JP2013028397A - Inner plug and container - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an inner plug and a container circulatable without a cap and openable by a simple operation.SOLUTION: The inner plug 7 includes a base 13 held at the mouth end 3b of a container body 5 and forming an opening h2 communicating with an opening h1 of a mouth 3, a bottom wall 15 closing the opening h2 and a press-in portion 19 having a cylindrical wall 17 upwardly extended from the bottom wall 15 and an upper end thereof opened, and a connection portion 21 integrally connecting a periphery edge of the opening h2 to a periphery edge of the bottom wall 15 while opening the opening h2 by being broken by the press-in of the press-in portion 19. Through-holes 35, 37 are formed at the cylindrical wall 17 which form spouting paths of a content leading to the outside through a storing space S by making the storing space S communicate with an inside space of the cylindrical wall 17 in a state that the press-in portion 19 is pressed in.

Description

  According to the present invention, an inner plug used to be attached to the mouth portion of a container main body which forms a content storage space on the inner side and has a mouth portion standing at an upper end portion, and the inner plug are attached to the mouth portion. Related to the container.

  Containers that contain contents such as cosmetic liquids and chemicals are generally fitted with an internal stopper that allows the appropriate amount of content to be dispensed into the mouth. In order to guarantee the virginity of the contents until the use is started, a sheet-like virgin seal that closes the pouring hole is pasted on the upper end surface (see, for example, Patent Document 1). ).

Japanese Utility Model Publication No. 1-61046

  However, with conventional inner plugs, if the virgin seal is exposed to the outside, there is a risk that it will easily peel off during the distribution process, etc., so a cap that covers the inner plug is attached to the mouth of the container during the distribution process. It was necessary to keep. In particular, in recent years, there has been an increase in usage forms in which a container equipped with an inner stopper is used as a refill container, and the contents are transferred to another container and the other container is reused. It is also used to store the remaining contents after refilling, but when the refilling container becomes empty, it can be reused as a cap for the next refilling container. Nevertheless, it is useless to attach a cap to each refill container in order to prevent peeling of the virgin seal during the distribution process, which is not preferable from the viewpoint of resource saving and environmental protection.

  Therefore, an object of the present invention is to propose an inner plug that can be distributed without a cap and can be opened by a simple operation.

  The present invention has been made in order to solve the above-described problems, and the inner plug of the present invention has a container main body in which a storage space for contents is formed on the inner side and a mouth is erected at the upper end. An inner plug used by being mounted on the base, the inner plug being held at the protruding end of the mouth and forming an opening communicating with the opening of the mouth, and closing the opening of the base A pressing wall having a bottom wall and a cylindrical wall extending upward from the bottom wall and having an open upper end; and a peripheral edge of the opening of the base portion and a peripheral edge of the bottom wall, and the pressing portion A connecting portion for breaking the base portion closed by the bottom wall and opening the opening of the base portion, and the accommodating space and the cylinder in a state in which the pushing portion is pushed into the cylindrical wall. Is it a containment space communicating with the inner space of the wall It is characterized in that a through hole for forming the pouring path of the contents of communication with the outside world.

  In the inner plug of the present invention, the engaging portion that engages with the corresponding wall surface of the base portion and maintains the state in a state in which the pushing portion is pushed into the outer wall surface of the cylindrical wall. Is preferably provided.

  Further, in the inner plug of the present invention, it is preferable that the connecting portion is constituted by a thin portion.

  Further, in the inner plug of the present invention, a convex portion is provided at the upper end of the cylindrical wall to abut against the upper surface of the base portion when the push-in portion is pushed in to prevent the push-out portion from falling into the accommodation space. Is preferably provided.

  In addition, the container of the present invention is a container formed by mounting the above-described inner cap on the mouth portion of a container body that forms an accommodation space for contents inside and has a mouth portion standing on the upper end portion, The container includes a cap that is attached to the mouth portion and seals the accommodation space in the container body, and the pushing portion of the inner plug is pushed by tightening the cap to break the connecting portion.

  In the inner plug of the present invention, the contents are filled in the internal storage space, and the inner plug is plugged into the mouth portion of the container body. Since the periphery of the opening is connected by the connecting portion and the inside of the container body is sealed, the container with the inner stopper can be circulated in this state. When opening the inner plug, by pushing the pushing portion of the inner plug, the pushing portion is pushed inside the base portion and the connecting portion connecting the pushing portion and the base portion is broken, and the bottom portion of the base portion is broken. The opening closed by the wall is opened. Thereby, the pouring path | route of the content continuing from the storage space to the through-hole of a cylinder wall and the inner space of a cylinder wall is formed. In this state, the contents in the container body are poured out to the outside through such a pouring path by tilting the container with the inner stopper.

  Therefore, according to the inner plug of the present invention, the inner plug can be opened only by a simple operation of pushing the pushing portion into the base portion. Further, according to the present invention, since the inside of the container body can be sealed and the container with the inner stopper can be circulated without using the cap, the cap that can be attached to the container with the inner stopper is provided. Can be reused for the next container with a stopper. Even when the container with a plug is used as a refill container (a container that contains the contents for refill), if the container body is emptied by refilling the contents into another container, the cap Can be reused for new refill containers filled with contents.

  Furthermore, when the push-in portion of the inner plug is pushed in by tightening the cap, hands are not directly touched to the inner plug, so that the generation of bacteria can be prevented and it is hygienic.

  Further, when an engaging portion is provided that engages with a corresponding wall surface of the base portion and maintains the state in a state where the pushing portion is pushed in, the pushing is performed when the container is tilted and the contents are poured out. It is possible to prevent the part from jumping out of the base part and falling off.

It is a front view which shows a part of container which mounts the inner stopper of one Embodiment according to this invention in the opening part of a container main body. It is sectional drawing which follows the AA line of FIG. It is sectional drawing which shows the state which pushed the pushing part of the inner stopper into the inner side of the base part by tightening a cap about the container shown in FIG. It is sectional drawing which shows a mode that a cap is removed about the container shown in FIG. 1, and a container is inclined and content is poured out.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. In the drawing, reference numeral 1 indicates a container with an inner stopper formed by mounting the inner stopper of one embodiment on the mouth of the container body, and reference numeral X indicates the axial direction of the container. In the present specification, “upper” or “upper” refers to a direction from the bottom to the mouth as viewed in the axial direction of the container.

  As shown in FIGS. 1 and 2, the container 1 includes a container main body 5 that forms an accommodation space S (see FIG. 2) for contents inside and has an opening 3 at the upper end, and the container main body 5. An inner plug 7 attached to the mouth 3 is provided.

  Here, the container body 5 has a body part 11 that erects the mouth part 3 via a shoulder part 9 and a bottom part (not shown) that closes the lower end of the body part 11, and an outer wall surface of the mouth part 3. Is formed with a screw 3a.

  The inner plug 7 is held by the protruding end 3b of the mouth portion 3 and forms an opening h2 that communicates with the opening h1 of the mouth portion 3, a bottom wall 15 that closes the opening h2 of the base portion 13, and the bottom wall. The push-in portion 19 having a cylindrical wall 17 extending upward from 15 and having an open upper end is integrally connected to the peripheral edge of the opening h2 of the base portion 13 and the peripheral edge of the bottom wall 15. And a connecting portion 21 that opens the opening h2 of the base portion 13 closed by the bottom wall 15.

  More specifically, the base portion 13 surrounds the outer wall of the mouth protruding end 3b, and is connected to the outer wall 23 which is fitted to the outer wall by fitting means such as an undercut, and is connected to the upper end of the outer wall 23. The upper wall 25 extending along the upper surface of the mouth protruding end 3b and the inner peripheral wall 27 hanging from the inner peripheral edge of the upper wall 25 and fitting into the inner wall of the mouth 3 are provided. The mouth protrusion 3 b is inserted into and fitted into an annular groove formed by the wall 23, the upper wall 25, and the inner peripheral wall 27, and is held by the mouth 3. Further, the upper wall 25 has a thin wall portion 25a radially outward and a thick wall portion 25b radially inward of the thin wall portion 25a, and an opening h2 of the base portion 13 of the thick wall portion 25b. Is formed with an annular protrusion 31 that forms a step 29 inward with respect to the inner peripheral wall 27.

  The cylindrical wall 17 of the push-in portion 19 includes a small-diameter cylindrical portion 17a having a diameter smaller than the inner diameter of the inner peripheral wall 27 of the base portion 13, and a diameter larger than that of the small-diameter cylindrical portion 17a disposed above the small-diameter cylindrical portion 17a. The thick wall portion 25b of the portion 13 has a large diameter cylindrical portion 17b having substantially the same diameter as that of the thick wall portion 25b, and an undercut is formed between the small diameter cylindrical portion 17a and the large diameter cylindrical portion 17b. An engaging portion 33 is formed. Therefore, in a state where the pushing portion 19 is pushed (the pushing portion 19 is inserted into the opening h2 of the base portion 13), the engaging portion 33 is engaged with the step 29 of the base portion 13 and the state is maintained. At the same time, an annular gap is formed between the inner peripheral wall 27 and the small-diameter cylindrical portion 17a so as to constitute a part of the content extraction path.

  Further, the small-diameter cylindrical portion 17a of the cylindrical wall 17 is poured out of the contents that communicate with the accommodating space S and the inner space of the cylindrical wall 17 in a state in which the push-in portion 19 is pushed in and communicate from the accommodating space S to the outside. At least one (two here) through-holes 35 and 37 forming a path are formed.

  Further, in this embodiment, the upper end of the cylindrical wall 17 is brought into contact with the upper surface of the base portion 13 (the upper surface of the upper wall 25) when the pressing portion 19 is pressed to prevent the pressing portion 19 from falling into the accommodation space S. Protruding portions 39 are provided. The convex portion 39 is annular in this example, but is not limited to this, and may be one or a plurality of independent convex portions 39.

  The connecting portion 21 is composed of an annular thin portion having a thickness smaller than that of the portion adjacent to the connecting portion 21, and the thickness of the thin portion can be broken when the pushing portion 19 is pushed. It is preferable to have a strength that does not cause breakage due to an external impact, etc. Further, the thickness of the push portion 19 is such that the push portion 19 is broken when the cap 40 is tightened to be described later. Is more preferable.

  As shown in FIG. 3, the cap 40 is attached to the mouth 3 of the container main body 5 to seal the accommodation space S in the container main body 5. In this embodiment, the cap 40 has an upside down cup-shaped exterior body 42. A double structure is formed with the interior body 44 fitted inside the exterior body 42, and the inner peripheral wall of the recess 46 formed in the interior body 44 is fitted with a screw 3 a formed on the outer wall of the mouth of the container body 5. A mating screw 46a is formed. In addition, a disk-shaped seal 48 is provided on the ceiling portion of the recess 46, so that when the cap 40 is tightened into the mouth 3 of the container body 5, the seal 48 is poured out of the inner plug 7. The opening (opening h2 of the base portion 13) is sealed.

  In the container 1 having such a configuration, when the contents are filled in the internal storage space S shown in FIG. 2 and the inner plug 7 is plugged into the mouth 3 of the container body 5, the inner plug 7, the bottom wall 15 of the push-in part 19 and the peripheral edge of the opening h2 of the base part 13 are connected by the connecting part 21 and the inside of the container body 5 is sealed, so that the container 1 can be circulated in this state. it can. When opening the inner plug 7, as shown in FIG. 3, the pushing portion 19 is pushed inside the base portion 13 by tightening the cap 40 into the mouth portion 3 of the container body 5 and the pushing portion of the inner plug 7. The connecting part 21 connecting the base 19 and the base part 13 is broken, and the opening h2 of the base part 13 closed by the bottom wall 15 is opened. Thereby, the pouring path | route of the content which continues from the storage space S to the through-holes 35 and 37 of the cylinder wall 17, and the inner space of the cylinder wall 17 is formed. In this state, as shown in FIG. 4, when the container 1 is tilted, the contents in the container main body 5 are poured out to the outside through the pouring path.

  Therefore, according to the container 1 to which the inner plug 7 of this embodiment is mounted, the inner plug 7 can be opened only by a simple operation of pushing the pushing portion 19 of the inner plug 7 into the base portion 13. This also has the advantage that when the container 1 is used as a refill container, other containers to which the contents for refill are transferred are not limited. That is, for example, as disclosed in Japanese Utility Model Laid-Open No. 5-71152, when the sheet layer is easily removed with respect to a container in which the mouth of the container is closed with a sheet layer, the contents are transferred to the container to which the contents are transferred. It is necessary to provide a cutting blade for the sheet layer, and it becomes impossible to attach a pump or the like to the container to which the cutting blade moves and becomes a hindrance. The inner plug 7 can be opened simply by pushing the push-in portion 19, and it is not necessary to provide means for opening the inner plug 7 in the container to which it is transferred.

  Further, according to the inner plug 7, since the container body 5 can be sealed and distributed without using the cap 40, the cap 40 that can be attached to the container 1 with the inner plug is attached to Can be reused in a container 1 with a stopper. Even when the container 1 with the inner plug is used as a refill container (a container for storing the contents for refill), if the container body 5 is emptied by refilling the contents into another container The cap 40 can be reused for the new refill container 1 filled with the contents. That is, a cap 40 that can be attached to the container 1 or a cap that is used in a normal container (a container in which refilling is performed) can be used for the container 1.

  Furthermore, when the push-in portion 19 of the inner plug 7 is pushed in by tightening the cap 40, the hands are not directly touched to the inner plug 7, so that the generation of bacteria can be prevented and is hygienic.

  Furthermore, according to the inner plug 7 of this embodiment, the engaging portion 33 is provided that engages with the corresponding wall surface (step 29) of the base portion 13 in a state where the pushing portion 19 is pushed and maintains this state. Therefore, it is possible to prevent the push-in portion 19 from jumping out of the base portion 13 and dropping off when the contents are poured out by tilting the container.

  Thus, according to the present invention, it is possible to propose an inner plug and a container that can be distributed without a cap and can be opened by a simple operation.

DESCRIPTION OF SYMBOLS 1 Container 3 mouth part 3b Protrusion end of 5 part of container 5 Container main body 7 Inner plug 13 Base part 15 Bottom wall 17 Cylinder wall 19 Push-in part 21 Connection part 33 Engagement part 35,37 Through-hole 39 Protrusion part 40 Cap

Claims (5)

It is an inner plug that is used by being attached to the mouth portion of the container body that forms an accommodation space for contents on the inside and has a mouth portion standing on the upper end portion,
The inner plug is held at the protruding end of the mouth and forms an opening that communicates with the opening of the mouth, a bottom wall that closes the opening of the base, and extends upward from the bottom wall. The pushing portion having a cylindrical wall with an open upper end and the peripheral edge of the opening of the base portion and the peripheral edge of the bottom wall are integrally connected, and are broken by the pushing of the pushing portion and closed by the bottom wall. A connecting portion for opening the opening of the base portion,
The cylindrical wall is provided with a through-hole that forms a pouring path for the contents that communicates between the accommodating space and the inner space of the cylindrical wall in a state in which the pushing portion is pushed in and communicates from the accommodating space to the outside. An inside plug characterized by that.   The inner plug according to claim 1, wherein an engagement portion is provided on an outer wall surface of the cylindrical wall to engage with a corresponding wall surface of the base portion in a state in which the pushing portion is pushed in and maintain the state. .   The inside plug according to claim 1 or 2, wherein the connecting portion is formed of a thin portion.   The convex part which contact | abuts to the upper surface of the said base part at the upper end of the said cylinder wall, and prevents the pushing-in part falling in the said accommodation space at the time of pushing-in is provided. Inner plug according to one item. A container formed by attaching the inner plug according to any one of claims 1 to 4 to the mouth portion of a container body that forms an accommodation space for contents inside and has a mouth portion standing at an upper end portion. Yes,
The container includes a cap that is attached to the mouth and seals the accommodation space in the container body, and the pushing portion of the inner plug is pushed by tightening the cap to break the connecting portion.

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