JP2002002748A - Airtight container - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an airtight container which improves the sealability by an inner lid by applying the closing force of an outer lid to the inner lid while facilitating the attachment/detachment of the outer lid, and allowing the inner lid to be uniformly set in over the whole circumference when applying the closing force of the outer lid. SOLUTION: An engagement part 30 which is engaged by the push-in of the outer lid in the closing direction to maintain the closed condition of the outer lid is provided between the outer lid 13 and a container body 11. An inclined surface 14 inclined in the direction that the outer lid is lifted in the center direction of the container body is formed at the position of the container body corresponding to a lower end of the outer lid in the closed condition. When the outer lid is detached, the lower end of the outer lid is deflected in the center direction of the container body to guide the lower end along the inclined surface. A closing force applying mechanism 33 to press the inner lid in the sealing direction by applying the closing force to the outer lid in the closed condition is provided between the outer lid and the inner lid 12. A hinge position varying mechanism 21 for permitting the movement of the inner lid in the sealing direction of the inner lid by the closing force of the outer lid is provided on a hinge 18 of the inner lid.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION The present invention relates to a container for storing a container body, which is closed by an inner lid which is opened and closed via a hinge, and further provided with an outer lid so as to surround the inner lid. Relates to an airtight container fitted to the outer periphery of the container body.

[0002]

2. Description of the Related Art As an airtight container with an inner lid of this kind, there is a cosmetic compact disclosed in, for example, Utility Model Registration No. 2523785. This cosmetic compact includes a container body provided with a storage portion for cosmetics, an inner lid that covers the upper side of the storage portion, and an outer lid that surrounds and further covers the inner lid,
By screwing the outer lid to the container body and closing it, the closing force by this screwing is applied to the inner lid to enhance the tightness of the storage section by the inner lid. Also,
The inner lid is hinged to the container body via a hinge so as to be openable and closable.

[0003]

However, in the cosmetic compact described above, the hinge for hingedly attaching the inner lid to the container main body is formed by cutting out the upper end of the peripheral portion of the container main body, and the hinge pin extends across both sides of the cutout. On the other hand, a holding portion is protruded outward from the peripheral edge of the inner lid, and the holding portion is fitted and supported on a hinge pin, and the inner lid is formed around the hinge pin. It is turned. At this time, the holding portion is positioned by the hinge pin, and even when the closing force of the outer lid is applied and the inner lid is pressed against the storage portion of the container body,
The inner lid is pushed down only on the side opposite to the hinge side of the inner lid with the hinge pin as the center. For this reason, even if the inner lid is provided with a skirt strip valve at the peripheral edge that closes the storage portion, the pressed state is uneven and the sealing performance is reduced.

[0004] The closing force acting on the inner lid is generated by rotating the outer lid through a threaded portion formed between the outer lid and the container body. For this reason, in order to apply a predetermined closing force to the inner lid, the outer lid is largely rotated,
In other words, it is necessary to increase the rotation angle of the outer lid, and when removing the outer lid, it is necessary to largely rotate the outer lid in the reverse direction, which makes the attaching / detaching operation of the outer lid complicated. there were.

Accordingly, the present invention has been made in view of the above-mentioned conventional problems, and makes it easy to attach and detach the outer lid while applying the closing force of the outer lid to the inner lid. Another object of the present invention is to provide an airtight container in which the inner lid sinks evenly over the entire circumference thereof so as to enhance the tightness of the inner lid.

[0006]

According to a first aspect of the present invention, there is provided a container body, an inner lid hinged to the container body via a hinge so as to be openable and closable, and In an airtight container having an outer lid fitted around the outer periphery of the container body while surrounding the lid, the outer lid is engaged with the outer lid by pushing in the closing direction of the outer lid so that the outer lid is closed. An engaging portion for maintaining the closed state is provided, and an inclined surface is formed in a portion of the container body corresponding to a lower end portion of the outer lid in the closed state, the inclined surface being inclined in a direction to lift the outer lid toward the center direction of the container main body. When the outer lid is removed, the lower end of the outer lid is bent and deformed toward the center of the container body, and the lower end is guided by the inclined surface. While the engagement is released, a closed state is provided between the outer lid and the inner lid. A closing force applying mechanism that applies a closing force of an outer lid to the inner lid and presses the inner lid in the sealing direction is provided, and the hinge is provided on the hinge in a sealing direction of the inner lid by the closing force of the outer lid. A hinge position movable mechanism that allows movement of the inner lid is provided.

According to this structure, since the hinge for hingedly attaching the inner lid to the container body side is provided with a hinge position movable mechanism, the inner lid is opened when the closing force of the outer lid is applied to the inner lid. It can be pushed down as a whole, and as a result, the tightness of the inner lid is improved. Further, an engaging portion is provided between the outer lid and the container main body, and the outer lid is pushed in the closing direction so that the engaging portion is engaged and the closed state is maintained. Can be closed. On the other hand, when removing the outer lid, the engagement of the engaging portion can be released only by bending the outer lid toward the center of the container body by pressing the lower end of the outer lid or the like. , One-touch removal is possible.

[0008] A second structure of the present invention comprises a container body, an inner lid hinged to the container body via a hinge so as to be openable and closable, and an outer periphery of the container body surrounding the inner lid. In an airtight container having an outer lid to be fitted, an engagement portion is provided between the outer lid and the container body, the engagement portion being engaged by being pushed in the closing direction of the outer lid to maintain the closed state of the outer lid, A plurality of concave / convex portions having an inclined surface inclined in a direction of lifting the outer lid along the circumferential direction of the container main body are formed between the lower end portion of the closed outer lid and a portion of the container main body opposed thereto. When the outer lid is removed, the outer lid is lifted to release the engagement of the engaging portion by rotating the outer lid with respect to the container body to relatively move the concave-convex portion, thereby releasing the engagement of the engaging portion. The closing force of the closed outer lid is applied to the inner lid between the lid and the inner lid to Provided with a closure force applying mechanism for pressing the inner lid in a closed direction, the said hinge, providing a hinge position moving mechanism that allows the movement of the inner lid in the closed direction of the inner lid by closing force of the outer cap.

According to this configuration, the hinge position movable mechanism is provided on the hinge for hingedly attaching the inner lid to the container body side, similarly to the first configuration, so that the closing force of the outer lid is added. Thereby, the inner lid is pushed down as a whole, and the tightness of the inner lid is improved. Further, the outer lid can be closed with one touch by the engaging portion provided between the outer lid and the container body. On the other hand, when removing the outer lid, by rotating the outer lid with respect to the container main body, the outer lid can be lifted by the concave and convex portions to release the engagement of the engaging portion. At this time, since a plurality of the concave and convex portions are provided in the circumferential direction of the container body, the amount of rotation when removing the outer lid is small, and the operation of removing the outer lid can be simplified.

[0010]

Embodiments of the present invention will be described below in detail with reference to the accompanying drawings. 1 to 5 show a first embodiment of an airtight container according to the present invention. FIG. 1 is an exploded perspective view showing a main part in section, FIG. 2 is a longitudinal sectional view in a closed state, and FIG. FIG. 4 is a vertical cross-sectional view of the stage, FIG. 4 is a vertical cross-sectional view of the opened state of the inner lid, and FIG.

The airtight container 10 of the present embodiment comprises a container body 1
1, an inner lid 12 hinged to the container body 11 via a hinge 18 so as to be openable and closable, and an outer lid 13 fitted around the outer periphery of the container body 11 while surrounding the inner lid 12. And
When the outer lid 13 is closed, the hermeticity of the container main body 11 by the inner lid 12 is enhanced, and the outer lid 13 is easily attached and detached. And an engaging portion 30 that is engaged by pushing the outer lid 13 in the closing direction to maintain the closed state of the outer lid 13, and the container body 11 corresponding to the lower end of the outer lid 13 in the closed state. Is formed at an inclined surface 14 which is inclined in a direction of lifting the outer lid 13 toward the center direction of the container body 11. When the outer lid 13 is removed, the lower end of the outer cover 13 is moved toward the center of the container body 11. The outer lid 13 is lifted to release the engagement of the engaging portion 30 by being bent and deformed to guide the lower end portion to the inclined surface 14, and the outer lid 13 and the inner lid 12 are disengaged. Between the outer lid 13 in the closed state A closing force applying mechanism 33 for applying a closing force to the inner lid 12 to press the inner lid 12 in the sealing direction is provided, and the hinge 18 is provided in the closing direction of the inner lid 12 by the closing force of the outer lid 13. Is to provide a hinge position movable mechanism 21 that allows the inner lid 12 to move.

That is, the airtight container 10 of the present embodiment is shown as an example in which the container is configured as a portable cosmetic container as shown in FIGS. The container body 11 includes a container body 11 in which a portion 11a is formed, an inner lid 12 that covers an opening of the storage portion 11a, and an outer lid 13 that is screwed to the outer periphery of the container body 11 while surrounding the inner lid 12. , As a so-called jar type container.

The container main body 11 is formed in a circular shape, and its peripheral edge is provided with an inner wall 11b constituting the inner periphery of the storage portion 11a, and the outer wall 11c is turned down from the upper end of the inner wall 11b so that the outer wall 11c is suspended. The inner wall 11b and the outer wall 11c form a double wall structure. At this time,
The upper end of the inner wall 11b is formed slightly higher than the folded portion to the outer wall 11c, and the inner lid 12 abuts on the raised upper end of the inner wall 11b to seal the inside of the storage portion 11a. Further, the outer wall 11c is formed higher than the inner wall 11b, and the inner lid 12 is fitted into the raised inner wall.

The lower end of the outer wall 11c is an enlarged diameter portion 11d which bulges outward, and the step at the upper end thereof is directed upward toward the center of the container body 11, that is, in the direction in which the outer lid 13 is lifted. An inclined surface 14 that is inclined upward is formed.
A groove 15 having a predetermined width is formed in a part of the outer wall 11c in a generatrix direction of the outer wall 11c (a vertical direction in the drawing).

The inner lid 12 is formed in a circular shape following the shape of the opening of the storage portion 11a, and an annular seat 12a is formed at the peripheral edge of the upper surface so as to protrude obliquely outward to a thick wall. On the lower surface, a circular concave portion 12b slightly larger in diameter than the inner wall 11b of the container body 11 is formed.
The packing 16 is fitted and fixed in b. Also,
When the inner lid 12 is in a closed state, the inner lid 12 extends along the generatrix direction of the outer wall 11c.
An extension piece 17 that is suspended in a direction substantially perpendicular to the projection 2 is integrally formed with the extension piece 17, and the extension piece 17 is disposed in the groove 15. The distal end (the lower end in the figure) of the extension piece 17 inserted into the groove 15 is located at the enlarged diameter portion 11d, and a hinge 18 is formed at this portion.

The hinge 18 includes a hinge pin 19 which is attached across both sides of the groove 15, and a pivot portion 20 which is formed at the tip of the extension piece 17 and which is attached to the hinge pin 19 so as to be rotatable. Composed of The pivoting portion 20 is formed in a forked shape having a lower end portion opened, and the hinge portion 19 is clamped between the forked portions so that the hinge pin 19 can be mounted. A slide portion 21 as a movable hinge position movable mechanism is formed. That is, the slide portion 21 is formed as a long groove extending in the closing direction of the inner lid 12 (vertical direction in the drawing). Further, a split groove 22 is formed in the inner part of the slide portion 21, and the split groove 22 facilitates the expansion of the forked portion when the turning portion 20 is inserted into the hinge pin 19.

The outer lid 13 is formed in a reverse U-shaped section in which a peripheral wall 13b smoothly hangs down from the peripheral edge of the circular top plate 13a with a predetermined curvature, and the peripheral wall 13b is connected to the outer wall 11c.
Is fitted to the outer periphery of An engaging portion 30 for maintaining the closed state of the outer lid 13 is provided between the peripheral wall 13b and the outer wall 11c. The engagement portion 30 includes an annular first engagement protrusion 31 protruding from an outer periphery of an upper end portion of the outer wall 11c, and an outer peripheral wall 1c.
And a second engaging projection 32 projecting from the inner periphery of the outer cover 3b and divided in the circumferential direction to form a plurality of second engaging projections 32. When the outer lid 13 is closed, the closing force F1 in the pushing direction is pressed from above. When actuated, the second engagement projection 32 rides over the first engagement projection 31 and is engaged with the lower side of the first engagement projection 31. In this engaged state, the closed state is maintained without the outer lid 13 being easily detached.

On the inner periphery of the upper end of the peripheral wall 13b, a convex portion 33 is formed as a closing force applying mechanism.
3 is an upper surface of the annular seat 12a of the middle lid 12 when the second engagement projection 32 of the engagement portion 30 passes over the first engagement projection 31 when the outer lid 13 is fitted to the container body 11. Is to be abutted. At this time, the protrusions 33 may be formed in an annular shape that is continuous in the circumferential direction, or may be formed at a plurality of locations at appropriate intervals in the circumferential direction. When the outer lid 13 is in the closed state, the lower end of the peripheral wall 13b comes into contact with the inclined surface 14 of the outer wall 11c. The outer wall 13 is formed of a hard synthetic resin or the like that can be deformed with a relatively large force. By molding such a hard material, the outer shape of the outer wall 13 is excellent in overall shape retention, while the lower end of the peripheral wall 13b is formed by hand. , The lower end of the peripheral wall 13b bends and deforms in the direction in which the load acts.

When the outer lid 13 is closed as described above, a space S is formed between the outer lid 13 and the inner lid 12.
Is formed, and the puff 34 is stored in the space S. As shown in FIG. 4, a plurality of the protrusions 33 are formed at predetermined intervals in the circumferential direction. However, the protrusions 33 are formed in an annular shape continuously in the circumferential direction without providing the protrusions 33 partially. You can also.

Therefore, in the airtight container 10 of the present embodiment having the above-described structure, the storage portion 11a of the container body 11 storing the cosmetics is normally opened by the inner lid 12 as shown in FIG. It is closed and its periphery is further covered with an outer lid 13. When using the cosmetic in the storage section 11a, first, the outer lid 1 is used.
After removing the inner lid 3, the inner lid 12 is opened. The outer lid 13 is removed by hand or the like by moving the lower end of the peripheral wall 13b of the outer lid 13 toward the center of the container body 11 as shown in FIG. When the pressing force F2 acts to bend, the lower end of the peripheral wall 13b moves along the inclined surface 14 of the container body 11, and
The outer lid 13 will be lifted as a whole. Then, by the upward lifting force of the outer lid 13, the second engagement projection 32 rides over the first engagement projection 31, and the engagement section 30 is disengaged.

When the engagement portion 30 is released from the engagement, the outer lid 13 is removed from the container body 11 as shown in FIG. Thereafter, by opening the inner lid 12 with the hinge 18 as the center, the cosmetic in the storage portion 11a is exposed, and the cosmetic can be applied to the puff 34 and applied to the face.

Next, when the makeup is completed and the airtight container 10 is to be closed, the inner lid 12 is closed, and then the outer lid 1 is placed thereon.
3 is fitted to the outer periphery of the outer wall 11c of the container body 11, and a closing force F1 in the pushing direction is applied to the outer lid 13, whereby the engaging portion 30 is engaged and the closed state of the outer lid 13 is changed. Will be maintained. At this time, the projection 33 of the outer lid 13 abuts on the upper surface of the annular seat 12a of the inner lid 12 while the engagement portion 30 is engaged, and from this state until the engagement portion 30 is completely engaged. When the outer lid 13 is pushed in, the closing force F1 at this time is
Is input from the annular seat 12a to the peripheral portion of the inner lid 12, whereby the packing 16 is pressed against the upper end of the inner wall 11b of the container body 11.

When the closing force of the outer lid 13 is applied to the inner lid 12 in this manner, in this embodiment, the hinge 18 of the inner lid 12 is used.
Is provided with the sliding portion 21, the closing force F
When 1 is added, the inner lid 12 can be pushed down together with the extension piece 17. That is, when the inner lid 12 is simply closed as shown in FIG. 5A, the packing 16 is lightly abutted on the upper end of the inner wall 11b, and the rotating portion 20 of the hinge 18 is And are located relatively upward. Then, when the closing force F1 of the outer lid 13 is input to the inner lid 12, as shown in FIG. 5B, the rotating part 20 slides the sliding part 21 smoothly against the hinge pin 19. To move downward, the inner lid 12 will be pushed down entirely. For this reason, the packing 16 is evenly pressed against the upper end of the inner wall 11b over the entire periphery thereof, thereby improving the sealing performance.
The airtightness of 1a is significantly improved.

Therefore, the storage portion 11a is sealed by the packing 16, so that the storage contents of the storage portion 11a,
That is, in the present embodiment, the cosmetic can be prevented from being volatilized and its deterioration can be prevented. Furthermore, since there is no contact of the packing 16, the durability of the packing 16 itself can be improved.

As described above, in the present embodiment, the inner lid 12 is used.
In the case where the hermeticity of the storage portion 11a is improved, the engagement portion 30 is provided between the outer lid 13 and the container body 11,
Since the engaging portion 30 is engaged by pushing the outer lid 13 in the closing direction, the outer lid 13 can be closed with one touch. On the other hand, when the outer cover 13 is removed, the engaging portion 30 can be disengaged only by pressing the lower end portion of the outer cover 13 to bend and deform in the center direction of the main body 11. One-touch removal is possible, and attachment and detachment of the outer lid 13 is significantly simplified.

In the present embodiment, the hinge 18
Is composed of a hinge pin 19 and a rotating part 20, and a space for disposing the hinge 18 is required.
Is extended by an extension piece 17 integrally projecting from the inner lid 12,
It is arranged at the enlarged diameter portion 11d of the container body 11. That is, since the enlarged diameter portion 11d is formed on the outer periphery of the bottom of the container body 11 and is located outside the fitting portion of the outer cover 13, the hinge 18 interferes with the fitting portion of the outer cover 13 in position. Can be avoided. Therefore, the outer lid 1
A large space for providing the hinge 18 is not required between the container 3 and the container body 11, and the outer diameter of the outer lid 13 can be reduced to make the airtight container 10 compact as a whole. . Particularly, in this embodiment, since the extension piece 17 is disposed in the groove 15 formed in the outer wall 11c, the extension piece 17 moves up and down and the outer lid 13
There is no hindrance to the installation.

FIGS. 6 to 9 show a second embodiment of the present invention, in which the same components as those in the above embodiment are denoted by the same reference numerals and will not be described. In this case, FIG. 6 is an exploded perspective view showing a cross section of a main part, FIG. 7 is a longitudinal sectional view in a closed state, FIG. 8 is a longitudinal sectional view in an opened state of a middle lid, and FIG. It is operation | movement explanatory drawing of FIG.

That is, the airtight container 10a of this embodiment is
In the case where it is configured as a portable cosmetic container as in the first embodiment, the container main body 11 in which the storage portion 11a is formed as shown in FIGS. 6 and 7 and the opening of the storage portion 11a are covered. An inner lid 12 and a container body 11 surrounding the inner lid 12
An outer lid 13 screwed to the outer periphery of the first embodiment is mainly different from the first embodiment in a structure in which the outer lid 13 is removed.

That is, in the detaching structure of the first embodiment, the outer lid 1 is attached to the container body 11 toward the center thereof.
3 is formed so as to be inclined in the direction in which the outer cover 13 is lifted, and the lower end thereof is moved along the inclined surface 14 while bending the peripheral wall 13b when the outer lid 13 is removed. In the second embodiment, The container body 1 is positioned between the lower end of the outer lid 13 in the closed state and a portion of the container body 11 opposed thereto.
An uneven portion 40 having inclined surfaces 41 and 42 inclined in a direction in which the outer lid 13 is lifted along the circumferential direction of 1 is formed, and when the outer lid 13 is removed, the outer lid 13 is rotated with respect to the container body 11. The outer cover 13 is lifted by the relative movement of the concave / convex portion 40 to release the engagement of the engaging portion 30.

That is, the uneven portion 40 is formed between the upper step portion 11 e of the enlarged diameter portion 11 d of the container body 11 and the peripheral wall 13 of the outer lid 13.
b and the upper step 11e.
And a concave portion 42 formed on the inner periphery of the peripheral wall 13b. The convex portion 41 and the concave portion 42 are provided in pairs in the circumferential direction. I have.

The convex portion 41 is formed in a trapezoidal shape as shown in FIG. 9, and both sides in the circumferential direction are inclined surfaces 41a and 41b which are inclined in a direction in which the outer lid 13 is lifted. On the other hand, the concave portion 42 is formed longer than the circumferential width of the convex portion 41 as shown in FIG. 8 so that the outer lid 13 can be rotated by a predetermined amount while the convex portion 41 is inserted into the concave portion 42. Has become.
In the plurality of concave portions 42 arranged in the circumferential direction, a boundary portion 42 a is formed between adjacent ones, and both sides of the boundary portion 42 a in the circumferential direction are inclined formed on both sides of the convex portion 41. It is inclined along the surfaces 41a and 41b.

Accordingly, in the second embodiment, as shown in the first embodiment, the outer lid 13 with which the engagement portion 30 is engaged is provided.
The outer lid 13 is detached from the closed state by rotating the outer lid 13 with respect to the container body 11.
That is, when the outer lid 13 is rotated in this manner, the concave portion 42 moves with respect to the convex portion 41, and the boundary portion 42a abuts on the convex portion 41 as shown in FIG. By further rotating the outer lid 13 from this end state, the inclined surface 41 a of the convex portion 41 is formed.
, The boundary portion 42a rises up, whereby the outer lid 13 is entirely lifted. As the outer lid 13 is lifted, the second engaging projection 32 rides over the first engaging projection 31 as in the first embodiment, and the engaging section 30 is disengaged. Also, since the convex portion 41 is provided with inclined surfaces 41a and 41b on both sides, the rotation direction when removing the outer cover 13 may be any direction, and when the outer cover 13 is rotated in the opposite direction, the boundary portion 42a is inclined. It will rise along 41b.

As described above, in the second embodiment, the outer lid 13
The cover 13 is rotated by rotating the
Can be easily removed, and since the plurality of concave and convex portions 40 are provided in the circumferential direction, the amount of rotation of the outer cover 13 at the time of removal can be reduced, so that the removing operation of the outer cover 13 is easier. Can be Of course, also in this embodiment, the hinge position movable mechanism 21 is provided on the hinge 18 for hingedly attaching the inner lid 12 to the container body 11 as in the first configuration, so that the outer lid 13 is closed. When the force is applied via the closing force applying mechanism 33, the inner lid 12 can be pushed down as a whole to improve the tightness of the storage portion 11a, and the engagement provided between the outer lid 13 and the container body 11 can be improved. The joining portion 30 allows the outer lid 13 to be closed with one touch.

In the above embodiments, the airtight container 1
Although the case where 0, 10a is used as a portable container for cosmetics has been disclosed, it is needless to say that the stored items are not particularly limited to this cosmetics. Also, the hinge 18 of the inner lid 12 shows the case where the hinge pin 19 is provided on the container main body 11 side and the rotating part 20 is provided on the inner lid 12 side. May be provided on the inner lid 12 side, and the rotating portion 20 may be provided on the container body 11 side. Needless to say, even in this case, the hinge position movable mechanism 21 is provided. The packing 16 is not always necessary, and the lower surface of the inner lid 12 may be directly pressed against the upper end of the inner wall 11b or the like.

[0035]

As described above, in the airtight container of the present invention, since the hinge for moving the inner lid to the container body side is provided with a hinge position movable mechanism, the closing force of the outer lid is increased by the closing force. When added to the inner lid by the mechanism, the inner lid can be pushed down as a whole to greatly improve the sealing performance. Further, since the engagement portion is provided between the outer lid and the container body, the closed state can be maintained only by pushing the outer lid in the closing direction, so that the outer lid can be closed with one touch. Furthermore, since the slope of the container body corresponding to the lower end of the outer lid in the closed state is formed so as to be inclined in the direction of lifting the outer lid toward the center of the container main body, the lower end of the outer lid is pressed. The engagement of the engagement portion can be released only by bending and deforming the outer lid toward the center of the container main body, for example, so that one-touch removal is possible.

The structure for removing the outer lid is such that the outer lid is lifted along the circumferential direction of the container body between the lower end of the outer lid in a closed state and a portion of the container body opposed thereto. An uneven portion having an inclined surface can be formed, and by rotating the outer lid with respect to the container body, the outer lid is lifted by the uneven portion to release the engagement of the engaging portion. By providing a plurality of the concave and convex portions in the circumferential direction, the amount of rotation when the outer lid is removed can be reduced, and the operation of removing the outer lid can be simplified.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view of a principal part of an airtight container showing an embodiment of the present invention.

FIG. 2 is a longitudinal sectional view of an airtight container in a closed state according to an embodiment of the present invention.

FIG. 3 is a longitudinal sectional view showing an embodiment of the present invention at an initial stage of removing a lid of the airtight container.

FIG. 4 is a vertical cross-sectional view of the airtight container according to the embodiment of the present invention in a state where an inner lid is opened.

FIG. 5 is an operation explanatory view of a hinge portion showing one embodiment of the present invention.

FIG. 6 is an exploded perspective view of an essential part of an airtight container showing another embodiment of the present invention.

FIG. 7 is a longitudinal sectional view showing a sealed state of an airtight container according to another embodiment of the present invention.

FIG. 8 is a longitudinal sectional view showing an open state of a middle lid of an airtight container according to another embodiment of the present invention.

FIG. 9 is an explanatory view of an operation of a concave / convex portion for lifting an outer lid of an airtight container according to another embodiment of the present invention.

[Explanation of symbols]

 10, 10a Airtight container 11 Container main body 11a Storage unit 12 Inner lid 13 Outer lid 14 Inclined surface 18 Hinge 21 Slide unit 30 Engaging unit 40 Uneven portion 41a, 41b Inclined surface

Continued on the front page (51) Int.Cl. ⁷ Identification symbol FI Theme coat II (Reference) B65D 51/18 B65D 51/18 Z

Claims (2)

[Claims] A container main body, an inner lid hinged to the container main body via a hinge so as to be openable and closable, and an outer lid surrounding the inner lid and fitted to an outer periphery of the container main body. In an airtight container, an engagement portion is provided between the outer lid and the container body to be engaged by pushing the outer lid in the closing direction to maintain the closed state of the outer lid, and the lower end of the closed outer lid is provided. In the part of the container body corresponding to the part, an inclined surface is formed which is inclined in a direction to lift the outer lid toward the center direction of the container body, and when the outer lid is removed, the lower end portion of the outer lid is oriented toward the center of the container body. While the lower end is guided by the inclined surface by bending and deforming, the outer lid is lifted to release the engagement of the engaging portion, while the outer lid is closed between the inner lid and the inner lid. Apply the closing force of the outer lid in the state to the inner lid and press the inner lid in the sealing direction Provided with a locking force applying mechanism, to the hinge, the airtight container, characterized in that a hinge position moving mechanism that allows the movement of the inner lid in the closed direction of the inner lid by closing force of the outer cap. 2. A container main body, an inner lid hinged to the container main body via a hinge so as to be openable and closable, and an outer lid surrounding the inner lid and fitted to the outer periphery of the container main body. In an airtight container, an engagement portion is provided between the outer lid and the container body to be engaged by pushing the outer lid in the closing direction to maintain the closed state of the outer lid, and the lower end of the closed outer lid is provided. A plurality of concave and convex portions having an inclined surface inclined in a direction to lift the outer lid along the circumferential direction of the container main body are formed between the portion and the portion of the container main body opposed thereto, and when removing the outer lid, By rotating the outer lid with respect to the container body and relatively moving the uneven portion, the outer lid is lifted to release the engagement of the engaging portion, and between the outer lid and the inner lid. , Applying the closing force of the outer lid in the closed state to the inner lid and pressing the inner lid in the sealing direction Provided with a locking force applying mechanism, to the hinge, the airtight container, characterized in that a hinge position moving mechanism that allows the movement of the inner lid in the closed direction of the inner lid by closing force of the outer cap.