CN111977160B - Cap unit and capped container - Google Patents

Abstract

The present invention provides a cap unit that prevents the surrounding area from getting wet due to water droplets adhering to the lower surface of the inner plug when it is removed from the container body. A cover unit (1A), detachably mounted on a container body (2) with an upper opening, and comprising: an outer cover (9) covering the upper opening (2a) of the container body (2); an inner plug (10 ), which is located at the central part of the inner side of the outer cover (9), and is embedded in the inner side of the container main body (2) from the upper opening (2a); and the sealing member (12), which is located at the lower end side of the inner plug (10) The outer peripheral portion of the container body (2) and the inner plug (10) are sealed, and the sealing member (12) has a lower surface side protrusion (13), and the lower surface side protrusion (13) is from the whole circumference to the inner plug (10). The position where the lower surface of the inner plug (10) contacts protrudes toward the direction of separation.

Description

Lid units and containers with lids

technical field

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

Background technique

Conventionally, there is a container with a lid provided with a lid unit (plug body) which closes the upper opening of the container body by being detachably attached to the neck portion of the container body with the upper opening (eg , refer to the following Patent Document 1.).

This cap unit has an outer cap that covers the upper opening of the container body, and an inner plug that fits inside the container body from the upper opening, and has a structure in which the inner plug or the outer cap is screwed to the cap body. . In addition, a waterproof packing (sealing member) for sealing between the container main body and the inner plug is detachably attached to the outer peripheral portion of the inner plug.

Patent Document 1: Japanese Patent Laid-Open No. 2010-280402

However, in the above container with a lid, for example, when a hot drink is poured into the container main body, the water vapor saturated in the container main body condenses on the lower surface of the inner plug, and becomes water droplets and adheres to the lower surface of the inner plug. surface. The water drop attached to the lower surface of the inner plug gradually grows and falls into the container main body by its own weight.

On the other hand, when the cap unit is removed from the container main body, water droplets adhering to the lower surface of the inner plug may flow down from the inclined cap unit to 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 main body, when the cap unit is removed from the container main body, it can be suppressed that the surroundings will get wet due to the water droplets adhering to the lower surface of the inner plug. Condition. However, water droplets adhering to the lower surface of the inner plug are difficult to fall due to surface tension acting on the lower surface of the inner plug.

Contents of the invention

The present invention has been made in view of such a conventional situation, and an object of the present invention is to provide a cap unit that prevents the surrounding from getting wet due to water droplets adhering to the lower surface of the inner plug when detached from the container body. And a container with a lid that can further improve usability due to the inclusion of the lid unit.

In order to achieve the above objects, the present invention provides the following mechanisms.

A cover unit detachably attached to a container body with an upper opening, comprising: an outer cover covering the upper opening of the container main body; an inner plug located at a central portion inside the outer cover, and Fitted inside the container main body from the upper opening; and a sealing member that is located on the outer peripheral portion of the lower end side of the inner plug and seals between the container main body and the inner plug, and has a lower surface side protruding from the sealing member. The lower surface-side protruding portion protrudes in a direction of separation from a position that contacts the lower surface of the inner plug over the entire circumference.

According to the above-described cap unit, the lower-surface-side protruding portion has an inclined surface forming an acute angle with respect to the lower surface of the inner plug on its inner peripheral side, and is provided between the inclined surface and the lower surface of the inner plug. There are gaps.

A cover unit detachably attached to a container body with an upper opening, comprising: an outer cover covering the upper opening of the container main body; an inner plug located at a central portion inside the outer cover, and Fitted inside the container body from the upper opening; and a sealing member that seals between the container body and the inner plug in a state where it is detachably attached to the outer peripheral portion of the lower end side of the inner plug. The sealing member has a lower-surface-side protruding portion that protrudes toward a diameter-reducing direction from a position in contact with the outer peripheral portion on the lower-surface side of the inner plug over the entire circumference. There is a gap between the inner plug and the lower surface of the inner plug.

According to the lid unit described above, the sealing member has a shape changing portion that changes the shape of a part of the lower surface side protrusion.

According to the above-described cap unit, the sealing member is formed of an annular elastic member detachably attached to the outer peripheral portion on the lower end side of the inner plug.

According to the above-described cap unit, the sealing member has an elastic flange portion protruding from its outer peripheral surface in a diameter-expanding direction, and the elastic flange portion protrudes from the inner side of the container body over the entire circumference by being in close contact with it. The state of the protruding portion seals the space between the container body and the inner plug.

According to the above-described cap unit, the inner plug has a lower surface protrusion protruding downward from a part or the entire lower surface of the inner plug.

According to the lid unit described above, the lower surface convex portion is formed in a ring shape in plan view.

According to the cap unit described above, the inner plug has a lower surface concave portion in which the lower surface is depressed upward.

According to the above-described cap unit, the inner plug is characterized in that a part or the entire lower surface of the inner plug is provided with concave-convex processing.

According to the cap unit described above, the inner plug or the outer cap is attached to the container body by screwing.

A container with a lid, comprising: the above-mentioned lid unit; and a container body to which the lid unit is attached.

According to the above container with a lid, the container main body has a vacuum heat insulation structure.

As described above, according to the present invention, it is possible to provide a cap unit that prevents the surrounding from getting wet due to water droplets adhering to the lower surface of the inner plug when detached from the container main body, and by including such a cap unit, it is possible to A container with a lid that further enhances the convenience of use.

Description of drawings

Fig. 1 is a cross-sectional view showing the structure of a container with a lid including a lid unit according to a first embodiment of the present invention.

2 is a cross-sectional view showing the structure of a container with a lid including a lid unit according to a second embodiment of the present invention.

3 is a cross-sectional view showing the structure of a container with a lid including a lid unit according to a third embodiment of the present invention.

4 is a cross-sectional view showing the structure of a container with a lid including a lid unit according to a fourth embodiment of the present invention.

5 is a cross-sectional view showing the structure of a container with a lid including a lid unit according to a fifth embodiment of the present invention.

6 is a cross-sectional view showing the structure of a container with a lid including a lid unit according to a sixth embodiment of the present invention.

7 is a cross-sectional view showing the structure of a container with a lid including a lid unit according to a seventh embodiment of the present invention.

8A and 8B are cross-sectional views of main parts showing other structural examples of the lower surface side protrusions in the eighth embodiment of the present invention.

FIGS. 9A to 9D are cross-sectional perspective views of main parts illustrating a structure in which a shape changing portion is provided on a part of a lower surface side protrusion in a ninth embodiment of the present invention.

10 is a cross-sectional view showing the structure of a container with a lid including a lid unit according to a tenth embodiment of the present invention.

Explanation of reference signs:

1A～1H...lid unit; 2...container main body; 3...outer container; 4...inner container; 5...vacuum heat insulation layer; ;10...inner plug; 11...external thread part; 12...waterproof gasket (sealing part); 13, 18, 19, 20...lower surface side protrusion; 14, 15, 16...lower surface convex part; 17... Lower surface recesses; 21A to 21D...shape changing parts; 22...lower surface convex parts; 100A to 100H...capped containers; S...gap.

Detailed ways

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 including a cap unit 1A shown in FIG. 1 will be described.

Moreover, it is a cross-sectional view which shows the structure of 100 A of containers with lid|covers provided with 1 A of lid|cover units.

As shown in FIG. 1 , a container with a lid 100A according to the present embodiment is a container for beverages including a container body 2 with an upper opening and a lid unit 1A detachably attached to the container body 2 , and can be accommodated in the container body 2 . The hot beverage (built-in) is kept warm. Moreover, in 100 A of containers with lids, the upper opening part 2a of the container main body 2 can be opened and closed by the cap unit 1A attached to the container main body 2 by screwing.

Specifically, the container main body 2 has a metal outer container 3 and an inner container 4 made of, for example, stainless steel. The container main body 2 has a vacuum insulation structure in which the mutual open ends are joined to each other in a state where the inner container 4 open at one end is housed inside the outer container 3 open at one end, and between these outer containers 3 and the inner container 4 A vacuum insulation layer 5 is provided.

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 solder in a chamber decompressed (evacuated) to a high vacuum.

Since the container main body 2 has such a vacuum heat insulation structure, it can have the above-mentioned function of keeping warm or cold. In addition, since the container main body 2 has such a vacuum heat insulation structure, tension is always applied to the outer container 3 and the inner container 4 by utilizing the difference between the internal pressure (vacuum pressure) and the external pressure (atmospheric pressure). , so that the mechanical strength of these outer containers 3 and inner containers 4 is increased. Accordingly, 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 main body 2 has: a substantially circular bottom portion 2b; a body portion 2c that rises in a substantially cylindrical shape from the outer periphery of the bottom portion 2b; and a neck portion 2d that is substantially circular from the upper side of the body portion 2c Stand up cylindrically. In addition, the upper end portion of the neck portion 2d is opened in a circular shape as the upper opening portion 2a of the container body 2 .

The internal thread part 6 is provided in the inner peripheral surface of 2 d of mouth necks. Further, under the internal thread portion 6 , an annular protruding portion 7 protrudes from the inner peripheral surface of the inner container 4 over the entire circumference.

In addition, 100 A of containers with lid|covers of this embodiment have a substantially cylindrical external appearance shape as a whole, However, The external appearance shape of 100 A of container with lids is not specifically limited, It can change suitably according to a size, an external design, etc. In addition, painting, printing, etc. may be performed on the outer peripheral surface of the container main body 2 (outer container 3).

The lid unit 1A of the present embodiment constitutes a stopper that closes the upper opening 2 a of the container body 2 . Specifically, this lid unit 1A includes a lid body 8 that is attached to the container body 2 by screwing in a state covering the upper opening 2 a of the container body 2 .

The cap body 8 has an outer cap 9 covering the upper opening 2a of the container body 2, and an inner plug 10 fitted into the container body 2 from the upper opening 2a.

The outer cover 9 is made of, for example, heat-resistant resin such as polypropylene and Tritan (registered trademark), and has: a peripheral wall portion 9a whose appearance is formed in a substantially cylindrical shape so as to be continuous with the trunk portion 2c of the container main body 2; The wall part 9b closes the upper part of the peripheral wall part 9a.

The inner plug 10 is made of, for example, heat-resistant resin such as polypropylene and Tritan (registered trademark), and has: a substantially circular bottom wall portion 10a; stand up. The inner plug 10 is positioned at the inner central portion of the outer cap 9, and the peripheral wall portion 10b is integrally attached to the lower surface central portion of the upper wall portion 9b by welding or the like. In addition, the inside of the inner plug 10 may be configured so that a heat insulating material (not shown) is disposed, and is not limited to air serving as a heat insulating layer.

Moreover, the external thread part 11 is provided in the outer peripheral surface of the peripheral wall part 10b (inner plug 10). In the capped container 100A, the inner plug 10 (cap body 8 ) is detachably attached to the container body 2 by screwing the external thread portion 11 and the internal thread portion 6 . In addition, the internally threaded portion 6 and the externally threaded portion 11 are constituted by mutually complementary double-flight threads. When the double thread is used, the cap body 8 (cap unit 1A) can be attached to and detached from the container body 2 with a relatively small rotation operation (approximately 180° in this embodiment).

A waterproof packing 12 is detachably attached to the outer peripheral portion on the lower end side of the inner plug 10 . The waterproof packing 12 is an annular sealing member that seals between the inner side of the container body 2 and the inner plug 10 , and is made of, for example, heat-resistant rubber such as silicone rubber, or an elastic member such as an elastomer.

The lower end side of the inner plug 10 is provided with: a reduced diameter portion 10c whose diameter is reduced compared with the outer diameter of the peripheral wall portion 10b; and an annular flange portion 10d extending over the entire circumference from the lower end of the reduced diameter portion 10c. protruding in the diameter-expanding direction; and an annular groove portion 10e located between the diameter-reducing portion 10c and the flange portion 10d.

On the other hand, on the inner peripheral surface of the waterproof packing 12, there are provided: an annular fitting convex portion 12a fitted into the groove portion 10e; and an annular fitting concave portion 12b into which the flange portion 10d is fitted. combine. The waterproof gasket 12 is detachably attached to the outer peripheral portion of 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.

In addition, on the outer peripheral surface of the waterproof packing 12, two elastic flange portions 12c are protrudingly provided in the diameter-expanding direction. The waterproof packing 12 is in a state where the elastic flange portion 12c is elastically deformed when the cap body 8 is attached to the container body 2 and is in close contact with the extension portion 7 of the container body 2 over the entire circumference. Thereby, it is possible to seal (watertight) between the extension portion 7 (container body 2 ) and the inner plug 10 (cap body 8 ).

On the other hand, the waterproof packing 12 can be detached from the inner plug 10 (cap body 8 ) by elastically deforming (stretching and elongating) itself. Thereby, the cover main body 8 and the water stop packing 12 can be cleaned individually, and the hygiene between the water stop packing 12 and the cover main body 8 can be maintained.

In addition, the waterproof gasket 12 is not necessarily limited to the above-mentioned shape, and for example, the number of the elastic flange parts 12c is not limited to the above-mentioned two, and may be formed in one or more.

In addition, the waterproof packing 12 is not necessarily limited to the structure provided with the above-mentioned elastic flange part 12c, The shape etc. can be changed suitably. For example, it may be configured such that an elastic flange portion having a shape bent downward from the upper end of the outer peripheral surface of the waterproof packing 12 and projecting may be provided.

The waterproof gasket 12 has a lower-surface-side protrusion 13 protruding in a separation direction (downward) from a position in contact with the lower surface of the bottom wall portion 10 a (inner plug 10 ) over the entire circumference. The lower surface side protrusion 13 has an inclined surface 13 a forming an acute angle with respect to the lower surface of the inner plug 10 on the inner peripheral side. Thus, a gap S is provided over the entire circumference between the inclined surface 13 a and the lower surface of the inner plug 10 .

In the capped container 100A of the present embodiment having the above-mentioned structure, the outer cap 9 (cap body 8 ) is positioned relative to the container body in a state where the inner plug 10 is fitted from the upper opening 2 a to the inside of the container body 2 . 2. By turning clockwise (hereinafter, referred to as “closing direction”), the cap unit 1A can be attached to the container body 2 by screwing the internal thread portion 6 and the external thread portion 11.

On the other hand, from the state where the lid body 8 (lid unit 1A) is attached to the container body 2, the outer lid 9 (lid body 8) is rotated counterclockwise (hereinafter referred to as "opening direction") relative to the container body 2, Thereby, the screwing of the internal thread part 6 and the external thread part 11 is released, and the cap unit 1A can be detached from the container main body 2 .

However, in the capped container 100A of this embodiment, in the state where the cap unit 1A is attached to the container body 2, water vapor saturated in the container body 2 condenses on the lower surface of the inner plug 10 to form water droplets (not shown). ) and attached to the lower surface of the inner plug 10. In addition, water droplets adhering to the lower surface of the inner plug 10 are less likely to fall due to 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 main body 2, the water droplets adhering to the lower surface of the inner plug 10 flow along the lower surface of the inner plug 10 to the water-stop gasket due to the inclination of the cap unit 1A. The space S formed between the lower surface side protrusions 13 of 12 flows in. In this case, water droplets accumulate in the gap S, and the falling of the water droplets adhering to the lower surface of the inner plug 10 can be suppressed.

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

Accordingly, in the container with a lid 100A according to the present embodiment, when the lid unit 1A is removed from the container body 2 , it is possible to suppress the surrounding from getting wet due to the water droplets adhering to the lower surface of the inner plug 10 .

Moreover, in 100 A of container with lid|covers of this embodiment, the bottom surface side protrusion part 13 of the water-stop packing 12 becomes easy to catch by the gap S formed between the inner plug 10 and the bottom surface. In this case, the waterproof packing 12 can be easily detached from the inner plug 10 (cap main body 8 ) by grasping the lower surface side protrusion 13 and elastically deforming (stretching and elongating) the waterproof packing 12 . .

In addition, in order to easily grasp the lower surface side protrusion 13, it is preferable to provide at least a gap S equal to or greater than the thickness of the lower surface side protrusion 13 (water stop packing 12). In addition, in order to make it easier for water droplets to accumulate in the gap S, it is preferable to set the angle of the inclined surface 13 a of the lower surface side protrusion 13 to a range of 10° to 80°.

As mentioned above, in 100 A of containers with lid|covers of this embodiment, since 1 A of lid|cover units mentioned above are provided, the improvement of further usability can be aimed at.

(second embodiment)

Next, as a second embodiment of the present invention, for example, a capped container 100B including a cap unit 1B shown in FIG. 2 will be described.

In addition, FIG. 2 is a cross-sectional view showing the structure of a container with a lid 100B including the lid unit 1B. In addition, in the following description, the description is abbreviate|omitted about the part equivalent to 100 A of containers with lid|covers which comprise the said lid|cover unit 1A mentioned above, and the same code|symbol is attached|subjected in drawing.

As shown in FIG. 2 , a container 100B with a lid according to the present embodiment is configured to include a lid unit 1B detachably attached to the container main body 2 instead of the lid unit 1A described above.

Specifically, this cap unit 1B has basically the same structure as the above-described cap unit 1A except that the shape of the lower surface of the inner plug 10 is different. That is, the 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 10 a constituting the lower surface of the inner plug 10 protrudes downward in a substantially conical shape. In addition, the lower surface convex portion 14 has an inclined surface 14 a that is linearly inclined toward the lower surface central portion of the inner plug 10 .

In the capped container 100B of the present embodiment having the above-mentioned structure, in the state where the cap unit 1B is attached to the container body 2, the water droplets adhering to the lower surface of the inner plug 10 can be easily moved along the lower surface convex portion 14. The inclined surface 14a falls toward the inside of the container main body 2 .

On the other hand, when the cap unit 1B is removed from the container main body 2, the water droplets adhering to the lower surface of the inner plug 10 flow toward the water-stop liner along the inclined surface 14a of the convex portion 14 on the lower surface due to the inclination of the cap unit 1B. The space S formed between the lower surface side protrusions 13 of the pad 12 flows in.

At this time, there are fewer water droplets adhering to the lower surface of the inner plug 10 than in the case of the lid unit 1A described above, and the amount of water droplets accumulating in the gap S is suppressed. Therefore, it is possible to further suppress the falling of water droplets adhering to the lower surface of the inner plug 10 .

On the other hand, when the lid unit 1B is reattached to the container body 2, the water droplets flowing into the gap S can be directed toward the container body along the inclined surface 13a of the lower surface side protrusion 13 and the inclined surface 14a of the lower surface convex portion 14. The inner side of 2 falls.

As described above, in the capped container 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 due to water droplets adhering to the lower surface of the inner plug 10 . In addition, in the lidded container 100B of the present embodiment, by including the lid unit 1B described above, it is possible to further improve usability.

(third embodiment)

Next, as a third embodiment of the present invention, for example, a capped container 100C including a cap unit 1C shown in FIG. 3 will be described.

In addition, FIG. 3 is a cross-sectional view showing the structure of a container with a lid 100C including the lid unit 1C. In addition, in the following description, the description is abbreviate|omitted about the part equivalent to 100 A of containers with lid|covers which comprise the said lid|cover unit 1A mentioned above, and the same code|symbol is attached|subjected in drawing.

As shown in FIG. 3 , a lidded container 100C according to the present embodiment is configured to include a lid unit 1C detachably attached to the container body 2 instead of the lid unit 1A described above.

Specifically, this cap unit 1C has basically the same structure as the cap unit 1A described above except that the shape of the lower surface of the inner plug 10 is different. That is, the 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 10 a constituting the lower surface of the inner plug 10 is curved downward in a concave shape and protrudes in a substantially conical shape. In addition, the lower surface convex portion 15 has an inclined surface 15 a that is concavely curved toward the lower surface central portion of the inner plug 10 and is inclined.

In the capped container 100C of the present embodiment having the above-mentioned structure, in the 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 can be easily moved along the lower surface convex portion 15 . The inclined surface 15a falls toward the inside of the container main body 2 .

On the other hand, when the cap unit 1C is removed from the container main body 2, the water droplets adhering to the lower surface of the inner plug 10 flow toward the water-stop liner along the inclined surface 15a of the convex portion 15 on the lower surface due to the inclination of the cap unit 1C. The space S formed between the lower surface side protrusions 13 of the pad 12 flows in.

At this time, the amount of water droplets adhering to the lower surface of the inner plug 10 is smaller than in the case of the lid unit 1A described above, and the amount of water droplets accumulating in the gap S is suppressed. Therefore, it is possible to further suppress the falling of water droplets adhering to the lower surface of the inner plug 10 .

On the other hand, when the lid unit 1C is reattached to the container body 2, the water droplets flowing into the gap S can be directed toward the container body along the inclined surface 13a of the lower surface side protrusion 13 and the inclined surface 15a of the lower surface convex portion 15. The inner side of 2 falls.

As described above, in the capped container 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 due to water droplets adhering to the lower surface of the inner plug 10 . Moreover, in 100 C of containers with lid|covers of this embodiment, further improvement of usability can be aimed at by providing 1 C of lid|cover units mentioned above.

(fourth embodiment)

Next, as a fourth embodiment of the present invention, for example, a lidded container 100D including a lid unit 1D shown in FIG. 4 will be described.

In addition, FIG. 4 is a cross-sectional view showing the structure of a lidded container 100D including a lid unit 1D. In addition, in the following description, the description is abbreviate|omitted about the part equivalent to 100 A of containers with lid|covers which comprise the said lid|cover unit 1A mentioned above, and the same code|symbol is attached|subjected in drawing.

As shown in FIG. 4 , a capped container 100D according to the present embodiment is configured to include a cap unit 1D detachably attached to the container body 2 instead of the cap unit 1A described above.

Specifically, this cap unit 1D has basically the same structure as the cap unit 1A described above except that the shape of the lower surface of the inner plug 10 is different. That is, the 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 10 a constituting the lower surface of the inner plug 10 protrudes downward in a substantially triangular shape. In addition, the lower surface convex portion 16 has an inclined surface 16 a that is shifted from the center of the lower surface of the inner plug 10 and is linearly inclined toward the lower end thereof.

In the capped container 100D of the present embodiment having the above-mentioned structure, in the 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 can be easily made to flow along the lower surface convex portion 16. The inclined surface 16a falls toward the inside of the container main body 2 .

On the other hand, when the cap unit 1D is removed from the container main body 2, the water droplets adhering to the lower surface of the inner plug 10 flow along the lower surface of the inner plug 10 to the contact with the waterproof gasket 12 due to the inclination of the cap unit 1D. The gap S formed between the lower surface side protrusions 13 flows in.

At this time, there are fewer water droplets adhering to the lower surface of the inner plug 10 than in the case of the lid unit 1A described above, and the amount of water droplets accumulating in the gap S is suppressed. Therefore, it is possible to further suppress the falling of water droplets adhering to the lower surface of the inner plug 10 .

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

As described above, in the capped container 100D of the present embodiment, when the cap unit 1D is removed from the container body 2 , it is possible to prevent the surrounding from getting wet due to water droplets adhering to the lower surface of the inner plug 10 . In addition, in the container 100D with a lid of the present embodiment, by including the above-mentioned lid unit 1D, it is possible to further improve usability.

In addition, 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 this configuration, and a plurality of lower surface convex portions 16 may be provided. In addition, the shape of the lower surface convex portion 16 can also be appropriately changed.

(fifth embodiment)

Next, as a fifth embodiment of the present invention, for example, a capped container 100E including a cap unit 1E shown in FIG. 5 will be described.

In addition, FIG. 5 is a cross-sectional view showing the structure of a container with a lid 100E including the lid unit 1E. In addition, in the following description, the description is abbreviate|omitted about the part equivalent to 100 A of containers with lid|covers which comprise the said lid|cover unit 1A mentioned above, and the same code|symbol is attached|subjected in drawing.

As shown in FIG. 5 , a lidded container 100E of the present embodiment is configured to include a lid unit 1E detachably attached to the container body 2 instead of the lid unit 1A described above.

Specifically, this cap unit 1E has basically the same structure as the above-described cap unit 1A except that the shape of the lower surface of the inner plug 10 is different. That is, a lower surface concave portion 17 is provided on the lower surface of the inner plug 10 . The lower surface concave portion 17 has a spherical shape in which the bottom wall portion 10 a constituting the lower surface of the inner plug 10 is depressed upward. In addition, the lower surface concave portion 17 has an inclined surface 17 a that is concavely curved from the center of the lower surface of the inner plug 10 toward the outer periphery and is inclined.

In the capped container 100E of the present embodiment having the above-mentioned structure, in the state where the cap unit 1E is attached to the container body 2 , the water droplets adhering to the lower surface of the inner plug 10 follow the inclined surface 17 a of the lower surface recess 17 . , flowing down from the center of the lower surface of the inner plug 10 to the outer peripheral side. Thereafter, water droplets can be caused to fall toward the inside of the container body 2 along the inclined surface 13 a of the lower surface side protrusion 13 of the water stop packing 12 .

On the other hand, when the cap unit 1E is removed from the container main body 2, the water droplets adhering to the lower surface of the inner plug 10 flow toward the water-stop packing along the inclined surface 17a of the lower surface recess 17 due to the inclination of the cap unit 1E. The space S formed between the lower surface side protrusions 13 of 12 and the lower surface concave portion 17 flow into it.

At this time, the amount of water droplets adhering to the lower surface of the inner plug 10 is smaller than in the case of the lid unit 1A described above, and the amount of water droplets accumulating in the gap S is suppressed. In addition, compared with the case of the above-described cover unit 1A, a large gap S is ensured. Therefore, it is possible to further suppress the falling of water droplets adhering to the lower surface of the inner plug 10 .

On the other hand, when the lid 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 can fall toward the inside of the container body 2 along the inclined surface 13 a of the lower surface side protrusion 13 .

As described above, in the capped container 100E 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 due to water droplets adhering to the lower surface of the inner plug 10 . In addition, in the lidded container 100E of the present embodiment, further usability can be improved by including the lid unit 1E described above.

(sixth embodiment)

Next, as a sixth embodiment of the present invention, for example, a capped container 100F including a cap unit 1F shown in FIG. 6 will be described.

In addition, FIG. 6 is a cross-sectional view showing the structure of a container with a lid 100F including the lid unit 1F. In addition, in the following description, the description is abbreviate|omitted about the part equivalent to 100 A of containers with lid|covers which comprise the said lid|cover unit 1A mentioned above, and the same code|symbol is attached|subjected in drawing.

As shown in FIG. 6 , a capped container 100F according to the present embodiment is configured to include a cap unit 1F detachably attached to the container body 2 instead of the cap unit 1A described above.

Specifically, this cap unit 1F has basically the same structure as the cap unit 1A described above 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 waterproof packing 12 has a lower-surface-side protruding portion 18 protruding in a radially-shrinking direction from a position in contact with the lower-surface-side outer peripheral portion of the inner plug 10 over the entire circumference. On the other hand, the lower surface of the inner plug 10 is provided with the lower surface recessed part 17 similarly to the said cap unit 1E. Thus, 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 capped container 100F of the present embodiment having the above-mentioned structure, when the cap unit 1F is removed from the container body 2, the water droplets adhering to the lower surface of the inner plug 10 flow along the lower surface due to the inclination of the cap unit 1F. The inclined surface 17 a of the concave portion 17 flows into the gap S formed between the lower surface side protrusion 18 of the waterproof packing 12 and the lower surface concave portion 17 . In this case, water droplets accumulate in the gap S and the lower surface concave portion 17 , so that the falling of the water droplets adhering to the lower surface of the inner plug 10 can be suppressed.

Accordingly, in the capped container 100F of the present embodiment, when the cap unit 1F is removed from the container body 2 , it is possible to suppress the surrounding from getting wet due to the water droplets adhering to the lower surface of the inner plug 10 .

In addition, in the container with a lid 100F of the present embodiment, the lower surface side protrusion 18 of the waterproof packing 12 becomes easy to grip due to the gap S formed between the inner plug 10 and the lower surface. In this case, the waterproof packing 12 can be easily detached from the inner plug 10 (cover main body 8 ) by grasping the lower surface side protrusion 18 and elastically deforming (stretching and elongating) the waterproof packing 12 . .

As described above, in the capped container 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 getting wet due to water droplets adhering to the lower surface of the inner plug 10 . Moreover, in the container 100F with a lid which concerns on this embodiment, further improvement of usability can be aimed at by providing the lid|cover unit 1F mentioned above.

(seventh embodiment)

Next, as a seventh embodiment of the present invention, for example, a lidded container 100G including a lid unit 1G shown in FIG. 7 will be described.

In addition, FIG. 7 is a cross-sectional view showing the structure of a covered container 100G including the cover unit 1G. In addition, in the following description, the description is abbreviate|omitted about the part equivalent to 100 A of containers with lid|covers which comprise the said lid|cover unit 1A mentioned above, and the same code|symbol is attached|subjected in drawing.

As shown in FIG. 7 , a lidded container 100G according to the present embodiment is configured to include a lid unit 1G detachably attached to the container body 2 instead of the lid unit 1A described above.

Specifically, this cover unit 1G has basically the same structure as the above-described cover 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, this waterproof packing 12 has the lower surface side protruding part 18 similarly to the above-mentioned cover unit 1F, and the lower surface side protruding part 18 shrinks from the position which contacts the outer peripheral part of the lower surface side of the inner plug 10 over the whole circumference. protruding radially. On the other hand, the bottom surface of the inner plug 10 is provided with the bottom surface convex part 14 similarly to the said cap unit 1B. Moreover, the bottom wall part 10a which comprises this lower surface convex part 14 is connected to the position above the lower end of the diameter-reduced part 10c. Thus, 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 capped container 100G of the present embodiment having the above-mentioned structure, in the 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 can be easily made to flow along the lower surface convex portion 14. The inclined surface 14a falls toward the inside of the container main body 2 .

On the other hand, when the cap unit 1G is removed from the container main body 2, the water droplets adhering to the lower surface of the inner plug 10 flow toward the water-stop lining along the inclined surface 14a of the convex portion 14 on the lower surface due to the inclination of the cap unit 1G. The space S formed between the lower surface side protrusions 18 of the pad 12 flows in.

At this time, there are fewer water droplets adhering to the lower surface of the inner plug 10 than in the case of the lid unit 1A described above, and the amount of water droplets accumulating in the gap S is suppressed. Therefore, it is possible to further suppress the falling of water droplets adhering to the lower surface of the inner plug 10 .

Accordingly, in the capped container 100G of the present embodiment, when the cap unit 1G is removed from the container body 2 , it is possible to suppress the surrounding from getting wet due to the water droplets adhering to the lower surface of the inner plug 10 .

In addition, in the container 100G with a lid of the present embodiment, the lower surface side protrusion 18 of the waterproof packing 12 becomes easy to grip due to the gap S formed between the inner plug 10 and the lower surface. In this case, the waterproof packing 12 can be easily detached from the inner plug 10 (cover main body 8 ) by grasping the lower surface side protrusion 18 and elastically deforming (stretching and elongating) the waterproof packing 12 . .

As described above, in the capped container 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 due to water droplets adhering to the lower surface of the inner plug 10 . Moreover, in 100 G of containers with lid|covers of this embodiment, further improvement of usability can be aimed at by providing the above-mentioned lid|cover unit 1G.

(eighth 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.

In addition, FIG. 8A is a main part cross-sectional view showing the structure of the lower surface side protrusion 19 . FIG. 8B is a main part cross-sectional view showing the structure of the lower surface side protrusion 20 . In addition, in the following description, description is abbreviate|omitted about the part equivalent to the said water stop cover 12, and the same code|symbol is attached|subjected in drawing.

The waterproof gasket 12 shown in FIGS. 8A and 8B has lower surface side protrusions 19 , 20 , and the lower surface side protrusions 19 , 20 face in the direction of separation from the position where they contact the lower surface of the inner plug 10 over the entire circumference. protrude. Among them, the lower surface side protrusion 19 shown in FIG. 8A has a vertical surface 19 a perpendicular to the lower surface of the inner plug 10 on the inner peripheral side. On the other hand, the lower surface side protrusion 20 shown in FIG. 8B has an obtuse inclined surface 20 a on the inner peripheral side thereof with respect to the lower surface of the inner plug 10 .

In the case of using the waterproof packing 12 having such a structure, the water droplets adhering to the lower surface of the inner plug 10 follow the vertical surface 19 a of the lower surface side protrusion 19 and the inverted inclined surface 20 a of the lower surface side protrusion 20 . , and water droplets can be made to fall to the inside of the container main body 2 .

Therefore, the waterproof gasket 12 shown in FIGS. 8A and 8B is suitable for use in a cover unit provided with the above-mentioned lower surface recessed portion 17 . That is, when 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 toward the outer periphery along the inclined surface 17 a of the lower surface recess 17 . Thereafter, water droplets can be made to fall inside the container main body 2 along the vertical surface 19 a of the lower surface side protrusion 19 of the waterproof packing 12 and the inverted slope 20 a of the lower surface side protrusion 20 .

Thereby, when the cap unit is removed from the container main body 2, it is possible to suppress the surrounding from getting wet due to the water droplets adhering to the lower surface of the inner plug 10. As shown in FIG.

(ninth embodiment)

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

In addition, FIG. 9A is a sectional perspective view of main parts showing the configuration of the shape changing portion 21A. FIG. 9B is a sectional perspective view of main parts showing the configuration of the shape changing portion 21B. FIG. 9C is a sectional perspective view of main parts showing the configuration of the shape changing portion 21C. FIG. 9D is a sectional perspective view of main parts showing the configuration of the shape changing portion 21D. In addition, in the following description, description is abbreviate|omitted about the part equivalent to the said water stop cover 12, and the same code|symbol is attached|subjected in drawing.

The waterproof gasket 12 shown in FIGS. 9A to 9D has shape changing portions 21A to 21D that change the shape of a part of the lower surface side protrusion 13 . Among them, the shape changing portion 21A shown in FIG. 9A is constituted by a substantially V-shaped notch portion in which a part of the lower surface side protrusion 13 is notched. On the other hand, the shape change portion 21B shown in FIG. 9B is formed of a substantially V-shaped groove in cross-section that is located on the inner peripheral side of the lower-surface-side protruding portion 13 and whose width gradually increases downward. On the other hand, the shape changing portion 21C shown in FIG. 9C is constituted by a protruding piece in which a part of the lower surface side protruding portion 13 protrudes in a pointed shape from the front end side. On the other hand, the shape change portion 21D shown in FIG. 9D is constituted by a eave portion in which a part of the lower surface side protrusion 13 protrudes in a pointed shape from the inner peripheral side toward the diameter-reducing direction.

In the case of using the water-stop packing 12 having such a structure, the liquid cut-off of the water droplets accumulated in the gap S can be improved, and the water droplets accumulated in the gap S can flow toward the container main body 2 along the shape changing parts 21A to 21D. The inner side falls. In addition, the shape change parts 21A to 21D are also effective when the user shakes off the water droplets accumulated in the gap S intentionally.

(tenth embodiment)

Next, as a tenth embodiment of the present invention, for example, a lidded container 100H including a lid unit 1H shown in FIG. 10 will be described.

Moreover, FIG. 10 is a sectional view which shows the structure of the container 100H with a cover provided with the cover unit 1H. In addition, in the following description, the description is abbreviate|omitted about the part equivalent to 100 A of containers with lid|covers which comprise the said lid|cover unit 1A mentioned above, and the same code|symbol is attached|subjected in drawing.

As shown in FIG. 10 , a lidded container 100H of the present embodiment is configured to include a lid unit 1H detachably attached to the container body 2 instead of the lid unit 1A described above.

Specifically, this cap unit 1H has basically the same structure as the cap unit 1A described above except that the shape of the lower surface of the inner plug 10 is different. That is, at least one or more (three in this embodiment) lower surface protrusions 22 are provided on the lower surface of the inner plug 10, and when viewed from above, the lower surface protrusions 22 are formed in an annular shape (in this embodiment in a circular shape).

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

In addition, in the present embodiment, a plurality of lower surface convex portions 22 are concentrically arranged from the center, but a single lower surface convex portion 22 may be arranged. In addition, an arrangement offset from the center of the lower surface of the inner plug 10 may also be used. In addition, the lower surface convex part 22 is not limited to the above-mentioned case where it is formed in a circular shape in planar view, For example, it may be formed in an elliptical shape. In addition, the lower surface convex portion 22 is not limited to the above-mentioned pointed shape protruding in a substantially triangular shape in cross-sectional view, and may have a shape protruding in a thin plate shape. Furthermore, the lower surface convex portion 22 can also be formed by shrinkage of the resin material when the inner plug 10 is molded.

In the capped container 100H of the present embodiment having the above-mentioned structure, in the state where the cap unit 1H is attached to the container main body 2, water droplets adhering to the lower surface of the inner plug 10 can be easily moved along the lower surface convex portion 22. Drop to the inside of the container main body 2.

On the other hand, when removing the cap unit 1H from the container body 2 , the cap 1H is rotated relative to the container body 2 in a direction to unscrew the male thread portion 11 and the female thread portion 6 . At this time, the centrifugal force acting on the inner plug 10 can cause the water droplets adhering to the lower surface of the inner plug 10 to fall toward the inside of the container main body 2 along the lower surface convex portion 22 .

On the other hand, when the cap unit 1H is removed from the container main body 2, the water droplets adhering to the lower surface of the inner plug 10 flow along the lower surface of the inner plug 10 to the water-stop packing 12 due to the inclination of the cap unit 1H. The gap S formed between the protrusions 13 on the lower surface side flows in.

In this case, by accumulating water droplets in the gap S, the falling of the water droplets adhering to the lower surface of the inner plug 10 can be suppressed. In addition, in the cap unit 1H of this embodiment, compared with the case of the cap unit 1A described above, there are fewer water droplets adhering to the lower surface of the inner plug 10, and the amount of water droplets accumulating in the gap S is suppressed. Therefore, it is possible to further suppress the falling of water droplets adhering to the lower surface of the inner plug 10 .

Accordingly, in the capped container 100H of the present embodiment, when the cap unit 1H is removed from the container body 2 , it is possible to suppress the surrounding from getting wet due to the water droplets adhering to the lower surface of the inner plug 10 .

In addition, in the container with a lid 100H of the present embodiment, the lower surface side protruding portion 18 of the waterproof packing 12 becomes easy to grip due to the gap S formed between the inner plug 10 and the lower surface. In this case, the waterproof packing 12 can be easily detached from the inner plug 10 (cover main body 8 ) by grasping the lower surface side protrusion 18 and elastically deforming (stretching and elongating) the waterproof packing 12 . .

As described above, in the capped container 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 due to water droplets adhering to the lower surface of the inner plug 10 . In addition, in the container 100H with a lid of this embodiment, by including the above-mentioned lid unit 1H, it is possible to further improve usability.

In addition, this invention is not necessarily limited to the content of the said embodiment, Various changes are possible in the range which does not deviate from the summary of this invention.

For example, the cap units 1A to 1H described above may be configured such that a part or the entire lower surface of the inner plug 10 described above is provided with fine unevenness. With respect to the roughness processing, for example, texture processing etc. can be given to the surface of the bottom wall part 10a which comprises the lower surface of the inner plug 10. As shown in FIG.

In the cap units 1A to 1H described above, the surface area of the lower surface of the inner plug 10 subjected to such concave-convex processing is increased, so that water droplets adhering to the lower surface of the inner plug 10 can grow larger. Thereby, it is possible to easily cause the water droplets that grow relatively large to fall to the inside of the container main body 2 . In addition, when the cover units 1A-1H are removed from the above-mentioned container body 2 and when the cover units 1A-1H are reattached, the water droplets that grow larger can be involved in the surrounding water droplets, and easily fall to the inside of the container body 2 .

In addition, the cap units 1A to 1H described above have a structure in which the inner plug 10 is screwed and attached to the container body 2 in a state fitted inside from the upper opening 2a of the container body 2 described above, but they are not necessarily limited to this. kind of structure. For example, the cover units 1A to 1H may be configured such that the outer cover 9 is screwed and attached to the container body 2 in a state covering the upper opening 2 a of the container body 2 from the outside.

In the case of this structure, what is necessary is just to form the following structure: Instead of the above-mentioned internal thread part 6 and the external thread part 11, the external thread part provided on the outer peripheral surface of the mouth neck part 2d and the external cap 9 are provided. The external cap 9 (cap body 8 ) is detachably attached to the container body 2 by screwing the female thread portion on the inner peripheral surface of the peripheral wall portion 9 a.

In addition, although the said lid|cover unit 1A-1H has the structure which directly opens and closes the upper opening part 2a of the said container main body 2, it is not necessarily limited to this structure. For example, it is also possible to attach the lid body to the lid main body attached to the container main body 2 so as to be openable and closable.

In the case of this structure, the structure which attaches a cover body to a cover main body by screwing may be sufficient, and the structure which rotatably attaches a cover body to a cover main body via a hinge part may be sufficient.

In addition, in the above-mentioned embodiment, although the case where the present invention is applied to a beverage container having a heat-retaining function (or a cold-retaining function) due to the container main body 2 having the above-mentioned vacuum heat insulation structure has been exemplified, the present invention can be The invention is widely applied to a container with a lid including a container body and a lid unit detachably attached to the container body.

Claims (13)

1. A cover unit capable of being detachably mounted on a container body with an upper opening, characterized in that: an outer cover covering the upper opening of the container body; an inner plug located at a central portion of the inner side of the outer cap and fitted into the inner side of the container body from the upper opening; and an annular sealing member, which is located at the outer periphery of the lower end side of the inner plug, and directly seals between the container main body and the inner plug, The sealing member has a lower-surface-side protrusion protruding in a separation direction from a position in contact with the lower surface of the inner plug over the entire circumference. 2. The cover unit according to claim 1, characterized in that, The lower surface side protrusion has an inclined surface forming an acute angle with respect to the lower surface of the inner plug on its inner peripheral side, A gap is provided between the inclined surface and the lower surface of the inner plug. 3. A cover unit detachably attached to a container main body with an upper opening, characterized in that: an outer cover covering the upper opening of the container body; an inner plug located at a central portion of the inner side of the outer cap and fitted into the inner side of the container body from the upper opening; and an annular sealing member that directly seals between the container main body and the inner plug in a state where it is detachably attached to the outer peripheral portion of the lower end side of the inner plug, The sealing member has a lower-surface-side protruding portion that protrudes toward a diameter-reducing direction from a position in contact with an outer peripheral portion on a lower-surface side of the inner plug over the entire circumference, A gap is provided between the upper surface of the lower surface side protrusion and the lower surface of the inner plug. 4. The cover unit according to any one of claims 1 to 3, characterized in that, The sealing member has a shape changing portion that changes the shape of a part of the lower surface side protrusion. 5. The cover unit according to any one of claims 1 to 3, characterized in that, The sealing member is constituted by an annular elastic member detachably attached to the outer peripheral portion on the lower end side of the inner plug. 6. The cover unit according to claim 5, characterized in that, The sealing member has an elastic flange protruding from its outer peripheral surface toward a diameter-expanding direction, When the elastic flange portion is in close contact with the extension portion protruding from the inner side of the container body over the entire circumference, the space between the container body and the inner plug is hermetically sealed. 7. The cover unit according to any one of claims 1 to 3, characterized in that, The inner plug has a lower surface protrusion protruding downward from a part or the entire lower surface of the inner plug. 8. The cover unit according to claim 7, characterized in that, The lower surface convex portion is formed in a ring shape in plan view. 9. The cover unit according to any one of claims 1 to 3, characterized in that, The inner plug has a lower surface concave portion whose lower surface is depressed upward. 10. The cover unit according to any one of claims 1 to 3, characterized in that, The inner plug is provided with concave-convex processing on a part or the entire surface of the lower surface. 11. The cover unit according to any one of claims 1 to 3, characterized in that, The inner plug or the outer cap is mounted on the container body by screwing. 12. A container with a lid, characterized in that it has: The cover unit according to any one of claims 1 to 11; and A container main body to which the lid unit is mounted. 13. The covered container of claim 12, wherein: The container body has a vacuum insulation structure.

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