JP2017178391A - Container body - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a container body allowing a lid body to be easily removed.SOLUTION: A container body 2 is detachably attached with a lid body 3. The container body 2 is made of a resin, with an opening 2A covered with the lid body 3, and comprises: a bottom surface part 21; a side surface part 22 rising upward from a peripheral edge of the bottom surface part 21; a flange part 23 extending outward from the side surface part 22; and a square-frame-shaped rising side wall 24 rising from the flange part 23, and forming a side edge of the opening 2A above the side surface part 22. The rising side wall 24 is provided with body side engaging parts 24D at four corners, for engaging with respective lid body side engaging parts 34D disposed on the lid body 3. The side wall part 22 comprises: a pair of holding side surface parts 22A facing each other across the opening 2A, on sides to be held from outer sides; and a pair of non-holding side surface parts 22B facing each other across the opening 2A, inclined at an angle with respect to the pair of the holding side surface parts 22A. Each of the holding side surface parts 22A comprises a curved surface part 22C recessed inward.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a container body.

  2. Description of the Related Art Conventionally, a resin container having a rectangular shape in a plan view that contains food such as butter and margarine is known. Such a container is composed of a bottomed container body filled with food, and a celestial lid that can be opened and closed by opening and closing the outer periphery of the opening of the container body (for example, (See Patent Documents 1 and 2).

  As an engagement / disengagement structure of the container body and the lid body, an engagement claw part on the container body side protruding outward is formed at the corner part of the outer peripheral part of the container body, and the corner part of the inner peripheral part of the lid body is formed. In general, the engaging claw part on the lid side projecting inward is formed. Such an engaging claw portion is provided with a predetermined length along the circumferential direction.

  When the lid is removed from the container body and the opening is opened, the long side of the lid is gripped from the outside while the long side of the container is gripped, and a force is applied to the inside of the container body together. Then, the long side of the lid is distorted and at the same time the short side is deformed to spread outward, the corner of the lid is separated from the corner of the container body, and the lid and the container body are engaged with each other. The engagement of the claw portion is released.

Japanese Patent No. 554349 JP2013-52913A

  However, in conventional containers such as those described in Patent Documents 1 and 2, when a relatively hard solid material such as butter or margarine is stored in the container body, the container body is moved inward in the operation of removing the lid from the container body. In order to distort, a strong force is required, and it may be difficult to remove the lid from the container body.

  The objective of this invention is providing the container main body which can remove a cover body easily.

  The container body of the present invention is a resin-made container body in which a lid is detachably attached and an opening is covered by the lid, and a side surface erected upward from a peripheral edge of the bottom surface part And a flange portion extending outward from the side surface portion, and a rectangular frame-like rising side wall standing from the flange portion and forming the edge of the opening above the side surface portion. The four corners of the upright side wall are provided with main body side engaging portions that engage with and disengage from the lid side engaging portion provided on the lid body, and the side surface portions are opposed to each other with the opening therebetween. A pair of gripping side surfaces on the side to be gripped, and a pair of non-grip side surfaces sandwiching the opening and facing each other at an angle with respect to the gripping side surface, wherein the gripping side surface portions are recessed inward A curved surface portion is provided.

  According to the present invention, since the grip side surface portion of the container body is provided with the curved surface portion that is recessed inward, the flange portion of this portion can be widened in the extending direction, and the bending rigidity of the flange portion is reduced. be able to. For this reason, when removing the lid, the collar part is distorted with a weaker force than the rising side wall, and the container body can be distorted inward with a weak force, so the lid can be easily removed. .

  In the container main body of the present invention, it is preferable that the curved surface portion is provided from the upper end to the lower end of the grip side surface portion.

  According to the present invention, since the curved surface portion is provided from the upper end to the lower end of the grip side surface portion, it can be easily gripped when gripping the grip side surface portion from the bottom surface portion side.

The exploded perspective view showing the whole container concerning one embodiment of the present invention. The bottom view of a container main body. The side view of a container main body. IV-IV sectional drawing of FIG. The bottom view of the container main body which concerns on the modification of this invention.

Hereinafter, an embodiment of the present invention will be described with reference to the drawings.
FIG. 1 is an exploded perspective view showing the entire container 1 according to the present embodiment. 2 to 4 are a bottom view, a side view, and a cross-sectional view of the container main body 2.

[container]
In FIG. 1, a container 1 contains food such as butter and margarine, for example, and is an injection molded product of resin. The container 1 includes a bottomed container main body 2 having an opening 2A formed in the upper part thereof, and a lidded body 3 that is detachably attached to the container main body 2 and covers the opening 2A.

[Container body]
2 to 4, the container body 2 is continuous with the bottom surface portion 21, the side surface portion 22 erected upward from the periphery of the bottom surface portion 21, and the upper edge of the side surface portion 22 in the circumferential direction. A first collar 23 as a collar extending horizontally from the upper edge to the outside, and a vertical edge from the tip edge of the first collar 23, and the edge of the opening 2A A substantially rectangular frame-shaped rising side wall 24 to be formed, and a second flange 25 provided continuously in the circumferential direction at the lower end edge of the rising side wall 24 and extending horizontally from the lower end edge toward the outside. I have.

The side surface portion 22 has a substantially rectangular frame shape in plan view. The side surface portion 22 is opposed to the opening 2A and is opposed to the long side surface portion 22A as a pair of gripping side surface portions to be gripped from the outside, and the opening 2A is sandwiched between the long side surface portion 22A. A short side surface portion 22B as a pair of non-grip side surfaces facing each other is provided.
The long side surface portion 22A includes a curved surface portion 22C recessed inward. The curved surface portion 22C is provided at a substantially central portion in the circumferential direction of the long side surface portion 22A, and has a curved surface shape that protrudes inward along the circumferential direction. That is, the curved surface portion 22C has a curved shape that protrudes inward along the circumferential direction in a cross-sectional view, and the curved shape is from the upper end to the lower end (from the first flange portion 23 to the bottom surface portion 21) of the long side surface portion 22A. ).

The rising side wall 24 has a substantially rectangular frame shape in plan view. The rising side wall 24 includes an arc-shaped main body side corner portion 24A provided at four corners, a pair of main body side long side portions 24B facing each other across the opening 2A and gripped from the outside, and an opening 2A. A pair of main body side short side portions 24C sandwiching and opposing each other at substantially right angles to the main body side long side portion 24B are provided.
The main body side corner portion 24A includes a single main body side engaging portion 24D that protrudes outward and has a predetermined length in the circumferential direction. The main body side engaging portion 24D is provided by molding.

  The second flange portion 25 is provided continuously over the main body side corner portion 24A, the main body side long side portion 24B, and the main body side short side portion 24C. Such a second collar 25 is a part that supports the lid 3. In FIG. 1, the second flange 25 extends greatly over the main body side short side portion 24C and the main body side corner portions 24A on both sides thereof, and the thickness of the lid 3 at a position corresponding to the main body side long side portion 24B. Although it is drawn extending so as to be small, it may be formed with substantially the same extending length along the circumferential direction, for example.

[Lid]
The lid 3 is continuously provided in the circumferential direction on the top surface portion 31, a substantially square frame-shaped side surface portion 32 that is suspended downward from the periphery of the top surface portion 31, and the lower end edge of the side surface portion 32. A first flange 33 slightly extending horizontally from the edge toward the outside, and a substantially square that is suspended from the leading edge of the first flange 33 and is located outside the rising side wall 24 when attached to the container body 2 A frame-like hanging side wall 34 and a second flange 35 that is provided continuously at the lower end edge of the hanging side wall 34 in the circumferential direction and slightly extends horizontally from the lower end edge toward the outside.

The hanging side wall 34 has a substantially rectangular frame shape in plan view. The hanging side wall 34 is a lid side as a pair of gripping side sides facing the arcuate lid side corner 34A provided at the four corners with the opening 2A of the container body 2 sandwiched from the outside. A long side portion 34B and a pair of non-grip side portions 34C as a pair of non-grip side portions facing the lid side long side portion 34B with the opening 2A interposed therebetween are provided.
The lid-side corner portion 34A includes a single lid-side engagement portion 34D that protrudes inward and has a predetermined length in the circumferential direction and engages with and disengages from the main body-side engagement portion 24D. The lid side engaging portion 34D is provided by molding.

  The second flange 35 is provided continuously across the lid-side corner 34A, the lid-side long side 34B, and the lid-side short side 34C. Such a 2nd collar part 35 is contact | abutted to the 2nd collar part 25 of the container main body 2, and the cover body 3 is supported.

[Removing the lid]
When the lid 3 is removed from the container body 2 to open the opening 2A, the opposed lid-side long side portion 34B of the lid 3 is gripped from the outside, and the lid 3 is distorted inward to be deformed (FIG. 1). (See the white arrow in the middle and the two-dot chain line). At this time, the force applied to the lid 3 is transmitted from the lid-side long side portion 34B to the lid-side short side portion 34C. If it does so, the long side of the 1st collar part 23 of the container main body 2 will be distorted inside, and the cover body side short side part 34C of the cover 3 will be distorted so that it may spread outside. For this reason, the lid body side corner portion 34A of the lid body 3 is separated from the main body side corner portion 24A of the container body 2 to the outside, and the engagement portions 24D and 34D of the lid body 3 and the container body 2 are disengaged. The lid 3 is detached from the container body 2.

[Effect of the embodiment]
According to the present embodiment, since the long side surface portion 22A of the container body 2 includes the curved surface portion 22C that is recessed inward, the first flange portion 23 of this portion can be widened in the extending direction, The bending rigidity of the first flange 23 can be reduced. For this reason, when removing the lid 3, the first flange 23 is distorted with a weaker force than the rising side wall 24, and the container body 2 can be distorted inward with a weak force. Can be easily removed.
Further, since the long side surface portion 22A of the container body 2 includes the curved surface portion 22C, the container body 2 can be easily gripped by the curved surface portion 22C.

  Further, since the curved surface portion 22C is provided from the upper end to the lower end of the long side surface portion 22A, the long side surface portion 22A can be easily grasped when grasping from the bottom surface portion 21 side.

[Modification]
The present invention is not limited to the above-described embodiment, and modifications and the like within a scope that can achieve the object of the present invention are included in the present invention.
For example, the container body 2 may include a plurality of curved surface portions 22C. In this case, the curved surface portion 22C may be provided on both sides of the central portion of the long side surface portion 22A as shown in FIG. Further, three or more curved surface portions 22C may be provided on the side surface portion 22.

  A plurality of main body side engaging portions 24D and lid body side engaging portions 34D may be provided in the main body side corner portion 24A and the lid body side corner portion 34A.

  The side portion 22, the rising side wall 24, and the hanging side wall 34 may have a square frame shape instead of a rectangular frame shape in plan view. Even in the case of the rectangular frame shape, the gripped side is the short side surface portion 22B, the main body side short side portion 24C, and the lid side short side portion 34C, and the non-grip side is the long side surface portion 22A. It is good also as the side part 24B and the cover body side long side part 34B.

  The present invention can be suitably used as a container for storing food such as butter and margarine.

  DESCRIPTION OF SYMBOLS 1 ... Container, 2 ... Container main body, 2A ... Opening, 3 ... Cover, 21 ... Bottom surface part, 22 ... Side surface part, 22A ... Long side surface part (gripping side surface part), 22B ... Short side surface part (non-gripping side surface) Part), 22C ... curved surface part, 23 ... first collar part (saddle part), 24 ... upright side wall, 24D ... main body side engaging part, 34 ... hanging side wall, 34A ... lid side corner part, 34B ... lid side length Side part, 34C ... lid side short side part, 34D ... lid side engaging part.

Claims (2)

A lid body detachably attached, and a resin container body whose opening is covered by the lid body,
The bottom,
A side surface erected upward from the periphery of the bottom surface,
A flange extending outward from the side surface,
A quadrangular frame-like rising side wall that is erected from the flange and forms the edge of the opening above the side surface;
At the four corners of the rising side wall, there are provided main body side engaging portions that engage with and disengage from the lid side engaging portions provided on the lid body,
The side portion is
A pair of gripping side surfaces facing each other across the opening and gripped from the outside;
A pair of non-grip side portions sandwiching the opening and facing each other at an angle with respect to the grip side surface portion,
The container main body characterized in that the grip side surface portion includes a curved surface portion recessed inward. The container body according to claim 1,
The container body, wherein the curved surface portion is provided from an upper end to a lower end of the grip side surface portion.

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