JP6509044B2 - Double container - Google Patents

Description

  The present invention relates to a double container provided with an inner container and an outer container for refilling, and in particular, it is intended to facilitate the replacement of the inner container and to improve the degree of freedom in the external design of the container. .

  Conventionally, a double container provided with an inner container for refilling contents and an outer container is known as a container for containing contents such as cream. In such a double container, when replacing the inner container, it is necessary to remove the inner container from the outer container, but as a procedure for its removal, for example, the inner container is picked up and pushed up to the bottom of the outer container body It is conceivable to provide a through hole for the purpose, to use a coin or the like to open it. Further, for example, in Patent Document 1, the inner container is provided with a pressing portion that can be rotated by pressing operation, and the outer container is provided with a notch that exposes the pressing portion, and the engaging portion can be engaged. A stop is provided.

JP, 2010-195484, A

  However, in the case of adopting the removal procedure of the inner container as described above, a relatively large force is required to remove the inner container, and the appearance design of the container is required to provide a through hole or a notch. There is a problem of causing restrictions. In addition, it is also desirable that the points of exchange be easy to understand, particularly for the elderly.

  Therefore, an object of the present invention is to provide a double container capable of facilitating the replacement of the inner container and improving the freedom of the external appearance design of the container.

The present invention is made to solve the above problems, and the double container of the present invention comprises an inner container for refill provided with a bottomed cylindrical content storage portion, and a bottomed cylindrical inner container storage portion And an intermediate member disposed between the inner container and the outer container.
The intermediate member is continuous with a cylindrical wall disposed inside the side wall portion of the outer container so as to be vertically movable relative to the outer container, and a hinge portion provided at the lower end of the cylindrical wall. And at least one push-up piece extending in a curved manner above the bottom wall of the outer container,
When replacing the inner container, the push-up piece abuts against the bottom wall of the outer container by pressing down the cylindrical wall with respect to the outer container, and rotates inward around the hinge part as a fulcrum. The tip portion of the push-up piece pushes up the bottom surface of the inner container to move the inner container upward.

  In the double container of the present invention, when the inner container is inserted into the inside of the intermediate member, the inner container is fitted between the intermediate member and the inner container. It is preferable that a fitting portion that prevents the removal of the connector is provided.

  Further, in the double container of the present invention, it is preferable that the intermediate member has a plurality of the push-up pieces arranged at intervals in the circumferential direction of the cylindrical wall.

  In the double container of the present invention, it is preferable that a fitting and holding portion that prevents the intermediate member from being detached is provided between the outer container and the intermediate member.

  According to the present invention, when replacing the inner container, the inner container is moved upward simply by pushing down the cylindrical wall of the intermediate member provided between the outer container and the inner container, so the inner container can be moved with a relatively small force. Can be easily removed. Moreover, in order to remove the inner container, it is not necessary to provide the outer container with a through hole or a notch for pressing the inner container.

  Therefore, according to the present invention, it is possible to provide a double container capable of facilitating the replacement of the inner container and improving the freedom of external appearance design of the container.

It is a partial cross section side view of the double container concerning one embodiment of the present invention, and shows the state where the contents are used up. Figure 2 is a side view, partly in section, of a new inner container for the double container of Figure 1, with the inner container cap attached; (A) is a top view which shows the state which removed the outer container cap and inner container in the double container of FIG. 1, (b) shows the state which removed the outer container cap in the double container of FIG. It is a partial cross section side view. It is a partial cross section side view for demonstrating the exchange procedure of the inner container in the double container of FIG. 1, (a) shows the state which pushed down the intermediate member from the state of FIG.3 (b), (b) The state which pulled up the inner container further from the state of (a) is shown. It is a partial cross section side view for demonstrating the exchange procedure of the inner container in the double container of FIG. 1, (a) is a new inner container of FIG. 2 in an outer container from the state of FIG.4 (b). The inserted state is shown, and (b) shows the state in which the insertion of a new inner container is completed.

  Hereinafter, the double container 1 according to the embodiment of the present invention will be illustrated and described in detail with reference to FIGS. 1 to 5. In the present specification, the vertical direction means the direction along the central axis O of the inner container 10 and the outer container 20, and the upper side is the side where the opening 12 of the content storage portion 11 of the inner container 10 is located. The lower side (for example, the upper side in FIG. 1) means the side on which the bottom wall portion 14 of the content storage portion 11 is located (e.g., the lower side in FIG. 1). In FIGS. 3B, 4A and 4B, and FIGS. 5A and 5B, the left half shows the direction in which the engagement piece 35 of the intermediate member 30 described later is provided. The right half of the drawing shows a cross-sectional view cut along a cross section passing through the center of the engagement piece 35. FIG.

  As shown in FIG. 1, the double container 1 according to the present embodiment includes an inner container 10 for refill, an outer container 20, an intermediate member 30, and an outer container cap 40.

  The inner container 10 is provided with a bottomed cylindrical content storage unit 11 centered on the axis O. That is, the content storage portion 11 forms the opening 12 at the top thereof, and has the peripheral wall 13 and the bottom wall 14. An annular outward convex portion 15 (fitting portion) is provided on the outer peripheral surface upper portion of the peripheral wall portion 13. Further, at the upper end portion of the peripheral wall portion 13, an annular flange portion 16 extending outward in the radial direction is provided.

  Further, in the unused state of the inner container 10, as shown in FIG. 2, the opening 12 of the content storage portion 11 is closed by mounting the inner container cap 50, and the content C such as cream Quality is to be maintained. The inner container cap 50 includes a disk-like top wall 51 and a cylindrical outer wall 52 depending from the outer edge of the top wall 51. Further, the inner container cap 50 is provided with a sealing cylinder 53 which hangs down from the lower surface of the top wall 51 inside the outer wall 52 and abuts on the inner surface of the peripheral wall 13. On the inner surface of the outer wall portion 52, an annular convex portion 54 fitted to the flange portion 16 of the inner container 10 is provided. Further, at the lower end portion of the outer wall portion 52, a flange 55 extending outward is provided. In addition, the configuration of the inner container cap 50 is not particularly limited, and it is preferable to use a cap of any structure as long as the quality of the contents C such as cream is maintained by closing the opening 12. It is also possible to use a seal member that is peelably attached to the upper surface of the peripheral wall portion 13.

  The outer container 20 is provided with the bottomed cylindrical inner container accommodating part 21 centering on the axis line O which can accommodate the inner container 10, as shown in FIG. That is, the inner container storage portion 21 has an opening 22 at the top, and has a side wall 23 and a bottom wall 24. The upper end portion of the side wall portion 23 is provided with a small diameter port portion 26 provided with a male screw portion 25 on the outer peripheral surface. On the outer peripheral surface of the opening 26, recesses 27 into which an engagement piece 35 of an intermediate member 30 described later is fitted are provided at two positions in an opposing arrangement. In addition, an outward convex portion 28 (fitting holding portion) for fitting the inward convex portion 36 (fitting holding portion) of the engaging piece 35 described later into the concave portion 27 and retaining the intermediate member 30 in a retaining manner. Is provided.

  The intermediate member 30 is disposed between the inner container 10 and the outer container 20, and is mounted to be vertically movable with respect to the outer container 20. The intermediate member 30 has a cylindrical wall 31 disposed inside the side wall 23 of the outer container 20, and a push-up piece 33 connected via a thin hinge portion 32 provided at the lower end of the cylindrical wall 31. . The push-up piece 33 extends downward from the hinge portion 32 and extends radially inward via the inward curving portion 33 a, and the tip portion 33 b is above the bottom wall portion 24 of the outer container 20 and the inner container 10. Is disposed below the bottom wall portion 14 of the

  Here, FIG. 3 (a) is a plan view showing a state in which the outer container cap 40 and the inner container 10 are removed from the double container 1 in the state shown in FIG. As illustrated, the intermediate member 30 of the present embodiment is provided with eight push-up pieces 33 equally spaced apart along the circumferential direction of the cylindrical wall 31. Although at least one push-up piece 33 may be provided, it is preferable that a plurality of push-up pieces 33 be provided in a uniform arrangement in the circumferential direction.

  An annular flange portion 34 extending radially outward is provided at the upper end portion of the cylindrical wall 31. At the outer peripheral edge of the flange portion 34, an engagement piece 35 fitted into the recess 27 is provided in a hanging manner. An inward convex portion 36 is provided on the inner surface of the engagement piece 35. Further, an inward convex portion 37 (fitting portion) fitted to the outward convex portion 15 (fitting portion) is provided on the inner peripheral surface of the upper end portion of the cylindrical wall 31, and the upper surface of the flange portion 34 is provided. An annular recess 38 is provided in which the flange portion 16 of the inner container 10 is disposed.

  As shown in FIG. 1, the outer container cap 40 includes a cylindrical outer wall 41 and a dome-shaped top wall 42 that closes the upper end of the outer wall 41. On the inner peripheral surface of the outer wall portion 41, a female screw portion 43 to be screwed with the male screw portion 25 described above is provided. A disc-like packing 44 is attached to the lower surface of the top wall portion 42, and the annular seal projection 16a formed on the upper surface of the flange portion 16 of the inner container 10 closely contacts the packing 44. , And the content storage unit 11 is sealed. The top wall portion 42 is not limited to a dome shape, and may have any shape such as a planar shape or a concave shape. Moreover, although the packing 44 is assembled by sticking in this embodiment, the present invention is not limited to this, and a convex portion is provided on the inner peripheral surface of the outer wall portion 41 of the outer container cap 40 As long as the packing 44 is assembled so as not to come off, the assembling method can be selected appropriately.

  According to the double container 1 having such a configuration, when the contents C are used up, the inner container 10 can be replaced with a new inner container 10 in the following manner. That is, first, the outer container cap 40 is removed from the state of FIG. 1 to be in the state shown in FIG. 3 (b). Then, as shown in FIG. 4A, when the flange portion 34 of the intermediate member 30 is pushed downward, the cylindrical wall 31 moves downward with respect to the outer container 20, and the push-up piece 33 is the bottom of the outer container 20. It abuts on the upper surface of the wall 24 and pivots inward about the hinge 32 as a fulcrum. As a result, the tip end portion 33b of the push-up piece 33 pushes up the bottom surface of the bottom wall portion 14 of the inner container 10, and the inner container 10 moves upward. At this time, since the fitting between the outward convex portion 15 and the inward convex portion 37 is released, as shown in FIG. 4 (b), the content is simply pulled out by further pulling out the inner container 10 moved upward. The vessel 10 can be removed from the outer container 20 and discarded as it is. After the inner container 10 is removed in this manner, the inner container cap 50 is removed from the new inner container 10 as shown in FIG. 2, and the new inner container 10 is removed as shown in FIG. It is inserted inside the intermediate member 30 in the container 20. When a new inner container 10 is pushed in, the tip end portion 33b of the push-up piece 33 is pushed down by the bottom wall 14 bottom of the inner container 10, and the push-up piece 33 pivots outward about the hinge portion 32 as a fulcrum. Along with this, the intermediate member 30 located at the lower position moves upward and becomes depressible again, and the inner container 10 is replaced by pushing the inner container 10 to the state shown in FIG. Complete. At this time, since the outward convex portion 15 and the inward convex portion 37 ride over each other and fit, it is possible to prevent the inner container 10 from being detached. In the present embodiment, as shown in FIG. 5B, the lower surface of the flange portion 16 of the inner container 10 abuts on the upper surface of the annular recess 38 of the flange portion 34 of the intermediate member 30.

  As described above, the double container 1 according to the present embodiment has the cylindrical wall 31 disposed inside the side wall 23 of the outer container 20 between the inner container 10 for refill and the outer container 20. And an intermediate member 30 having a push-up piece 33 connected to the lower end portion of the cylindrical wall 31 via the hinge portion 32, and only by pushing down the cylindrical wall 31 via the flange portion 34 of the intermediate member 30, The tip portion 33b of the push-up piece 33 pushes up the bottom surface of the bottom wall portion 14 of the inner container 10 from below. Therefore, when replacing the inner container 10, the inner container 10 can be easily removed simply by pressing down the flange portion 34 of the intermediate member 30. Also, after removing the used inner container 10, the installation of the inner container 10 is completed only by pushing the new inner container 10 into the inside of the intermediate member 30, and at the same time, the intermediate member 30 moves to the upper position. Since the button can be pushed down, the operation of pulling up the intermediate member 30 which has been pushed down once is unnecessary.

  In addition, it is not necessary to provide the outer container 20 with a through hole or a notch for pressing the inner container 10 in order to remove the inner container 10. Therefore, according to the present embodiment, it is possible to facilitate the replacement of the inner container 10 and to improve the degree of freedom in the external appearance design of the container.

  Further, in the double container 1 according to the present embodiment, the outward convex portion 15 provided on the inner container 10 and the inward convex portion 37 provided on the intermediate member 30 insert the inner container 10 into the inside of the intermediate member 30. At the same time, the inner container 10 is prevented from falling off in a state in which the outer container cap 40 is removed (the state of FIG. 3B) by a configuration in which the inner container 10 is slipped over and fitted to prevent the inner container 10 from coming off. it can.

Further, in the double container 1 according to the present embodiment, the bottom wall portion 14 of the inner container 10 can be pushed upward straight up by evenly arranging the plurality of push-up pieces 33 in the circumferential direction, and the inner container Removal of 10 becomes easier.
be able to.

  The foregoing merely shows one embodiment of the present invention, and various modifications can be made within the scope of the claims. For example, although it was set as the structure which the outer container 20 and the outer container cap 40 screw-engage in previous embodiment, it is not limited to this, It is also possible to set it as the structure which carries out undercut engagement so that attachment or detachment is possible.

DESCRIPTION OF SYMBOLS 1 double container 10 inner container 11 content accommodating part 12 opening part 13 peripheral wall part 14 bottom wall part 15 outward convex part (fitting part)
DESCRIPTION OF SYMBOLS 16 Flange part 16a Seal protrusion 20 Outer container 21 Inner container storage part 22 Opening part 23 Side wall part 24 Bottom wall part 25 Male thread part 26 Opening 27 Recess 28 Outward convex part (fitting holding part)
Reference Signs List 30 intermediate member 31 cylindrical wall 32 hinge portion 33 push-up piece 33 a curved portion 33 b tip portion 34 flange portion 35 engagement piece 36 inward convex portion (fitting holding portion)
37 Inward convex part (fitting part)
38 annular recess 40 outer container cap 41 outer wall portion 42 top wall portion 43 female screw portion 44 packing 50 inner container cap 51 top wall portion 52 outer wall portion 53 sealing cylinder 54 annular convex portion 55 flange O axis C content

Claims (3)

An inner container for refill having a bottomed cylindrical content storage portion, an outer container having a bottomed cylindrical inner container storage portion, and an intermediate member disposed between the inner container and the outer container Equipped with
The intermediate member is continuous with a cylindrical wall disposed inside the side wall portion of the outer container so as to be vertically movable relative to the outer container, and a hinge portion provided at the lower end of the cylindrical wall. And at least one push-up piece extending in a curved manner above the bottom wall of the outer container,
When replacing the inner container, the push-up piece abuts against the bottom wall of the outer container by pressing down the cylindrical wall with respect to the outer container, and rotates inward around the hinge part as a fulcrum. A tip portion of the push-up piece pushes up the bottom surface of the inner container so that the inner container moves upward ;
The intermediate member is a flange portion extending radially outward from the upper end portion of the cylindrical wall, and an engagement member provided on an outer peripheral edge of the flange portion and fitted in a recess provided on the outer peripheral surface of the opening of the outer container. With a piece,
The inner surface of the engagement piece is characterized by being provided with an inward convex portion which is fitted to an outward convex portion provided in the concave portion to prevent the intermediate member from coming out of the outer container. Double container.   Between the intermediate member and the inner container, there is provided a fitting portion which prevents the inner container from coming off by being fitted over each other when the inner container is inserted inside the intermediate member. The double container according to claim 1. The double container according to claim 1, wherein the intermediate member has a plurality of the push-up pieces spaced apart in the circumferential direction of the cylindrical wall.

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