JP6925744B2 - Refill container - Google Patents

Description

The present disclosure relates to a refill container.

Conventionally, a refill container having an inner container used for the purpose of refilling (replacement) contents such as cream and an outer container for accommodating the inner container is known. Such a refill container has a configuration for making the inner container removable from the outer container. For example, in Patent Document 1, the refill container has a shoulder cover that is rotatably attached to the outer container, and the inner container can be removed from the outer container by rotating the shoulder cover with respect to the outer container. It is configured.

Japanese Unexamined Patent Publication No. 2016-11130

However, in the refill container as described in Patent Document 1, it is necessary to rotate the shoulder cover in order to remove the inner container, and there is room for further improvement in facilitation of operation. In addition, there was room for further improvement in the simplification of the configuration in that a shoulder cover was required.

An object of the present invention is to provide a refill container in which the inner container can be easily removed with a simple structure.

The refill container according to one aspect of the present invention is
An inner container to store the contents and
With an outer container having an outer peripheral wall and an outer bottom wall,
The inner container includes an inner wall having an inner peripheral wall arranged inside the outer peripheral wall, a flange connected to the inner peripheral wall and arranged above the outer peripheral wall, and an inner bottom wall .
One of the inner wall and the outer peripheral wall
An odd number of upper convex portions that are lined up at equal intervals over the entire circumference in the circumferential direction and have a convex shape that can come into contact with the other of the inner wall and the outer peripheral wall in the vertical direction inside the outer edge of the flange.
An odd number of convex portions that are aligned with the odd number of upper convex portions below the odd number of upper convex portions and are aligned in the circumferential direction, and have a convex shape that can be fitted with the other of the inner wall and the outer peripheral wall. possess and the convex portion, the,
The inner bottom wall does not abut on the outer bottom wall with the inner container attached to the outer container, or abuts only at the center of the bottom view.
The number of the fitting protrusions is 3, 5, or 7, and the protrusion height of each fitting protrusion gradually increases toward the center in the circumferential direction .

In the refill container according to the present invention, the odd number of upper convex portions may be provided at the connecting portion between the flange and the inner peripheral wall.

The refill container according to the present invention is
The upper end surface of the outer peripheral wall may be provided with an annular convex portion forming a convex shape over the entire circumference inside the outer edge of the upper end surface.
The odd number of upper convex portions may be in contact with the annular convex portion.

According to the present invention, it is possible to provide a refill container in which the inner container can be easily removed with a simple structure.

It is a partial cross-sectional side view which shows the refill container which concerns on one Embodiment of this invention. It is a side view of the inner container shown in FIG. It is a bottom view of the inner container shown in FIG. It is a partial cross-sectional side view of the outer container shown in FIG. It is a vertical cross-sectional view which shows the state which the inner container shown in FIG. 1 is attached to the outer container. FIG. 5 is a partially enlarged view showing an enlarged portion surrounded by the alternate long and short dash line in FIG. It is a figure which shows the state when the upper convex part side portion in the outer edge of a flange is pressed in order to remove an inner container with respect to the refill container shown in FIG. It is a figure which shows the state which the inner container was picked up from the state shown in FIG. It is a figure which shows the state when the non-upper convex part side portion in the outer edge of a flange is pressed in order to remove an inner container with respect to the refill container shown in FIG. It is a figure which shows the state which picked up the inner container from the state shown in FIG.

Hereinafter, the refill container according to the embodiment of the present invention will be described in detail with reference to the drawings. In the present specification, the vertical direction means the axial direction (direction along the central axis) of the inner peripheral wall of the inner container. That is, the upper part means the upper part in FIG. 1, and the lower part means the lower part in FIG. The cross section means a cross section perpendicular to the central axis of the inner peripheral wall of the inner container, and the vertical cross section means a cross section including the central axis of the inner peripheral wall of the inner container.

As shown in FIG. 1, the refill container 1 (hereinafter, also simply referred to as container 1) according to the present embodiment includes an inner container 2 for accommodating the contents, an outer container 3 for accommodating the inner container 2, and an inner container 2. It has a lid 4 that can close the lid 4. However, the container 1 does not have to have the lid 4. In the present embodiment, the inner container 2 is a container for refilling that can be replaced when the contents are used up. The content may be, but is not limited to, creamy cosmetics and the like. The content is not limited to cream, but may be solid, powder, liquid, or the like. In the present embodiment, the container 1 is configured as a jar container having a wide-mouthed content outlet and short in the height direction, but is not limited thereto. For example, the container 1 may be configured as a bottle container having a narrow-mouthed content outlet and long in the height direction.

As shown in FIGS. 2 to 3, the inner container 2 has a cylindrical inner peripheral wall 5, an annular flange 6 integrally connected to the upper end of the inner peripheral wall 5, and an inner bottom that closes the lower end of the inner peripheral wall 5. It has a wall 7. Further, the inner wall 8 is composed of the inner peripheral wall 5 and the flange 6. The inner container 2 is made of an integrally molded product formed by, for example, injection molding of a synthetic resin material. However, the inner container 2 is not limited to the one made of synthetic resin, and the manufacturing method thereof is not limited to injection molding. Further, the inner container 2 may be configured by assembling a plurality of members. The shape of the inner peripheral wall 5 is not limited to a cylindrical shape, and may be, for example, an elliptical tubular shape (cylindrical shape having an elliptical cross section) or a polygonal tubular shape (cylindrical shape having a polygonal cross section). The shape of the flange 6 is not limited to an annular shape, and may be an elliptical annular shape (an annular shape having an elliptical outer edge) or a polygonal ring road (an annular shape having a polygonal outer edge). Further, the shape of the flange 6 is not limited to a continuous annular shape, and may be an intermittent annular shape. Further, the flange 6 may be connected to a portion slightly below the upper end, for example, instead of the upper end of the inner peripheral wall 5. The inner bottom wall 7 has a substantially conical shape in which the wall thickness increases while inclining downward in the radial direction. Further, the inner bottom wall 7 is configured to come into contact with the outer bottom wall 12 of the outer container 3 in a state where the inner container 2 is attached to the outer container 3 (see FIG. 5). However, the shape of the inner bottom wall 7 can be changed as appropriate. For example, the inner bottom wall 7 may have a shape in which only the central portion in the bottom view protrudes downward and the protruding portion can come into contact with the outer bottom wall 12.

As shown in FIGS. 2 to 3, the inner wall 8 has five upper convex portions 9 arranged at equal intervals over the entire circumference in the circumferential direction, and five upper convex portions below the five upper convex portions 9. It has five fitting convex portions 10 that are aligned with the convex portion 9 and arranged in the circumferential direction. The number of the upper convex portion 9 and the fitting convex portion 10 is not limited to five, and may be an odd number. Among them, 3, 5, or 7 are preferable. The five upper convex portions 9 have a convex shape that can come into contact with the outer peripheral wall 11 of the outer container 3 in the vertical direction inside the outer edge of the flange 6. Further, the five upper convex portions 9 are provided at the connecting portion between the flange 6 and the inner peripheral wall 5. In the present embodiment, each upper convex portion 9 is composed of one protrusion having a ridge line that is inclined inward in the radial direction toward the lower side. However, the shape of each upper convex portion 9 can be changed as appropriate. For example, each upper convex portion 9 may be composed of two or more protrusions arranged in the circumferential direction. The five fitting protrusions 10 are provided on the inner peripheral wall 5. Further, the five fitting convex portions 10 have a convex shape that can be fitted with the outer peripheral wall 11 of the outer container 3. In the present embodiment, each fitting convex portion 10 has a triangular shape in the bottom view in which the protruding height gradually increases toward the center in the circumferential direction (see FIG. 3). Further, each fitting convex portion 10 has a tapered shape in which the thickness decreases toward the outer side in the radial direction (see FIG. 2). The inner wall 8 is configured so that a portion other than the five upper convex portions 9 and the five fitting convex portions 10 does not come into contact with the outer peripheral wall 11 of the outer container 3 when the inner container 2 is attached.

The shape of the outer container 3 is set according to the shape of the inner container 2. Alternatively, the shape of the inner container 2 is set according to the shape of the outer container 3. In the present embodiment, as shown in FIG. 4, the outer container 3 has a cylindrical outer peripheral wall 11 and a disk-shaped outer bottom wall 12 connected to the lower end of the outer peripheral wall 11. However, the shape of the outer peripheral wall 11 is not limited to a cylindrical shape, and may be, for example, an elliptical tubular shape (cylindrical shape having an elliptical cross section) or a polygonal tubular shape (cylindrical shape having a polygonal cross section). The shape of the outer bottom wall 12 can be changed as appropriate. In the present embodiment, the outer peripheral wall 11 has a mouth portion 11a having a male screw 13 that can engage with the lid 4, and a body portion 11b having an outer diameter expanded from the mouth portion 11a. The mouth portion 11a and the lid 4 are not limited to the configuration in which they are engaged with each other by such a male screw 13, and may be configured to be fitted to each other, for example. In the present embodiment, the outer peripheral surface of the mouth portion 11a and the upper end surface of the body portion 11b form an annular step portion 14. Further, the inner peripheral surface of the mouth portion 11a is continuous with the inner peripheral surface of the body portion 11b without a step, and the inner diameter of the mouth portion 11a is substantially the same as the inner diameter of the body portion 11b. An annular fitting portion 15 that can be fitted with the five fitting convex portions 10 is provided on the inner peripheral surface of the mouth portion 11a. In the present embodiment, the fitting portion 15 is formed of a convex portion provided over the entire circumference in the circumferential direction. The fitting portion 15 may be formed of a concave portion or a step portion instead of such a convex portion. Further, the fitting portion 15 may be provided on the inner peripheral surface of the body portion 11b instead of the inner peripheral surface of the mouth portion 11a. In the present embodiment, the upper end surface 16 of the outer peripheral wall 11 is provided with an annular convex portion 16a forming a convex shape over the entire circumference inside the outer edge of the upper end surface 16. The five upper convex portions 9 can come into contact with the annular convex portion 16a. In the present embodiment, as shown in FIG. 1, the five upper convex portions 9 abut on the annular convex portion 16a in the mounted state of the lid 4 to prevent further sinking of the inner container 2. There is. The outer container 3 can be composed of a single or a plurality of members made of any material such as synthetic resin, metal, and glass.

By inserting the inner container 2 inside the outer container 3 and allowing the fitting portions 15 to get over the five fitting convex portions 10 downward as shown in FIGS. 5 to 6, the inner container 2 is made into the outer container. Can be attached to 3. In the present embodiment, when the inner container 2 is attached to the outer container 3, five upper convex portions 9 are in contact with the annular convex portion 16a, and the inner bottom wall 7 is in contact with the outer bottom wall 12. However, in a state where the inner container 2 is attached to the outer container 3, five upper convex portions 9 may abut on the annular convex portion 16a, and the inner bottom wall 7 may not abut on the outer bottom wall 12. With the container 2 attached to the outer container 3, the five upper convex portions 9 may not abut on the annular convex portion 16a, and the inner bottom wall 7 may abut on the outer bottom wall 12. Further, in the present embodiment, the five fitting convex portions 10 are fitted with the fitting portion 15 so that the movement of the inner container 2 upward can be regulated in a state where the inner container 2 is attached to the outer container 3. doing. However, the five fitting convex portions 10 may be configured to be positioned at intervals below the fitting portion 15 with the inner container 2 attached to the outer container 3.

As shown in FIG. 1, the lid 4 has a cylindrical mounting cylinder 18a having a female screw 17 that can engage with the male screw 13 of the mouth portion 11a, and a top wall 18b that closes the upper end of the mounting cylinder 18a. It has a main body 18. The mounting cylinder 18a is configured to be arranged on the step portion 14 of the outer container 3, and has the same outer diameter as the outer diameter of the body portion 11b. However, the shape of the lid body 18 can be changed as appropriate. Further, the lid 4 includes a disk-shaped packing 19 arranged on the lower surface of the top wall 18b. The packing 19 comes into contact with the flange 6 when the lid 4 is attached, and closes the opening of the inner container 2. The shape or arrangement of the packing 19 can be changed as appropriate. The lid 4 does not have to have the packing 19. The lid body 18 can be composed of a single member or a plurality of members made of any material such as synthetic resin, metal, and glass.

In the refill container 1 according to the present embodiment, the inner container 2 can be removed from the outer container 3 by the following procedure, for example. With the lid 4 removed, the user first presses the outer edge of the flange 6 of the inner container 2 downward in order to remove the inner container 2 from the outer container 3. At this time, as shown in FIG. 7, when the user presses the upper convex portion 9 side portion (that is, the portion where the upper convex portion 9 is formed in the circumferential direction) on the outer edge of the flange 6, the inner portion is formed. Since there is no fitting convex portion 10 in the facing portion of the pressing portion sandwiching the central axis of the peripheral wall 5, the inner container 2 is tilted so that the lower portion of the inner peripheral wall 5 in the facing portion approaches the outer peripheral wall 11. , The fitting portion 15 and the five fitting convex portions 10 are disengaged, the flange 6 at the facing portion is lifted, and the gap between the raised flange 6 and the upper end surface 16 of the outer peripheral wall 11 is expanded. do. Therefore, as shown in FIG. 8, the inner container 2 can be easily picked up. On the other hand, when the user presses the non-upper convex portion 9 side portion (that is, the portion where the upper convex portion 9 is not formed in the circumferential direction) on the outer edge of the flange 6, as shown in FIG. Since the pressing portion does not have the upper convex portion 9, the inner container 2 is tilted so that the upper portion of the inner peripheral wall 5 in the pressing portion approaches the outer peripheral wall 11, and the fitting portion 15 and the five fitting convex portions are tilted. The fitting with 10 is released, the flange 6 at the portion facing the pressing portion sandwiching the central axis of the inner peripheral wall 5 is lifted, and the gap between the raised flange 6 and the upper end surface 16 of the outer peripheral wall 11 is expanded. .. Therefore, as shown in FIG. 10, the inner container 2 can be easily picked up.

In particular, in the present embodiment, since the five upper convex portions 9 are provided at the connecting portion between the flange 6 and the inner peripheral wall 5, the inner container 2 can be easily tilted when the outer edge of the flange 6 is pressed. Can be done. Further, in the present embodiment, since the five upper convex portions 9 can come into contact with the annular convex portions 16a, it is easy to secure a gap between the flange 6 and the upper end surface 16 of the outer peripheral wall 11, and thus the contents. The vessel 2 can be easily removed.

The above description merely shows one embodiment of the present invention, and does not limit the scope of claims. Based on the basic matters of the present disclosure, the above-described embodiment can be modified in various ways, for example, as follows.

In the above embodiment, the five upper convex portions 9 are provided at the connecting portion between the flange 6 and the inner peripheral wall 5. However, the five upper convex portions 9 may be provided on the lower surface of the flange 6 or the outer peripheral surface of the inner peripheral wall 5. Further, in the above-described embodiment, the five upper convex portions 9 are provided so as to be able to come into contact with the annular convex portions 16a provided on the upper end surface 16 of the outer peripheral wall 11. However, the five upper convex portions 9 may be provided so as to be able to come into contact with the upper end surface 16 of the outer peripheral wall 11 that does not have the annular convex portion 16a.

Further, in the above embodiment, the five upper convex portions 9 and the five fitting convex portions 10 are provided on the inner wall 8 of the inner container 2. However, the five upper convex portions 9 and the five fitting convex portions 10 may be provided on the outer peripheral wall 11 of the outer container 3. In this case, for example, the outer peripheral wall 11 is arranged on the upper end surface 16 at equal intervals over the entire circumference in the circumferential direction, and is convex so as to be in contact with the inner wall 8 (flange 6) in the vertical direction inside the outer edge of the flange 6. On the inner peripheral surface of the odd-numbered upper convex portions and the outer peripheral wall 11, the odd-numbered upper convex portions are aligned with the odd-numbered upper convex portions below the odd-numbered upper convex portions and are aligned in the circumferential direction, and the inner wall is aligned. It is possible to have a configuration having an odd number of fitting convex portions forming a convex shape that can be fitted with the annular fitting portion provided in 8.

1 Refill container 2 Inner container 3 Outer container 4 Lid 5 Inner peripheral wall 6 Flange 7 Inner bottom wall 8 Inner wall 9 Upper convex part 10 Fitting convex part 11 Outer wall 11a Mouth 11b Body 12 Outer bottom wall 13 Male screw 14 Steps 15 Fitting part 16 Upper end surface of outer peripheral wall 16a Circular convex part 17 Female screw 18 Lid body 18a Mounting cylinder 18b Top wall 19 Packing

Claims (3)

An inner container to store the contents and
With an outer container having an outer peripheral wall and an outer bottom wall,
The inner container includes an inner wall having an inner peripheral wall arranged inside the outer peripheral wall, a flange connected to the inner peripheral wall and arranged above the outer peripheral wall, and an inner bottom wall .
One of the inner wall and the outer peripheral wall
An odd number of upper convex portions that are lined up at equal intervals over the entire circumference in the circumferential direction and have a convex shape that can come into contact with the other of the inner wall and the outer peripheral wall in the vertical direction inside the outer edge of the flange.
An odd number of convex portions that are aligned with the odd number of upper convex portions below the odd number of upper convex portions and are aligned in the circumferential direction, and have a convex shape that can be fitted with the other of the inner wall and the outer peripheral wall. possess and the convex portion, the,
The inner bottom wall does not abut on the outer bottom wall with the inner container attached to the outer container, or abuts only at the center of the bottom view.
The number of the fitting protrusions is 3, 5, or 7, and the protrusion height of each fitting protrusion gradually increases toward the center in the circumferential direction.
Refill container. The refill container according to claim 1, wherein the odd-numbered upper convex portions are provided at a connecting portion between the flange and the inner peripheral wall. The upper end surface of the outer peripheral wall is provided with an annular convex portion forming a convex shape over the entire circumference inside the outer edge of the upper end surface.
The refill container according to claim 1 or 2, wherein the odd number of upper convex portions can come into contact with the annular convex portion.

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