board so that a base might be enclosed. It is a perspective view which shows the state which assembled | attached the inner box by folding the support piece formed in the upper part of each said side plate inward. It is a perspective view which shows the state which integrates the inner box in which assembly | attachment was completed in an outer box. It is a perspective view which shows the state which integration was completed. It is the schematic sectional drawing. It is a front view which shows the example of the suspension container which comprises the bag in box which concerns on this invention. It is a perspective view which shows the state which decomposed | disassembled the suspension container. It is a perspective view which shows the state which assembled | attached the suspension container. It is a perspective view which shows the state which attaches a suspension container to the storage box which integrated the inner box in the outer box. It is sectional drawing which shows the state which assembled | attached the empty suspension container to the storage box. It is sectional drawing which shows the state which fills an empty suspension container with a liquid content. It is sectional drawing which shows the state which filled the liquid content in the empty suspension container. It is sectional drawing which shows the state which pushes a suspension container from the top and is going to discharge | emit the air on the liquid content in a suspension container. It is a perspective view in the state where air was discharged to the last. It is sectional drawing of the state which attached the cap to the opening / closing stopper. It is a perspective view of the state where the cap was attached to the opening-and-closing stopper. It is a perspective view of the state which folded one top plate side flap on the suspension container. It is a perspective view of the state which folded the other top-plate side flap on the suspension container. FIG. It is a perspective view which shows the state which folded the top plate from the top finally. FIG. It is sectional drawing which shows the state which used the liquid content in a suspension container considerably. It is a perspective view which shows the state which piled up the storage box in multiple stages. An example of the automatic closing valve used for the suspension container of this invention is shown, (a) is a perspective view of the state which closed the automatic closing valve, (b) is a top view. (A) is a perspective view of the state which pushed and opened the movable member, (b) is a top view. It is a disassembled perspective view which shows the state before the assembly | attachment of an automatic shut-off valve. It is a disassembled perspective view which shows the state which assembled | attached the automatic shut-off valve. It is a perspective view which shows the step which attaches an automatic shut-off valve to a housing lower part. It is a perspective view which shows the state which assembled | attached the automatic shut-off valve to the housing lower part. It is a perspective view which shows the step which attaches an automatic shut-off valve to a housing upper part. It is a perspective view which shows the state which assembled | attached the automatic shut-off valve to the housing upper part. It is a perspective view which shows the step of assembling a latching lever on a housing. It is a perspective view which shows the state which assembled | attached the latching lever on the housing. It is an exploded sectional view of an automatic shut-off valve and a housing. It is an exploded sectional view in the state where a pouring nozzle was attached to an automatic shut-off valve. Furthermore, it is an exploded sectional view in the state where the lower part of the housing was assembled. It is an exploded sectional view in the state where the inner cylinder with a flange was assembled to the extraction nozzle. It is an exploded sectional view of the state where the inner cylinder with a flange was attached to the cylindrical guide part which inserted the extraction nozzle. It is an exploded sectional view in the state where the pushbutton was released and the automatic shut-off valve was returned to the normal position. Furthermore, it is an exploded sectional view in the state where the housing upper part was assembled. It is an exploded sectional view of the state where the locking lever is assembled to the upper part of the housing. It is sectional drawing of the step which is pushing the pushbutton and is opening the automatic shut-off valve. It is sectional drawing of the state which pushed the pushbutton and opened the automatic shut-off valve completely. It is sectional drawing of the step which pushes up a latching lever and tries to cancel | release engagement with the latching | locking part of a latching lever, and a pushbutton. It is sectional drawing of the state by which engagement with the latching | locking part of a latching lever and a pushbutton was cancelled | released. It is sectional drawing of the state which the automatic shut-off valve returned to the normal position. It is sectional drawing of the state in which the automatic shut-off valve opens and the liquid content is being poured out. It is sectional drawing of the state which the automatic shut-off valve closed and the pouring of the liquid content stopped.

Next, an embodiment of the bag-in-box according to the present invention will be described with reference to FIGS. FIGS. 1 to 21 show the assembly process of the storage box, FIGS. 22 to 24 show examples of the suspension container, FIGS. 25 to 39 show the assembly process of the suspension container to the storage box, and FIGS. 40 to 64 show the suspension process. An example of the automatic shut-off valve used for a container is shown.

FIGS. 1 to 21 show an example of a storage box 51 constituting a bag-in box according to the present invention. The storage box 51 includes an inner box 52 and an outer box 53.
1 and 2, the inner box 52 includes a rectangular bottom plate 61, a pair of opposing side plates 62 and 63 integrally formed on both sides of the bottom plate 61 via folds 62a and 63a, respectively. The side plates 62 and 63 are composed of reinforcing plates 64 and 65 and outer plates 66 and 67 that are integrally formed via folds 64a and 65a in the width direction.
61a and 61b are V-shaped plates that form a V-shaped guide groove by cutting outward from a fold at the substantially central position of the bottom plate 61, and 61c and 61d are engagement plates that are inserted into slits 68f and 69f of the lower base plate described later. , 61e and 61f are folded pieces provided on the bottom plate corresponding to the folded pieces provided at the end of the lower base plate, and are provided on the bottom plate 61, respectively.
Reference numerals 62b and 63b denote support pieces formed on the upper portions of the side plates 62 and 63 through folds, and reference numerals 64b and 65b denote support pieces provided on the reinforcement plates 64 and 65, respectively.
Furthermore, 62c and 64c are insertion holes for the pouring nozzle provided in one side plate 62 and one reinforcing plate 64.

1 and 2, the inner box 52 is a base plate that forms a pair of opposed bases integrally formed on both sides of the bottom plate 61 via folds 68a and 69a between the pair of side plates 62 and 63. 68, 69.
The base plates 68 and 69 integrally form the outer vertical plates 68b and 69b, the upper base plates 68c and 69c, the inner vertical plates 68d and 69d, and the lower base plates 68e and 69e in this order from the folds 68a and 69a. The outer vertical plates 68b and 69b are longer than the inner vertical plates 68d and 69d, and a suspension container, which will be described later, is inclined and held from the outside toward the inside.

The inner box 52 formed as described above is assembled in the steps as shown in FIGS.
That is, the V-shaped plates 61a and 61b constituting the V-shaped guide groove of the inner box 52 are raised as shown in FIG.
Next, the base plate 68 for forming one base is raised as shown in FIG. 4, the lower base plate 68e of the base plate 68 is turned inward as shown in FIG. 5, and the inner vertical plate 68d is sequentially turned as shown in FIG. The upper base plate 68c and the outer vertical plate 68b are folded back, and the engagement plate 61c raised from the bottom plate 61 is inserted into the slit 68f provided in the lower base plate 68e of the base plate 68 as shown in FIG. The folded piece 68g provided at the end of the lower base plate 68e of the plate 68 and the folded piece 61e provided corresponding to the bottom plate 61 are stacked and raised.

Next, the base plate 69 for forming the other base is started up as shown in FIG. 9, and the inner vertical plate 69d, the upper base plate 69c, and the outer vertical plate 69b are sequentially folded back as shown in FIG. The engaging plate 61d raised from the bottom plate 61 is inserted into the slit 69f provided in 69e, and the folded piece 69g provided at the end of the lower base plate 69e of the base plate 69 and the folded piece 61f provided corresponding to the bottom plate 61, The base 70 is formed by stacking and raising.
FIG. 11 shows a state in which the V-shaped plates 61 a and 61 b are tilted so as to contact the base plates 68 and 69.

Thereafter, one side plate 63 is raised as shown in FIG. 12, and the reinforcing plate 65 adjacent to the side plate 63 is folded back to the outside of the side plate 63 as shown in FIG. 13 and then adjacent to the other side plate 62 as shown in FIG. The reinforcing plate 64 to be turned is folded back to the outside of the side plate 62.
FIG. 15 shows a state in which the insertion holes 62c and 64c provided in the lower portions of the side plate 62 and the reinforcing plate 64 are turned inward.

Further, the inner box 52 has the side plate 62 raised as shown in FIG. 16, and the outer plates 66 and 67 of the side plates 62 and 63 are folded so as to surround the base 70 as shown in FIG. As described above, when the support pieces 62b and 63b formed on the side plates 62 and 63 and the support pieces 64b and 65b provided on the reinforcement plates 64 and 65 are folded inward, the assembly of the inner box 52 is completed.

On the other hand, the outer box 53 for storing the inner box 52 is provided with a pair of opposed top plate side flaps 71 provided with slits 72 in the upper part thereof, as shown in FIG. And a pair of top plates 73.
Then, as shown in FIG. 19, the inner box 52 is fitted with the pair of top plate side flaps 71 and the pair of top plates 73 open.
20 and 21 are a perspective view and a sectional view, respectively, showing a state in which the inner box 52 is fitted in the outer box 53.

22 to 24 show examples of the suspension container.
The suspension container 81 used is a bag-shaped container in which the outer periphery of two flexible plastic materials is closed by means such as a heat seal 82 in FIGS. An open / close stopper 84 having a check valve 85 is attached to the flange 83 at one end thereof, and a slit 72 of the top plate side flap 71 is inserted between the flange 83 and the open / close stopper 84 to suspend the container 81. Is designed to support the suspension.
The check valve 85 opens when a load is applied in the direction in which the slit provided at the top pushes out the liquid content P, but closes when air or the like enters the suspension container 81 from the outside. The container 81 can be a kind of vacuum container.
Further, a pouring nozzle 86 is connected to the other end of the suspension container 81, and an automatic closing valve 11, which will be described in detail later, is attached to the end of the pouring nozzle 86.

25 to 39 show the process of assembling the suspension container 81 to the storage box 51. FIG.
That is, when the suspension container 81 is dropped into the storage box 51 in which the inner box 52 is assembled in the outer box 53 as shown in FIG. 25, the empty suspension container 81 is assembled in the storage box 51 as shown in FIG. At that time, the dispensing nozzle 86 is also drawn out from the insertion holes 62c and 64c as shown in FIG.
Next, as shown in FIG. 27, the liquid content P is filled into the empty suspension container 81 through the refilling container 91 and the like.
When the liquid content P is filled in the suspension container 81 as shown in FIG. 28, air usually remains in the upper part of the suspension container 81, so the liquid content in the suspension container 81 as shown in FIG. The air on the object P is discharged from the suspension container 81 by pushing the suspension container 81 by hand from above to exhaust the air from the suspension container 81 as shown in FIG. To complete the filling.
FIG. 32 is a perspective view of a state in which a cap 87 is attached to the opening / closing plug 84.

After that, as shown in FIG. 33, one top plate side flap 71 is folded on the suspension container 81 via a downward step 71a, and the other top plate side flap 71 is interposed via a downward step 71a as shown in FIG. Fold over the suspension container 81. At that time, as described above, the slit 72 of the top plate side flap 71 is inserted between the flange portion 83 and the open / close plug 84, and the suspension container 81 is suspended and supported.
FIG. 35 is a cross-sectional view showing this state.
Finally, as shown in FIG. 36, when the top plate 73 is folded from above, the assembly of the suspension container 81 to the storage box 51 is completed.
FIG. 37 shows a cross-sectional view thereof.

FIG. 38 shows a state in which the automatic shut-off valve 11 is opened and the liquid content P in the suspension container 81 is considerably used. As described above, since no air is contained in the suspension container 81, the suspension container 81 is also narrowed downward as the liquid content P is lowered by its own weight, and is formed into a V shape including the base 70 and the V-shaped plates 61a and 61b. The liquid content P falls into the guide groove and can be extracted from the dispensing nozzle 86 to the end.
FIG. 39 shows that the storage boxes 51 can be stacked in multiple stages. The side wall has a double structure of the side plates 62 and 63 and the reinforcing plates 64 and 65, so that the storage box 51 has sufficient strength. It shows that.

40 to 64 show an example of an automatic closing valve used for a suspended container.
As shown in FIGS. 40 to 43, the automatic shut-off valve 11 used in the hanging nozzle automatic shut-off mechanism of the hanging container according to the present invention has a pair of upper and lower plate-like members 12, 13 in a U-shape at a predetermined interval. The fixed member A having a width corresponding to the outer diameter of the pouring nozzle 41 of the suspension container and the single plate-like member 15 are connected and held so as to be formed in the middle of the plate-like members 12 and 13. The movable member B is inserted between the upper and lower plate-like members 12 and 13 and has a slit 16 having a width corresponding to the outer diameter of the pouring nozzle 41 in the middle of the plate-like member 15.
Of course, the movable member B is slidably held between the upper and lower plate-like members 12 and 13 of the fixed member A. At that time, both leg portions 15a and 15b of the plate-like member 15 separated by the slit 16 of the movable member B are inserted into the fixing member A from the insertion grooves 17a and 17b formed on both sides of the connecting portion 17 of the fixing member A. It is designed to protrude outside.

When the automatic shut-off valve 11 is assembled, as shown in FIG. 42, a plate member 15 is inserted between the upper and lower plate members 12 and 13 and formed on each side surface of the fixed member A and the movable member B. When the elastic ring 19 made of a rubber band or the like is hung around the hook portion 18, they are combined to form the automatic closing valve 11 as shown in FIG. 43.
40 (a) and 40 (b), the movable member B is pulled to the fixed member A side by the elastic ring 19, so that the dispensing nozzle 41 inserted through the slits 14 and 16 is flat. It is crushed and closed.
Conversely, as shown in FIGS. 41 (a) and 41 (b), the gap between the slits 14 and 16 is widened by pushing the movable member B in the direction of pushing out the fixed member A against the load of the elastic ring 19. The pouring nozzle 41 inserted between the slits 14 and 16 is opened with no load to be crushed.

44 to 47 show a process of housing the automatic shut-off valve 11 in the housing 21, and FIG. 44 includes a cylindrical guide portion 22 through which the dispensing nozzle 41 can be inserted in the base portion 23 on the bottom side. A lower housing 21a is shown, and the lower housing 21a is formed in a U shape by raising side walls 24 and 25 on both sides of the base plate portion 23.
The one side wall 24 is formed with storage grooves 24a and 24b through which both the leg portions 15a and 15b of the plate-like member 15 of the movable member B can be inserted. The other side wall 25 has a hook portion 25a facing downward on the outer surface. Is formed.
FIG. 45 shows a state in which the automatic closing valve 11 is housed and fixed in the lower housing 21a.

46 shows an upper housing 21b in which the other portion is surrounded by a side wall 27 while leaving the surface through which both the leg portions 15a and 15b of the plate-like member 15 of the movable member B are inserted, and the bottom surface is opened. A cylindrical guide portion 29 through which the extraction nozzle 41 can be inserted is provided in the upper substrate portion 28.
FIG. 47 shows a state where the upper housing 21b is fitted to the outside of the lower housing 21a and the automatic shut-off valve 11 is housed and fixed.

In FIG. 48, both the branched leg portions 15 a and 15 b of the movable member B are protruded from the side wall 24 of the housing 21 to attach a push button 31, and a locking lever 32 is arranged along the push button 31 on the housing 21. Shows the stage of installation.
That is, the locking lever 32 disposed on the housing 21 is provided with a cylindrical fixing portion corresponding to the cylindrical guide portion 29 through which the dispensing nozzle 41 formed on the upper surface of the upper housing 21b can be inserted. The engaging hook 35 is provided in a hanging piece 34 that extends from the cylindrical fixing portion 33 and is engaged with a recessed groove 27a provided in the side wall 27 on the opposite side of the upper housing 21b. By being combined, it is fixed to the housing 21.
FIG. 49 shows a state where the locking lever 32 is mounted on the upper housing 21b.

50 to 57 show how to assemble the above-mentioned members, and FIGS. 58 to 62 show the operation thereof.
First, each member is arranged as shown in FIG. From above, a locking lever 32, an upper housing 21b, a dispensing nozzle 41 made of a tube of a desired length, an automatic shut-off valve 11, a lower housing 21a and a flanged inner cylinder 36 are provided.
Then, as shown in FIG. 51, while pushing the push button 31, the space between the slits 14 and 16 of the automatic shut-off valve 11 is expanded and the dispensing nozzle 41 is inserted.
Next, as shown in FIG. 52, the automatic shut-off valve 11 is assembled to the lower housing 21a.
Further, as shown in FIG. 53, a flanged inner cylinder 36 is press-fitted into the tip of the dispensing nozzle 41, and as shown in FIG. 54, the inner cylinder 36 is inserted into the cylindrical guide portion 22 of the lower housing 21a and fixed. To do.

FIG. 55 shows a state in which the automatic shut-off valve 11 returns to a normal state. When the load applied to the push button 31 is released, the movable member B is pulled toward the fixed member A by the elastic ring 19, so that the slit The pouring nozzle 41 inserted through 14 and 16 is crushed to be flat and closed.
Finally, as shown in FIG. 56, the cylindrical fixing portion 33 of the locking lever 32 is fitted into the cylindrical guide portion 29 of the upper housing 21b and is extended vertically from the cylindrical fixing portion 33. The locking hook 35 provided on the upper housing 21b is fixed to the housing 21 by engaging with a concave groove 27a provided on the side wall 27 on the opposite side of the upper housing 21b.
FIG. 57 shows a state where the assembly has been completed.

The automatic shut-off valve 11 assembled in the housing 21 in this way can open the dispensing nozzle 41 only by pushing the push button 31 as shown in FIG. 58, and also pushes the push button 31 to the end as shown in FIG. When the push button 31 is pushed in, the engaging portion 32a provided at an appropriate position of the engaging lever 32 is engaged with the concave groove 31a provided on the upper surface of the push button 31, and the push button 31 does not move even if the load applied to the push button 31 is released. It does not move in the opposite direction. Therefore, in the state shown in FIG. 59, the dispensing nozzle 41 is kept open.

The locking lever 32 disposed in the housing 21 is formed of a plastic material or the like and has flexibility, and can be deformed in the arrow direction as shown in FIG.
That is, when the push button 31 is pressed to move the movable member B back to a predetermined position against the load of the elastic ring 19, the locking portion 32 a provided at an appropriate position of the locking lever 32 is a concave groove of the push button 31. When the locking lever 32 is pushed upward as shown in FIG. 60 in the state of being automatically engaged with 31a, the push button 31 is disengaged from the locking portion 32a as shown in FIG. The shut-off valve 11 returns to the normal position shown in FIG.

63 and 64 are for explaining the dripping prevention function in this embodiment. FIG. 63 shows the liquid content P in the state where the pouring nozzle 41 is open, and FIG. 64 shows that the pouring nozzle 41 is closed. The liquid content P in the state is shown.
At that time, the cylindrical guide portion 22 through which the extraction nozzle 41 formed at the lower portion of the housing 21 can be inserted includes an inner cylinder 36 with a flange that engages the extraction nozzle 41 at its end, and FIG. Thus, when the movable member B returns to the normal position and the dispensing nozzle 41 is closed, the liquid content P of the portion becomes an arch shape to prevent the dripping phenomenon. is there.

Thus, the automatic shut-off valve 11 attached to the suspension container 51 can open the dispensing nozzle 41 only by pushing the push button 31 as shown in FIG.
More specifically, the dispensing nozzle 41 can be opened simply by pushing the push button 31 as shown in FIG. 58, and a desired amount of the liquid content P can be dispensed.
As shown in FIG. 59, when the push button 31 is pushed to the end, the lock portion 32a of the lock lever 32 is engaged with the push button 31, and the push button 31 does not move even if the load applied to the push button 31 is released. It does not move in the opposite direction. Therefore, in the state of FIG. 59, the pouring nozzle 41 is kept open, and the liquid content P can be extracted continuously.

In order to end the dispensing of the liquid content P, the automatic closing valve 11 returns to the initial state when the load applied to the push button 31 is released in the state where the push button 31 is pushed as shown in FIG. 41 is closed.
Further, in the state where the locking portion 32a provided at an appropriate position of the locking lever 32 by pushing the push button 31 is in the continuous extraction state of the liquid content P engaged with the push button 31, as shown in FIG. Is pushed upward, the push button 31 is disengaged from the locking portion 32a as shown in FIG. 61, the automatic closing valve 11 returns to the normal position shown in FIG. 62, and the dispensing nozzle 41 is closed. The

Since the automatic closing valve of the suspended container according to the present invention is configured as described above, the push button can be operated with one hand, and the valve can be opened and closed with one touch. If you release your hand, the valve closes instantly, so even if you accidentally slide the container in your hand, the liquid contents will not spill and stain the surroundings.

According to the present invention, known as an example of so-called bag-in-box, for example, as a business transport container, various foods (dairy products, seasoning liquids, alcoholic beverages, edible oils, soft drinks, fruits, etc.), chemicals ( It can be used for photographic processing agents, surfactants, metal processing agents, floor waxes, etc.) and toiletries (shampoos, rinses, liquid detergents, etc.).

Of course, it is needless to say that the present invention can be used for applications other than the above-mentioned applications and for storing contents of 10 liters or less as well as the mainstream of 18 to 20 liters.

DESCRIPTION OF SYMBOLS 11 Automatic shut-off valve 12, 13 Plate-like member 14 Slit 15 Plate-like member 15a, 15b Both leg part 16 Slit 17 Connection part 17a, 17b Insertion groove 18 Hook part 19 Elastic ring 21 Housing 21a Lower housing 21b Upper housing 22 Cylindrical guide part 23 Substrate part 24, 25 Side wall 24a, 24b Storage groove 25a Hook part 27 Side wall 27a Concave groove 28 Substrate part 29 Tubular guide part 31 Push button 31a Concave groove 32 Locking lever 32a Locking part 33 Cylindrical fixing part 34 Fragment 35 Locking hook 36 Flange inner cylinder 41 Outlet nozzle 51 Storage box 52 Inner box 53 Outer box 61 Bottom plate 61a, 61b V-shaped plate 61c, 61d Engaging plate 61e, 61f Folding piece 62, 63 Side plate 62a, 63a Crease 62b, 63b Support pieces 62c, 64c Insertion holes 64, 65 Reinforcing plates 64a, 65a Folds 64b, 65b Support pieces 66, 67 Outer plates 68, 69 Base plates 68a, 69a Folds 68b, 69b Outer vertical plates 68c, 69c Upper base plates 68d, 69d Inner vertical plates 68e, 69e Lower base plates 70 Base 71 Top plate side flaps 71a Step 72 Slit 73 Top plate 81 Suspended container 82 Heat seal 83 Flange part 84 Opening and closing stopper 85 Check valve 86 Outlet nozzle 87 Cap 91 Refill container A Fixed member B Movable member P Liquid content

Claims (3)

A storage box having a pouring nozzle insertion hole in the lower side wall;
An open / close stopper with a built-in check valve at the top, a pouring nozzle attached to the lower end, and a suspension container made of a film material that can be stored in a suspended state in the storage box,
The pouring nozzle attached to the lower end of the suspension container is a bag-in-box withdrawn from the insertion hole and attached with an automatic shut-off valve at its end,
On both sides of the bottom of the storage box, a base is provided to hold the suspended container inclined from the outside to the inside above the insertion hole,
In addition, a V-shaped guide groove that guides the lower end of the suspension container toward the end of the pouring nozzle is formed at the intermediate position.
On the other hand, the upper portion of the storage box, bag-in-box, characterized in that the suspension means for suspending holding the closing plug is provided over the suspension container is provided. The storage box is composed of an inner box and an outer box,
The inner box has a rectangular bottom plate, a pair of opposing side plates integrally formed on both sides of the bottom plate via folds, and a reinforcing plate and an outer plate integrally formed via folds in the width direction of each side plate. And between the pair of side plates are integrally formed on both sides of the bottom plate through folds, and an outer vertical plate, an upper base plate, an inner vertical plate, and a lower base plate are integrally formed in order from the fold side, and the outer vertical plate A base plate for forming a base that is longer than the inner vertical plate and holds the suspension container inclined from the outside to the inside, and a V-shape by making an incision outward from the fold at the substantially central position of the bottom plate. A V-shaped plate that constitutes a guide groove, a support piece formed through a crease at the top of each side plate, and an insertion hole for a dispensing nozzle provided at the bottom of the side plate,
The outer box for storing the inner box includes a pair of opposing top plate side flaps provided with slits for inserting the opening and closing plugs of the suspension container, and a top plate disposed therebetween.
The inner box has side plates raised from both sides of the bottom plate, and a base is formed by folding the base plate between the two side plates in the order of the outer vertical plate, the upper base plate, the inner vertical plate, and the lower base plate. A V-shaped guide groove is formed by placing a V-shaped plate raised from the crease on the base, the reinforcing plates of the both side plates are folded back to the side plate, and the outer plate is folded in the base side. In the box,
The support piece formed on the upper part of each side plate is folded inward, and the top plate side flap of the outer box is engaged and held thereon, and the storage box can be closed with the top plate. A box,
A suspension container pouring nozzle is fitted into the insertion hole and pulled out, and the suspension container is dropped onto the base and the V-shaped guide groove, and a slit of the top plate side flap is inserted into the slit of the suspension container. An opening / closing stopper with a built-in check valve is inserted, the suspension container is suspended at the slit position of the top plate side flap, and an automatic shut-off valve is attached to the dispensing nozzle. The bag-in-box according to claim 1. The bottom plate and a lower base plate constituting a base plate for forming a base integrally formed on both sides of the bottom plate via folds are connected and fixed by assembling slits and engagement pieces formed respectively . The bag-in-box according to claim 2.

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