JP3955139B2 - Composite container - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an inner bag made of a synthetic resin having a cap screwed with a cap into which contents such as liquid can be taken in and out, a lid for holding the inner bag, and a rigid outer container for housing the inner bag It is related with the composite container which consists of.
[0002]
[Prior art]
FIG. 3 is a perspective view of a lid covered with a conventional outer container and an inner bag used for the composite container of the present invention, and FIG. 4 is a partial front view of the inner bag used for the composite container of the present invention. The conventional technology will be described.
[0003]
H is a lid that is covered by an outer container having a rectangular planar shape, and includes a top plate h1, a side wall h2 formed around the top plate h1, and a flange h3 that extends horizontally outward from the upper end of the side wall h2. The outer container is covered by fitting the side wall h2 to the outer container. The top plate h1 has a hole h5 formed with a plurality of tongue pieces h4 around it. On the other hand, a cylindrical plug b2 to which a cap b1 is screwed is attached to the inner bag B accommodated in the outer container by an appropriate means such as welding. A flange b3 having an outer diameter larger than the inner diameter of the hole h5 formed in H is formed. The outer diameter of the neck part b4 located below the collar part b3 is formed to be substantially the same as the inner diameter of the hole h5 formed in the lid H.
[0004]
To attach the inner bag B to the lid H, from the back side of the lid H, a hole b5 formed in the lid H is formed by pushing the plug b2 into which the cap b1 of the inner bag B is screwed so that the tongue piece h4 is expanded. The cap b1 is screwed until the flange b3 formed on the plug b2 passes over the tongue piece h4 and the tongue piece h4 is positioned at the neck b4 of the plug b2 located below the flange b3. The combined stopper b2 is inserted into the hole h5 formed in the lid H. Thus, the tongue piece h4 formed around the hole h5 of the top plate h1 is positioned below the flange b3 of the stopper b2, and the flange b3 of the stopper b2 is held by the tongue piece h4. The inner bag B is attached to the lid H.
[0005]
[Problems to be solved by the invention]
In the conventional composite container described above, the stopper b2 is inserted into the hole h5 formed in the lid H so as to push the tongue piece h4 open, and the flange b3 formed in the stopper b2 attaches the tongue piece h4. Since the inner bag B is attached to the lid H so that the tongue piece h4 is positioned at the neck b4 of the plug b2 positioned below the flange b3, the lower surface of the flange b3 There is a problem that the length of the neck b4 from b3 ′ to the base b2 ′ of the plug b2 has to be increased, and therefore the height of the plug b2 is increased.
[0006]
Further, since the stopper b2 is merely held by the tongue piece h4 formed around the hole h5, the stopper b2 is easily removed from the hole h5, and therefore the inner bag B is detached from the lid H. There is a problem.
[0007]
Furthermore, since the conventional composite container described above inserts the stopper b2 into the hole h5 formed in the lid H so as to expand the tongue piece h4, the lid H is repeatedly used. In addition, there is a problem that the tongue h4 is damaged.
[0008]
The objective of this invention is providing the composite container which improved the workability | operativity of the attachment operation | work of the inner bag to a cover while solving the subject which the conventional composite containers as mentioned above have.
[0009]
[Means for Solving the Problems]
In order to achieve the above-mentioned object, the present invention has a collar part and a neck part located below the collar part and having an outer diameter smaller than the outer diameter of the collar part, and a cap is screwed together. In a composite container comprising an inner bag made of a synthetic resin having a stopper, a lid for holding the inner bag, and a rigid outer container for storing the inner bag , first, the outer portion of the neck of the stopper A rotation engagement piece having a substantially semicircular recess having a diameter larger than the diameter and smaller than the outer diameter of the flange portion, formed at a substantially central portion of the tip side thereof, and the tip of the rotation engagement piece A tongue piece having a substantially semicircular recess having a diameter larger than the outer diameter of the neck of the stopper and smaller than the outer diameter of the flange, approaching the recess formed on the side, The stopper is formed by a recess formed in the rotating engagement piece and a recess formed in the tongue piece. A hole is formed so that the neck located below the collar can pass through. After turning the turning engagement piece upward, the turning engagement piece is turned upward. A plug into which the cap of the inner bag is screwed is inserted from the back side of the lid into the substantially square hole formed by the operation, and the neck of the plug is inserted into the recess of the rotating engagement piece. After that, the neck of the stopper is inserted into the hole formed by the recess of the tongue piece and the recess of the rotation engagement piece by rotating the rotation engagement piece downward. a is obtained by configuration, the second, the on the surface located on both sides of the recess of the rotation engagement piece and the back, a locking claw which extends beyond the distal end side of the rotation engagement piece a locking pawl formed on the locking pawl and the back, which is formed on the surface, so as not to contact with each other, were also placed laterally offset It is.
[0010]
【Example】
Examples of the present invention will be described below. However, the present invention is not limited to these examples as long as the gist of the present invention is not exceeded. In the composite container of the present invention, the inner bag shown in FIGS. 3 and 4 was used. Moreover, regarding the lid, the same reference numerals are used for the components common to the above-described conventional lid.
[0011]
Similar to the conventional lid described above, the lid H has a square shape in plan view, and extends horizontally from the top plate h1, the side wall h2 formed around the top plate h1, and the upper end of the side wall h2. It has a flange h3 and is configured to cover the outer container by fitting the side wall h2 to the outer container.
[0012]
The top plate h1 is formed with a slit h6 having a substantially U-shaped planar shape. A thin wall portion h7 is formed on the back surface of the top plate h1 along a line h6 ′ connecting both ends of the slit h6. Therefore, a portion surrounded by the slit h6 and the thin wall portion h7 (hereinafter, this portion is referred to as “thickness portion”). The h8 is configured to be rotatable around a thin portion h7 that functions as a kind of hinge. The substantially rectangular hole h9 formed when the rotation engaging piece h8 is rotated about the thin portion h7 has a size that allows the plug b2 into which the cap b1 is screwed to pass. Is formed. Further, at the substantially central portion of the tip side h8 ′ of the rotating engagement piece h8, it is larger than the outer diameter of the neck b4 of the stopper b2 positioned below the flange b3 of the inner bag B, and outside the flange b3. A substantially semicircular recess h10 having a diameter smaller than the diameter is formed. Further, locking claws h11 and h11 ′ extending beyond the front end side h8 ′ are formed on the front and back surfaces of the top plate h1 on both sides of the recess h10 on the front end side h8 ′ of the rotating engagement piece h8. . The locking claws h11 and h11 ′ formed on the front and back surfaces of the top plate h1 come into contact with the other locking claws h11 and h11 ′ when one of the locking claws h11 and h11 ′ is curved. So as not to be laterally displaced.
[0013]
The top plate h1 approaches the substantially semicircular recess h10 formed at the tip side h8 ′ of the rotating engagement piece h8, and is larger than the outer diameter of the neck portion b4 and larger than the outer diameter of the collar portion b3. A substantially semicircular recess h12 having a small diameter is formed. A hole into which the neck b4 positioned below the flange b3 of the plug b2 can be inserted by the substantially semicircular recess h12 and the substantially semicircular recess h10 formed in the rotating engagement piece h8. h13 is formed. A slit h14 extends from both ends of the substantially semicircular recess h12 so that the tongue piece h15 located between the slits h14 can be elastically deformed.
[0014]
In order to attach the inner bag B to the lid H, first of all, the turning engagement piece h8 is turned upward about the thin wall portion h7 so that the plug b2 into which the cap b1 is screwed can pass. A hole h9 having a thickness is formed, and a plug b2 into which the cap b1 of the inner bag B is screwed is inserted into the hole h9 from the back side of the lid H. Next, as shown in FIG. 2, the neck b4 positioned below the flange b3 formed in the stopper b2 is inserted into the substantially semicircular recess h10 of the rotation engaging piece h8, and rotated. The neck b4 is hooked on the engagement piece h8. Thereafter, the turning engagement piece h8 is turned downward, and the neck b4 of the stopper b2 is formed by the recess h12 formed in the tongue piece h15 and the recess h10 formed in the turning engagement piece h8. Insert into hole h13. Further, as the rotation engagement piece h8 rotates downward, the locking claws h11 and h11 ′ formed on both sides of the recess h10 on the tip side h8 ′ of the rotation engagement piece h8 are provided on the tongue piece h15. Since the top plate h1 positioned on both sides of the recess h12 formed at the tip is sandwiched, the rotation engagement piece h8 does not easily move with respect to the top plate h1. .
[0015]
As described above, the neck b4 positioned below the flange b3 formed on the stopper b2 is formed on the substantially semicircular recess h12 formed on the tip of the tongue piece h15 and the rotational engagement piece h8. The inner bag B can be easily and quickly held on the lid H because it is inserted into the hole h13 formed by the formed substantially semicircular recess h10. In addition, since the process of removing the inner bag B from the cover H should just perform the reverse operation | work, the description is abbreviate | omitted.
[0016]
As described above, the rotation engaging piece h8 is rotated upward to form the hole h9, and the stopper b2 into which the cap b1 of the inner bag B is screwed is inserted into the hole h9. The neck b4 of the plug b2 is inserted into the concave part h10 of the joint piece h8, and then the rotational engagement piece h8 is rotated downward, so that the neck b4 of the plug b2 and the concave part h12 formed in the tongue piece h15 Since it is configured to be inserted into the hole h13 formed by the recess h10 formed in the rotation engagement piece h8, the bottom b2 ′ of the stopper b2 is connected to the base b2 ′ of the stopper b2 like the conventional composite container. Therefore, it is not necessary to increase the length of the neck b4, so that the height of the stopper b2 can be reduced.
[0017]
In the embodiment described above, when the inner bag B is attached to the lid H, first, the turning engagement piece h8 is turned upward about the thin portion h7, and the cap b1 is screwed. A hole h9 having a size through which the stopper b2 can pass is formed, and the stopper b2 into which the cap b1 of the inner bag B is screwed is inserted into the hole h9 from the back side of the lid H, and then rotationally engaged. A neck part b4 positioned below the collar part b3 formed in the stopper b2 is inserted into the substantially semicircular concave part h10 of the piece h8, and the neck part b4 is hooked on the turning engagement piece h8, and then the turning engagement. The piece h8 is rotated downward so that the neck b4 of the plug b2 is inserted into the hole h13 formed by the recess h12 formed in the tongue piece h15 and the recess h10 formed in the rotation engagement piece h8. In this example, the rotating engagement piece h8 is rotated downward about the thin part h7. Then, a hole h9 having a size through which the plug b2 into which the cap b1 is screwed can pass is formed, and the plug b2 into which the cap b1 of the inner bag B is screwed is inserted into the hole h9 from the back side of the lid H. Then, the neck b4 positioned below the flange b3 formed in the stopper b2 is inserted into the substantially semicircular recess h10 of the rotation engagement piece h8, and the neck b4 is inserted into the rotation engagement piece h8. Then, the rotation engaging piece h8 is rotated upward, and the neck b4 of the stopper b2 is moved by the recess h12 formed on the tongue piece h15 and the recess h10 formed on the rotation engagement piece h8. It can also comprise so that it may insert in the hole h13 formed.
[0018]
【The invention's effect】
Since this invention has the structure demonstrated above, there exists an effect described below.
[0019]
Unlike conventional composite containers, it is not necessary to increase the length of the neck from the bottom surface of the heel to the base of the plug, so that the height of the plug can be reduced and the inner bag to the lid can be configured. The attachment can be performed quickly and reliably, and the durability of the lid is improved. Further, since the stopper is held by the rotating engagement piece and the tongue piece, it is possible to prevent the inner bag from being easily detached from the lid.
[0020]
Since the top plate is clamped by the locking claw formed on the rotation engagement piece, the rotation engagement piece is not easily moved with respect to the top plate. In addition, the inner bag can be reliably held.
[Brief description of the drawings]
FIG. 1 is a perspective view of a lid of a composite container of the present invention.
FIG. 2 is a partial perspective view of the lid of the composite container of the present invention.
FIG. 3 is a perspective view of a lid covered by a conventional outer container and an inner bag used for the composite container of the present invention.
FIG. 4 is a partial front view of an inner bag used in the composite container of the present invention.
[Explanation of symbols]
B ... inner bag H ... lid b2 ... stopper b3 ... collar h1 ... top plate h8 ·········· Rotating engagement pieces h10, h12 ··· concave

Claims (2)

A synthetic resin inner bag having a collar and a neck positioned below the collar and having an outer diameter smaller than the outer diameter of the collar, and having a cap screwed into the cap; and In a composite container comprising a lid for holding the inner bag and a rigid outer container for housing the inner bag , the half of the stopper has a diameter larger than the outer diameter of the neck and smaller than the outer diameter of the collar. A circular recess has a rotating engagement piece formed at a substantially central portion of the distal end side thereof, and an outer diameter of the neck portion of the stopper approaching the recessed portion formed at the distal end side of the rotation engaging piece. A tongue piece having a substantially semicircular recess having a larger diameter than the outer diameter of the flange is formed on the top plate of the lid and formed on the rotating engagement piece. The recessed portion formed in the tongue piece and the recessed portion formed in the tongue piece form a hole through which the neck portion located below the collar portion of the stopper can pass. The rear side of the lid is formed in a substantially rectangular hole formed by rotating the rotary engagement piece upward and then rotating the rotary engagement piece upward. Then, the stopper in which the cap of the inner bag is screwed is inserted, the neck of the stopper is inserted into the recess of the rotating engagement piece, and then the rotating engagement piece is rotated downward. it allows composite container neck of the closure, characterized in that it is configured to so that is inserted into the hole formed by the recesses of the recess and the pivot engaging piece of the tongue. Locking claws extending beyond the tip side of the rotating engagement piece are formed on the front surface and the back surface located on both sides of the concave portion of the rotating engagement piece. The composite container according to claim 1, wherein the formed locking claws are arranged so as to be shifted in the lateral direction so as not to contact each other .

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