JP2019116287A - Container with bottom cover - Google Patents

Abstract

To provide a container with a bottom wall whose bottom cover is connected to the main body at two points, i.e. an inner wall and an outer wall.SOLUTION: A container with bottom cover consists of a container main body, a cap covering the upper part of the container main body, and a bottom cover attached to the lower part of the container main body. The container main body is made up of an inner wall part, a bottom wall part which is formed under the inner wall part, and an outer wall part formed outside the inner wall part. The bottom cover is made up of a base plate part, an inner cylindrical part formed on the upper surface of the base plate part, and an outer cylindrical part formed outside of the inner cylindrical part. The container main body has a first groove part, arranged on the lower outer periphery of the inner wall part, and a second groove part arranged on the lower inner periphery of the outer wall part. The bottom wall part has a first projecting part on the outer periphery of the inner cylindrical part and a second projecting part on the outer periphery of the outer cylindrical part. The bottom cover is attached to the container main body at two engagements, i.e. the first engagement of the first groove part and the first projecting part, and the second engagement of the second groove part and the second projecting part.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a container with a bottom lid provided with an outer wall outside the inner wall of a storage container, and fitted with a bottom lid by fitting at two places, the inner wall and the outer wall.

In the case of a container for cosmetics etc., it is required that the container is excellent in decorativeness and design, so a container having an outer wall excellent in decorativeness is known on the outside of the inner wall of the container body containing the contents. ing.
There is also known a container in which an outer body is further provided outside the outer wall of the container body, and the container retaining member is attached to the lower portion of the container body in order to fix the outer wall and the outer body (for example, Patent Document 1) reference).

JP, 2010-155626, A

  However, the container described in Patent Document 1 is provided outside the mounting claw portion 62 while providing the mounting portion 57 on the container main body 5 and fitting the mounting claw portion 62 provided on the container retaining member 6. The outer casing 4 for container is held from the lower side by the holding cylinder portion 61 to fix the outer casing 4, and the holding cylinder portion 61 is merely a simple holding, and the fitting portion is by the mounting claw portion 62. There is a problem that when the external force in the lateral direction is applied to the container retaining member 6 because it is one place, there is a problem that the fitting is easily detached.

  The present invention has an object to solve the above-mentioned problems, and a bottom lid having two fitting parts with the container main body is provided to strengthen the fitting and an external force is applied to the container. Also, it is an object of the present invention to provide a container with a bottom lid which is not easily disengaged.

  In order to solve the above-mentioned problems, the present invention is a container with a bottom lid as a container with a bottom lid, comprising a container body, a cap covering the top of the container body, and a bottom lid attached to the bottom of the container body, The container body comprises an inner wall portion, a bottom wall portion disposed below the inner wall portion, and an outer wall portion provided outside the inner wall portion, and the bottom lid is provided upright on the substrate portion and the upper surface of the substrate portion The container body has a first groove on the outer peripheral side of the lower portion of the inner wall portion, and an inner peripheral side of the lower portion of the outer wall portion. A second groove portion is provided, and the bottom lid is provided with a first projection portion on the outer peripheral side of the inner cylinder portion and a second projection portion on the outer peripheral side of the outer cylinder portion. The first lid portion and the first projection portion The bottom cover is mounted on the container body by fitting at two places of the first fitting and the second fitting by the second groove and the second projection. Adopted to.

  As a specific embodiment of the container with a bottom lid, the outer cylinder portion is provided at the edge of the substrate portion, and the longitudinal rib provided on the inner peripheral side of the outer wall when the bottom lid is attached to the container body A lower end face of the outer cylinder part is in contact with the upper end face of the outer cylinder part, a mounting cylinder part is provided at the lower part of the inner wall part or bottom wall part of the container body, and the first groove part is provided in the mounting cylinder part Adopt a configuration characterized by

  As a specific embodiment of the container with a bottom lid, the configuration in which the positions in the height direction of the first fitting and the second fitting are vertically shifted, between the outer cylinder portion and the substrate portion Are provided with a reinforcing rib.

  In the container with a bottom lid of the present invention, the fitting portion becomes two places of the first fitting and the second fitting, and the fitting is strengthened, and one side of the container when an external force is applied to the container from one side, Even if the undercut is deformed in the disengaging direction, the other undercut is deformed in the stronger fitting direction so that the container in which the fitted portion is unlikely to be disengaged can be obtained.

  In addition, by providing the outer wall outside the inner wall, the outer wall can be made to have a decorative property as well as the original inner container function as the container itself, and the container has both usability and decorativeness. be able to.

It is a half section view showing the state where a bottom lid and a container main part fitted in two places in a container with a bottom lid of an example of the present invention. In the container with a bottom lid of the embodiment of the present invention, it is a diagram showing a state before attaching the bottom lid to the container body, (a) is a half sectional view of the container body, (b) is a half of the bottom wall FIG. It is a principal part enlarged view of FIG. 1 of the container with a bottom lid of the Example of this invention.

  Next, the container with a bottom lid of the present invention will be described with reference to the drawings showing an embodiment in the case of using a container for storing 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 2 and a bottom wall 3 from the lower end of the inner wall 2.
The inner wall 2 of the container body A is open at the top, and a seal 1 is provided to cover the upper surface of the opening, and the contents are sealed and a screw 4 is provided on the outer peripheral surface of the top of the inner wall 2 ing.

In the present 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 the present embodiment, the mounting cylinder 7 is provided separately from the lower end of the inner wall 2 separately from the bottom wall 3.
The outer wall portion 6 is reduced in diameter toward the lower portion, and the longitudinal rib 8 is provided on the inner circumferential side, and when the bottom lid B is fitted, the lower end surface of the longitudinal rib 8 is a bottom lid B described later It is in contact with the upper end surface of the outer cylindrical portion 12.
Further, in the present embodiment, the bottom wall portion 3 has a rounded curved surface to facilitate the removal of the contents.

The cap C includes a top plate 30 and a side wall 31 vertically provided from the peripheral edge of the top plate 30. A screw portion 32 is provided on the inner periphery of the side wall 31 and attached to the container main body A by screwing.
The shape of the cap C may be any shape, and it is also possible to adopt a hinge cap or the like. Moreover, mounting | wearing with the container main body A may not be screwing, either, and may be anything, and it does not matter in this invention including engagement methods, such as an undercut fitting.

The bottom cover B includes a disk-shaped substrate portion 10, an inner cylindrical portion 11 erected on the upper surface of the substrate portion 10, and an outer cylindrical portion 12 outside the inner cylindrical portion 11. The inner cylindrical portion 11 The outer cylinder 12 is provided on the outside of the mounting cylinder 7 so as to be inside the outer wall 6.
In the present embodiment, the outer cylindrical portion 12 is provided at the edge of the substrate portion 10, and when the bottom lid B is attached to the container main body A, the lower end face of the vertical rib 8 is the upper end face of the outer cylindrical portion 12. The lower end portion of the outer wall portion 6 is provided so as to reach the lower portion of the edge of the substrate portion 10 while abutting.
On the inner surface side of the outer cylindrical portion 12, a triangular plate-shaped reinforcing rib 13 coupled to the substrate portion 10 at the lower end portion is provided.
In the present embodiment, eight to twelve reinforcing ribs 13 are provided.

As shown in FIG. 3, fitting of the container body A and the bottom cover B is provided at two places of a first fitting a and a second fitting b.
A smooth grooved first groove portion 14 is provided on the outer peripheral side of the lower portion of the mounting cylindrical portion 7, and a similar smooth grooved second groove portion 15 is provided on the inner peripheral side of the lower portion of the outer wall portion 6 over the entire circumference. Also, the first projection 16 is provided on the inner peripheral side of the inner cylinder 11 of the bottom cover B, the second projection 17 is provided on the outer peripheral side of the outer cylinder 12, and the bottom cover B is a container When mounted on the main body A, undercuts are fitted at two points of the first fitting a by the first groove 14 and the first protrusion 16 and the second fitting b by the second groove 15 and the second protrusion 17 Match.
In this embodiment, there is a difference in height between the positions of the respective fitting portions of the first fitting a and the second fitting b, and the first fitting a is provided at a position higher than the second fitting b. Also, when an external force is applied, the same strong force is not simultaneously applied.
The first projection 16 and the second projection 17 of the present embodiment are engaged with the first groove 14 and the second groove 15 respectively, the first slope 18 and the second slope 19, and the first groove 14 and the first groove 14. It comprises a first locking portion 20 and a second locking portion 21 for locking the second groove 15 respectively.
The first protrusion 16 and the second protrusion 17 may not be all around, and may be intermittently provided. In the present embodiment, the second protrusion 17 is intermittently provided more than the first protrusion 16. It is done.

Next, usage modes and effects of the present embodiment will be described with reference to the drawings.
The container body A and the bottom lid B of this embodiment can be manufactured integrally by molding using a flexible synthetic resin such as polypropylene resin.
In the manufacture of the container body A, the cavity and the core on the opposite side of the undercut against the undercut based on the first groove 14 and the second groove 15 of the mounting cylinder 7 and the outer wall 6 at the time of mold release. Since the space can be provided first, the mounting cylindrical portion 7 and the outer wall portion 6 are easily deformed on the opposite side of the undercut, and the undercut forced punching can be performed.
Further, similarly to the undercut of the first groove portion 14 and the second groove portion 15 of the container main body A, the undercut of the first projection portion 16 and the second projection portion 17 of the bottom lid B is forcedly formed or Even when only one side of the undercuts of the first projection 16 and the second projection 17 of the bottom lid B is forcibly punched, since the fitting is performed at two places, the fitting portion is hardly detached.

Next, the bottom cover B is attached to the container body A as shown in FIG. 3 from the state shown in FIG.
When the outer end face of the outer cylinder 12 of the bottom cover B is brought into contact with the inner end face of the outer wall 6, and the bottom cover B is pushed up, the first groove 14 and the second groove 15 respectively The first slope portion 18 and the second slope portion 19 of the second protrusion 17 slide in and are further locked by the first locking portion 20 and the second locking portion 21 and the upper end surface of the outer cylindrical portion 12 is vertical. The lower fitting end of the rib 8 abuts, and the fitting of the first fitting a and the second fitting b between the bottom cover B and the container body A is completed.

In the present embodiment, since there are two fitting portions, the fitting between the bottom cover B and the container body A is strengthened more than in the case of one fitting portion.
Furthermore, even when an external force is applied to the container body A in the lateral direction, the groove direction of the fitting portion is provided in the opposite direction, so that even if one is deformed in the disengaging direction, the other is more strongly fitted Therefore, the fitting between the bottom cover B and the container body A does not come off.

  If the other place is not fitted but bonded by ultrasonic bonding or melt bonding, incidental facilities are required and there is a risk that the strength will be insufficient. By providing the portion, the fitting strength is also simply increased, and it is also possible to separate and separate the container body and the bottom lid without breaking it.

In the present embodiment, since the bottom wall 3 of the container main body A is a curved surface, the mounting cylindrical portion 7 is provided vertically on the inner wall 2, but the mounting cylindrical portion 7 is not essential. It is also possible to provide the groove portion 14.
In addition, it is also possible to vertically mount the mounting cylindrical portion 7 on the lower portion of the bottom wall portion 3.
In the present embodiment, the outer wall 6 is provided on the inner wall 2 via the flange 5, but if the outer wall 6 can be provided outside the inner wall 2, the flange 5 is not provided. May be

In the container with a bottom lid of the present invention, since the bottom lid is fitted to the container body at two places, the fitting is stronger than in the case of one fitting, and furthermore, the groove direction of the fitting part is provided reversely Therefore, the fitting does not come off even in the case of a lateral external force.
Further, by providing an outer wall outside the inner wall of the container main body, the container having both the usability by the inner wall and the decorativeness by the outer wall can be obtained, which is suitable as a cosmetic container such as a hairdressing agent and a cleansing agent. Available to

A Container body B Bottom lid C Cap a 1st fitting b 2nd fitting 1 seal portion 2 inner wall portion 3 bottom wall portion 4 screw portion 5 flange portion 6 outer wall portion 7 mounting tube portion 8 longitudinal rib 10 substrate portion 11 inner tube Part 12 Outer cylinder part 13 Reinforcing rib 14 1st groove part 15 2nd groove part 16 1st projection part 17 2nd projection part 18 1st slope part 19 2nd slope part 20 1st locking part 21 2nd locking part 30 Plate 31 Side wall 32 Threaded part

Claims (5)

A container with a bottom lid, comprising: a container body, a cap covering the upper portion of the container body, and a bottom lid attached to the lower portion of the container body,
The container body comprises an inner wall, a bottom wall disposed below the inner wall, and an outer wall provided outside the inner wall,
The bottom cover includes a substrate portion, an inner cylindrical portion erected on the upper surface of the substrate portion, and an outer cylindrical portion erected on the outer side of the inner cylindrical portion.
The container body has a first groove on the outer periphery of the lower portion of the inner wall and a second groove on the inner periphery of the lower portion of the outer wall, and the bottom lid has a first projection on the outer periphery of the inner cylinder, A second protrusion is provided on the outer peripheral side of the outer cylinder, and the first fitting by the first groove and the first protrusion and the second fitting by the second groove and the second fitting are engaged at two positions. The bottom lid is attached to the container body by allowing the bottom lid to be attached.   The outer cylinder part is provided at the edge of the substrate part, and when the bottom lid is attached to the container main body, the lower end face of the longitudinal rib provided on the inner peripheral side of the outer wall part is the upper end face of the outer cylinder part The container with a bottom lid according to claim 1, characterized in that it abuts.   The container with a bottom lid according to claim 1 or 2, wherein a mounting cylinder is provided on the lower part of the inner wall or bottom wall of the container body, and the first groove is provided on the mounting cylinder.   The container with a bottom lid according to any one of claims 1 to 3, wherein the positions in the height direction of the first fitting and the second fitting are vertically shifted.   The container with a bottom lid according to any one of claims 1 to 4, wherein a reinforcing rib is provided between the outer cylindrical portion and the substrate portion.

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