JP7184463B2 - replacement container - Google Patents

Description

The present invention relates to replacement containers.

2. Description of the Related Art Conventionally, there has been known a replaceable container having an inner container for containing contents such as cream and an outer container for removably containing the inner container. Such a replacement container has a detachable structure that allows the inner container to be attached and detached in order to allow replacement of the inner container (see Patent Document 1, for example).

JP 2015-30459 A

The replacement container described in Patent Literature 1 has a threaded portion as an attachment/detachment structure. When such a threaded portion is used, many rotation operations are usually required to replace the inner container, and it may be necessary to change the grip during the rotation operation. Moreover, when a threaded portion is used, it is necessary to provide a male threaded portion on the outer peripheral surface of the inner container, which complicates the shape of the inner container. Therefore, there is a demand for a replacement container that allows replacement of the inner container with a small number of rotation operations and that allows the shape of the inner container to be simple.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a replacement container that allows replacement of the inner container with a small number of rotating operations and also allows the shape of the inner container to be simple.

A replacement container according to an aspect of the present invention includes an inner container and an outer container, wherein the outer container includes an outer container body having a release convex portion and the outer container rotatable relative to the outer container body. a rotating member held inside an outer container body, wherein the rotating member includes a fitting portion that fits with the inner container; and a rotating member that rotates the rotating member relative to the outer container body. It has an operation portion that receives an operation, and an elastic piece that rides on the release convex portion by the rotating operation to push up the inner container that is fitted with the fitting portion.

In the replacement container according to the present invention, the fitting portion has a snap-fitting portion that snap-fits with the inner container, and the elastic piece rides on the release convex portion to push up the inner container and The structure may be such that the snap fitting between the snap fitting portion and the inner container is released.

The replacement container according to the present invention may have a configuration in which the fitting portion has a press fitting portion that press-fits with the inner container when the inner container is pushed up by the elastic piece.

In the replacement container according to the present invention, the release convex portion abuts on the inclined portion on which the elastic piece rides upon the rotating operation, and on the elastic piece on the inclined portion upon the rotating operation, so that the elastic release portion contacts the elastic piece. The configuration may also include a pressing portion that elastically deforms the piece in a direction opposite to the rotating direction of the rotating operation.

The replacement container according to the present invention has a stop piece that stops further rotation of the rotating member when the rotating member comes into contact with the elastic piece elastically deformed by the pressing portion by the rotating operation. It may be a configuration.

ADVANTAGE OF THE INVENTION According to this invention, the replacement|exchange container which can replace an inner container with few rotating operations, and can simplify the shape of an inner container can be provided.

1 is a vertical cross-sectional view showing a replacement container according to an embodiment of the present invention in a closed state; FIG. (a) is a top view showing the outer container shown in FIG. 1 before rotating operation, and (b) is a longitudinal sectional view showing the outer container and the inner container shown in FIG. 1 before rotating operation. be. (a) is a top view showing the state of the outer container shown in FIG. 1 when the rotation operation is completed, and (b) is a longitudinal section showing the state of the outer container and the inner container shown in FIG. 1 when the rotation operation is completed. It is a diagram. It is a partially enlarged view of FIG.2(b). It is a partially enlarged view of FIG.3(b). FIG. 3(a) is a cross-sectional view taken along the line AA.

Hereinafter, a replacement container according to an embodiment of the present invention will be described in detail by way of example with reference to the drawings.

As shown in FIG. 1 , a replacement container 1 (hereinafter also referred to as container 1 ) according to this embodiment has an inner container 2 , an outer container 3 and a cap 4 . The inner container 2 accommodates contents. The content may be cream-like cosmetics or the like, but is not limited to this. The inner container 2 is a refill container that can be replaced when the content is used up. The inner container 2 is an integrally molded member, but is not limited to this and may be composed of two or more integrally molded members. The outer container 3 is rotatable relative to the outer container main body 5 and the outer container main body 5 about the central axis O (hereinafter also referred to as being rotatable relative to the outer container main body 5). and a rotatable member 6 held in the . The outer container body 5 is composed of an integrally molded outer member 7 and an integrally molded inner member 8, but is not limited to this and may be constructed of one integrally molded member, or may be composed of three or more. It may be constructed from a unitary molded member. The rotating member 6 is an integrally molded member, but is not limited to this and may be composed of two or more integrally molded members. The cap 4 is composed of an integrally molded outer cap 9, an integrally molded inner cap 10, and an integrally molded packing 11, but is not limited to this and may be constructed of one integrally molded member. , may consist of four or more integrally formed members. Each member constituting the container 1 may be made of synthetic resin, but is not limited to this, and various materials such as rubber, glass, and metal may be used as necessary. The container 1 is a jar container having a wide opening for taking out contents that can be opened and closed by a cap 4. However, the container 1 is not limited to this, and has, for example, a pump capable of discharging the contents such as liquid contained in the inner container 2. It may be configured as a container with a pump. The container 1 has a cap 4 capable of closing the inner container 2, but may be configured without the cap 4. FIG.

The cap 4 has a cylindrical mounting wall portion 4a that can be attached to and detached from the outer peripheral surface of the outer container body 5, and a top wall portion 4b that closes the upper end of the mounting wall portion 4a. The mounting wall portion 4a can be attached to and detached from the outer peripheral surface of the outer container body 5 by screwing. The mounting wall portion 4 a is composed of an outer cap 9 and an inner cap 10 . The ceiling wall portion 4 b is composed of an outer cap 9 , an inner cap 10 and a packing 11 . An inner cap 10 is positioned inside the outer cap 9 , and a packing 11 is positioned inside the inner cap 10 .

The upward direction means the direction from the outer container 3 side toward the cap 4 side along the central axis O (that is, in the closed state where the inner container 2 is housed in the outer container 3 and the inner container 2 is closed with the cap 4). , upward in FIG. 1), and downward means the opposite direction. The circumferential direction and the radial direction mean the circumferential direction and the radial direction about the central axis O in the closed state. A longitudinal section means a section along a plane including the central axis O in the closed state.

The outer container body 5 has a cylindrical peripheral wall portion 12 and a bottom wall portion 13 closing the lower end of the peripheral wall portion 12 . The peripheral wall portion 12 includes a lower peripheral wall portion 12a extending upward from the bottom wall portion 13, an outer peripheral surface and a lower peripheral wall extending upward from the upper end of the lower peripheral wall portion 12a and having a stepped diameter reduction from the lower peripheral wall portion 12a. an intermediate peripheral wall portion 12b having an inner peripheral surface continuous with the portion 12a; and an upper peripheral wall portion 12c having an inner peripheral surface that The bottom wall portion 13 and the lower peripheral wall portion 12a are composed of an outer member 7 and an inner member 8, respectively. The middle peripheral wall portion 12b and the upper peripheral wall portion 12c are each composed of an inner member 8. As shown in FIG. The outer peripheral surface of the intermediate peripheral wall portion 12b has a threaded portion that can be screwed with the attachment wall portion 4a of the cap 4. As shown in FIG. The upper peripheral wall portion 12 c holds an annular upper end portion 14 centered on the central axis O of the rotating member 6 so as to be relatively rotatable about the central axis O with respect to the outer container body 5 . As shown in FIGS. 1 and 2(a), the outer container body 5 has three release projections 15 positioned on the upper surface of the bottom wall portion 13 and arranged at regular intervals in the circumferential direction. The number of release protrusions 15 can be increased or decreased as appropriate in combination with elastic pieces 17 and stop pieces 18, which will be described later, and may be one. In FIG. 2(a) and the like, only one releasing convex portion 15, elastic piece 17 and stopping piece 18 are denoted by reference numerals.

As shown in FIG. 1, the upper end portion 14 of the rotating member 6 includes an upper outer wall 14a, an upper upper wall 14b, and an upper outer wall 14a forming an annular downward concave groove centered on the central axis O to which the upper peripheral wall portion 12c is fitted. It has an upper end inner wall 14c. The upper end portion 14 of the rotary member 6 is fitted to the upper peripheral wall portion 12c so as to be held by the upper peripheral wall portion 12c so as to be rotatable relative to the outer container body 5. As shown in FIG. The upper end outer wall 14a is snap-fitted to the outer peripheral surface of the upper peripheral wall portion 12c. The upper end portion upper wall 14b and the upper end portion inner wall 14c contact the upper peripheral wall portion 12c via a convex portion in order to reduce the frictional force with the upper peripheral wall portion 12c. The rotary member 6 has a cylindrical tubular wall 16 positioned below the upper end inner wall 14c and having an inner peripheral surface and an outer peripheral surface continuous from the upper end inner wall 14c.

As shown in FIGS. 1 and 2(a), the rotating member 6 has three elastic pieces 17 extending radially inward from the lower end of the cylindrical wall 16 and arranged at regular intervals in the circumferential direction. The rotating member 6 also has three stop pieces 18 extending radially inward from the lower end of the cylindrical wall 16 adjacent to the elastic pieces 17 and arranged at regular intervals in the circumferential direction.

The inner container 2 has an annular shape centered on the central axis O, which is arranged in an annular recess centered on the central axis O formed in the inner peripheral edge of the upper surface of the upper end upper wall 14b of the rotating member 6. It has a flange 2a. In addition, the inner container 2 has a cylindrical tubular wall 2b hanging down from the inner peripheral edge of the flange 2a. The inner container 2 has a bottom wall 2c closing the lower end of the cylindrical wall 2b.

As shown in FIGS. 2(b), 4 and 5, the rotating member 6 has a fitting portion 19 that fits with the upper end portion of the outer peripheral surface of the cylinder wall 2b of the inner container 2. As shown in FIG. The fitting portion 19 is positioned on the inner peripheral surface of the inner wall 14 c of the upper end portion of the rotating member 6 . The fitting portion 19 has a snap-fitting portion 19a that snap-fits with the outer peripheral surface of the cylinder wall 2b of the inner container 2 when the inner container 2 is attached to the outer container 3 . Further, the fitting portion 19 has a pressing fitting portion 19b which is positioned above the snap fitting portion 19a and press-fitted to the outer peripheral surface of the cylinder wall 2b of the inner container 2. As shown in FIG. The inner container 2 has an annular protrusion 20 centered on the central axis O located at the upper end of the outer peripheral surface of the cylindrical wall 2b. The snap-fit portion 19a is configured by a concave groove that snap-fits with the annular projection 20. As shown in FIG. The press-fitting portion 19b is configured by an inner circumferential surface of a downward conical surface shape or a cylindrical surface shape that is press-fitted with the annular projection 20 . The shape of the snap fit portion 19a and the press fit portion 19b can be appropriately changed according to the shape of the outer peripheral surface of the cylinder wall 2b. The fitting portion 19 may be configured without the snap fitting portion 19a or the press fitting portion 19b.

The outer wall 14 a of the upper end portion of the rotating member 6 functions as an operation portion 21 that receives a rotating operation for rotating the rotating member 6 relative to the outer container body 5 . In order to remove the inner container 2 from the outer container 3, the operating portion 21 receives a rotating operation in a first rotating direction D1, which is counterclockwise when viewed from above.

As shown in FIG. 2(a), the elastic piece 17 extends radially inward from the lower end of the cylindrical wall 2b and has a curved shape that protrudes in the first rotation direction D1. As shown in FIGS. 2(a) to 3(b), the elastic piece 17 rides on the release convex portion 15 by the rotation operation in the first rotation direction D1, whereby the inner container 2 is fitted with the fitting portion 19. The snap fitting portion 19a and the inner container 2 are released from the snap fitting by pushing up the bottom wall 2c. When the inner container 2 is pushed up by the elastic pieces 17, the press fitting portion 19b press-fits with the inner container 2 and holds the pushed-up position of the inner container 2. As shown in FIG.

As shown in FIGS. 2A, 3A, and 6, the releasing convex portion 15 includes an inclined portion 15a on which the elastic piece 17 rides up when rotated in the first rotating direction D1, and an inclined portion 15a. and a pressing portion 15b that elastically deforms the elastic piece 17 in a second rotational direction D2, which is opposite to the first rotational direction D1, by coming into contact with the elastic piece 17 riding on the inclined portion 15a. The inclined portion 15a is configured by an inclined surface that is inclined upward in the first rotation direction D1. The pressing portion 15b is configured by a convex portion positioned at the end of the inclined portion 15a in the first rotation direction D1 and protruding upward.

As shown in FIG. 2A, the stop piece 18 extends radially inward from the lower end of the cylinder wall 2b and has a circumferential width gradually decreasing radially inward. As shown in FIGS. 2(a) to 3(b), the stop piece 18 rotates by coming into contact with the elastic piece 17 elastically deformed by the pressing portion 15b by the rotation operation in the first rotation direction D1. Further rotation of member 6 is stopped. Further, the stop piece 18 is positioned near the adjacent release convex portion 15 when the rotation angle position of the rotating member 6 returns due to the restoring force of the elastic piece 17 due to the release of the rotation operation in the first rotation direction D1. . Therefore, when the inner container 2 is attached to the outer container 3, the range in which the rotating member 6 can rotate relative to the outer container main body 5 in the second rotation direction D2 is defined by the stopping piece 18 and the adjacent release convex portion. 15 can be regulated. By restricting the movement range of the rotating member 6 in this way, it is possible to reduce the rotating operation in the first rotating direction D1 that is required to remove the inner container 2 .

When replacing the inner container 2, the user first rotates the operating portion 21 in the first rotation direction D1 from the attached state of the inner container 2 shown in FIGS. 2(a) and 2(b). By this rotating operation, the elastic piece 17 rides on the release convex portion 15 to push up the inner container 2 fitted with the fitting portion 19, thereby releasing the snap fit between the snap fitting portion 19a and the inner container 2. do. When the rotating operation is released, the restoring force of the elastic piece 17 causes the rotating member 6 to return to its rotational angular position. At this time, since the push-up position of the inner container 2 is held by the press fitting portion 19b, the user can easily pick up the flange 2a of the inner container 2 and take out the inner container 2 from the outer container 3. can. When attaching the other inner container 2, since the rotation angle position of the rotating member 6 is returned as described above, the user simply pushes the other inner container 2 into the outer container 3 and the fitting portion 19 is engaged. to complete the installation operation.

The embodiment described above is merely an example of the embodiment of the present invention, and it goes without saying that various modifications are possible without departing from the gist of the invention.

1 Replacement container 2 Inner container 2a Flange 2b Cylindrical wall 2c Bottom wall 3 Outer container 4 Cap 4a Mounting wall 4b Ceiling wall 5 Outer container body 6 Rotating member 7 Outer member 8 Inner member 9 Outer cap 10 Inner cap 11 Packing 12 Peripheral wall Part 12a Lower peripheral wall 12b Middle peripheral wall 12c Upper peripheral wall 13 Bottom wall 14 Rotating member upper end 14a Upper outer wall 14b Upper end upper wall 14c Upper inner wall 15 Release projection 16 Cylindrical wall 17 Elastic piece 18 Stop piece 19 Fitting Joining portion 19a Snap fitting portion 19b Pressing fitting portion 20 Annular projection 21 Operating portion O Center axis line D1 First rotation direction D2 Second rotation direction

Claims (5)

having an inner container and an outer container,
The outer container has an outer container body provided with a release projection, and a rotating member held inside the outer container body so as to be relatively rotatable with respect to the outer container body,
The rotating member has a fitting portion that fits with the inner container, an operating portion that receives a rotating operation for rotating the rotating member relative to the outer container body, and a release convex portion that is rotated by the rotating operation. A replacement container having an elastic piece that pushes up the fitting part and the fitted inner container by riding on it. The fitting portion has a snap fitting portion that snap-fits with the inner container,
2. The replacement container according to claim 1, wherein said elastic piece pushes up said inner container by riding on said release projection to release the snap fitting between said snap fitting portion and said inner container. 3. The replacement container according to claim 1 or 2, wherein said fitting portion has a pressing fitting portion that press-fits with said inner container when said inner container is pushed up by said elastic piece. The release convex portion abuts on the inclined portion on which the elastic piece is driven by the rotating operation and on the elastic piece that has run on the inclined portion by the rotating operation, thereby moving the elastic piece in the rotational direction of the rotating operation. 4. The replacement container according to any one of claims 1 to 3, further comprising a pressing portion that elastically deforms in the opposite direction. 5. The replacement according to claim 4, wherein the rotating member has a stop piece that stops further rotation of the rotating member by coming into contact with the elastic piece elastically deformed by the pressing portion by the rotating operation. container.

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