JP6987452B2 - Container with bottom lid - Google Patents

Description

The present invention relates to a container with a bottom lid, which is provided with an outer wall portion on the outside of the inner wall portion of the storage container, and the bottom lid is attached by fitting the inner wall portion and the outer wall portion at two locations.

In the case of a storage container for cosmetics, etc., it is required to have excellent decorativeness and design, so a container having an outer wall with excellent decorativeness on the outside of the inner wall of the container body in which the contents are stored is known. ing.
Further, there is known a container in which an exterior body is further provided on the outside of the outer wall of the container body and a container retaining member is attached to the lower part of the container body in order to fix the outer wall and the exterior body (for example, Patent Document 1). reference).

Japanese Unexamined Patent Publication No. 2010-155626

However, in the container described in Patent Document 1, a mounted portion 57 is provided on the container body 5, and the container is fitted with the mounted claw portion 62 provided on the container retaining member 6 and is provided on the outside of the mounted claw portion 62. The holding cylinder portion 61 presses the outer body 4 for the container from below to fix the outer body 4. The holding cylinder portion 61 is merely a holding portion, and the fitting portion is formed by the mounting claw portion 62. Since there is only one place, there is a problem that the fitting is easily disengaged when an external force in the lateral direction is applied to the container retaining member 6.

The present invention has an object of solving the above-mentioned problems, and provides a bottom lid having two fitting portions with the container body to strengthen the fitting and when an external force is applied to the container. It is also intended to provide a container with a bottom lid that does not easily come off.

In order to solve the above problems, the present invention is a container with a bottom lid, which is provided with a container body, a cap covering the upper part of the container body, and a bottom lid attached to the lower part of the container body, as a container with a bottom lid. The container body consists of an inner wall portion, a bottom wall portion arranged at the lower part of the inner wall portion, and an outer wall portion provided on the outside of the inner wall portion, and the bottom lid is erected on the substrate portion and the upper surface of the substrate portion. It consists of an inner cylinder portion to be formed and an outer cylinder portion erected on the outside of the inner cylinder portion. A second groove portion is provided, and the bottom lid is provided with a first protrusion portion on the inner peripheral side of the inner cylinder portion and a second protrusion portion on the outer peripheral side of the outer cylinder portion, and is composed of the first groove portion and the first protrusion portion. A configuration characterized in that the bottom lid is attached to the container body is adopted by fitting at two points of the first fitting and the second fitting by the second groove portion and the second protrusion.

As a specific embodiment of the container with a bottom lid, the outer cylinder portion is provided at the edge portion of the substrate portion, and the vertical rib provided on the inner peripheral side of the outer wall portion when the bottom lid is attached to the container body. structure lower end surface of which is characterized in that contacts the upper end surface of the outer cylindrical portion, and vertically the hollow mounting portion to the lower or bottom wall of the inner wall of the container body, the first groove is provided in the hollow mounting portion Adopt a configuration characterized by the fact that

As a specific embodiment of the container with a bottom lid, a configuration characterized in that the positions of the first fitting and the second fitting in the height direction are vertically displaced, between the outer cylinder portion and the substrate portion. A configuration characterized by being provided with reinforcing ribs is adopted.

The container with a bottom lid of the present invention has two fitting portions, a first fitting and a second fitting, so that the fitting is strengthened and one of them is applied when an external force is applied to the container from the lateral direction. Even if the undercut of the container is deformed in the direction of disengagement, the other undercut is deformed in the direction of fitting more strongly, and the fitting portion can be made into a container that is difficult to disengage.

In addition, by providing the outer wall portion on the outside of the inner wall portion, it is possible to give the outer wall portion more decorativeness as well as the role of the inner wall portion as the original storage container of the container, and the container has both usability and decorativeness. be able to.

It is a half cross-sectional view which shows the state which the bottom cover and the container body are fitted in two places in the container with the bottom cover of the Example of this invention. In the container with a bottom lid of the embodiment of the present invention, it is a figure which shows the state before attaching the bottom lid to the container body, (a) is the half sectional view of the container body, (b) is the half of the bottom wall. It is a cross-sectional view. FIG. 3 is an enlarged view of a main part of FIG. 1 of a container with a bottom lid according to an embodiment of the present invention.

Next, the container with a bottom lid of the present invention will be described with reference to the drawings showing examples when the container is used as a container for containing contents such as cream.

In FIGS. 1 to 3, A is a container body, B is a bottom lid fitted and attached to the container body A, and C is a cap.
The container body A is provided with a cylindrical inner wall portion 2 and a bottom wall portion 3 from the lower end of the inner wall portion 2.
The inner wall portion 2 of the container body A is opened at the upper part, and a seal portion 1 is provided to cover the upper surface of the opening, the contents are sealed, and a screw portion 4 is provided on the outer peripheral surface of the upper portion of the inner wall portion 2. ing.

In this embodiment, a flange portion 5 projecting to the outside of the inner wall portion 2 is provided, and an outer wall portion 6 is provided via the flange portion 5.
Further, in this embodiment, the mounting cylinder portion 7 is vertically installed from the lower end of the inner wall portion 2 separately from the bottom wall portion 3.
The outer wall portion 6 is reduced in diameter toward the lower part, and a vertical rib 8 is provided on the inner peripheral side. When the bottom lid B is fitted, the lower end surface of the vertical rib 8 is the bottom lid B described later. It is in contact with the upper end surface of the outer cylinder portion 12.
Further, in the present embodiment, the bottom wall portion 3 has a round curved surface so that the contents can be easily taken out.

The cap C is composed of a top plate 30 and a side wall 31 vertically hung from the peripheral edge of the top plate 30, a threaded portion 32 is provided on the inner circumference of the side wall 31, and is attached to the container body A by screwing.
The shape of the cap C may be any shape, and a hinge cap or the like can be adopted. Further, the container body A may be attached to any shape instead of being screwed, and is not limited in the present invention, including an engagement method such as undercut fitting.

The bottom lid B includes a disk-shaped substrate portion 10, an inner cylinder portion 11 erected on the upper surface of the substrate portion 10, and an outer cylinder portion 12 outside the inner cylinder portion 11, and the inner cylinder portion 11 is composed of an inner cylinder portion 11. The outer cylinder portion 12 is provided on the outside of the mounting cylinder portion 7 so as to be inside the outer wall portion 6.
In this embodiment, the outer cylinder portion 12 is provided at the edge portion of the substrate portion 10, and when the bottom lid B is attached to the container body A, the lower end surface of the vertical rib 8 is on the upper end surface of the outer cylinder portion 12. Along with the contact, the lower end portion of the outer wall portion 6 is provided so as to reach the lower end of the edge portion of the substrate portion 10.
On the inner surface side of the outer cylinder portion 12, a triangular plate-shaped reinforcing rib 13 that is connected to the substrate portion 10 at the lower end portion is provided.
In this embodiment, 8 to 12 reinforcing ribs 13 are provided.

As shown in FIG. 3, the container body A and the bottom lid B are fitted at two locations, the first fitting a and the second fitting b.
A first groove portion 14 having a smooth recess is provided on the outer peripheral side of the lower portion of the mounting cylinder portion 7, and a second groove portion 15 having the same smooth recess is provided on the inner peripheral side of the lower portion of the outer wall portion 6. A first protrusion 16 is provided on the inner peripheral side of the inner cylinder portion 11 of the bottom lid B, a second protrusion 17 is provided on the outer peripheral side of the outer cylinder portion 12, and the bottom lid B is a container. When mounted on the main body A, undercut fitting is performed at two locations, a first fitting a by the first groove portion 14 and the first protrusion 16, and a second fitting b by the second groove 15 and the second protrusion 17. It fits.
In this embodiment, there is a height difference between the positions of the fitting portions of the first fitting a and the second fitting b, and the first fitting a is provided at a higher position than the second fitting b. Therefore, even if an external force is applied, the same strong force is not applied at the same time.
The first protrusion 16 and the second protrusion 17 of the present embodiment include the first slope portion 18, the second slope portion 19, and the first groove portion 14 that engage with the first groove portion 14 and the second groove portion 15, respectively. It is composed of a first locking portion 20 and a second locking portion 21 for locking to the second groove portion 15, respectively.
The first protrusion 16 and the second protrusion 17 do not have to be the entire circumference and are provided intermittently. In this embodiment, the second protrusion 17 is provided more intermittently than the first protrusion 16. Has been done.

Next, the usage mode and the action and effect of this embodiment will be described with reference to the drawings.
The container body A and the bottom lid B of this embodiment can be manufactured by integrally molding with a mold using a flexible synthetic resin such as polypropylene resin.
In the manufacture of the container body A, the cavity and core on the opposite side of the undercut are provided with respect to the undercut based on the first groove portion 14 and the second groove portion 15 of the mounting cylinder portion 7 and the outer wall portion 6 at the time of mold release. Since the space can be provided by pulling out first, the mounting cylinder portion 7 and the outer wall portion 6 are easily deformed on the opposite side of the undercut, and the undercut forcibly punching molding becomes possible.
Further, as with the undercuts of the first groove portion 14 and the second groove portion 15 of the container body A, the undercuts of the first protrusion 16 and the second protrusion 17 of the bottom lid B can be forcibly punched and molded. Even when only one side of the undercut of the first protrusion 16 and the second protrusion 17 of the bottom lid B is forcibly punched and molded, the fitting portion is hard to come off because it is fitted at two places.

Next, from the state shown in FIG. 2, the bottom lid B is attached to the container body A as shown in FIG.
When the outer end surface of the outer cylinder portion 12 of the bottom lid B is directed to the inner end surface of the outer wall portion 6 and the bottom lid B is pushed up, the first groove portion 14 and the second groove portion 15 and the first protrusion 16 are placed on the first groove portion 14 and the second groove portion 15, respectively. The second slope portion 19 of the first slope portion 18 and the second protrusion 17 slides in, and is further locked by the first locking portion 20 and the second locking portion 21, and the upper end surface of the outer cylinder portion 12 is vertically formed. The bottom lid B and the container body A are brought into contact with the lower end surface of the rib 8 to complete the fitting of the first fitting a and the second fitting b.

Since the present embodiment has two fitting portions, the fitting between the bottom lid B and the container body A is stronger than when there is only one fitting portion.
Further, even when an external force is applied to the container body A in the lateral direction, the groove directions of the fitting portions are provided in opposite directions, so that even if one is deformed in the disengaging direction, the other is more strongly fitted. Since it is deformed in the direction of the container, the bottom lid B and the container body A do not come off from each other.

If the other part is bonded by ultrasonic bonding or melt bonding instead of fitting, ancillary equipment may be required and the strength may be insufficient. By providing it at a location, it is easy to increase the fitting strength, and it is also possible to separate the container body and the bottom lid without damaging them.

In this embodiment, since the bottom wall portion 3 of the container body A has a curved surface, the mounting cylinder portion 7 is vertically provided on the inner wall portion 2, but the mounting cylinder portion 7 is not essential and the first directly on the inner wall portion 2. It is also possible to provide the groove portion 14.
It is also possible to vertically mount the mounting cylinder portion 7 on the lower portion of the bottom wall portion 3.
In this embodiment, the outer wall portion 6 is provided on the inner wall portion 2 via the flange portion 5, but if the outer wall portion 6 can be provided so as to be outside the inner wall portion 2, the flange portion 5 will not be provided. You may.

In the container with a bottom lid of the present invention, since the bottom lid is fitted to the container body at two points, the fitting is stronger than the case where the fitting is at one place, and the groove directions of the fitting portions are provided in opposite directions. Therefore, the fitting does not come off even with an external force in the lateral direction.
Further, by providing the outer wall portion on the outside of the inner wall portion of the container body, it is possible to make a container having both usability by the inner wall portion and decorativeness by the outer wall portion, which is suitable as a container for cosmetics such as hair styling products and facial cleansers. Can be used for.

A Container body B Bottom lid C Cap a 1st fitting b 2nd fitting 1 Seal part 2 Inner wall part 3 Bottom wall part 4 Threaded part 5 Flange part 6 Outer wall part 7 Mounting cylinder part 8 Vertical rib 10 Board part 11 Inner cylinder Part 12 Outer cylinder part 13 Reinforcing rib 14 First groove part 15 Second groove part 16 First protrusion part 17 Second protrusion part 18 First slope part 19 Second slope part 20 First locking part 21 Second locking part 30 Heaven Plate 31 Side wall 32 Threaded part

Claims (5)

A container with a bottom lid having a container body, a cap covering the upper part of the container body, and a bottom lid attached to the lower part of the container body.
The container body is composed of an inner wall portion, a bottom wall portion arranged at the lower part of the inner wall portion, and an outer wall portion provided on the outside of the inner wall portion.
The bottom lid is composed of a substrate portion, an inner cylinder portion erected on the upper surface of the substrate portion, and an outer cylinder portion erected on the outside of the inner cylinder portion.
The container body is provided with a first groove portion on the outer peripheral side of the lower portion of the inner wall portion and a second groove portion on the inner peripheral side of the lower portion of the outer wall portion, and the bottom lid is provided with a first protrusion portion on the inner peripheral side of the inner cylinder portion. A second protrusion is provided on the outer peripheral side of the outer cylinder portion, and the first groove portion and the first protrusion portion are used for the first fitting, and the second groove portion and the second protrusion portion are used for the second fitting. A container with a bottom lid, characterized in that the bottom lid is attached to the container body by combining. The outer cylinder portion is provided at the edge portion of the substrate portion, and when the bottom lid is attached to the container body, the lower end surface of the vertical rib provided on the inner peripheral side of the outer wall portion becomes the upper end surface of the outer cylinder portion. The container with a bottom lid according to claim 1, wherein the container is in contact with the bottom lid. The container with a bottom lid according to claim 1 or 2, wherein the mounting cylinder portion is vertically provided on the lower end or the bottom wall portion of the inner wall portion of the container body, and the first groove portion is provided on the mounting cylinder portion. The container with a bottom lid according to any one of claims 1 to 3, wherein the positions of the first fitting and the second fitting in the height direction are displaced vertically. The container with a bottom lid according to any one of claims 1 to 4, wherein a reinforcing rib is provided between the outer cylinder portion and the substrate portion.

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