TW202237493A - Cap and cap-equipped container finely maintaining the sealing property of the waterproof lining and achieving convenient operability - Google Patents

Abstract

This invention relates to a cap and a cap-equipped container. The cap-equipped container comprises the cap and a container body. The cap comprises a cap body and a waterproof lining. The waterproof lining, in a state where the cap body is mounted to the container body, is abutted against a protrusion, and the waterproof lining comprises a second fitting part, an elastic flange part, and an elastic sleeve part. The waterproof lining forms that lower surface of the elastic flange part and is in contact with the inlet side of the protrusion; in a state where the outer surface of the elastic sleeve part is in contact with the top side of the protrusion, the inner periphery of the elastic sleeve part is continuously arranged downwardly from the lower surface of the second fitting part; as such, this invention provides a waterproof lining with excellent washability, a cap for finely maintaining the sealing property of the waterproof lining, and a cap-equipped container with convenient operability.

Description

Lids and containers with lids

The invention relates to a cover body and a container with a cover.

In the past, a container with a cover is known, which has a cover body (bolt body), and is installed on the neck of the container body with an opening at the upper end freely by detachable installation, and the upper end opening of the container body is blocked (for example, Japanese Patent No. 3687084 Bulletin).

In addition, this type of lid has a lid body that closes the upper end opening of the container body, and has a structure in which the lid body is attached to the container body by screwing. In addition, the lid body has a waterproof gasket detachably attached to the lid body, and forms a structure in which the waterproof gasket seals (waterproofs) between the container body and the lid body.

Also, the waterproof packing is composed of a ring-shaped elastic member, and is detachably attached to the cover body. When the cap body is mounted on the container body by screwing, the waterproof gasket abuts against the protrusion protruding from the inner side of the container body, thereby being elastically deformed to be in a state of being in close contact with the protrusion portion. Thereby, it is possible to seal (watertight) between the container body and the lid body.

The above-mentioned conventional container with a lid discloses a structure in which an annular tongue-shaped portion and an annular hanging portion are arranged on the outer peripheral surface of the annular sealing liner, and the annular tongue-shaped portion and the sealing step difference The inclined surface at the upper end of the part is in contact and the cross-section protrudes outward in the shape of an eave. The ring-shaped hanging part is in contact with the sealing step part and the cross-section protrudes in an inverted U shape. The hanging part is due to the internal pressure in the liquid container. It is opened and pressed against the protruding surface of the sealing step portion, and the tongue piece is pressed against the inclined surface of the upper end of the sealing step portion due to the negative pressure in the liquid container.

Also, the known heat-insulated container with a lid discloses a structure (for example, Japanese Patent Application Laid-Open No. 2016-169042 ), which is tied in a heat-insulated container with a lid mainly for hot food, and has an inverted U-shaped section near the outer periphery. The sealing part of the ring-shaped protruding part is closely attached to the receiving protrusion of the container body, so as to seal the container body.

However, in the liner described in the above-mentioned conventional container with a lid, a recessed gap is formed between the tongue-shaped portion and the hanging portion, and beverages tend to accumulate in the gap. Also, the aforementioned gaps are difficult to clean and tend to become unsanitary.

Also, in the sealing portion described in the above-mentioned conventional heat insulating container with a lid, a recessed gap is also formed in the vicinity of the outer periphery. Since the container body is wide-mouthed, the contents are mainly soup or solid food, etc., and such contents with high nutritional value may accumulate or be sandwiched in the above-mentioned gap. Therefore, the above-mentioned gaps are difficult to clean and tend to become unsanitary.

The present invention has been made in view of such conventional circumstances, and its object is to provide a cover body which is excellent in cleanability of a waterproof gasket and can maintain the airtightness of the waterproof gasket well, and by having such a cover body, it can A container with a lid that further enhances the convenience of handling.

One object of the present invention is to provide a cover body, the cover system can be freely installed on a container body with an opening at the upper end, which includes a cover body and a waterproof gasket, and the cover system can block a part of the container body Upper opening; the waterproof gasket is detachably mounted on the cover body to seal between the container body and the cover body, wherein the cover body itself is embedded into the inner part of the container body from the upper opening The outer surface has a ring-shaped first fitting part, and the waterproof gasket is composed of a ring-shaped elastic member, so that when the cover body is installed on the container body, it will be connected with the inside of the container body. A protruding part protruding from the whole circle is abutted, and the waterproof gasket includes a ring-shaped second fitting part, an elastic flange part and an elastic sleeve part, wherein the second fitting part is connected to the The first fitting part is fitted; the elastic flange protrudes from the outer surface of the second fitting part to the direction of diameter expansion; the elastic sleeve part is formed from the second fitting part and the elastic protrusion Between the edge parts protruding in the downward direction, the waterproof gasket has the lower surface of the elastic flange part in contact with the entrance side of the protruding part, and the outer surface of the elastic sleeve part is in contact with the protruding part. In the state where the top sides are in contact, the inner peripheral surface of the elastic sleeve part is continuously disposed downward from the lower surface of the second fitting part.

Optionally, the waterproof gasket is elastically deformed along the entrance side of the protrusion through the elastic flange portion, so that the elastic sleeve portion faces the outer side of the elastic sleeve portion and the top side of the protrusion Elastic displacement in the direction of contact.

Optionally, the elastic sleeve portion has a shape gradually expanding in diameter toward its lower side.

Optionally, the elastic flange portion is located at the bottom side of the outer side of the second fitting portion.

Optionally, the first fitting portion has a shape whose width gradually widens from its bottom side toward the opening side, and the second fitting portion has a shape whose width gradually narrows from its base portion toward its front side.

Optionally, the above-mentioned elastic member is made of fluorine rubber.

Optionally, the lid body is mounted on the container body through screwing.

Another object of the present invention is to provide a container with a lid, which includes the above-mentioned lid, and a container body, and the container body is equipped with the lid.

Optionally, the container body has a vacuum insulation structure.

As described above, according to the present invention, it is possible to provide a cover body that is excellent in cleaning performance of the waterproof packing and can maintain the airtightness of the waterproof packing well, and the ease of operation can be further improved by having such a cover body. container with a lid.

In order to facilitate your review committee to further understand and understand the purpose, technical features and effects of the present invention, the embodiments are hereby combined with the drawings, and the details are as follows:

A first embodiment of the present invention will be described in detail below with reference to the drawings, and a container with a lid 100 with a lid 1 shown in FIG. 1 will be described in detail. FIG. A schematic cross-sectional view of the structure of the container 100 .

Please refer to FIG. 1 , the container with lid 100 of the first embodiment has a lid 1 and a container body 2 on which the lid 1 is detachably installed. The container with lid 100 is a beverage container capable of keeping the beverage (content) contained in the container body 2 warm or cold by the container body 2 having a vacuum heat insulation structure.

Specifically, the container body 2 has a bottomed cylindrical outer container 3 and an inner container 4 made of, for example, stainless steel, and is formed by joining the mouths of each other with the inner container 4 accommodated inside the outer container 3. It is composed of a double-layer structure container. Moreover, a vacuum heat insulating layer 5 is provided between the outer container 3 and the inner container 4 . The vacuum heat insulating layer 5 can be formed, for example, by closing the exhaust hole provided in the center of the bottom surface of the outer container 3 in a chamber that is decompressed (evacuated) to a high vacuum.

The container body 2 has a bottom portion 2a, a body portion 2b and a substantially cylindrical neck 2c, wherein the bottom portion 2a is substantially circular; the body portion 2b stands up from the periphery of the bottom portion 2a in a substantially cylindrical shape; And the neck portion 2c is formed by reducing the diameter at the upper end of the body portion 2b. In addition, the upper end opening of the neck portion 2c is formed in a circular shape as the upper end opening portion 2d of the container body 2 . In addition, the inner peripheral surface of the neck portion 2c is further reduced in diameter than the inner peripheral surface of the main body portion 2b. Furthermore, an annular protrusion 6 protrudes from the entire inner peripheral surface of the neck portion 2c.

In addition, although the container with a lid 100 of the first embodiment has an overall substantially cylindrical appearance, the appearance of the container with a lid 100 is not particularly limited, and can be appropriately changed in accordance with the size or design. In addition, coating, printing, etc. may be applied to the outer peripheral surface of the container main body 2 .

Please refer to FIGS. 1 to 5 to illustrate the structure of the cover 1 of the first embodiment. FIG. 2 is a three-dimensional schematic view of the structure of the mouth forming member 12 of the cover 1 shown in FIG. 1; FIG. 3A is from the upper side See the three-dimensional schematic diagram of the structure of the waterproof gasket 23 that the cover body 1 shown in Figure 1 has; Figure 3B is a three-dimensional view of the structure of the waterproof gasket 23 that the lid body 1 shown in Figure 1 has from its lower side Schematic diagram; FIG. 4 is a schematic cross-sectional view of the structure of the waterproof gasket 23 shown in FIG. 3; FIG. A three-dimensional cross-sectional schematic diagram of the situation.

Referring to FIG. 1 , the cover body 1 of the first embodiment is configured as a plug body that closes the upper opening 2 d of the container body 2 . Specifically, the cover body 1 includes a cover body 7 and an outer cover 9 , and the outer cover 9 is rotatably attached to the cover body 7 via a hinge portion 8 .

In addition, in the following description, the side where the outer lid 9 is attached to the lid body 7 through the hinge portion 8 is referred to as the "rear side (rear side)" of the lid body 1 (container with lid 100), and the opposite side is referred to as the lid body 1 ( The "front side (front side)" of the container with a lid 100) will be described.

The cover body 7 is made of heat-resistant resin such as polypropylene (PP), for example. The lid body 7 has a peripheral wall portion 7a, an opening portion 7b, an upper wall portion 7c, and a mouthpiece forming member 12, wherein the peripheral wall portion 7a is formed in a substantially cylindrical shape in a manner continuous with the main body portion 2b of the container body 2; The portion 7c is formed with an opening 7b whose diameter is further reduced than that of the surrounding wall 7a at the upper end of the surrounding wall 7a, and the spout forming member 12 is detachably attached to the opening 7b.

The cap body 7 is detachably attached to the neck portion 2c of the container body 2 by screwing. Therefore, the internal thread 10 is provided in the inner peripheral surface of the peripheral wall part 7a. On the other hand, an external thread 11 screwed to the internal thread 10 is provided on the outer peripheral surface of the neck portion 2c.

1 and 2, the opening 7b of the cap body 7 is detachably mounted with a drinking opening forming member 12 forming a drinking opening or an injection opening (in this first embodiment, a drinking opening). The spout forming member 12 is made of heat-resistant resin such as polypropylene (PP), for example.

The mouthpiece forming member 12 has a bottom wall portion 12a, a cylindrical peripheral wall portion 12b, a lower flange portion 12c, a pair of upper flange portions 12d, and a drinking mouth portion 12e, wherein the bottom wall portion 12a is formed with a liquid discharge port. 13 and the exhaust port 14; the peripheral wall portion 12b stands upward from the periphery of the bottom wall portion 12a; the lower flange portion 12c protrudes in a ring shape from the lower side of the outer peripheral surface of the bottom wall portion 12a; The portion 12d protrudes horizontally from the left and right sides of the outer peripheral surface of the peripheral wall portion 12b; the drinking mouth portion 12e protrudes from the upper front end of the peripheral wall portion 12b in an oblique cut shape.

As mentioned above, the drinking opening 12e is located on the front side of the drinking opening forming member 12, the liquid discharge port 13 is arranged to penetrate through the bottom wall portion 12a in the vertical direction, and the exhaust port 14 is provided to be vertically connected to the bottom wall portion 12a from a position higher than the liquid discharge port 13. It penetrates through the bottom wall portion 12a. In addition, the discharge port 13 is located on the drinking port 12e side (front side) than the exhaust port 14, and is larger in the front-rear direction than the exhaust port 14 forming a circular hole, and has a substantially elliptical opening.

A detachable mechanism 15 for detachably attaching the spout forming member 12 to the opening 7b of the cap body 7 is provided between the cap body 7 and the spout forming member 12 . The dismounting mechanism 15 has a first claw portion 16, a second claw portion 17 and a brake piece 18, wherein the first claw portion 16 is arranged on the front side of the mouth forming member 12; The second claw portion 17 on the rear side.

The first claw portion 16 is provided to protrude forward from the upper side of the outer peripheral surface of the peripheral wall portion 12b, and the second claw portion 17 is provided to protrude rearward from the upper end (ie front end) of the stopper 18 . The stopper 18 is disposed on the rear side of the mouth forming member 12, and is rotatably mounted on the mouth forming member 12 through a hinge portion 19 located at the lower end (ie, base end) thereof.

A pressing member 20 made of, for example, an elastic member such as rubber or elastic body is arranged between the spout forming member 12 and the stopper 18 . The pushing member 20 is mounted on the stopper 18 on the opposite side to the spout forming member 12 . In addition, about the pressing member 20, you may use spring members, such as a coil spring, instead of the said elastic member.

The pressing member 20 pushes the stopper 18 backward by compressing (elastically deforming) between the stopper 18 and the spout forming member 12 when the front side of the stopper 18 is rotated forward. In addition, an operation portion 18a for easily rotating and operating the stopper 18 with fingers is provided on the upper end (tip end) of the stopper 18 .

On the other hand, the dismounting mechanism 15 has a first locked portion 21 on the front side of the cover body 7 , and has a second locked portion 22 on the rear side of the cover body 7 . The first locked portion 21 and the second locked portion 22 are constituted by step portions respectively provided at front and rear positions along the opening 7b of the upper wall portion 7c.

In the detachment mechanism 15 , when the first claw portion 16 is positioned relative to the first locked portion 21 , the spout forming member 12 is inserted into the opening portion 7 b of the cap body 7 from below. At this time, the upper flange portions 12d are in contact with the lower surface of the upper wall portion 7c of the cover body 7 . Also, the first claw portion 16 is locked by the first locked portion 21 .

Furthermore, the second claw portion 17 abuts against the edge of the opening 7b of the cover body 7, and as the second claw portion 17 crosses over the edge of the opening portion 7b, after the front side of the brake piece 18 is rotated forward, the brake piece 18 The front side returns to the rear original position, and at the same time, the second claw portion 17 is locked by the second locked portion 22 .

Thereby, the mouth opening forming member 12 will be in the state attached to the opening part 7b of the cap main body 7. As shown in FIG. In addition, when the drinking spout forming member 12 is mounted, the drinking spout 12e protrudes outward (upward) from the opening 7b of the cap main body 7 .

On the other hand, in the detachment mechanism 15 , the locking state of the second claw portion 17 with respect to the second locked portion 22 is released by rotating the operation portion 18 a of the stopper 18 forward. Thereby, the locking state of the first claw portion 16 with respect to the first locked portion 21 is released, and the spout forming member 12 can be detached from the lower side of the opening portion 7 b of the cap body 7 .

The lid body 7 equipped with the spout forming member 12 blocks the upper end of the container body 2 through the neck 2c installed on the container body 2 when the spout forming member 12 is inserted into the inside of the container body 2 from the upper end opening 2d. Opening 2d.

1 and 2, the lower flange portion 12c of the mouth forming member 12 is a part inserted into the inner side of the container body 2 from the upper opening portion 2d of the lid body 7, and the outer surface of the upper side is provided as a An annular fitting recess 24 of a fitting portion (that is, a first fitting portion).

A waterproof packing 23 is detachably attached to the fitting recess 24 of the mouth forming member 12 . The waterproof packing 23 is an annular sealing member for sealing between the protrusion 6 (container body 2 ) and the spout forming member 12 (lid body 7 ). The waterproof gasket 23 is made of, for example, heat-resistant rubber such as silicone rubber or fluororubber, or elastic members such as elastomers. Especially in the first embodiment, an elastic member made of fluorine rubber is used as the waterproof gasket 23 . Fluororubber has excellent chemical resistance, and is not easy to adhere to the odor caused by the content.

As the above-mentioned fluororubber, materials such as vinylidene fluoride (FKM), tetrafluoroethylene-propylene (FEPM) and tetrafluoroethylene-perfluorovinyl ether (FFKM) can be used.

Please refer to FIGS. 1 , 3 and 4 , the waterproof gasket 23 has a ring-shaped fitting convex portion 23 a fitting into the fitting concave portion 24 as another fitting portion (ie, a second fitting portion). The waterproof packing 23 is detachably attached to the spout forming member 12 (lid main body 7) by fitting the fitting convex part 23a to the fitting recessed part 24. As shown in FIG.

On the other hand, the waterproof packing 23 can be detached from the fitting recess 24 (the spout forming member 12 ) by elastically deforming (stretching) itself. Thereby, the waterproof packing 23 and the spout forming member 12 can be washed separately, and the hygiene between the waterproof packing 23 and the spout forming member 12 can be maintained.

Also, the fitting recess 24 has a tapered shape whose width gradually increases from the bottom side toward the opening side. On the other hand, the fitting convex portion 23 a has a shape corresponding to the fitting concave portion 24 , having a tapered width gradually narrowing from its base toward the front side (ie, extending toward the central axis of the waterproof packing 23 ).

By forming the fitting recessed part 24 and the fitting convex part 23a into such a tapered shape, the waterproof packing 23 can be easily attached to and detached from the fitting recessed part 24 of the spout forming member 12 . Especially in the case of using the waterproof gasket 23 made of the above-mentioned fluororubber, fluororubber is a material that is less likely to stretch than silicone rubber, so it is preferable to form the fitting recess 24 and the fitting protrusion 23a in such a way tapered.

In addition, the waterproof gasket 23 has an elastic flange portion 23b and an elastic sleeve portion 23c, wherein the elastic flange portion 23b protrudes from the outer peripheral surface of the fitting convex portion 23a toward the radially expanding direction; the elastic sleeve portion 23c is It protrudes completely downward from between the fitting convex portion 23a and the elastic flange portion 23b.

In addition, the elastic flange portion 23b is a portion abutting against the surface on the entrance side of the protruding portion 6, and is located on the lower side of the outer peripheral surface of the fitting convex portion 23a.

On the other hand, the elastic sleeve portion 23c is a portion abutting against the top side surface of the protruding portion 6, and is located between the lower surface of the fitting convex portion 23a and the lower surface of the elastic flange portion 23b. The inner peripheral surface of the elastic sleeve portion 23c is continuously provided in a state of opening the inner peripheral side from the lower surface of the fitting convex portion 23a downward.

In addition, the elastic sleeve portion 23c has a tapered shape whose diameter gradually expands downward. Therefore, a relationship of (outer diameter of the elastic flange portion 23b)>(inner diameter of the protruding portion 6)>(outer diameter of the elastic sleeve portion 23c) is formed.

When the cover body 7 is mounted on the container body 2 , the waterproof gasket 23 abuts against the protruding portion 6 of the container body 2 , and elastically deforms to be in a state of being in close contact with the protruding portion 6 . Specifically, the lower surface of the elastic flange portion 23b is in contact with the entrance side surface of the protrusion 6 and the outer peripheral surface of the elastic sleeve portion 23c is in contact with the top side surface of the protrusion 6 .

At this time, the waterproof gasket 23 is elastically deformed along the surface of the inlet side of the protruding part 6 by the elastic flange part 23b, so that the elastic sleeve part 23c faces the outer peripheral surface of the elastic sleeve part 23c and the edge of the protruding part 6. The elastic displacement in the direction where the surface of the top side is in contact makes the elastic flange portion 23b lifted upward along the surface of the entrance side of the protruding portion 6. Accompanied by this, the elastic sleeve portion 23c expands in the diameter-expanding direction to become The state of being pressed against the top side surface of the protrusion 6 . Thereby, the waterproof packing 23 can be brought into close contact with the protruding part 6, and the airtightness between the protruding part 6 (container body 2) and the spout forming member 12 (cap body 7) can be maintained well.

In addition, regarding the waterproof packing 23, it is not necessarily limited to the above-mentioned elastic sleeve portion 23c having a tapered shape that gradually expands downward. As for the shape of the elastic sleeve portion 23c, as long as the elastic flange portion 23b along the convex The surface on the inlet side of the exit portion 6 is elastically deformed to elastically displace the elastic sleeve portion 23 c in a direction in contact with the top side surface of the protrusion 6 .

As shown in FIG. 1 , the outer cover 9 is a member that closes the upper end of the cover body 7 and is made of heat-resistant resin such as polypropylene (PP), for example. The outer cover 9 has a peripheral wall portion 9a and a top wall portion 9b, wherein the peripheral wall portion 9a is formed in a substantially cylindrical shape in a manner continuous with the peripheral wall portion 7a of the cover body 7; the top wall portion 9b covers the top surface of the peripheral wall portion 9a .

A plug member 25 fitted inside the spout forming member 12 is provided inside the outer cover 9 , and the plug member 25 is attached to the substantially central portion of the lower surface side of the top wall portion 9 b by fitting.

A cap gasket 26 for closing the liquid discharge port 13 and the air discharge port 14 of the spout forming member 12 is detachably attached to the outer peripheral portion of the plug member 25 . The lid gasket 26 is a plug-shaped sealing member used to seal the mouthpiece forming member 12 and the plug member 25. The lid gasket 26 is made of an elastic member. The elastic member can be used with the waterproof gasket 23. same material.

The cover gasket 26 is fitted in the closing member 25 so as to cover the outer peripheral portion of the closing member 25 . Also, the cover gasket 26 is provided with a substantially dome-shaped first plug portion 26a and a substantially cylindrical second plug portion 26b, wherein the first plug portion 26a abuts against the drain port 13; the second plug portion 26b It abuts against the exhaust port 14.

When the lid gasket 26 is fitted inside the mouth forming member 12, it is elastically deformed to close the discharge port 13 in a state where the first plug portion 26a is in close contact with the periphery of the discharge port 13, and at the same time, the second plug portion 26b closes the exhaust port 14 in a state of close contact with the periphery of the exhaust port 14 . Thereby, the gap between the spout forming member 12 and the plugging member 25 can be sealed.

A pressing member 27 is provided between the outer cover 9 and the hinge portion 8 . The pressing member 27 is formed of, for example, an annular elastic member made of rubber or elastic body, and is hooked between the outer cover 9 and the hinge portion 8 .

The outer cover 9 is in a state of being pressed by the pressing member 27 in a direction (opening direction) in which the liquid discharge port 13 and the air discharge port 14 of the drinking spout forming member 12 are opened. In addition, the pressing member 27 is not limited to the above-mentioned elastic member, for example, a spring member such as a torsion coil spring may be provided inside the hinge portion 8 to push the outer cover 9 in the opening direction. .

The lid body 1 includes a lid lock mechanism 28 for fixing the outer lid 9 to the lid body 7 at a position where the outer lid 9 closes the upper end of the lid body 7 (hereinafter referred to as a closed position).

The cover locking mechanism 28 has a hinge part 29, a locking member 30 and a brake ring 31. The lock member 30 is rotatably mounted on the cover body 7 through the hinge part 29; the brake ring 31 is rotatably mounted on the cover through the hinge part 29. Ontology7.

The lock member 30 is rotatably supported by a hinge portion 29 provided on the front side of the cover body 7 (peripheral wall portion 7a). The locking member 30 has a first arm portion 30 a and a second arm portion 30 b, wherein the first arm portion 30 a extends upward from the hinge portion 29 ; the second arm portion 30 b extends downward from the hinge portion 29 .

The hook portion 32 protrudes rearward and is provided at the front end of the first arm portion 30a (upper end of the lock member 30). The pressing member 33 which consists of spring members, such as a coil spring, for example is arrange|positioned between the 2nd arm part 30b and the peripheral wall part 7a. In addition, for the pressing member 33 , an elastic member such as rubber or elastic body may be used instead of the above-mentioned spring member.

The brake ring 31 is composed of a partially open annular member, and its two ends are rotatably supported on the outside of the hinge portion 29 . Thereby, the braking ring 31 can be rotated.

On the other hand, the cover locking mechanism 28 has a locked portion 34 and a braked portion 35 , wherein the locked portion 34 is engaged with the hook portion 32 of the locking member 30 ; and the braked portion 35 is capable of hooking the brake ring 31 . The locked portion 34 is constituted by a claw protruding forward from the front lower end portion of the outer cover 9 (peripheral wall portion 9a). The portion to be locked 35 is constituted by a wall portion having a shape corresponding to the inside of the brake ring 31 and protruding forward from a position surrounding the portion to be locked (claw portion) 34 .

In the cover locking mechanism 28 , when the outer cover 9 closes the upper end of the cover body 7 , the hook portion 32 of the locking member 30 is engaged with the locked portion 34 , thereby maintaining the state where the outer cover 9 closes the upper end of the cover body 7 .

From this state, the second arm portion 30 b side of the locking member 30 is pressed against the pressing force of the pressing member 33 , thereby releasing the locked state of the hook portion 32 with respect to the locked portion 34 . Thereby, the outer cover 9 pushed by the pushing member 27 can be rotated in the opening direction.

On the other hand, in the cover locking mechanism 28, when the outer cover 9 closes the upper end of the cover body 7, the braking ring 31 hooks the braked portion 35, thereby preventing the outer cover 9 from rotating in the opening direction. Thereby, the cover lock mechanism 28 can prevent the outer cover 9 from being opened due to an unexpected operation of the lock member 30 .

In addition, in the container with lid 100 provided with the lid body 1 of the first embodiment, the inner peripheral surface of the elastic sleeve portion 23c is smoothly continuous from the lower surface of the fitting convex portion 23a toward the lower side while opening the inner peripheral side. set up. In the above case, no gap is formed from the lower surface of the fitting convex portion 23a to the inner peripheral surface of the elastic sleeve portion 23c, so that beverages are not accumulated in the gap or solid components are not trapped, which is hygienic. Furthermore, the waterproof liner 23 is easy to clean and easy to dry, so dirt will not remain on the inner peripheral surface and is more hygienic.

Also, in the container with lid 100 provided with the lid body 1 of the first embodiment, for example, when carbonated drinks, carbonated water, beer, sparkling wine and other carbonated beverages are contained in the container body 2, the sealed container body 2 The pressure inside will rise due to carbon dioxide.

At this time, the waterproof packing 23 will be in a state where the lower surface of the elastic flange portion 23b is in contact with the surface on the inlet side of the protrusion 6 and the outer peripheral surface of the elastic sleeve portion 23c is in contact with the surface of the top side of the protrusion 6 . , thereby becoming a state of close contact with the protruding portion 6 over the entire circle.

Furthermore, the waterproof gasket 23 elastically deforms the elastic flange portion 23b along the surface of the entrance side of the protruding portion 6, so that the elastic sleeve portion 23c faces the outer peripheral surface of the elastic sleeve portion 23c and the edge of the protruding portion 6. Elastic displacement in the direction of surface contact on the top side. At this time, the elastic flange portion 23b is lifted upward along the surface of the entrance side of the protruding portion 6, and the elastic sleeve portion 23c expands in the diameter-expanding direction to be pressed against the protruding portion 6. The state of the face on the top side.

Especially when the pressure inside the container body 2 rises, the elastic sleeve portion 23c expands further in the diameter-expanding direction under the pressure, and is pressed against the top surface of the protruding portion 6 more strongly.

Thereby, in the container with lid 100 provided with the lid body 1 of the first embodiment, even when carbonated beverages are contained in the container body 2, the waterproof gasket 23 can be closely adhered to the protruding portion 6. And the sealing between the protrusion 6 (container body 2 ) and the spout forming member 12 (lid body 7 ) is maintained well. Therefore, carbon dioxide or beverages can be prevented from leaking from between the waterproof packing 23 and the protrusion 6 or the waterproof packing 23 is rolled up.

As described above, in the cover body 1 of the first embodiment, the waterproof packing 23 is excellent in cleanability, and the sealing performance of the waterproof packing 23 can be maintained well. Therefore, in the container with a lid 100 of the first embodiment, by having such a lid body 1 , the convenience of operation can be further improved.

In addition, this invention is not necessarily limited to the said Example, Various changes can be added in the range which does not deviate from the summary of this invention.

Specifically, the above-mentioned cover body 1 is formed as a waterproof gasket 23 through the above-mentioned fitting recess 24 as a fitting portion provided on the spout forming member 12 and the other fitting portion provided on the waterproof gasket 23 . The fitting convex portion 23a is fitted and detachably mounted on the mouth forming member 12 (lid body 7), but regarding one fitting portion and the other fitting portion, it can also be formed as shown in FIG. 6 and FIG. 7 shows the structure of the cover body 1A, 1B.

Among them, the lid body 1A shown in FIG. 6 is formed as a waterproof gasket 23 by the fitting convex portion 24a provided on the spout forming member 12 as a fitting portion and the other fitting portion provided on the waterproof gasket 23. The fitting recessed part 23d of the fitting part can be detachably attached to the mouth forming member 12 (lid main body 7).

On the other hand, the lid body 1B shown in FIG. 7 is formed into the following configuration. In addition to the configuration of the fitting convex portion 24a and the fitting concave portion 23d shown in FIG. The ring-shaped flange part 24b which the upper surface of the waterproof packing 23 contacts is provided in the mouth forming member 12 (lid main body 7).

In addition, although the said lid body 1 is formed in the structure which the lid main body 7 is attached to the container main body 2 by screwing, it is not necessarily limited to such a structure. For example, the lid body 1 may be configured to attach the spout forming member 12 to the container body 2 by screwing in a state where the spout forming member 12 is fitted inside the container body 2 from the upper end opening 2d.

In the case of this structure, instead of the above-mentioned internal thread 10 and external thread 11, the following structure can be formed. The cap body 7 is formed by the internal thread provided on the inner peripheral surface of the neck 2c and the peripheral wall portion 12b provided on the mouth forming member 12. The external thread is screwed to be detachably attached to the container body 2 .

In addition, the cover body 1 described above has a structure in which the outer cover 9 is openably and closably attached to the cover body 7 through the hinge portion 8, but it is not necessarily limited to such a structure. For example, the lid body 7 may directly open and close the upper end opening 2d of the container body 2 .

In the case of this configuration, the cover body 7 can be formed to have an outer cover covering the upper opening 2d of the container body 2 and a middle plug inserted into the inner side of the container body 2 from the upper opening 2d, and the middle plug or the outer cover can be screwed together. The structure attached to the cover body 7. Moreover, the waterproof packing 23 should just be formed in the structure attached to the outer peripheral part of a middle plug.

In addition, in the above-mentioned embodiment, although the case where the present invention is applied to a beverage container suitable for use when the above-mentioned carbonated beverage is contained in the container body 2 is described, the beverage (liquid) contained in the container body does not have special limited. Also, in the above-mentioned embodiment, although the case where the present invention is applied to a beverage container having a cold-keeping function (or a heat-retaining function) by means of the above-mentioned container body 2 having a vacuum heat insulation structure is described, the present invention can be widely applied. A container with a lid that includes a container body and a lid that is detachably attached to the container body.

According to, the above description is only a preferred embodiment of the present invention, but the scope of rights claimed by the present invention is not limited thereto. According to those who are familiar with the art, according to the technical content disclosed in the present invention, they can The easily conceivable equivalent changes shall all fall within the scope of protection of the present invention.

[knowledge] none [this invention] 100: container with lid 1, 1A, 1B: cover body 2: container body 2a: bottom face 2b: Body part 2c: Neck 2d: Upper opening 3: outer container 4: inner container 5: Vacuum insulation layer 6: Protrusion 7: cover body 7a: Peripheral wall 7b: Opening 7c: upper wall 8: Hinge 9: Outer cover 9a: Peripheral wall 9b: top wall 10: Internal thread 11: external thread 12: Mouth forming member 12a: Bottom wall 12b: Peripheral wall 12c: Lower flange part 12d: Upper flange part 12e: Drinking mouth 13: drain port 14: Exhaust port 15: Assembly and disassembly mechanism 16: The first claw 17: Second claw 18: brake parts 18a: Operation Department 19: hinge part 20: push member 21: The first locked part 22: The second locked part 23: waterproof liner 23a: Fitting convex part 23b: elastic flange part 23c: elastic sleeve part 23d: Fitting recess 24:Fitting concave part 24a: Fitting convex part 24b: flange part 25: Sealing component 26: Cover liner 26a: the first bolt 26b: the second bolt 27: push components 28: Cover locking mechanism 29: hinge part 30: locking member 30a: first arm 30b: second arm 31: brake ring 32: Hook 33: push member 34: locked department 35: Braked part

[Fig. 1] is a schematic cross-sectional view of the structure of a container with a lid according to the first embodiment of the present invention; [Fig. 2] is a three-dimensional schematic diagram of the structure of the mouth forming member of the cover shown in Fig. 1; [Fig. 3A] is a three-dimensional schematic view of the structure of the waterproof gasket of the cover shown in Fig. 1 viewed from the upper side; [Fig. 3B] is a three-dimensional schematic view of the structure of the waterproof gasket of the cover shown in Fig. 1 viewed from its lower side; [Fig. 4] is a schematic cross-sectional view of the structure of the waterproof gasket shown in Fig. 3; [Fig. 5] It is a three-dimensional cross-sectional schematic view of the case where the waterproof gasket abuts against the protruding part of the container body of the container with a lid shown in Fig. 1; [Fig. 6] is a schematic cross-sectional view of another embodiment of the container with a lid shown in Fig. 1; and [Fig. 7] is a schematic cross-sectional view of another embodiment of the container with a lid shown in Fig. 1.

100: container with lid

1: cover body

2: container body

2c: Neck

2d: Upper opening

3: outer container

4: inner container

5: Vacuum insulation layer

6: Protrusion

7: cover body

7a: Peripheral wall

7b: Opening

7c: upper wall

8: Hinge

9: Outer cover

9a: Peripheral wall

9b: top wall

10: Internal thread

11: external thread

12: Mouth forming member

12a: Bottom wall

12b: Peripheral wall

12c: Lower flange part

12e: Drinking mouth

13: drain port

14: Exhaust port

15: Assembly and disassembly mechanism

16: The first claw

17: Second claw

18: brake parts

18a: Operation Department

19: hinge part

20: push components

21: The first locked part

22: The second locked part

23: waterproof liner

23a: Fitting convex part

23b: elastic flange part

23c: elastic sleeve part

24:Fitting concave part

25: Sealing component

26: Cover liner

26a: the first bolt

26b: the second bolt

27: push member

28: Cover locking mechanism

29: hinge part

30: locking member

30a: first arm

30b: second arm

31: brake ring

32: Hook

33: push member

34: locked department

35: Braked part

Claims (9)

A cover body, which is freely mounted on a container body with an opening at the upper end, comprising: a lid body capable of blocking an upper opening of the container body; and A waterproof liner is installed on the cover body in a detachable manner to seal the space between the container body and the cover body, wherein the cover body itself is inserted into the inner part of the container body from the upper opening to the outer surface of the container body There is a ring-shaped first fitting part, and the waterproof gasket is composed of a ring-shaped elastic member, so that when the cover body is installed on the container body, it will protrude from the inner side of the container body. one of the projections abuts, and the waterproof gasket includes: One of the ring-shaped second fitting parts is fitted with the first fitting part; an elastic flange portion protrudes from the outer surface of the second fitting portion to the diameter-expanding direction in a full circle; and An elastic sleeve part protrudes from between the second fitting part and the elastic flange part in the downward direction, and the waterproof gasket becomes the lower surface of the elastic flange part and the entrance of the protruding part side contact, and the outer surface of the elastic sleeve portion is in contact with the top side of the protruding portion, the inner peripheral surface of the elastic sleeve portion is continuously disposed downward from the lower surface of the second fitting portion. The cover body according to claim 1, wherein the waterproof gasket is elastically deformed along the inlet side of the protruding part through the elastic flange part, so that the elastic sleeve part faces the outer surface of the elastic sleeve part Elastic displacement in the direction of contact with the top side of the protrusion. The cover body as claimed in claim 2, wherein the elastic sleeve portion has a shape that gradually expands in diameter toward the bottom thereof. The cover as claimed in claim 3, wherein the elastic flange portion is located at the bottom side of the outer side of the second fitting portion. The cover body according to claim 4, wherein the first fitting portion has a shape whose width gradually becomes wider from its bottom side toward the opening side, and the second fitting portion has a shape whose width gradually narrows from its base toward the front side. shape. The cover according to claim 5, wherein the elastic member is made of fluororubber. The cover according to any one of claims 1 to 6, wherein the cover body is mounted on the container body by screwing. A container with a lid, comprising the lid as described in any one of Claims 1 to 7, and a container body, and the container body is equipped with the lid. The container with a lid according to claim 8, wherein the container body has a vacuum heat insulation structure.

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