JP2022180910A - Cap unit and container with cap - Google Patents

Abstract

To provide a cap unit capable of facilitating adjustment of the amount of beverage flowing out through a liquid passage groove.SOLUTION: A lid body 11 provided with an inner plug 12 fitted inside a container body 2 from an upper opening 2d of the container body 2 whose top is open, and a water stop packing 16 that seals between the inside of the container body 2 and the inner plug 12 while being attached to an outer periphery part of the inner plug 12 over the entire circumference are provided. The lid body 11 attached by screwing a female threaded part 8 provided on an inner periphery part of the container body 2 and a male threaded part 15 provided on an outer periphery part of the inner plug 12 has a structure for closing the upper opening 2d. The lid body 11 has a first liquid-permeable groove 17 and a second liquid-permeable groove 18 which are notched in a vertical direction from positions facing each other on the outer periphery part of the inner plug 12, and the first liquid passage groove 17 and the second liquid passage groove 18 are different in size from each other.SELECTED DRAWING: Figure 3

Description

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

Conventionally, there is a container with a cap provided with a cap unit (stopper) that closes the upper opening of the container body by detachably attaching it to the container body having an upper opening (for example, Patent Documents 1 and 2 below). reference.).

Such a cap unit includes a lid provided with an inner plug that is fitted into the inside of the container body from the upper opening of the container body whose top is open. , and has a structure in which a cover attached by screwing with a male screw provided on the outer periphery of the inner plug closes the upper opening. In addition, the lid body is provided with a liquid passage groove that vertically cuts the outer peripheral portion of the inner plug.

In a capped container having such a cap unit, by tilting the container body in a state in which the engagement between the female threaded portion and the male threaded portion is partially released, the liquid passage groove can be opened without removing the lid from the container body. It is possible to pour out the beverage (liquid) in the container body into a cup or the like through the.

JP 2010-280402 A JP 2014-210136 A

By the way, in the above-described conventional cap unit, when the beverage in the container body is poured into a cup or the like, the amount of the beverage flowing out through the liquid passage groove is adjusted by the degree of inclination (angle) of the container body. .

In this case, depending on the amount of the beverage remaining in the container body, the beverage flowing out through the liquid passage groove may pulsate, causing the beverage to scatter around, or the beverage flowing out through the liquid passage groove may run out of liquid. Sometimes it got worse. Further, when a pair of liquid passage grooves are provided at positions facing each other on the outer peripheral portion of the inner plug, the beverage flows through the other liquid passage groove separately from the beverage flowing out through one liquid passage groove. It even leaked out.

SUMMARY OF THE INVENTION The present invention has been proposed in view of such conventional circumstances. An object of the present invention is to provide a capped container capable of further improving usability by providing a unit.

In order to achieve the above object, the present invention provides the following means.
[1] a lid provided with an inner plug fitted into the inside of the container body from the upper opening of the container body with an upper opening;
a waterproof packing that seals between the inner side of the container body and the inner plug in a state of being attached to the outer peripheral portion of the inner plug over the entire circumference,
A structure in which the lid is attached by screwing a female thread provided on the inner periphery of the container body and a male thread provided on the outer periphery of the inner plug to close the upper opening. have
The lid has a first liquid-permeable groove and a second liquid-permeable groove which are notched in the vertical direction from positions opposed to each other on the outer peripheral portion of the inner plug,
A cap unit, wherein the first liquid passage groove and the second liquid passage groove are different in size from each other.
[2] The cap unit according to [1], wherein the first liquid passage groove and the second liquid passage groove have different widths.
[3] The cap unit according to [2], wherein the cross-sectional area of the first liquid passage groove is 10 to 70% of the cross-sectional area of the second liquid passage groove.
[4] The cap unit described in [2] or [3] above, wherein the width of the first liquid passage groove is 1/2 or less of the width of the second liquid passage groove.
[5] Any one of [1] to [4], wherein the first liquid passage groove and the second liquid passage groove have a pair of side surfaces rising parallel to each other from both sides of the bottom surface. or the cap unit according to item 1.
[6] The first liquid-permeable groove and the second liquid-permeable groove are widened in directions away from each other within an angle range of 90° to 100° with respect to the tangential direction of the bottom surface from both sides of the bottom surface. The cap unit according to any one of [1] to [4] above, characterized in that it has a pair of side surfaces that rise vertically.
[7] The lid body has a canopy that protrudes over the entire circumference from an outer peripheral portion on the upper end side of the inner plug,
The canopy is provided with a first recess representing the position of the first liquid passage groove 17 and a second recess representing the position of the second liquid passage groove. [1] The cap unit according to any one of [6].
[8] The cap according to [7], wherein the first liquid-permeable groove and the second liquid-permeable groove are provided so as to cut out part of the lower surface side of the canopy. unit.
[9] The above [1], characterized by comprising a waterproof packing that seals between the inner side of the container body and the inner plug in a state of being attached to the outer peripheral portion of the inner plug over the entire circumference. The cap unit according to any one of [7].
[10] the cap unit according to any one of [1] to [9];
A container with a cap, comprising: a container body to which the cap unit is attached.
[11]
The capped container according to [10] above, wherein the container body has a vacuum insulation structure.

As described above, according to the present invention, the cap unit makes it possible to easily adjust the amount of beverage flowing out through the liquid passage groove, and the provision of such a cap unit improves usability. It is possible to provide a container with a cap that allows further improvement.

1 is a perspective view showing the appearance of a container with a cap according to one embodiment of the present invention; FIG. FIG. 4 is a cross-sectional view showing the structure of a container with a cap. FIG. 4 is a cross-sectional view showing a closed state of a container with a cap. FIG. 4 is a cross-sectional view showing an open state of the capped container; Fig. 2 is an exploded perspective view of one side surface of the container with a cap as viewed from above; FIG. 4 is an exploded perspective view of the other side of the container with a cap as seen from above. FIG. 4 is an exploded perspective view of the other side of the container with a cap as seen from below. FIG. 4 is a cross-sectional view of a horizontally cut cross-section of the cap unit as viewed from below; FIG. 4 is a top view showing the configuration of the cap unit;

BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.
As an embodiment of the present invention, a capped container 100 having a cap unit 1 shown in FIGS. 1 to 9, for example, will be described.

In addition, FIG. 1 is a perspective view showing the appearance of the container 100 with a cap. FIG. 2 is a cross-sectional view showing the configuration of the capped container 100. As shown in FIG. FIG. 3 is a cross-sectional view showing a closed state of the capped container 100. FIG. FIG. 4 is a cross-sectional view showing an open state of the capped container 100. FIG. FIG. 5 is an exploded perspective view of one side of the capped container 100 viewed from above. FIG. 6 is an exploded perspective view of the other side of the capped container 100 viewed from above. FIG. 7 is an exploded perspective view of the other side of the capped container 100 viewed from below. FIG. 8 is a cross-sectional view of a horizontal cross-section of the cap unit 1 as seen from below. FIG. 9 is a top view showing the configuration of the cap unit 1. FIG.

As shown in FIGS. 1 and 2, the capped container 100 of the present embodiment covers the cap unit 1 of the present embodiment, the container body 2 to which the cap unit 1 is detachably attached, and the cap unit 1. A cup 3 detachably attached to the container body 2 is provided.

The capped container 100 is a beverage container capable of keeping the beverage (content) contained in the container body 2 warm or cold by means of the container body 2 having a vacuum insulation structure.

Specifically, the container body 2 has a bottomed cylindrical outer container 4 and an inner container 5 made of, for example, stainless steel. It consists of a double structure container that is joined. A vacuum heat insulating layer 6 is provided between the outer container 4 and the inner container 5 . The vacuum heat-insulating layer 6 can be formed, for example, by plugging a degassing hole provided in the center of the bottom surface of the outer container 4 in a chamber evacuated to a high vacuum.

The container body 2 includes a substantially circular bottom portion 2a, a substantially cylindrical body portion 2b standing upright from the outer circumference of the bottom portion 2a, and a substantially cylindrical neck portion 2c having a reduced diameter on the upper side of the body portion 2b. and Further, the upper end of the mouth/neck portion 2c is opened in a circular shape as the upper opening portion 2d of the container body 2. As shown in FIG.

The inner peripheral portion of the mouth/neck portion 2c is smaller in diameter than the inner peripheral surface of the body portion 2b. A male screw portion 7 is provided on the outer peripheral portion of the mouth/neck portion 2c. On the other hand, a female screw portion 8 is provided on the inner peripheral portion of the mouth/neck portion 2c. Furthermore, below the female threaded portion 8, an overhanging portion 9 is provided so as to protrude from the inner peripheral surface of the container body 2 over the entire circumference.

The cup 3 is made of heat-resistant resin such as polypropylene, and has a substantially circular bottom wall portion 3a and a cylindrical peripheral wall portion rising upward (downward in FIGS. 1 and 2) from the periphery of the bottom wall portion 3a. 3b, and is formed in a cylindrical shape with a bottom as a whole.

The cup 3 is detachably attached to the outside of the mouth/neck portion 2c of the container body 2 by screwing with the bottom wall portion 3a facing upward. For this reason, a female threaded portion 10 to be screwed with the male threaded portion 7 is provided on the inner peripheral portion of the peripheral wall portion 3b.

Although the capped container 100 of the present embodiment has a substantially cylindrical external shape as a whole, the external shape of the capped container 100 is not particularly limited, and the size, design, etc. In addition, it is possible to add changes as appropriate. Further, the outer peripheral surfaces of the container body 2 and the cup 3 may be painted, printed, or the like.

The cap unit 1 of this embodiment includes a lid body 11 that closes the upper opening 2d of the container body 2, as shown in FIGS. The lid body 11 is made of, for example, a heat-resistant resin such as polypropylene. It has a canopy 13 projecting over it.

The lid body 11 has a bottomed substantially cylindrical lower lid member 14a that constitutes the inner plug 12 and the canopy 13, and a substantially circular upper lid member 14b that constitutes the canopy 13. The upper lid member 14b A lower lid member 14a is integrally attached to the lower surface of the housing by ultrasonic welding, high-frequency welding, or the like. In addition, although the inside of the lid body 11 has a structure in which the heat insulating material S is arranged, air serving as a heat insulating layer may be used.

An outer peripheral portion of the inner plug 12 is provided with a male screw portion 15 to be screwed with the female screw portion 8 of the container body 2 . Thus, the lid body 11 is detachably attached to the container body 2 by screwing the female threaded portion 8 and the male threaded portion 15 . Therefore, in the cap unit 1 of this embodiment, the lid body 11 attached by screwing the female screw portion 8 and the male screw portion 15 together closes the upper opening 2 d of the container body 2 .

A waterproof packing 16 is detachably attached to the lower end of the inner plug 12 . The water stop packing 16 is a ring-shaped sealing member, and is made of an elastic member such as heat-resistant rubber such as silicone rubber or elastomer. On the other hand, a flange portion 12a is provided on the lower end portion of the inner plug 12 so as to protrude in the radially expanding direction over the entire circumference. The water stop packing 16 is fitted over the entire circumference of the flange portion 12a.

A plurality of (two in this embodiment) elastic flange portions 16a arranged in the vertical direction are provided on the outer peripheral surface of the waterproof packing 16 so as to protrude in the radially expanding direction. When the lid 11 is attached to the container body 2 , the water stop packing 16 is brought into close contact with the projecting portion 9 of the container body 2 over the entire circumference while the elastic flange portion 16 a is elastically deformed. As a result, the space between the overhanging portion 9 (container body 2) and the inner plug 12 can be sealed. The shape of the waterproof packing 16 to be brought into close contact with the protruding portion 9 is not necessarily limited to the shape of the elastic flange portion 16a described above, and the shape and number thereof can be appropriately changed. is.

On the other hand, the waterproof packing 16 can be removed from the flange portion 12a by elastically deforming (pulling and stretching) itself. Thereby, the water stop packing 16 and the inner plug 12 can be washed separately, and the space between the water stop packing 16 and the inner plug 12 can be kept sanitary.

In addition, the waterproof packing 16 is not limited to the configuration in which it is detachably attached to the inner plug 12 described above, but may be configured to be integrally attached to the inner plug 12 by integral molding or adhesion with the inner plug 12. may

As shown in FIGS. 3 to 9, the lid 11 has a first liquid-permeable groove 17 and a second liquid-permeable groove 18 at opposing positions on the outer periphery of the inner plug 12 . The first liquid-permeable groove 17 and the second liquid-permeable groove 18 have a pair of side surfaces 17b, 18b that rise parallel to each other from both sides of the respective bottom surfaces 17a, 18a, so that the outer peripheral portion of the inner plug 12 is formed. It is provided so as to notch the male screw portion 15 in the vertical direction. Also, the first liquid passage groove 17 and the second liquid passage groove 18 are provided so as to cut out a part of the lower surface side of the canopy 13 .

The first liquid passage groove 17 and the second liquid passage groove 18 are different in size from each other. That is, the first liquid-permeable groove 17 and the second liquid-permeable groove 18 have different widths W1 and W2, and the width W1 of the first liquid-permeable groove 17 is the width of the second liquid-permeable groove 18. It is smaller than the width W2.

Moreover, it is preferable that the width W1 of the first liquid passage groove 17 is 1/2 or less of the width W2 of the second liquid passage groove 18 . The cross-sectional area of the first liquid passage groove 17 is preferably 10 to 70% of the cross-sectional area of the second liquid passage groove 18, and more preferably 15 to 40%.

The canopy 13 has a first concave portion 19a representing the position of the first liquid conducting groove 17 and a second A second concave portion 19b representing the position of the two liquid passage grooves 18 is provided.

The first recess 19 a has a shape in which a position corresponding to the first liquid passage groove 17 on the upper surface and the side surface of the canopy 13 is recessed wider than the first liquid passage groove 17 . Similarly, the second recess 19b has a shape in which the upper surface and the side surface of the canopy 13 corresponding to the second liquid passage groove 18 are recessed one step wider than the second liquid passage groove 18. there is

The widths of the first recess 19 a and the second recess 19 b are different from each other corresponding to the widths of the first liquid passage groove 17 and the second liquid passage groove 18 . As a result, even when the lid 11 is viewed from above, the difference in position and width between the first liquid passage groove 17 and the second liquid passage groove 18 can be identified, which is very convenient.

The configuration for displaying the positions of the first liquid passage groove 17 and the second liquid passage groove 18 on the canopy 13 is not limited to the provision of the first concave portion 19a and the second concave portion 19b. , can be changed as appropriate.

A plurality of anti-slip projections 20 are provided on the outer circumference of the canopy 13 . A plurality of anti-slip projections 20 are provided along the circumferential direction at regular intervals between the first recessed portion 19a and the second recessed portion 19b. It should be noted that the non-slip is not limited to the provision of such a plurality of non-slip projections 20, and can be changed as appropriate.

In the capped container 100 including the cap unit 1 of the present embodiment having the configuration as described above, after removing the cup 3 described above, the lid body 11 is turned so that the female threaded portion 8 and the male threaded portion 15 are connected. Partially unscrew. From this state, by tilting the container body 2, the beverage (the liquid inside the container body 2 is discharged through the first liquid passage groove 17 or the second liquid passage groove 18 without removing the lid 11 from the container body 2). liquid) can be poured into the cup 3.

By the way, in the cap unit 1 of the present embodiment, since the sizes of the first liquid passage groove 17 and the second liquid passage groove 18 are different, the liquid flows out through the first liquid passage groove 17. It is possible to make the amount of liquid flowing through and the amount of liquid flowing out through the second liquid passage groove 18 different.

Specifically, when the liquid in the container body 2 is allowed to flow out from the narrow first liquid passage groove 17 side, the amount of liquid flowing out from the first liquid passage groove 17 can be reduced. be. In this case, for example, it is suitable for pouring hot water into a dripper or the like. (In this case, the width W1 of the first liquid passage groove 17 is preferably 7 mm or less.). In addition, by taking in outside air into the container main body 2 from the side of the wide second liquid passage groove 18, it is possible to increase the amount of inflow of air. As a result, it is possible to improve drainage of the liquid flowing out from the first liquid passage groove 17 and to prevent liquid leakage from the second liquid passage groove 18 side.

On the other hand, when the liquid in the container body 2 is allowed to flow out from the wide second liquid passage groove 18 side, it is possible to increase the amount of liquid that flows out from the second liquid passage groove 18 . In this case, it is suitable for pouring a drink into the cup 3, for example. In addition, it is possible to limit the amount of inflow of air by taking in the outside air into the container body 2 from the side of the narrow first liquid passage groove 17 . As a result, the flow of the liquid flowing out from the second liquid passage groove 18 can be stabilized, and the liquid flowing out from the second liquid passage groove 18 can be prevented from pulsating.

In addition, the cap unit 1 of the present embodiment has a pair of side surfaces 17b and 18b rising parallel to each other from both sides of the bottom surfaces 17a and 18a of the first liquid passage groove 17 and the second liquid passage groove 18. Thus, the widths W1 and W2 of the first liquid-permeable groove 17 and the second liquid-permeable groove 18 are constant, and the direction of the liquid flowing out from the first liquid-permeable groove 17 and the second liquid-permeable groove 18 is controlled. It is possible to stabilize the flow and suppress the splashing of the liquid.

Further, the first liquid-permeable groove 17 and the second liquid-permeable groove 18 have a pair of side surfaces with respect to the bottom surfaces 17a and 18a curved in an arc shape in the circumferential direction of the inner plug 12 as shown in FIG. The configuration is not limited to the configuration in which the 17b and 18b stand parallel to each other, and the pair of side surfaces 17b and 18b may be fan-shaped in the direction in which they are spaced apart from each other. In this case, it is preferable that the pair of side surfaces 17b, 18b are formed to rise within an angle range of 90° to 100° with respect to the tangential direction of the bottom surfaces 17a, 18a.

In particular, when the pair of side surfaces 17b and 18b are formed to rise at 90° (perpendicular), it is possible to stabilize the flow of the liquid and suppress the scattering of the liquid. Moreover, such an effect becomes more remarkable in the first liquid passage groove 17 narrower than the wide second liquid passage groove 18 .

In addition, in the cap unit 1 of the present embodiment, the above-described first liquid passage groove 17 and second liquid passage groove 18 are provided so as to cut out a portion of the lower surface side of the canopy 13 . In this case, it is possible to make the positions of the first liquid passage groove 17 and the second liquid passage groove 18 easily visible.

In addition, when the container body 2 is greatly tilted with the first liquid passage groove 17 or the second liquid passage groove 18 serving as the liquid flow port facing downward, the second liquid passage groove serving as the vent is opened. 18 or the upper end side of the first liquid passage groove 17 may cause liquid leakage. In this case, the liquid that has leaked from the upper end side of the second liquid passage groove 18 or the first liquid passage groove 17 that serves as a vent flows along the periphery of the lid 11 and flows through the first liquid passage that serves as a liquid passage. The flow into the groove 17 or the second liquid passage groove 18 side is blocked by the upper end portions of the first liquid passage groove 17 and the second liquid passage groove 18 that partially cut out the lower surface side of the canopy 13 . is possible.

As described above, in the cap unit 1 of the present embodiment, it is possible to easily adjust the amount of beverage flowing out through the first liquid passage groove 17 and the second liquid passage groove 18 . Therefore, in the capped container 100 of the present embodiment, by providing such a cap unit 1, it is possible to further improve usability.

It should be noted that the present invention is not necessarily limited to the above-described embodiments, and various modifications can be made without departing from the gist of the present invention.

For example, in the cap unit 1 of the present embodiment, the widths W1 and W2 of the first liquid passage groove 17 and the second liquid passage groove 18 are different. By making the depths and the cross-sectional areas of the channels different between the grooves 17 and the second liquid-permeable grooves 18, the amount of liquid flowing out through the first liquid-permeable grooves 17 and the second liquid-permeable grooves 18 It is also possible to vary the amount of liquid flowing out through the .

Also, the cap unit to which the present invention is applied is not necessarily limited to the configuration of the cap unit 1 described above. For example, a cap body attached to the mouth and neck of a container body having an open top and provided with a liquid passage port communicating with the inside of the container body, and a liquid passage port fitted inside the cap body. A lid body provided with an inner plug that closes is provided, and by screwing a female thread provided on the inner periphery of the container body or the cap body and a male thread provided on the outer periphery of the inner plug The present invention can be applied to a cap unit having a structure in which an attached lid closes a liquid passage port. That is, this cap unit can also have a configuration in which a first liquid-permeable groove and a second liquid-permeable groove having different sizes are provided at mutually opposing positions on the outer peripheral portion of the inner plug. .

In the above-described embodiment, the present invention is applied to the capped container 100 in which the container main body 2 having the above-described vacuum insulation structure has heat and cold insulation functions. It is not necessarily limited to the one provided with the container body 2 having That is, the present invention can be widely applied to capped containers in which the cap unit is detachably attached to the mouth and neck portion of the container body.

DESCRIPTION OF SYMBOLS 1... Cap unit 2... Container main body 3... Cup 4... Outer container 5... Inner container 6... Vacuum insulation layer 7... Male screw part 8... Female screw part 9... Overhang part 10... Female screw part 11... Lid body 12... Internal plug 13 Canopy 14a Lower lid member 14b Upper lid member 15 Male threaded portion 16 Water stop packing 17 First liquid passage groove 18 Second liquid passage groove 19a First recess 19b 2nd recessed part 20... Anti-slip protrusion S... Heat insulating material 100... Container with a cap

Claims (10)

a lid body provided with an inner plug that is fitted inside the container body from an upper opening of the container body that is open at the top;
a waterproof packing that seals between the inner side of the container body and the inner plug in a state of being attached to the outer peripheral portion of the inner plug over the entire circumference,
A structure in which the lid is attached by screwing a female thread provided on the inner periphery of the container body and a male thread provided on the outer periphery of the inner plug to close the upper opening. have
The lid has a first liquid-permeable groove and a second liquid-permeable groove which are notched in the vertical direction from positions opposed to each other on the outer peripheral portion of the inner plug,
A cap unit, wherein the first liquid passage groove and the second liquid passage groove are different in size from each other. 2. The cap unit according to claim 1, wherein widths of said first liquid passage groove and said second liquid passage groove are different. 3. The cap unit according to claim 2, wherein the cross-sectional area of said first liquid passage groove is 10 to 70% of the cross-sectional area of said second liquid passage groove. 4. The cap unit according to claim 2, wherein the width of said first liquid passage groove is 1/2 or less of the width of said second liquid passage groove. 5. The apparatus according to any one of claims 1 to 4, wherein the first liquid passage groove and the second liquid passage groove have a pair of side surfaces rising parallel to each other from both sides of the bottom surface. cap unit. The first liquid-permeable groove and the second liquid-permeable groove are a pair that rises from both sides of the bottom surface while expanding in directions away from each other within an angle range of 90° to 100° with respect to the tangential direction of the bottom surface. 5. The cap unit according to any one of claims 1 to 4, characterized in that it has a side surface of . The lid body has a canopy that protrudes over the entire circumference from the outer peripheral portion on the upper end side of the inner plug,
The canopy is provided with a first recess representing the position of the first liquid passage groove 17 and a second recess representing the position of the second liquid passage groove. Item 7. The cap unit according to any one of items 1 to 6. 8. The cap unit according to claim 7, wherein the first liquid passage groove and the second liquid passage groove are provided so as to cut out a portion of the lower surface side of the canopy. a cap unit according to any one of claims 1 to 8;
A container with a cap, comprising: a container body to which the cap unit is attached. 10. The capped container according to claim 9, wherein the container body has a vacuum insulation structure.

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