JP4011681B2 - container - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a container having an improved lid opening / closing structure and airtightness.
[0002]
[Prior art]
Conventionally, as a container for storing wet paper or the like, as described in JP-A-9-39996, a container main body having an opening formed on a flexible top surface portion, and a hinge on the top surface portion of the container main body are rotated by a hinge. A lid that is movably coupled to cover the opening; an elastic body that is disposed in the vicinity of the hinge in the top surface portion of the container body and the lid, and that allows the lid to be fully opened by an elastic restoring force; and A locking mechanism provided on the container body and the lid, and locking each other when the lid is closed to keep the lid in the closed position, and the top surface portion of the container body is pressed There is one configured so that the locking action of the locking mechanism portion can be released by bending deformation of the container body. According to this container, the container can be fully opened immediately by placing the container on the floor or on a desk and pressing the top surface of the container body with one hand, and the container body from the opening on the top surface with one hand. The contents of can be taken out.
[0003]
[Problems to be solved by the invention]
However, the prior art has the following problems.
(1) The sealing property when the container is closed is not sufficient because the seal ring provided on the inner surface of the lid is simply abutted against the seal ring provided around the opening in the top surface of the container body.
[0004]
(2) The hinge for coupling the lid to the container body is to insert a hinge pin provided on the lid into a hinge hole provided in the container body, and the hinge hole of the container body penetrates the container body. . Accordingly, the through hinge hole of the container body impairs the sealing performance when the container is closed.
[0005]
(3) Due to the above (1) and (2), when the container is not tightly sealed when the container is closed, the container contents, for example, wet paper impregnating agent, contains volatile substances such as ethanol. In this case, the components of the contents are easily volatilized.
[0006]
The subject of this invention is improving the airtightness at the time of lid closing in a container.
[0007]
[Means for Solving the Problems]
The present invention according to claim 1 is a container main body having an opening formed on the top surface, a lid that is pivotally coupled to the top surface of the container main body by a hinge and covers the opening, and the container main body Provided in the vicinity of the hinge on the top surface portion of the lid and the lid, provided on an elastic body capable of fully opening the lid by elastic restoring force, the container body and the lid, and engaged with each other when the lid is closed. A locking mechanism portion that stops and holds the lid in the closed position, and includes a ring-shaped first seal portion around the opening in the top surface portion of the container body, A portion corresponding to the first seal portion on the inner surface of the lid is provided with a ring-shaped second seal portion that is in close contact with the first seal portion when the lid is closed, and at least of the first seal portion and the second seal portion on the other hand, an elastic packing provided on the ring groove provided, the cover A hinge coupled to the container body is configured by inserting a hinge pin provided on the lid into a hinge hole provided in the container body, and the hinge hole provided in the container body is formed in a concave shape in the container body so as not to penetrate the container body. It has been made to be.
[0014]
DETAILED DESCRIPTION OF THE INVENTION
FIG. 1 is a perspective view showing a container, FIG. 2 is a cross-sectional view showing a closed state of the container, FIG. 3 is a cross-sectional view showing a closed state of the container, and FIG. 4 is a schematic view showing a separated state of the container body and the lid. FIG. 5 is a sectional view taken along the line VI-VI in FIG. 4, and FIG. 6 is a schematic diagram showing a modification.
[0015]
The container 10 is a container for storing contents such as wet paper impregnated with a liquid (for example, water or a chemical solution) according to the purpose of use, and has a container main body 11 and a lid 12 as shown in FIGS. is doing.
[0016]
The container body 11 includes a box 13 that can store contents such as wet paper, and an inner lid 14 that is fitted to the upper edge of the box 13. And the container main body 11 forms the through-hole 16 as an opening part in the seal ring 15 (1st seal part) provided in 14 A of top | upper surface parts of the inner lid 14, From this through-hole 16, the inside of the box 13 is formed. The contents can be taken out. The inner lid 14 is composed of a flexible plastic for the entire top surface portion 14A and side surface portion 14B.
[0017]
The lid 12 is rotatably coupled to the top surface portion 14 </ b> A of the inner lid 14 constituting the container body 11 via a hinge 20 and covers the through-hole 16 of the container body 11.
[0018]
The lid 12 is provided with an inner ring 21 and an outer ring 22 on the inner surface thereof, and as shown in FIG. 3, a small ring 21A is provided on the inner peripheral side of the inner ring 21, and between the inner ring 21 and the small ring 21A. An elastic packing 24 is attached to the ring groove 23. The elastic packing 24 provided on the lid 12 corresponds to the seal ring 15 provided on the inner lid 14, and seals the through-hole 16 in close contact with the seal ring 15 when the lid 12 is closed. When the lid 12 is closed, the outer ring 22 of the lid 12 abuts against the top surface portion 14 </ b> A of the inner lid 14. By sealing the through-opening 16, the components of the contents of the container body 11 are prevented from evaporating and the wet state is maintained. The elastic packing 24 can employ an O-ring made of, for example, silicone rubber.
[0019]
The hinge 20 that couples the lid 12 to the inner lid 14 of the container body 11 is configured by loosely fitting a pair of hinge pins 20A provided on the lid 12 into a pair of hinge holes 20B provided on the top surface portion 14A of the inner lid 14. Indirect joint hinge. At this time, as shown in FIGS. 4 and 5, the hinge hole 20 </ b> B provided in the inner lid 14 of the container body 11 is formed in a concave shape in the inner lid 14 and is not penetrated through the inner lid 14.
[0020]
A rubber-like elastic body 30 is disposed in the vicinity of the top surface portion 14 </ b> A of the inner lid 14 constituting the container body 11 and the hinge 20 in the lid 12. The rubber-like elastic body 30 is elastically deformed between the inner lid 14 and the lid 12 when the lid 12 is closed, and the lid 12 can be fully opened by this elastic restoring force.
[0021]
The rubber-like elastic body 30 has an L shape in which one end portion and the other end portion are intersected at right angles and integrated (FIG. 2), and the one end portion is fitted into a fitting recess 31 provided on the back surface of the lid 12. The other end portion is set so as to abut on the top surface portion 14 </ b> A of the inner lid 14 in the fully opened state of the lid 12.
[0022]
The rubber-like elastic body 30 is composed of rubber, elastomer, or the like (for example, methyl vinyl raw rubber synthesized by Shin-Etsu Chemical KE951U as the bound and C-8 manufactured by the company as the vulcanizing agent).
[0023]
A locking recess 41 is provided on the outer surface of the inner lid 14 constituting the container body 11 opposite to the hinge 20 of the seal ring 15, and the locking recess 41 is formed on the inner surface of the inner ring 21 of the lid 12 when the lid is closed. A locking projection 43 that locks to 41 is provided. The locking concave portion 41 and the locking convex portion 43 form a locking mechanism portion and are locked to each other when the lid 12 is closed, and the lid 12 is closed against the elastic restoring force of the rubber-like elastic body 30. Keep on.
[0024]
The locking action of the locking concave portion 41 on the inner lid 14 side and the locking convex portion 43 on the lid 12 side is such that the top surface portion 14 </ b> A of the inner lid 14 constituting the container body 11 is pressed. It is released by bending deformation. That is, when the top surface portion 14A of the inner lid 14 is pressed by the pressing force F, the seal ring 15 connected to the top surface portion 14A is bent and deformed, which causes the seal ring 15 to warp inward of the box, and the seal ring 15 The locking recess 41 is disengaged from the locking projection 43 of the lid 12.
[0025]
Note that embosses 50A and 50B as pressing designation portions are integrally formed on both sides of the top surface portion 14A of the inner lid 14 constituting the container main body 11 to which the lid 12 is attached. The embosses 50 </ b> A and 50 </ b> B are provided at positions where the pressing deformation of the top surface portion 14 </ b> A is most easily transmitted to the locking recess 41 of the seal ring 15.
[0026]
Accordingly, the container 10 is used as follows.
When the lid 12 is closed, the rubber-like elastic body 30 elastically deformed with the lid 12 being closed by the locking action of the locking concave portion 41 on the inner lid 14 side and the locking convex portion 43 on the lid 12 side. The lid 12 is kept closed against the elastic restoring force of FIG. 3 (FIG. 3).
[0027]
When the lid 12 is opened, when the embosses 50A and 50B of the inner lid 14 are pressed, the locking action between the locking recess 41 on the inner lid 14 side and the locking projection 43 on the lid 12 side is released as described above. Is done. Thereby, the elastic restoring force of the rubber-like elastic body 30 presses the inner surface of the lid 12 and opens the lid 12 until it is fully opened (FIG. 2).
[0028]
Therefore, according to the present embodiment, there are the following effects (1) to (3).
(1) When the container 10 is closed, a ring-shaped first seal portion (seal ring 15) provided around the through-hole 16 in the top surface portion 14A of the container main body 11 and a ring-shape provided on the inner surface of the lid 12 When the second seal portion (inner ring 21) is brought into close contact, the elastic packing 24 is provided on at least one of the first seal portion and the second seal portion. Therefore, the sealing performance of the first seal portion and the second seal portion can be improved, and the sealing performance when the container 10 is closed can be improved.
[0029]
(2) When the hinge pin 20A provided on the lid 12 was fitted into the hinge hole 20B provided on the container body 11, the hinge hole 20B of the container body 11 was not penetrated into the container body 11. Therefore, the hinge hole 20B of the container main body 11 does not impair the sealing property when the container 10 is closed, and the sealing property can be improved.
[0030]
Due to the above (1) and (2), the container 10 is sufficiently sealed when the lid is closed, and the contents of the container 10, for example, a wet paper impregnating agent, also contains a volatile substance such as ethanol. , Volatilization of contents can be suppressed.
[0031]
(3) When the flexible top surface portion 14A of the container body 11 is pressed in the closed state of the lid 12 where the elastic restoring force of the rubber-like elastic body 30 acts on the lid 12, a seal connected to the top surface portion 14A. Since the locking action of the locking mechanism portion (the locking concave portion 41 on the inner lid 14 side and the locking convex portion 43 on the lid 12 side) is released by the bending deformation of the ring 15, at this time, the rubber-like elastic body The lid 12 is fully opened by the elastic restoring force of 30, and the through hole 16 of the top surface portion 14A is opened. Therefore, the lid 12 can be fully opened immediately by placing the container 10 on the floor or a desk and pressing the top surface portion 14A of the container body 11 with one hand, and the through-hole 16 of the top surface portion 14A can be opened with one hand. The contents of the container body 11 can be taken out of the container.
[0032]
In the above embodiment, the case where the elastic packing 24 is provided on the inner ring 21 side as the second seal portion has been described. However, in the present invention, as shown in FIG. 6, the seal ring 15 as the first seal portion is provided. A small ring 15A may be provided on the outer side, and the elastic packing 26 may be attached to the ring groove 25 between the seal ring 15 and the small ring 15A. In the present invention, in FIG. 6, the elastic packing 24 on the inner ring 21 side may be removed, and only the elastic packing 26 on the seal ring 15 side may be provided.
[0033]
The embodiment of the present invention has been described in detail with reference to the drawings. However, the specific configuration of the present invention is not limited to this embodiment, and even if there is a design change or the like without departing from the gist of the present invention. It is included in the present invention. For example, the elastic packing 24 is not limited to an O-ring but may be a flat packing, and is not limited to a silicone rubber, but may be a butyl rubber or a thermoplastic elastomer.
[0034]
Further, it is sufficient that at least one of the first seal portion and the second seal portion is provided with an elastic packing, and the first seal portion on the container body side is provided with the elastic packing, or the first seal portion and the lid on the container body side. An elastic packing may be provided on both of the second seal portions on the side.
[0035]
Further, when the container body 11 is constituted by the box body 13 and the inner lid 14, the lid 12 may be coupled to the box body 13 via a hinge. Further, the container main body 11 may be constituted only by the box 13.
[0036]
Further, other elastic bodies can be used in place of the rubber-like elastic bodies. However, since the rubber-like elastic body is not made of metal such as a leaf spring, it does not corrode, so that rust is not mixed into the contents in the container body. Further, since the restoring force of the rubber-like elastic body is not excessive like a leaf spring or the like, the lid can be opened gently at an appropriate speed.
[0037]
【The invention's effect】
As described above, according to the present invention, it is possible to improve the airtightness of the container when the lid is closed.
[Brief description of the drawings]
FIG. 1 is a perspective view showing a container.
FIG. 2 is a cross-sectional view showing a state in which the container is opened.
FIG. 3 is a cross-sectional view showing a closed state of the container.
FIG. 4 is a schematic view showing a separated state of the container body and the lid.
5 is a cross-sectional view taken along the line VI-VI in FIG. 4;
FIG. 6 is a schematic diagram showing a modification.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 10 Container 11 Container main body 12 Cover 14A Top surface part 14B Side surface part 15 Seal ring (1st seal part)
16 Through hole (opening)
20 Hinge 20A Hinge pin 20B Hinge hole 21 Inner ring (second seal part)
24, 26 Elastic packing 30 Rubber elastic body 41 Locking recess (locking mechanism)
43 Locking projection (locking mechanism)

Claims (2)

A container body with an opening formed on the top surface,
A lid that is pivotally coupled to the top surface of the container body by a hinge and covers the opening;
An elastic body disposed near the hinge in the top surface portion of the container body and the lid, and capable of fully opening the lid by elastic restoring force;
A container provided on the container body and the lid, and having a locking mechanism portion that locks the lid to each other when the lid is closed and holds the lid in the closed position;
With a ring-shaped first seal part around the opening in the top surface part of the container body,
A portion corresponding to the first seal portion on the inner surface of the lid includes a ring-shaped second seal portion that is in close contact with the first seal portion when the lid is closed,
An elastic packing is provided in a ring groove provided in at least one of the first seal part and the second seal part ,
A hinge for coupling the lid to the container body is configured by fitting a hinge pin provided on the lid into a hinge hole provided in the container body, and the hinge hole provided in the container body is formed in a concave shape in the container body. A container made non-penetrating . The container body is flexible, the bending deformation of the container body due to the top portion is pressed in the container body, the locking mechanism of the locking action releasably constructed according Item 1. A container according to Item 1 .

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