JP2020193036A - Cap unit and container with cap - Google Patents

Abstract

To provide a cap unit that prevents a surrounding area from being wetted by water droplets adhering to a lower surface of an inner cap when it is removed from a container body.SOLUTION: A cap unit 1A detachably attached to a container body 2 having an opening at the top comprises: an outer lid 9 that covers an upper opening 2a of the container body 2; an inner cap 10 that is located at the center of the inner side of the outer lid 9 and is fitted into the container body 2 through the upper opening 2a; and a sealing member 12 that is located at an outer periphery of a lower end of the inner cap 10 and seals between the container body 2 and the inner cap 10. The sealing member 12 has a lower surface-side protruding portion 13 that protrudes toward a direction of separation from a position where it contacts a lower surface of the inner cap 10 over the entire circumference.SELECTED DRAWING: Figure 1

Description

The present invention relates to a cap unit and a container with a cap.

Conventionally, there is a container with a cap provided with a cap unit (plug body) that closes the upper opening of the container body by detachably attaching to the mouth and neck of the container body having an open upper part (for example, the following patent documents). See 1.).

Such a cap unit has an outer lid that covers the upper opening of the container body and an inner plug that is fitted into the inside of the container body from the upper opening, and the inner plug or the outer lid is screwed to the cap body. It has a structure that can be attached by combining. Further, a waterproof packing (seal member) for sealing between the container body and the inner plug is detachably attached to the outer peripheral portion of the inner plug.

JP-A-2010-280402

By the way, in the above-mentioned container with a cap, for example, when a hot beverage is put in the container body, the water vapor saturated in the container body aggregates on the lower surface of the inner plug and adheres to the lower surface of the inner plug as water droplets. The water droplets adhering to the lower surface of the inner plug gradually grow and drip into the container body due to its own weight.

On the other hand, when the cap unit was removed from the container body, water droplets adhering to the lower surface of the inner plug flowed down from the tilted cap unit, which sometimes wet the surroundings. If the water droplets adhering to the lower surface of the inner plug can be quickly dropped to the inside of the container body, the water droplets adhering to the lower surface of the inner plug will wet the surroundings when the cap unit is removed from the container body. It is possible to suppress it. However, the water droplets adhering to the lower surface of the inner plug are difficult to drop due to the surface tension acting on the lower surface of the inner plug.

The present invention has been proposed in view of such conventional circumstances, and is a cap unit that prevents the surroundings from getting wet by water droplets adhering to the lower surface of the inner plug when the container body is removed. , It is an object of the present invention to provide a container with a cap capable of further improving usability by providing such a cap unit.

In order to achieve the above object, the present invention provides the following means.
[1] A cap unit that can be detachably attached to a container body with an open top.
An outer lid that covers the upper opening of the container body and
An inner plug located at the center inside the outer lid and fitted into the inside of the container body from the upper opening.
A sealing member located on the outer peripheral portion on the lower end side of the inner plug and sealing between the container body and the inner plug is provided.
The seal member is a cap unit having a lower surface-side protruding portion that protrudes from a position where the seal member comes into contact with the lower surface of the inner plug over the entire circumference in a direction away from the position.
[2] The lower surface side protruding portion has an inclined surface having an acute angle with respect to the lower surface of the inner plug on the inner peripheral side thereof.
The cap unit according to the above [1], wherein a gap is provided between the inclined surface and the lower surface of the inner plug.
[3] A cap unit that can be detachably attached to a container body with an open top.
An outer lid that covers the upper opening of the container body and
An inner plug located at the center inside the outer lid and fitted into the inside of the container body from the upper opening.
A seal member for sealing between the container body and the inner plug is provided in a state of being detachably attached to the outer peripheral portion on the lower end side of the inner plug.
The seal member has a lower surface-side protruding portion that protrudes in the diameter reduction direction from a position where it contacts the outer peripheral portion on the lower surface side of the inner plug over the entire circumference.
A cap unit characterized in that a gap is provided between the upper surface of the lower surface side protrusion and the lower surface of the inner plug.
[4] The cap unit according to any one of the above [1] to [3], wherein the seal member has a shape-changing portion in which a part of the lower surface-side protruding portion is changed. ..
[5] Any one of the above [1] to [4], wherein the seal member is made of a ring-shaped elastic member and is detachably attached to an outer peripheral portion on the lower end side of the inner plug. The cap unit described in the section.
[6] The sealing member has an elastic flange portion protruding from the outer peripheral surface thereof in the diameter-expanding direction.
The elastic flange portion is in close contact with an overhanging portion protruding from the inside of the container body over the entire circumference, thereby sealing between the container body and the inner plug. The cap unit according to [5].
[7] The cap according to any one of the above [1] to [6], wherein the inner plug has a lower surface convex portion having a part or the entire surface of the lower surface projecting downward. unit.
[8] The cap unit according to the above [7], wherein the lower surface convex portion is formed in a ring shape in a plan view.
[9] The cap unit according to any one of the above [1] to [6], wherein the inner plug has a lower surface recess whose lower surface is recessed upward.
[10] The cap unit according to any one of the above [1] to [9], wherein the inner plug is subjected to uneven processing on a part or the entire lower surface thereof.
[11] The cap unit according to any one of the above [1] to [10], wherein the inner plug or the outer lid is attached to the container body by screwing.
[12] The cap unit according to any one of the above [1] to [11] and the cap unit.
A container with a cap including a container body to which the cap unit is attached.
[13] The container with a cap according to the above [12], wherein the container body has a vacuum heat insulating structure.

As described above, according to the present invention, a cap unit that prevents the surroundings from being wetted by water droplets adhering to the lower surface of the inner plug when removed from the container body, and such a cap unit are provided. It is possible to provide a container with a cap that enables further improvement in usability.

It is sectional drawing which shows the structure of the container with a cap provided with the cap unit which concerns on 1st Embodiment of this invention. It is sectional drawing which shows the structure of the container with a cap provided with the cap unit which concerns on 2nd Embodiment of this invention. It is sectional drawing which shows the structure of the container with a cap provided with the cap unit which concerns on 3rd Embodiment of this invention. It is sectional drawing which shows the structure of the container with a cap provided with the cap unit which concerns on 4th Embodiment of this invention. It is sectional drawing which shows the structure of the container with a cap provided with the cap unit which concerns on 5th Embodiment of this invention. It is sectional drawing which shows the structure of the container with a cap provided with the cap unit which concerns on 6th Embodiment of this invention. It is sectional drawing which shows the structure of the container with a cap provided with the cap unit which concerns on 7th Embodiment of this invention. FIG. 5 is a cross-sectional view of a main part showing another configuration example of the lower surface side protruding portion in the eighth embodiment of the present invention. 9 is a cross-sectional perspective view of a main part illustrating a configuration in which a shape changing portion is provided in a part of a protruding portion on the lower surface side in a ninth embodiment of the present invention. It is sectional drawing which shows the structure of the container with a cap provided with the cap unit which concerns on tenth embodiment of this invention.

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.
(First Embodiment)
First, as a first embodiment of the present invention, for example, a capped container 100A provided with the cap unit 1A shown in FIG. 1 will be described.
It is a sectional view which shows the structure of the container with a cap 100A provided with the cap unit 1A.

As shown in FIG. 1, the capped container 100A of the present embodiment includes a container body 2 having an open upper portion and a cap unit 1A detachably attached to the container body 2, and is hot housed in the container body 2. A beverage container capable of keeping the beverage (contents) warm. Further, in the container 100A with a cap, the upper opening 2a of the container body 2 can be opened and closed by the cap unit 1A attached to the container body 2 by screwing.

Specifically, the container body 2 has a metal outer container 3 and an inner container 4 made of, for example, stainless steel. The container body 2 accommodates the inner container 4 having an open end inside the outer container 3 having an open end, and the open ends are joined to each other, and between the outer container 3 and the inner container 4. It has a vacuum heat insulating structure provided with a vacuum heat insulating layer 5.

The vacuum heat insulating layer 5 can be formed, for example, by sealing a degassing hole provided in the center of the bottom surface of the outer container 3 with a brazing material in a chamber decompressed (evacuated) to a high vacuum.

By having such a vacuum heat insulating structure, the container body 2 can have the above-mentioned functions of heat retention or cold retention. Further, since the container body 2 has such a vacuum heat insulating structure, tension is always applied to the outer container 3 and the inner container 4 due to the difference between the internal pressure (vacuum pressure) and the external pressure (atmospheric pressure). The mechanical strength of the outer container 3 and the inner container 4 will be increased. As a result, even when the thickness of the outer container 3 and the inner container 4 is reduced, the rigidity of the container body 2 can be increased, and the weight of the container body 2 can be reduced.

The container body 2 includes a substantially circular bottom surface portion 2b, a body portion 2c that rises substantially cylindrically from the outer periphery of the bottom surface portion 2b, and a mouth neck portion 2d that stands up substantially cylindrically from the upper side of the body portion 2c. Have. Further, the upper end portion of the mouth neck portion 2d is opened in a circular shape as an upper opening portion 2a of the container body 2.

A female screw portion 6 is provided on the inner peripheral surface of the mouth neck portion 2d. Further, below the female screw portion 6, a ring-shaped overhanging portion 7 is provided so as to project from the inner peripheral surface of the inner container 4 over the entire circumference.

The capped container 100A of the present embodiment has a substantially cylindrical appearance shape as a whole, but the appearance shape of the capped container 100A is not particularly limited, and the size, design, and the like are not particularly limited. At the same time, it is possible to make appropriate changes. Further, the outer peripheral surface of the container body 2 (outer container 3) may be painted, printed, or the like.

The cap unit 1A of the present embodiment constitutes a plug that closes the upper opening 2a of the container body 2. Specifically, the cap unit 1A includes a cap body 8 that is screwed onto the container body 2 while covering the upper opening 2a of the container body 2.

The cap body 8 has an outer lid 9 that covers the upper opening 2a of the container body 2 and an inner plug 10 that is fitted into the inside of the container body 2 from the upper opening 2a.

The outer lid 9 is made of a heat-resistant resin such as polypropylene or Tritan (registered trademark), and has a peripheral wall portion 9a and a peripheral wall portion 9a formed in a substantially cylindrical shape so that the appearance is continuous with the body portion 2c of the container body 2. It has an upper wall portion 9b that closes the upper part of the.

The inner plug 10 is made of a heat-resistant resin such as polypropylene or Tritan (registered trademark), and has a substantially circular bottom wall portion 10a and a peripheral wall portion 10b that rises substantially cylindrically from the periphery of the bottom wall portion 10a. ing. The inner plug 10 is located at the inner center portion of the outer lid 9, and the peripheral wall portion 10b is integrally attached to the lower surface center portion of the upper wall portion 9b by welding or the like. The inside of the inner plug 10 is not limited to the air serving as the heat insulating layer, and a heat insulating material (not shown) may be arranged.

Further, a male screw portion 11 is provided on the outer peripheral surface of the peripheral wall portion 10b (inner plug 10). In the container 100A with a cap, the inner plug 10 (cap body 8) is detachably attached to the container body 2 by screwing the male screw portion 11 and the female screw portion 6. Further, the female screw portion 6 and the male screw portion 11 are composed of double-threaded screws that are complementary to each other. When a double-threaded screw is used, the cap body 8 (cap unit 1A) can be attached to and detached from the container body 2 with a small number of rotation operations (about 180 ° in this embodiment).

A water blocking packing 12 is detachably attached to the outer peripheral portion on the lower end side of the inner plug 10. The water-stop packing 12 is a ring-shaped sealing member that seals between the inside of the container body 2 and the inner plug 10, and is made of an elastic member such as a heat-resistant rubber such as silicone rubber or an elastomer.

On the lower end side of the inner plug 10, a reduced diameter portion 10c whose diameter is reduced from the outer diameter of the peripheral wall portion 10b, and a ring-shaped flange protruding from the lower end of the reduced diameter portion 10c in the diameter increasing direction over the entire circumference. A ring-shaped groove portion 10e is provided between the portion 10d, the reduced diameter portion 10c, and the flange portion 10d.

On the other hand, the inner peripheral surface of the waterproof packing 12 is provided with a ring-shaped fitting convex portion 12a fitted into the groove portion 10e and a ring-shaped fitting concave portion 12b into which the flange portion 10d is fitted. There is. The waterproof packing 12 is detachably attached to the outer peripheral portion on the lower end side of the inner plug 10 by fitting the fitting convex portion 12a into the groove portion 10e and fitting the flange portion 10d into the fitting concave portion 12b. It is attached.

Further, two elastic flange portions 12c are provided on the outer peripheral surface of the waterproof packing 12 so as to project in the diameter expansion direction. When the cap body 8 is attached to the container body 2, the waterproof packing 12 is in a state of being in close contact with the overhanging portion 7 of the container body 2 over the entire circumference while the elastic flange portion 12c is elastically deformed. As a result, it is possible to seal (stop water) between the overhanging portion 7 (container body 2) and the inner plug 10 (cap body 8).

On the other hand, the waterproof packing 12 can be removed from the inner plug 10 (cap body 8) by elastically deforming (pulling and stretching) itself. As a result, the cap body 8 and the waterproof packing 12 can be cleaned separately, and the space between the waterproof packing 12 and the cap body 8 can be kept hygienic.

The waterproof packing 12 is not necessarily limited to the shape described above. For example, the number of elastic flange portions 12c is not limited to the two described above, and may be one or a plurality. It is possible.

Further, the waterproof packing 12 is not necessarily limited to the configuration in which the elastic flange portion 12c described above is provided, and the shape and the like thereof can be appropriately changed. For example, an elastic flange portion having a shape protruding downward while being curved downward from the upper end of the outer peripheral surface of the waterproof packing 12 may be provided.

The water blocking packing 12 has a lower surface side projecting portion 13 projecting toward the lower surface of the bottom wall portion 10a (inner plug 10) in a direction (downward) away from a position where it contacts the entire circumference. The lower surface side protruding portion 13 has an inclined surface 13a having an acute angle with respect to the lower surface of the inner plug 10 on the inner peripheral side thereof. As a result, a gap S is provided over the entire circumference between the inclined surface 13a and the lower surface of the inner plug 10.

In the container with a cap 100A of the present embodiment having the above configuration, the outer lid 9 (cap body) is placed on the container body 2 from the state in which the inner plug 10 is fitted inside the container body 2 from the upper opening 2a. By rotating 8) clockwise (hereinafter referred to as "closed direction"), the cap unit 1A can be attached to the container body 2 by screwing the female screw portion 6 and the male screw portion 11.

On the other hand, from the state where the cap body 8 (cap unit 1A) is attached to the container body 2, the outer lid 9 (cap body 8) is rotated counterclockwise (hereinafter referred to as "opening direction") with respect to the container body 2. By doing so, the screwing between the female screw portion 6 and the male screw portion 11 can be released, and the cap unit 1A can be removed from the container body 2.

By the way, in the container with a cap 100A of the present embodiment, in a state where the cap unit 1A is attached to the container body 2, the water vapor saturated in the container body 2 aggregates on the lower surface of the inner plug 10, and the lower surface of the inner plug 10 It adheres to the water vapor as water droplets (not shown). Further, the water droplets adhering to the lower surface of the inner plug 10 are less likely to fall due to the surface tension acting on the lower surface of the inner plug 10.

On the other hand, when the cap unit 1A is removed from the container body 2, water droplets adhering to the lower surface of the inner plug 10 due to the inclination of the cap unit 1A protrude toward the lower surface side of the waterproof packing 12 along the lower surface of the inner plug 10. It flows into the gap S formed between the portion 13 and the portion 13. In this case, by collecting water droplets in the gap S, it is possible to suppress the falling of water droplets adhering to the lower surface of the inner plug 10.

On the other hand, when the cap unit 1A is reattached to the container body 2, the water droplets that have flowed into the gap S can be dropped to the inside of the container body 2 along the inclined surface 13a of the lower surface side protrusion 13. is there.

As a result, in the container with a cap 100A of the present embodiment, when the cap unit 1A is removed from the container body 2, it is possible to prevent the surroundings from getting wet by water droplets adhering to the lower surface of the inner plug 10. ..

Further, in the capped container 100A of the present embodiment, the lower surface side protruding portion 13 of the water blocking packing 12 is easily pinched by the gap S formed between the inner plug 10 and the lower surface of the inner plug 10. In this case, the water stop packing 12 can be easily removed from the inner plug 10 (cap body 8) by elastically deforming (pulling and stretching) the water stop packing 12 while pinching the lower surface side protrusion 13. ..

In order to make it easier to pinch the lower surface side protrusion 13, it is preferable to provide a gap S at least thicker than the thickness of the lower surface side protrusion 13 (water stop packing 12). Further, in order to facilitate the accumulation of water droplets in the gap S, it is preferable that the angle of the inclined surface 13a of the lower surface side protruding portion 13 is in the range of 10 to 80 °.

As described above, the capped container 100A of the present embodiment can be further improved in usability by providing the cap unit 1A described above.

(Second Embodiment)
Next, as a second embodiment of the present invention, for example, a capped container 100B provided with the cap unit 1B shown in FIG. 2 will be described.
FIG. 2 is a cross-sectional view showing the configuration of a capped container 100B provided with the cap unit 1B. Further, in the following description, the same parts as the capped container 100A provided with the cap unit 1A will be omitted and the same reference numerals will be given in the drawings.

As shown in FIG. 2, the container with a cap 100B of the present embodiment has a configuration in which the cap unit 1B is detachably attached to the container body 2 instead of the cap unit 1A.

Specifically, the cap unit 1B has basically the same configuration as the cap unit 1A except that the shape of the lower surface of the inner plug 10 is different. That is, a lower surface convex portion 14 is provided on the lower surface of the inner plug 10. The lower surface convex portion 14 has a pointed shape in which the entire surface of the bottom wall portion 10a constituting the lower surface of the inner plug 10 is projected downward in a substantially conical shape. Further, the lower surface convex portion 14 has an inclined surface 14a that is linearly inclined toward the central portion of the lower surface of the inner plug 10.

In the container with a cap 100B of the present embodiment having the above configuration, in a state where the cap unit 1B is attached to the container body 2, water droplets adhering to the lower surface of the inner plug 10 are applied to the inclined surface 14a of the lower surface convex portion 14. Along with this, it is possible to easily drop the container body 2 into the inside.

On the other hand, when the cap unit 1B is removed from the container body 2, water droplets adhering to the lower surface of the inner plug 10 due to the inclination of the cap unit 1B are applied to the lower surface of the water blocking packing 12 along the inclined surface 14a of the lower surface convex portion 14. It flows into the gap S formed between the side protrusion 13 and the side protrusion 13.

At this time, the amount of water droplets adhering to the lower surface of the inner plug 10 is smaller than that of the cap unit 1A, and the amount of water droplets accumulated in the gap S can be suppressed. Therefore, it is possible to further suppress the drop of water droplets adhering to the lower surface of the inner plug 10.

On the other hand, when the cap unit 1B is reattached to the container body 2, the water droplets that have flowed into the gap S are applied to the container body 2 along the inclined surface 13a of the lower surface side protruding portion 13 and the inclined surface 14a of the lower surface convex portion 14. It can be dropped inward.

As described above, in the container with a cap 100B of the present embodiment, when the cap unit 1B is removed from the container body 2, it is possible to prevent the surroundings from getting wet by water droplets adhering to the lower surface of the inner plug 10. Is. Further, in the container with a cap 100B of the present embodiment, it is possible to further improve the usability by providing the cap unit 1B described above.

(Third Embodiment)
Next, as a third embodiment of the present invention, for example, a capped container 100C provided with the cap unit 1C shown in FIG. 3 will be described.
FIG. 3 is a cross-sectional view showing the configuration of a capped container 100C provided with the cap unit 1C. Further, in the following description, the same parts as the capped container 100A provided with the cap unit 1A will be omitted and the same reference numerals will be given in the drawings.

As shown in FIG. 3, the capped container 100C of the present embodiment has a configuration in which the cap unit 1C is detachably attached to the container body 2 instead of the cap unit 1A.

Specifically, the cap unit 1C has basically the same configuration as the cap unit 1A except that the shape of the lower surface of the inner plug 10 is different. That is, a lower surface convex portion 15 is provided on the lower surface of the inner plug 10. The lower surface convex portion 15 has a pointed shape in which the entire surface of the bottom wall portion 10a constituting the lower surface of the inner plug 10 is projected downward in a substantially conical shape while being curved downward. Further, the lower surface convex portion 15 has an inclined surface 15a that is inclined while being concavely curved toward the central portion of the lower surface of the inner plug 10.

In the container with a cap 100C of the present embodiment having the above configuration, in a state where the cap unit 1C is attached to the container body 2, water droplets adhering to the lower surface of the inner plug 10 are applied to the inclined surface 15a of the lower surface convex portion 15. Along with this, it is possible to easily drop the container body 2 into the inside.

On the other hand, when the cap unit 1C is removed from the container body 2, water droplets adhering to the lower surface of the inner plug 10 due to the inclination of the cap unit 1C are applied to the lower surface of the waterproof packing 12 along the inclined surface 15a of the lower surface convex portion 15. It flows into the gap S formed between the side protrusion 13 and the side protrusion 13.

At this time, the amount of water droplets adhering to the lower surface of the inner plug 10 is smaller than that of the cap unit 1A, and the amount of water droplets accumulated in the gap S is suppressed. Therefore, it is possible to further suppress the drop of water droplets adhering to the lower surface of the inner plug 10.

On the other hand, when the cap unit 1C is reattached to the container body 2, the water droplets that have flowed into the gap S are allowed to flow along the inclined surface 13a of the lower surface side protrusion 13 and the inclined surface 15a of the lower surface convex portion 15 of the container body 2. It can be dropped inward.

As described above, in the container with a cap 100C of the present embodiment, when the cap unit 1C is removed from the container body 2, it is possible to prevent the surroundings from getting wet by water droplets adhering to the lower surface of the inner plug 10. Is. Further, the capped container 100C of the present embodiment can be further improved in usability by providing the cap unit 1C described above.

(Fourth Embodiment)
Next, as a fourth embodiment of the present invention, for example, a capped container 100D provided with the cap unit 1D shown in FIG. 4 will be described.
Note that FIG. 4 is a cross-sectional view showing the configuration of a capped container 100D provided with the cap unit 1D. Further, in the following description, the same parts as the capped container 100A provided with the cap unit 1A will be omitted and the same reference numerals will be given in the drawings.

As shown in FIG. 4, the capped container 100D of the present embodiment has a configuration in which the cap unit 1D is detachably attached to the container body 2 instead of the cap unit 1A.

Specifically, the cap unit 1D has basically the same configuration as the cap unit 1A except that the shape of the lower surface of the inner plug 10 is different. That is, a lower surface convex portion 16 is provided on the lower surface of the inner plug 10. The lower surface convex portion 16 has a pointed shape in which a part of the bottom wall portion 10a constituting the lower surface of the inner plug 10 is projected downward in a substantially triangular shape. Further, the lower surface convex portion 16 is located at a position deviated from the center of the lower surface of the inner plug 10, and has an inclined surface 16a inclined linearly toward the lower end thereof.

In the container with a cap 100D of the present embodiment having the above configuration, in a state where the cap unit 1D is attached to the container body 2, water droplets adhering to the lower surface of the inner plug 10 are applied to the inclined surface 16a of the lower surface convex portion 16. Along with this, it is possible to easily drop the container body 2 into the inside.

On the other hand, when the cap unit 1D is removed from the container body 2, water droplets adhering to the lower surface of the inner plug 10 due to the inclination of the cap unit 1D are projected along the lower surface of the inner plug 10 on the lower surface side of the waterproof packing 12. It flows into the gap S formed between the 13 and 13.

At this time, the amount of water droplets adhering to the lower surface of the inner plug 10 is smaller than that of the cap unit 1A, and the amount of water droplets accumulated in the gap S can be suppressed. Therefore, it is possible to further suppress the drop of water droplets adhering to the lower surface of the inner plug 10.

On the other hand, when the cap unit 1D is reattached to the container body 2, the water droplets flowing into the gap S can be dropped to the inside of the container body 2 along the inclined surface 13a of the lower surface side protrusion 13. is there.

As described above, in the container with a cap 100D of the present embodiment, when the cap unit 1D is removed from the container body 2, it is possible to prevent the surroundings from getting wet by water droplets adhering to the lower surface of the inner plug 10. Is. Further, in the container with a cap 100D of the present embodiment, it is possible to further improve the usability by providing the cap unit 1D described above.

In the present embodiment, one lower surface convex portion 16 is provided on the lower surface of the inner plug 10, but the configuration is not necessarily limited to such a configuration, and a plurality of lower surface convex portions 16 are provided. It may be a provided configuration. Further, the shape of the lower surface convex portion 16 can be appropriately changed.

(Fifth Embodiment)
Next, as a fifth embodiment of the present invention, for example, a capped container 100E provided with the cap unit 1E shown in FIG. 5 will be described.
FIG. 5 is a cross-sectional view showing the configuration of a capped container 100E provided with the cap unit 1E. Further, in the following description, the same parts as the capped container 100A provided with the cap unit 1A will be omitted and the same reference numerals will be given in the drawings.

As shown in FIG. 5, the capped container 100E of the present embodiment has a configuration in which the cap unit 1E is detachably attached to the container body 2 instead of the cap unit 1A.

Specifically, the cap unit 1E has basically the same configuration as the cap unit 1A except that the shape of the lower surface of the inner plug 10 is different. That is, a lower surface recess 17 is provided on the lower surface of the inner plug 10. The lower surface recess 17 has a shape in which the bottom wall portion 10a constituting the lower surface of the inner plug 10 is spherically recessed upward. Further, the lower surface recess 17 has an inclined surface 17a that is inclined while being concavely curved from the center of the lower surface of the inner plug 10 toward the outer circumference.

In the capped container 100E of the present embodiment having the above configuration, in a state where the cap unit 1E is attached to the container body 2, water droplets adhering to the lower surface of the inner plug 10 are along the inclined surface 17a of the lower surface recess 17. Then, it flows down from the center of the lower surface of the inner plug 10 to the outer peripheral side. After that, it is possible to drop water droplets into the inside of the container body 2 along the inclined surface 13a of the lower surface side protruding portion 13 of the waterproof packing 12.

On the other hand, when the cap unit 1E is removed from the container body 2, water droplets adhering to the lower surface of the inner plug 10 due to the inclination of the cap unit 1E are placed on the lower surface side of the waterproof packing 12 along the inclined surface 17a of the lower surface recess 17. It flows into the gap S formed between the protrusion 13 and the lower surface recess 17.

At this time, the amount of water droplets adhering to the lower surface of the inner plug 10 is smaller than that of the cap unit 1A, and the amount of water droplets accumulated in the gap S is suppressed. Further, a larger gap S is secured than in the case of the cap unit 1A. Therefore, it is possible to further suppress the drop of water droplets adhering to the lower surface of the inner plug 10.

On the other hand, when the cap unit 1E is reattached to the container body 2, the water droplets that have flowed into the gap S and the lower surface recess 17 are dropped into the container body 2 along the inclined surface 13a of the lower surface side protrusion 13. It is possible.

As described above, in the container 100E with a cap of the present embodiment, when the cap unit 1E is removed from the container body 2, it is possible to prevent the surroundings from getting wet by water droplets adhering to the lower surface of the inner plug 10. Is. Further, in the container with a cap 100E of the present embodiment, it is possible to further improve the usability by providing the cap unit 1E described above.

(Sixth Embodiment)
Next, as a sixth embodiment of the present invention, for example, a capped container 100F provided with the cap unit 1F shown in FIG. 6 will be described.
Note that FIG. 6 is a cross-sectional view showing the configuration of a capped container 100F provided with the cap unit 1F. Further, in the following description, the same parts as the capped container 100A provided with the cap unit 1A will be omitted and the same reference numerals will be given in the drawings.

As shown in FIG. 6, the capped container 100F of the present embodiment has a configuration in which the cap unit 1F is detachably attached to the container body 2 instead of the cap unit 1A.

Specifically, the cap unit 1F has basically the same configuration as the cap unit 1A except that the shape of the waterproof packing 12 and the shape of the lower surface of the inner plug 10 are different. That is, the water blocking packing 12 has a lower surface side projecting portion 18 protruding in the diameter reduction direction from a position where the inner plug 10 is in contact with the outer peripheral portion on the lower surface side over the entire circumference. On the other hand, a lower surface recess 17 is provided on the lower surface of the inner plug 10 as in the cap unit 1E. As a result, a gap S is provided over the entire circumference between the upper surface of the lower surface side protrusion 18 and the lower surface of the inner plug 10.

In the container with a cap 100F of the present embodiment having the above configuration, when the cap unit 1F is removed from the container body 2, water droplets adhering to the lower surface of the inner plug 10 due to the inclination of the cap unit 1F are formed in the lower surface recess 17. Along the inclined surface 17a, the water flows into the gap S formed between the water blocking packing 12 and the lower surface side protrusion 18 and the lower surface recess 17. In this case, by collecting water droplets in the gap S and the lower surface recess 17, it is possible to suppress the drop of water droplets adhering to the lower surface of the inner plug 10.

As a result, in the container with a cap 100F of the present embodiment, when the cap unit 1F is removed from the container body 2, it is possible to prevent the surroundings from being wetted by water droplets adhering to the lower surface of the inner plug 10. ..

Further, in the capped container 100F of the present embodiment, the lower surface side protruding portion 18 of the water blocking packing 12 is easily pinched by the gap S formed between the inner plug 10 and the lower surface. In this case, the water blocking packing 12 can be easily removed from the inner plug 10 (cap body 8) by elastically deforming (pulling and stretching) the water blocking packing 12 while pinching the lower surface side protruding portion 18. ..

As described above, in the container 100F with a cap of the present embodiment, when the cap unit 1F is removed from the container body 2, it is possible to prevent the surroundings from getting wet by water droplets adhering to the lower surface of the inner plug 10. Is. Further, in the container with a cap 100F of the present embodiment, it is possible to further improve the usability by providing the cap unit 1F described above.

(7th Embodiment)
Next, as a seventh embodiment of the present invention, for example, a capped container 100G provided with the cap unit 1G shown in FIG. 7 will be described.
FIG. 7 is a cross-sectional view showing the configuration of a capped container 100G provided with the cap unit 1G. Further, in the following description, the same parts as the capped container 100A provided with the cap unit 1A will be omitted and the same reference numerals will be given in the drawings.

As shown in FIG. 7, the capped container 100G of the present embodiment has a configuration in which the cap unit 1G is detachably attached to the container body 2 instead of the cap unit 1A.

Specifically, the cap unit 1G has basically the same configuration as the cap unit 1A except that the shape of the waterproof packing 12 and the shape of the lower surface of the inner plug 10 are different. That is, like the cap unit 1F, the water blocking packing 12 is a lower surface side protruding portion 18 projecting from a position where the inner plug 10 is in contact with the outer peripheral portion on the lower surface side over the entire circumference in the diameter reduction direction. have. On the other hand, on the lower surface of the inner plug 10, a lower surface convex portion 14 is provided as in the case of the cap unit 1B. Further, the bottom wall portion 10a constituting the lower surface convex portion 14 is connected above the lower end of the reduced diameter portion 10c. As a result, a gap S is provided over the entire circumference between the upper surface of the lower surface side protrusion 18 and the lower surface of the inner plug 10.

In the container with a cap 100G of the present embodiment having the above configuration, in a state where the cap unit 1G is attached to the container body 2, water droplets adhering to the lower surface of the inner plug 10 are applied to the inclined surface 14a of the lower surface convex portion 14. Along with this, it is possible to easily drop the container body 2 into the inside.

On the other hand, when the cap unit 1G is removed from the container body 2, water droplets adhering to the lower surface of the inner plug 10 due to the inclination of the cap unit 1G are applied to the lower surface of the water blocking packing 12 along the inclined surface 14a of the lower surface convex portion 14. It flows into the gap S formed between the side protrusion 18 and the side protrusion 18.

At this time, the amount of water droplets adhering to the lower surface of the inner plug 10 is smaller than that of the cap unit 1A, and the amount of water droplets accumulated in the gap S can be suppressed. Therefore, it is possible to further suppress the drop of water droplets adhering to the lower surface of the inner plug 10.

As a result, in the container with a cap 100G of the present embodiment, when the cap unit 1G is removed from the container body 2, it is possible to prevent the surroundings from getting wet by water droplets adhering to the lower surface of the inner plug 10. ..

Further, in the capped container 100G of the present embodiment, the lower surface side protruding portion 18 of the water blocking packing 12 is easily pinched by the gap S formed between the inner plug 10 and the lower surface. In this case, the water blocking packing 12 can be easily removed from the inner plug 10 (cap body 8) by elastically deforming (pulling and stretching) the water blocking packing 12 while pinching the lower surface side protruding portion 18. ..

As described above, in the container with a cap 100G of the present embodiment, when the cap unit 1G is removed from the container body 2, it is possible to prevent the surroundings from getting wet by water droplets adhering to the lower surface of the inner plug 10. Is. Further, in the container with a cap 100G of the present embodiment, it is possible to further improve the usability by providing the above-mentioned cap unit 1G.

(8th Embodiment)
Next, as an eighth embodiment of the present invention, for example, the lower surface side protrusions 19 and 20 shown in FIGS. 8A and 8B will be described.

Note that FIG. 8A is a cross-sectional view of a main part showing the configuration of the lower surface side protruding portion 19. FIG. 8B is a cross-sectional view of a main part showing the configuration of the lower surface side protruding portion 20. Further, in the following description, the same parts as those of the water blocking cap 12 will be omitted and the same reference numerals will be given in the drawings.

The waterproof packing 12 shown in FIGS. 8 (A) and 8 (B) has lower surface side projecting portions 19 and 20 projecting in a direction away from the position where the inner plug 10 is in contact with the lower surface over the entire circumference. doing. Of these, the lower surface side protruding portion 19 shown in FIG. 8A has a vertical surface 19a on the inner peripheral side thereof that is perpendicular to the lower surface of the inner plug 10. On the other hand, the lower surface side protruding portion 20 shown in FIG. 8B has an inverted inclined surface 20a on the inner peripheral side thereof, which has an obtuse angle with respect to the lower surface of the inner plug 10.

When the waterproof packing 12 having such a configuration is used, the water droplets adhering to the lower surface of the inner plug 10 are placed along the vertical surface 19a of the lower surface side protrusion 19 and the reverse inclined surface 20a of the lower surface side protrusion 20 to form a container. It is possible to drop water droplets inside the main body 2.

Therefore, the waterproof packing 12 shown in FIGS. 8A and 8B is preferably used for the cap unit provided with the lower surface recess 17 described above. That is, in a state where the cap unit is attached to the container body 2, water droplets adhering to the lower surface of the inner plug 10 flow down from the center of the lower surface of the inner plug 10 to the outer peripheral side along the inclined surface 17a of the lower surface recess 17. After that, it is possible to drop water droplets on the inside of the container body 2 along the vertical surface 19a of the lower surface side protruding portion 19 of the water blocking packing 12 and the reverse inclined surface 20a of the lower surface side protruding portion 20.

As a result, when the cap unit is removed from the container body 2, it is possible to prevent the surroundings from getting wet due to water droplets adhering to the lower surface of the inner plug 10.

(9th embodiment)
Next, as a ninth embodiment of the present invention, for example, a configuration in which shape changing portions 21A to 21D are provided on a part of the lower surface side protruding portions 13 shown in FIGS. 9A to 9D will be described.

Note that FIG. 9A is a cross-sectional perspective view of a main part showing the configuration of the shape changing portion 21A. FIG. 9B is a cross-sectional perspective view of a main part showing the configuration of the shape changing portion 21B. FIG. 9C is a cross-sectional perspective view of a main part showing the configuration of the shape changing portion 21C. FIG. 9D is a cross-sectional perspective view of a main part showing the configuration of the shape changing portion 21D. Further, in the following description, the same parts as those of the water blocking cap 12 will be omitted and the same reference numerals will be given in the drawings.

The waterproof packings 12 shown in FIGS. 9A to 9D have shape changing portions 21A to 21D in which the shape of a part of the lower surface side protruding portion 13 is changed. Of these, the shape changing portion 21A shown in FIG. 9A is composed of a substantially V-shaped notch portion that cuts out a part of the lower surface side protruding portion 13. On the other hand, the shape changing portion 21B shown in FIG. 9B is formed by a groove portion having a substantially V-shaped cross section, which is located on the inner peripheral side of the lower surface side protruding portion 13 and gradually widens downward. .. On the other hand, the shape changing portion 21C shown in FIG. 9C is composed of a protruding piece in which a part of the lower surface side protruding portion 13 is projected from the tip side in a pointed shape. On the other hand, the shape changing portion 21D shown in FIG. 9D is composed of an eaves portion in which a part of the lower surface side protruding portion 13 is projected from the inner peripheral side in a pointed direction in the radial direction.

When the waterproof packing 12 having such a configuration is used, the drainage of the water droplets accumulated in the gap S is improved, and the water droplets accumulated in the gap S are discharged along the shape changing portions 21A to 21D in the container body 2 It is possible to drop it inside. The shape changing portions 21A to 21D are also effective when the user intentionally shakes off the water droplets accumulated in the gap S.

(10th Embodiment)
Next, as a tenth embodiment of the present invention, for example, a capped container 100H provided with the cap unit 1H shown in FIG. 10 will be described.
FIG. 10 is a cross-sectional view showing the configuration of a capped container 100H provided with the cap unit 1H. Further, in the following description, the same parts as the capped container 100A provided with the cap unit 1A will be omitted and the same reference numerals will be given in the drawings.

As shown in FIG. 10, the capped container 100H of the present embodiment has a configuration in which the cap unit 1H is detachably attached to the container body 2 instead of the cap unit 1A.

Specifically, the cap unit 1H has basically the same configuration as the cap unit 1A except that the shape of the lower surface of the inner plug 10 is different. That is, on the lower surface of the inner plug 10, at least one or a plurality of (three in the present embodiment) lower surface convex portions 22 formed in a ring shape (circular shape in the present embodiment) in a plan view are provided. ..

The plurality of lower surface convex portions 22 are arranged concentrically from the center of the lower surface of the inner plug 10. Further, each lower surface convex portion 22 has a pointed shape that protrudes downward from the bottom wall portion 10a constituting the lower surface of the inner plug 10 in a substantially triangular shape in a cross-sectional view.

In the present embodiment, the plurality of lower surface convex portions 22 are arranged concentrically from the center, but one lower surface convex portion 22 may be arranged. Further, the arrangement may be offset from the center of the lower surface of the inner plug 10. Further, the lower surface convex portion 22 is not limited to the one formed in a circular shape in the above-mentioned plan view, and may be formed in an elliptical shape, for example. Further, the lower surface convex portion 22 is not limited to the pointed shape protruding in a substantially triangular shape in the cross-sectional view described above, and may have a shape protruding in a thin plate shape. Further, the lower surface convex portion 22 can also be formed by utilizing the shrinkage of the resin material when molding the inner plug 10.

In the container with a cap 100H of the present embodiment having the above configuration, in a state where the cap unit 1H is attached to the container body 2, water droplets adhering to the lower surface of the inner plug 10 are placed along the lower surface convex portion 22 of the container. It is possible to make it easy to fall inside the main body 2.

On the other hand, when the cap unit 1H is removed from the container body 2, the cap 1H is rotated with respect to the container body 2 in the direction of unscrewing the male screw portion 11 and the female screw portion 6. At this time, due to the centrifugal force acting on the inner plug 10, the water droplets adhering to the lower surface of the inner plug 10 can be dropped to the inside of the container body 2 along the lower surface convex portion 22.

On the other hand, when the cap unit 1H is removed from the container body 2, water droplets adhering to the lower surface of the inner plug 10 due to the inclination of the cap unit 1H protrude toward the lower surface side of the waterproof packing 12 along the lower surface of the inner plug 10. It flows into the gap S formed between the portion 13 and the portion 13.

In this case, by collecting water droplets in the gap S, it is possible to suppress the falling of water droplets adhering to the lower surface of the inner plug 10. Further, in the cap unit 1H of the present embodiment, there are fewer water droplets adhering to the lower surface of the inner plug 10 than in the case of the cap unit 1A, and the amount of water droplets accumulated in the gap S can be suppressed. Therefore, it is possible to further suppress the drop of water droplets adhering to the lower surface of the inner plug 10.

As a result, in the container with a cap 100H of the present embodiment, when the cap unit 1H is removed from the container body 2, it is possible to prevent the surroundings from getting wet by water droplets adhering to the lower surface of the inner plug 10. ..

Further, in the capped container 100H of the present embodiment, the lower surface side protruding portion 18 of the water blocking packing 12 is easily pinched by the gap S formed between the inner plug 10 and the lower surface. In this case, the water blocking packing 12 can be easily removed from the inner plug 10 (cap body 8) by elastically deforming (pulling and stretching) the water blocking packing 12 while pinching the lower surface side protruding portion 18. ..

As described above, in the container with a cap 100H of the present embodiment, when the cap unit 1H is removed from the container body 2, it is possible to prevent the surroundings from getting wet by water droplets adhering to the lower surface of the inner plug 10. Is. Further, in the container with a cap 100H of the present embodiment, it is possible to further improve the usability by providing the cap unit 1H described above.

The present invention is not necessarily limited to that of the above embodiment, and various modifications can be made without departing from the spirit of the present invention.
For example, the cap units 1A to 1H may have a structure in which a part or the entire surface of the lower surface of the inner plug 10 is subjected to fine uneven processing. As for the uneven processing, for example, the surface of the bottom wall portion 10a constituting the lower surface of the inner plug 10 can be textured.

In the cap units 1A to 1H, by increasing the surface area of the lower surface of the inner plug 10 subjected to such uneven processing, water droplets adhering to the lower surface of the inner plug 10 can be grown until they become larger. As a result, it is possible to make it easier for the greatly grown water droplets to fall inside the container body 2. Further, the greatly grown water droplets can easily fall inside the container body 2 while entraining the surrounding water droplets when the cap units 1A to 1H are removed or reattached from the container body 2 described above. Is.

Further, the cap units 1A to 1H are configured such that the inner plug 10 is screwed to the container body 2 in a state of being fitted inward from the upper opening 2a of the container body 2 described above. However, it is not necessarily limited to such a configuration. For example, the cap units 1A to 1H may be configured such that the outer lid 9 is screwed to the container body 2 with the upper opening 2a of the container body 2 covered from the outside.

In the case of this configuration, instead of the female screw portion 6 and the male screw portion 11 described above, the male screw portion provided on the outer peripheral surface of the mouth neck portion 2d and the inner peripheral surface of the peripheral wall portion 9a constituting the outer lid 9 The outer lid 9 (cap body 8) may be detachably attached to the container body 2 by screwing with the provided female screw portion.

Further, the cap units 1A to 1H are configured to directly open and close the upper opening 2a of the container body 2 described above, but the configuration is not necessarily limited to such a configuration. For example, the lid body can be opened and closed with respect to the cap body attached to the container body 2.

In the case of this configuration, the lid may be attached to the cap body by screwing, or the lid may be rotatably attached to the cap body via a hinge portion. May be good.

In the above embodiment, the case where the present invention is applied to a beverage container having a heat retaining function (or a cold retaining function) by the container main body 2 having the vacuum heat insulating structure described above is illustrated. The present invention can be widely applied to a container with a cap provided with a cap unit that can be detachably attached to the container body.

1A ~ 1H ... Cap unit 2 ... Container body 3 ... Outer container 4 ... Inner container 5 ... Vacuum insulation layer 6 ... Female screw part 7 ... Overhanging part 8 ... Cap body 9 ... Outer lid 10 ... Inner plug 11 ... Male screw part 12 ... Water-stop packing (seal member) 13, 18, 19, 20 ... Lower surface side protruding portion 14, 15, 16 ... Lower surface convex portion 17 ... Lower surface concave portion 21A to 21D ... Shape change portion 22 ... Lower surface convex portion 100A to 100H ... Container with cap S ... Gap

Claims (13)

A cap unit that can be detachably attached to the container body with an open top.
An outer lid that covers the upper opening of the container body and
An inner plug located at the center inside the outer lid and fitted into the inside of the container body from the upper opening.
A sealing member located on the outer peripheral portion on the lower end side of the inner plug and sealing between the container body and the inner plug is provided.
The seal member is a cap unit having a lower surface-side protruding portion that protrudes from a position where the seal member comes into contact with the lower surface of the inner plug over the entire circumference in a direction away from the position. The lower surface side protruding portion has an inclined surface having an acute angle with respect to the lower surface of the inner plug on the inner peripheral side thereof.
The cap unit according to claim 1, wherein a gap is provided between the inclined surface and the lower surface of the inner plug. A cap unit that can be detachably attached to the container body with an open top.
An outer lid that covers the upper opening of the container body and
An inner plug located at the center inside the outer lid and fitted into the inside of the container body from the upper opening.
A seal member for sealing between the container body and the inner plug is provided in a state of being detachably attached to the outer peripheral portion on the lower end side of the inner plug.
The seal member has a lower surface-side protruding portion that protrudes in the diameter reduction direction from a position where it contacts the outer peripheral portion on the lower surface side of the inner plug over the entire circumference.
A cap unit characterized in that a gap is provided between the upper surface of the lower surface side protrusion and the lower surface of the inner plug. The cap unit according to any one of claims 1 to 3, wherein the seal member has a shape-changing portion in which a part of the lower surface-side protruding portion is changed. The cap unit according to any one of claims 1 to 4, wherein the seal member is made of a ring-shaped elastic member and is detachably attached to an outer peripheral portion on the lower end side of the inner plug. .. The sealing member has an elastic flange portion that protrudes from the outer peripheral surface in the diameter-expanding direction.
A claim characterized in that the elastic flange portion is in close contact with the overhanging portion protruding from the inside of the container body over the entire circumference to seal between the container body and the inner plug. Item 5. The cap unit according to item 5. The cap unit according to any one of claims 1 to 6, wherein the inner plug has a lower surface convex portion having a part or the entire surface of the lower surface projecting downward. The cap unit according to claim 7, wherein the lower surface convex portion is formed in a ring shape in a plan view. The cap unit according to any one of claims 1 to 6, wherein the inner plug has a lower surface recess whose lower surface is recessed upward. The cap unit according to any one of claims 1 to 9, wherein the inner plug is subjected to uneven processing on a part or the entire surface of the lower surface thereof. The cap unit according to any one of claims 1 to 10, wherein the inner plug or the outer lid is attached to the container body by screwing. The cap unit according to any one of claims 1 to 11.
A container with a cap including a container body to which the cap unit is attached. The container with a cap according to claim 12, wherein the container body has a vacuum heat insulating structure.

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