KR20240037086A - Cap system for keeping carbonic acid - Google Patents

Abstract

A closure system for maintaining carbonation is disclosed. The stopper system for maintaining carbonation includes an upper cover with a discharge hole, a side cover protruding downward from the upper cover, and a stopper protruding upward from the upper surface of the upper cover, and a storage container on the inner surface of the side cover. An inner thread is formed to engage with the thread formed in the injection port, an inner lid with an O-ring groove is formed on the outer surface of the side cover, an opening is formed at the bottom, and a space for inserting the inner lid is formed inside, A cover part that covers part of the upper part, an opening hole that opens part of the upper part, a body part that protrudes downward from the lower surface of the cover part and includes a stop part for being caught by a stopper, and is formed by protruding upward from the body part, and is attached to the inner lid part. It may include a coupling part that can be inserted and fixed, and an O-ring that is inserted into the O-ring groove and seals the space between the body part and the inner lid part.

Description

Cap system for keeping carbonic acid {Cap system for keeping carbonic acid}

The present invention relates to a stopper system for maintaining carbonation, and more specifically, to a stopper system for maintaining carbonation that can prevent carbonation from leaking from carbonated beverages contained in a storage container.

Carbonated drinks such as cider, cola, and beer are distributed in storage containers such as plastic bottles with threads formed on the inlet. Carbonated drinks are shipped with the bottle cap connected to the thread formed on the inlet to seal the storage container. If the bottle cap is not opened, the storage container remains airtight and the carbonation contained in the stored beverage does not leak to the outside. However, once the bottle cap is opened, the storage container is not completely sealed even if the bottle cap is closed again, so the carbonation contained in the stored beverage leaks through the minute gap between the bottle cap and the mouth of the storage container, causing the taste, aroma, and texture of the stored beverage to gradually deteriorate. do. In particular, as the empty space inside the storage container increases due to the discharge of the stored beverage, the leakage of carbonic acid accelerates, and some consumers even throw away the decarbonated beverage.

Registered Utility Model Publication No. 20-0328710 discloses a device that can open a storage container in which carbonated beverages are stored and then store it by turning it upside down, and Registered Patent Publication No. 10-1453169 discloses a device that combines an empty bottle with a storage container containing carbonated beverages. A bottle cap for carbonated beverages is being disclosed that injects air from an empty bottle into a storage container, thereby increasing the pressure in the empty space of the storage container, thereby minimizing the amount of carbonic acid leaking out.

The problem to be solved by the present invention is to prevent carbonic acid leakage during storage while having a compatibility and simple structure that can be mounted on the inlet of an existing carbonated beverage storage container and at the same time prevent carbonic acid leakage even when the storage container is opened by opening the bottle cap. The goal is to provide a closure system for maintaining carbonation.

Another problem to be solved by the present invention is to provide a closure system for maintaining carbonation that can quickly discharge a beverage when pouring it from a storage container.

Another problem to be solved by the present invention is to provide a closure system for maintaining carbonation that can be produced at low cost and is reusable.

Another problem to be solved by the present invention is to provide a closure system for maintaining carbonation that can be produced at low cost and is reusable.

Another problem that the present invention aims to solve is to enable the discharge hole of the inner lid to be easily opened when pouring a beverage, and to allow the inner lid to completely close the inlet of the storage container when covering the discharge hole of the inner lid. The purpose is to provide a stopper system for maintaining carbonation.

The closure system for maintaining carbonation according to the present invention has a discharge hole formed at the top, an inner lid for fastening to the inlet of the storage container, an opening at the bottom, and a space inside for inserting the inner lid. A portion is formed, and includes a body portion including a cover portion that covers a portion of the upper portion and an opening hole that opens a portion of the upper portion, and a coupling portion that is formed to protrude upward from the body portion and can be inserted into and fixed to the inner lid portion. can do. Here, the inner diameter of the body portion may be equal to or larger than the outer diameter of the coupling portion.

When the inner lid is inserted into the body, the cover may cover the discharge hole as the body rotates. With the inner lid inserted into the body, the opening hole may be positioned above the discharge hole as the body rotates.

A thread may be formed on the inner surface of the body, and a thread may be formed on the outer surface of the inner lid to engage with the thread.

In the inner lid, a locking groove is formed on the outer surface, and in the body portion, a locking portion is formed that protrudes inward from the side and can be inserted into the locking groove, and when the inner lid is inserted into the body, The locking portion may be inserted into the locking groove, and the body portion may be fixed to the inner lid portion.

The stopper system for maintaining carbonation according to the present invention further includes an air tube for fluid to flow, an upper tube hole for inserting the air tube is formed in the cover part, and the air tube is formed in the inner lid part. A lower tube hole for insertion may be formed. Here, the air tube can be inserted into the upper tube hole and the lower tube hole to be able to move up and down.

The inner lid may be formed with an inner thread for engaging with a thread formed on the inlet of the storage container, and the coupling portion may be formed with a thread for engaging with the inner thread of the inner lid.

The closure system for maintaining carbonation according to the present invention has a discharge hole formed at the top, includes a moving part protruding downward from the bottom of the side, and has an inner thread formed on the inner side for engaging with the thread formed at the inlet of the storage container. An inner lid, an opening is formed in the lower part, a space for inserting the inner lid is formed inside, a cover part that covers a part of the upper part, and an opening hole that opens a part of the upper part, protrude inward from the side to move the It may include a body portion including a stopper portion for hanging on the portion, and a coupling portion that protrudes upward from the body portion and can be inserted into and fixed to the inner lid portion. With the inner lid inserted into the body, the cover may cover or open the discharge hole as the body rotates. As the body part rotates, the stopper part rotates and is caught by the moving part, and the stopper part pushes the moving part to rotate the inner lid part.

The stopper part includes a first stopper and a second stopper arranged to be spaced apart from the first stopper, and the moving part includes a first moving part and a second moving part arranged to be spaced apart from the first moving part. , when the first stopper is caught on the first moving part and the second stopper is caught on the second moving part, the cover part covers the discharge hole and moves in the direction in which the first stopper pushes the first moving part. When the body portion is rotated, the inner lid portion may be rotated in a direction to close the inlet of the storage container. When the first stopper is caught by the second moving part and the second stopper is caught by the first moving part, the cover part opens the discharge hole and moves in the direction in which the first stopper pushes the second moving part. When the body portion is rotated, the inner lid portion may be rotated in a direction that opens from the inlet of the storage container.

The stopper part can move along a thread formed at the inlet of the storage container. In a state in which the inner lid is coupled to the storage container, the body is pressed and the inner lid is inserted into the space in an interference fit manner, so that the lower side of the inner lid is caught by the stopper.

The stopper system for preventing carbonic acid leakage further includes an air pipe for fluid to flow, an upper pipe hole for inserting the air pipe is formed in the cover portion, and the air pipe is formed in the inner lid portion. A lower tube hole for insertion may be formed.

The coupling portion may be formed with a thread to be coupled to an inner thread of the inner lid portion.

The stopper system for maintaining carbonation according to the present invention includes an upper cover part with a discharge hole formed, a side cover part protruding downward from the upper cover part, and a stopper protruding upward from the upper surface of the upper cover part, and the side part An inner thread for engaging the thread formed in the inlet of the storage container is formed on the inner surface of the cover, an inner lid with an O-ring groove is formed on the outer surface of the side cover, an opening is formed at the lower part, and the inner lid is formed on the inside. A space for insertion is formed, a body portion including a cover portion that covers a portion of the upper portion, an opening hole that opens a portion of the upper portion, a stop portion that protrudes downward from the lower surface of the cover portion and is caught by the stopper, and the body portion. It is formed to protrude upward, and may include a coupling portion that can be inserted and fixed into the inner lid portion, and an O-ring that is inserted into the O-ring groove and seals between the body portion and the inner lid portion. With the inner lid inserted into the body, the cover may cover or open the discharge hole as the body rotates.

A second O-ring groove is further formed on the outer surface of the side cover, and is inserted into the second O-ring groove, and the closure system for maintaining carbonation includes a second O-ring for sealing between the body and the inner lid. It may further include.

The stopper may be located to the left of the discharge hole, and the discharge hole may be located forward of the stopper.

The stopper is formed in a semicircular shape, one end is located to the right of the open hole, the other end is located to the left of the open hole, the open hole is located forward of the stopper, and the stopper is located at the stopper. When caught on one end, the cover part covers the discharge hole, and when the stopper is caught on the other end of the stopper, the opening hole is located above the discharge hole, so that the discharge hole can be opened.

The stopper system for maintaining carbonation further includes an air tube for fluid to flow, the cover part has an upper tube hole for inserting the air tube, and the inner lid part has an upper tube hole for inserting the air tube. A lower tube hole may be formed for the

According to the closure system for maintaining carbonation according to the present invention, the inner lid corresponds to the commercialized bottle cap structure and has a double opening/closing structure and a rotating opening/closing structure, so it is compatible and simple structure that can be mounted on the inlet of an existing carbonated beverage storage container. Having this, it is possible to prevent carbonic acid leakage during storage and at the same time prevent carbonic acid leakage even when the storage container is opened by opening the bottle cap.

When pouring a beverage from a storage container, air is injected into the air pipe, allowing the beverage to be discharged quickly, and internal air pressure is maintained to further prevent carbonic acid leakage.

Due to the conventional bottle cap structure and the simple structure of the body and joint, it is possible to produce a cap system for maintaining carbonation that can be produced at a low cost and is reusable.

By providing a stopper part in the body part, the sealing force between the body part and the inner lid part is improved, and when pouring a drink due to the interaction between the stopper part of the body part and the moving part of the inner lid part, the body part is rotated to open the discharge hole of the inner lid part. It can be opened easily, and the inner lid can be rotated through the body while the body covers the discharge hole of the inner lid, so the inner lid can be completely closed to the inlet of the storage container, and the user can close the inner lid. You can easily check the status.

By placing an O-ring between the body and the inner lid, the sealing force is further improved, preventing carbonic acid leakage even when storing drinks for a long period of time, and the interaction between the stopper of the body and the stopper of the inner lid prevents the body from leaking when pouring a drink. The discharge hole of the inner lid can be easily opened by rotating, and the inner lid can be rotated through the body while the body covers the discharge hole of the inner lid, so the inner lid can be completely closed to the inlet of the storage container. And the user can easily check the closed state of the inner lid.

Figure 1 is an exploded perspective view of a stopper system for maintaining carbonation according to a preferred embodiment of the present invention.
Figure 2 is a perspective view of a stopper system for maintaining carbonation according to a preferred embodiment of the present invention.
Figure 3 is a vertical cross-sectional view of a stopper system for maintaining carbonation according to a preferred embodiment of the present invention.
Figure 4 is a plan view showing a closed state of the stopper system for maintaining carbonation according to a preferred embodiment of the present invention.
Figure 5 is a plan view showing an open state of the stopper system for maintaining carbonation according to a preferred embodiment of the present invention.
Figure 6 is a vertical cross-sectional view and a partial enlarged view of a stopper system for maintaining carbonation according to another preferred embodiment of the present invention.
Figure 7 is an exploded perspective view of a stopper system for maintaining carbonation according to another preferred embodiment of the present invention.
Figure 8 is a perspective view of a stopper system for maintaining carbonation according to another preferred embodiment of the present invention.
Figure 9 is a vertical cross-sectional view of a stopper system for maintaining carbonation according to another preferred embodiment of the present invention.
Figure 10 is a diagram showing an inner lid according to another preferred embodiment of the present invention.
Figure 11 is a diagram showing an external lid according to another preferred embodiment of the present invention.
Figure 12 is a cross-sectional view illustrating a state in which the inner lid part is inserted and fixed to the outer lid part.
Figure 13 is a diagram illustrating a closed state of the stopper system for maintaining carbonation according to another preferred embodiment of the present invention.
Figure 14 is a diagram for explaining an open state of a stopper system for maintaining carbonation according to another preferred embodiment of the present invention.
Figure 15 is an exploded perspective view of a stopper system for maintaining carbonation according to another preferred embodiment of the present invention.
Figure 16 is a perspective view of a stopper system for maintaining carbonation according to another preferred embodiment of the present invention.
Figure 17 is a vertical cross-sectional view of a stopper system for maintaining carbonation according to another preferred embodiment of the present invention.
Figure 18 is a diagram showing an inner lid according to another preferred embodiment of the present invention.
Figure 19 is a diagram showing an external lid according to another preferred embodiment of the present invention.

Hereinafter, a stopper system for maintaining carbonation according to the present invention will be described in detail with reference to the attached drawings. At this time, the configuration and operation of the present invention shown in and explained by the drawings are explained as at least one embodiment, and the technical idea of the present invention and its core configuration and operation are not limited thereto.

The terms used in the present invention are general terms that are currently widely used as much as possible while considering the functions in the present invention, but this may vary depending on the intention or practice of a technician working in the relevant technical field or the emergence of new technology. In addition, in certain cases, there are terms arbitrarily selected by the applicant, and in this case, the meaning will be described in detail in the description of the relevant invention. Therefore, we would like to clarify that the terms used in the present invention should be defined based on the meaning of the term and the overall content of the present invention, not just the name of the term.

Figure 1 is an exploded perspective view of a stopper system for maintaining carbonation according to a preferred embodiment of the present invention, and Figure 2 is a perspective view of a stopper system for maintaining carbonation according to a preferred embodiment of the present invention.

Referring to Figures 1 and 2, the closure system 1 for maintaining carbonation according to the present invention may include an external lid 5, an internal lid 10, and an air pipe 40. The outer lid portion 5 may include a body portion 20 and a coupling portion 30.

The storage container 60 may be a storage container for carbonated beverages. The bottle cap 70 is a bottle cap of the storage container 60. In other words, the bottle cap 70 may refer to a bottle cap attached to the storage container 60 when the storage container 60 is shipped or purchased.

Figure 3 is a vertical cross-sectional view of a stopper system for maintaining carbonation according to a preferred embodiment of the present invention.

Referring to FIG. 3, the inner lid 10 has a discharge hole 11 formed at the top, can be coupled and fixed to the inlet of the storage container 60, and has a thread formed on the inside of the inlet of the storage container 60. An inner thread 13 may be formed to be combined with (63).

In some embodiments, the inner lid 10 may have an outer thread 14 formed on its outer surface to be coupled to the thread 24 of the body 20. When the thread 14 and the thread 24 are coupled to each other, the bonding force between the body portion 20 and the inner lid portion 10 can be strengthened. In some embodiments, when the thread 14 and the thread 24 are not present, the body 20 and the inner lid 10 may be easily attached and detached, and the body 20 may be easily rotated. there is.

Additionally, a lower tube hole 15 for inserting the air tube 40 may be formed in the inner lid 10. The lower tube hole 15 may be formed in the center of the inner lid portion 10.

The inner lid 10 may include an upper cover 17 and a side cover 19 protruding downward from the upper cover 17. A discharge hole 11 may be formed in a portion of the upper cover portion 17 and a lower tube hole 15 may be formed in the central portion. Here, the discharge hole 11 and the lower tube hole 15 may be formed to be spaced apart from each other. The upper cover portion 17 may be formed in a circular shape or a plate shape.

The inner thread 13 may be formed inside the side cover 19, and the outside thread 14 may be formed outside the side cover 19.

The inner thread 13 of the inner lid 10 may be formed to correspond to the thread 73 of the bottle cap 70.

The body portion 20 has an opening formed at the bottom, a space for inserting the inner lid portion 10 is formed therein, a cover portion 21 covering a portion of the upper portion, and an opening hole opening a portion of the upper portion ( 22) may be included. The inner lid portion 10 may be inserted into the interior of the body portion 20 through an opening of the body portion 20 and positioned in the space portion.

The cover portion 21 may be formed to protrude inward from the side, and may be formed at the top or middle of the body portion 20. A space for inserting the inner lid 10 may be located below the cover 21, and the inner lid 10 may be inserted into the space and come into close contact with the cover 21. The cover portion 21 may rotate according to the rotation of the body portion 20 and cover the discharge hole 11 of the inner lid portion 10.

The open hole 22 may be an empty area in the upper part of the body 20 that is not covered by the cover 21. The opening hole 22 may be rotated according to the rotation of the body 20 and positioned at the upper part of the discharge hole 11 of the inner lid 10.

An upper tube hole 25 for inserting the air tube 40 may be formed in the cover part 21. The upper tube hole 25 may be located in the central part of the cover part 21. In some embodiments, the air tube 40 may be movably fixed to the upper tube hole 25. In some embodiments, the air pipe 40 may be integrally fixed to the upper pipe hole 25 so that it cannot be moved.

In some embodiments, the body portion 20 may have a thread 24 formed on its inner surface to be coupled to the inner lid portion 10. The thread 24 of the body 20 is coupled to the outer thread 14 of the inner lid 10, so that the body 20 can be closely attached to and fixed to the inner lid 10. When the inner lid portion 10 is inserted into the body portion 20 and tightly coupled, the upper pipe hole 25 and the lower pipe hole 15 may be arranged vertically and side by side, forming a pipe channel. An air pipe 40 may be inserted into the conduit and fixed in a movable manner.

The coupling portion 30 may be formed to protrude upward from the body portion 20, and may be inserted into and fixed to the inner lid portion 10. A thread 33 may be formed on the outside of the coupling portion 30 to be coupled to the inner thread 73 of the inner lid portion 10. The coupling portion 30 may be inserted into the bottle cap 70 and coupled to the bottle cap 70 in such a way that the thread 33 is coupled to the inner thread 73 of the bottle cap 70. The closure system (1) for maintaining carbonation according to the present invention can be stored together by coupling the inner lid portion (10) to the coupling portion (30) before use, thereby preventing only the inner lid portion (10) from being lost. You can.

The coupling portion 30 may have a diameter smaller than the inner diameter of the body portion 20.

The air pipe 40 may have a pipe through which fluid flows. The air pipe 40 may be disposed to penetrate the upper pipe hole 25 and the lower pipe hole 15. Air is inserted into the storage container 60 through the air pipe 40, which can help the beverage contained in the storage container 60 to be discharged to the outside more quickly. In some embodiments, the upper and lower positions of the air tube 40 may be adjusted depending on the height of the carbonated beverage contained in the storage container 60.

Figure 4 is a plan view showing a closed state of the stopper system for maintaining carbonation according to a preferred embodiment of the present invention, and Figure 5 is a plan view showing an open state of the stopper system for maintaining carbonation according to a preferred embodiment of the present invention. This is a floor plan.

Referring to Figures 4 and 5, in a state where the inner lid part 10 is inserted into the body part 20, the cover part 21 discharges the inner lid part 10 as the body part 20 rotates. The hole 11 can be covered or open. Figure 4 shows a state in which the cover part 21 covers the discharge hole 11 of the inner lid part 10, and the stopper system 1 for maintaining carbonation according to the present invention is closed. When the closure system 1 for maintaining carbonation is closed, the storage container 60 can be sealed. When the bottle cap 70 is additionally coupled to the coupling portion 30 as shown in FIG. 2, the cap system 1 for maintaining carbonation according to the present invention double seals the storage container 60, so that it can be used during normal (storage) time. It can prevent carbonic acid from leaking out.

In the closed state of Figure 4, when the body part 20 is rotated and the opening hole 22 of the body part 20 is located in the discharge hole 11 of the inner lid part 10, the inner lid is opened as shown in Figure 5. The discharge hole 11 of the unit 10 may be in an open state, and the stopper system 1 for maintaining carbonation according to the present invention may be in an open state. That is, Figure 5 shows the discharge hole 11 of the inner lid 10 in an open state and the closure system 1 for maintaining carbonation according to the present invention in an open state.

After separating the bottle cap 70 from the coupling portion 30, the user lifts the storage container 60 upside down in the closed state of Figure 4 (with the inlet facing the ground) and uses the closure system mounted on the storage container 60 ( After 1) is brought to the lower part, the body part 20 is rotated so that the closure system 1 is in the open state of FIG. 5, and the beverage contained in the storage container 60 flows into the discharge hole 11 and the opening hole. It can be discharged to the outside through (22). At this time, since the air (carbonic acid) in the empty space within the storage container 60 has moved to the upper part (bottom of the storage container), it will not be discharged when the closure system 10 is opened and will remain in the storage container 60. You can. Accordingly, the closure system 1 for maintaining carbonic acid according to the present invention can prevent carbonic acid remaining in the empty space of the storage container 60 from leaking even when the storage container 60 is opened. In particular, when drinking a beverage stored in a large-capacity storage container 60, it is generally consumed several times. In this case, even if carbonic acid is prevented from leaking during storage, carbonic acid leaks during the opening and closing process of the bottle cap 70, causing the bottle cap 70 to leak. Carbonation is removed from the beverage due to multiple opening and closing of the bottle, but the cap system 1 for maintaining carbonation according to the present invention is effective in maintaining carbonation in the beverage even after opening and closing the bottle cap 70 several times.

Figure 6 is a vertical cross-sectional view and a partial enlarged view of a stopper system for maintaining carbonation according to another preferred embodiment of the present invention.

Referring to FIG. 6, the closure system 2 for maintaining carbonation according to the present invention may include an inner lid 10, a body 20, a coupling portion 30, and an air pipe 40.

A locking groove 16 may be formed on the outer surface of the inner lid 10. A locking portion 26 is formed on the body portion 20, which protrudes inward from the side and can be inserted into the locking groove portion 16. When the inner lid portion 10 is inserted into the body portion 20, the locking portion 26 is formed. (26) is inserted into the locking groove 16, so that the body 20 can be fixed to the inner lid 10. The corners of the catching portion 26 may be rounded, and thus the inner lid portion 10 may be more easily inserted into the body portion 20. By checking that the locking portion 26 is inserted into the locking groove 16, the user can confirm that the body portion 20 and the inner lid portion 10 are completely coupled to each other, and the locking groove 160 As a result, the body portion 20 is prevented from being separated from the inner lid portion 10 when rotated, and the body portion 20 can be easily rotated.

The partially enlarged view of FIG. 6 shows the locking groove 16 and the locking portion 26 spaced apart. With the inner lid 10 coupled to the storage container 60, the body 20 can be pressed to allow the locking portion 26 to be inserted into the locking groove 16 in an interference fit manner. In some embodiments, as shown in the partially enlarged view of FIG. 6, the corners of the locking portion 26 may be rounded, and thus the locking portion 16 can be more easily inserted into the locking groove 16.

The stopper system 2 for maintaining carbonation shown in FIG. 6 has the outer thread 14 of the inner lid 10 and the thread of the body 20 of the stopper system 1 for maintaining carbonation shown in FIG. 3. (24) Instead, the locking groove 16 of the inner lid 10 and the locking portion 26 of the body 20 are used, and the remaining components of the closure system 2 are those of the closure system 1. It may correspond to the remaining components, so detailed description is omitted.

Figure 7 is an exploded perspective view of a stopper system for maintaining carbonation according to another preferred embodiment of the present invention, Figure 8 is a perspective view of a stopper system for maintaining carbonation according to another preferred embodiment of the present invention, and Figure 9 is This is a vertical cross-sectional view of a stopper system for maintaining carbonation according to another preferred embodiment of the present invention.

Referring to FIGS. 7 to 9, the closure system 2 for maintaining carbonation according to the present invention may include an external lid 5, an internal lid 10, and an air pipe 40. The outer lid portion 5 may include a body portion 20 and a coupling portion 30.

The storage container 60 may be a storage container for carbonated beverages. The bottle cap 70 is a bottle cap of the storage container 60. In other words, the bottle cap 70 may refer to a bottle cap attached to the storage container 60 when the storage container 60 is shipped or purchased.

Figure 10 is a diagram showing an inner lid according to another preferred embodiment of the present invention. In Figure 10, (a) is a plan view of the inner lid, (b) is a front view of the inner lid, (c) is a cross-sectional view of the inner lid along line AA, (d) is a left side view of the inner lid, (e) ) is a right side view of the inner lid, (f) is a cross-sectional view of the inner lid along line BB, (g) is a bottom view of the inner lid, and (h) is a rear view of the inner lid.

Referring to FIG. 10, the inner lid 10 has a discharge hole 11 formed at the top, includes a moving part 12 protruding downward from the bottom of the side, and is fixedly coupled to the inlet of the storage container 60. It may be, and an inner thread 13 may be formed on the inside to be coupled to the thread 63 formed at the inlet of the storage container 60. The discharge hole 11 may be arranged to be spaced apart from line AA, which is the center line of the inner lid 10 (line AA shown in FIG. 10).

Additionally, a lower tube hole 15 for inserting the air tube 40 may be formed in the inner lid 10. The lower tube hole 15 may be formed in the center of the inner lid portion 10.

The inner lid 10 may include an upper cover 17 and a side cover 19 protruding downward from the upper cover 17. A discharge hole 11 may be formed in a portion of the upper cover portion 17 and a lower tube hole 15 may be formed in the central portion. Here, the discharge hole 11 and the lower tube hole 15 may be formed to be spaced apart from each other. The upper cover portion 17 may be formed in a circular shape or a plate shape. An inner thread 13 may be formed inside the side cover 19.

The moving part 12 may be formed to extend downward from the bottom of the side cover part 19. The moving part 12 may include a first moving part 121 and a second moving part 123. The first moving part 121 and the second moving part 123 may be arranged to be spaced apart from each other and from the AA line of the inner lid part 10. In some embodiments, when dividing the area of the inner lid 10 based on the AA line of the inner lid 10, the first moving part 121 may be located in a different area from the discharge hole 11. And, the second moving part 123 may be located in the same area as the discharge hole 11. Here, the first moving part 121 and the second moving part 123 may be spaced apart from each other at equal left and right intervals.

Line BB, which is the center line of the inner lid 10, is perpendicular to line AA and may pass through the center of the discharge hole 11.

The inner thread 13 of the inner lid 10 may be formed to correspond to the thread 73 of the bottle cap 70.

Figure 11 is a diagram showing an external lid according to another preferred embodiment of the present invention. In Figure 11, (a) is a top view of the outer lid, (b) is a front view of the outer lid, (c) is a cross-sectional view of the outer lid along line AA, (d) is a left side view of the outer lid, (e) ) is a right side view of the outer lid, (f) is a cross-sectional view of the outer lid along line BB, and (g) is a bottom view of the outer lid.

Referring to FIG. 11, the body portion 20 has an opening formed at the bottom, a space portion for inserting the inner lid portion 10 is formed therein, a cover portion 21 covering a portion of the upper portion, and a portion of the upper portion. It may include an opening hole 22 that opens, and a stopper part 27 that protrudes inward from the side and is caught by the moving part 12. The inner lid portion 10 may be inserted into the interior of the body portion 20 through an opening of the body portion 20 and positioned in the space portion.

The cover portion 21 may be formed to protrude inward from the side, and may be formed at the top or middle of the body portion 20. A space for inserting the inner lid 10 may be located below the cover 21, and the inner lid 10 may be inserted into the space and come into close contact with the cover 21. The cover portion 21 may rotate according to the rotation of the body portion 20 and cover the discharge hole 11 of the inner lid portion 10.

The open hole 22 may be an empty area in the upper part of the body 20 that is not covered by the cover 21. The opening hole 22 may be rotated according to the rotation of the body 20 and positioned at the upper part of the discharge hole 11 of the inner lid 10. The open hole 22 may be arranged to be spaced apart from line AA, which is the center line of the body portion 20 (line AA shown in FIG. 11).

An upper tube hole 25 for inserting the air tube 40 may be formed in the cover part 21. The upper tube hole 25 may be located in the central part of the cover part 21. In some embodiments, the air tube 40 may be movably fixed to the upper tube hole 25. In some embodiments, the air pipe 40 may be integrally fixed to the upper pipe hole 25 so that it cannot be moved. When the inner lid portion 10 is inserted into the body portion 20 and tightly coupled, the upper pipe hole 25 and the lower pipe hole 15 may be arranged vertically and side by side, forming a pipe channel. An air pipe 40 may be inserted into the conduit and fixed in a movable manner.

The stopper part 27 protrudes inward from the side of the body part 20 and can be caught on the moving part 12. The stopper unit 27 can move along the thread 63 formed at the inlet of the storage container 60.

Figure 12 is a cross-sectional view illustrating a state in which the inner lid part is inserted and fixed to the outer lid part.

Referring to FIG. 12, while the inner lid 10 is coupled to the storage container 60, the body 20 is pressed so that the inner lid 10 is pressed into the space of the body 20. It can be inserted into the part, and the lower side of the inner lid part 10 can be caught on the stopper part 27. Accordingly, the inner lid portion 10 can be inserted into and fixed to the body portion 20. In some embodiments, the corner portion of the stopper portion 27 may be rounded, thereby allowing the inner lid portion 10 to be more easily inserted into the body portion 20.

In some embodiments, the height of the space portion of the body portion 20 may be formed to be higher than the height of the inner lid portion 10.

In some embodiments, the height of the space portion of the body portion 20 may be formed to correspond to the height of the inner lid portion 10. In this embodiment, the stopper portion 27 may be formed to protrude inward from the lower side of the body portion 20.

The stopper unit 27 may include a first stopper 28 and a second stopper 29. The first stopper 28 and the second stopper 29 may be located on the AA line of the body portion 20, and the open hole 22 may be located in one of the two areas divided by the AA line. You can. Line BB, which is the center line of the body portion 20, is perpendicular to line AA and may pass through the center of the open hole 22.

In some embodiments, the distance of the opening hole 22 from the AA line of the body portion 20 may correspond to the distance of the discharge hole 11 from the AA line of the inner lid portion 10, and the inner lid portion 10 may be spaced apart from the AA line of the opening hole 22. With (10) inserted into the body 20, when the AA line of the body 20 and the AA line of the inner lid 10 coincide, the BB line of the body 20 and the inner lid ( 10), the BB line may coincide, the first stopper 28 and the second stopper 29 are located on the AA line of the inner lid part 10, and the first stopper 28 is connected to the second moving part. It may be caught in (123) and the second stopper (29) is caught in the first moving part (121).

When the first stopper 28 is caught on the first moving part 121 and the second stopper 29 is caught on the second moving part 123, the cover part 21 can cover the discharge hole 11. . In a state where the first stopper 28 is caught on the first moving part 121, when the body part 20 is rotated in the direction in which the first stopper 28 pushes the first moving part 121, the inner lid part ( 10) can be rotated in a direction to close the inlet of the storage container 60. When the inner lid 10 is completely closed to the inlet of the storage container 60, the movement of the first stopper 28 is restricted, so the user can confirm that the inner lid 10 is completely closed.

When the first stopper 28 is caught on the second moving part 123 and the second stopper 29 is caught on the first moving part 121, the open hole 22 is located in the upper part of the discharge hole 11. The discharge hole 11 may be open. In a state where the first stopper 28 is caught on the second moving part 123, when the body part 20 is rotated in the direction in which the first stopper 28 pushes the second moving part 123, the inner lid part ( 10) can be rotated in the direction of opening from the inlet of the storage container 60. The user can rotate the body 20 to open the inner lid 10 and open the injection port of the storage container 60.

In an embodiment in which the first moving part 121 and the second moving part 123 are located in different areas based on the center line AA, the first stopper 28 is caught by the second moving part 123 and the second stopper When (29) is caught on the first moving part 121, the first stopper 28 and the second stopper 29 are located at the center line AA, and the discharge hole 11 and the opening hole 22 are directed upward and downward. They can be located coincidentally, and the opening hole 22 is located above the discharge hole 11 so that the discharge hole 11 can be opened.

The coupling portion 30 may be formed to protrude upward from the body portion 20, and may be inserted into and fixed to the inner lid portion 10. A thread 33 may be formed on the outside of the coupling portion 30 to be coupled to the inner thread 13 of the inner lid portion 10. The coupling portion 30 may be inserted into the bottle cap 70 and coupled to the bottle cap 70 in such a way that the thread 33 is coupled to the inner thread 73 of the bottle cap 70. The closure system (2) for maintaining carbonation according to the present invention can be stored together by coupling the inner lid portion (10) to the coupling portion (30) before use, thereby preventing only the inner lid portion (10) from being lost. You can.

The coupling portion 30 may have a diameter smaller than the inner diameter of the body portion 20.

The air pipe 40 may have a pipe through which fluid flows. The air pipe 40 may be disposed to penetrate the upper pipe hole 25 and the lower pipe hole 15. Air is inserted into the storage container 60 through the air pipe 40, which can help the beverage contained in the storage container 60 to be discharged to the outside more quickly. In some embodiments, the upper and lower positions of the air tube 40 may be adjusted depending on the height of the carbonated beverage contained in the storage container 60.

Figure 13 is a diagram illustrating a closed state of the stopper system for maintaining carbonation according to another preferred embodiment of the present invention, and Figure 14 is a view showing the stopper system for maintaining carbonation in an open state according to another preferred embodiment of the present invention. This is a drawing to explain the current state.

Referring to Figures 13 and 14, in a state where the inner lid part 10 is inserted into the body part 20, the cover part 21 discharges the inner lid part 10 as the body part 20 rotates. The hole 11 can be covered or open. Figure 13 shows a case where the first stopper 28 is caught on the first moving part 121 and the second stopper 29 is caught on the second moving part 123, and the cover part 21 is the inner lid part 10. The stopper system 2 for maintaining carbonation according to the present invention is shown in a closed state with the discharge hole 11 covered. When the closure system 2 for maintaining carbonation is closed, the storage container 60 can be sealed. When the bottle cap 70 is additionally coupled to the coupling portion 30 as shown in FIG. 8, the cap system 2 for maintaining carbonation according to the present invention double seals the storage container 60, so that it can be used during normal (storage) time. It can prevent carbonic acid from leaking out.

In the closed state of Figure 13, when the body part 20 is rotated and the opening hole 22 of the body part 20 is located in the discharge hole 11 of the inner lid part 10, the inner lid is opened as shown in Figure 14. The discharge hole 11 of the unit 10 may be in an open state, and the stopper system 2 for maintaining carbonation according to the present invention may be in an open state.

Figure 14 shows a case where the first stopper 28 is caught on the second moving part 123 and the second stopper 29 is caught on the first moving part 121, and the discharge hole 11 of the inner lid part 10 is shown in Figure 14. In the open state, the closure system 2 for carbonation retention according to the present invention is shown in an open state. Also, in Figure 14, the AA line of the body portion 20 and the AA line of the inner lid portion 10 are aligned, and the BB line of the body portion 20 and the BB line of the inner lid portion 10 are aligned, The first stopper 28 and the second stopper 29 are located on the AA line of the inner lid 10, and the first stopper 28 is caught on the second moving part 123 and the second stopper 29 ) can be confirmed to be stuck on the first moving part 121.

In the closed state of FIG. 13, when the body portion 20 rotates in the direction in which the first stopper 28 pushes the first moving portion 121, the inner lid portion 10 closes the inlet of the storage container 60. Can be rotated in any direction. In addition, in the open state of FIG. 14, when the body portion 20 is rotated in the direction in which the first stopper 28 pushes the second moving portion 123, the inner lid portion 10 moves toward the inlet of the storage container 60. It can be rotated in the direction of opening from.

After separating the bottle cap 70 from the coupling portion 30, the user lifts the storage container 60 upside down in the closed state of Figure 13 (with the inlet facing the ground) and uses the closure system mounted on the storage container 60 ( After 2) is brought to the lower part, the body part 20 is rotated so that the closure system 2 is in the open state of FIG. 14, and the beverage contained in the storage container 60 flows into the discharge hole 11 and the opening hole. It can be discharged to the outside through (22). At this time, since the air (carbonic acid) in the empty space within the storage container 60 has moved to the upper part (bottom of the storage container), it will not be discharged when the closure system 10 is opened and will remain in the storage container 60. You can. Accordingly, the closure system 2 for maintaining carbonic acid according to the present invention can prevent carbonic acid remaining in the empty space of the storage container 60 from leaking even when the storage container 60 is opened. In particular, when drinking a beverage stored in a large-capacity storage container 60, it is generally consumed several times. In this case, even if carbonic acid leakage is prevented during storage, carbonic acid leaks during the opening and closing process of the bottle cap 70, causing the bottle cap 70 to leak. Carbonation is removed from the beverage due to multiple opening and closing of the bottle, but the cap system 2 for maintaining carbonation according to the present invention is effective in maintaining carbonation in the beverage even after opening and closing the bottle cap 70 several times.

Figure 15 is an exploded perspective view of a stopper system for maintaining carbonation according to another preferred embodiment of the present invention, Figure 16 is a perspective view of a stopper system for maintaining carbonation according to another preferred embodiment of the present invention, and Figure 17 is This is a vertical cross-sectional view of a stopper system for maintaining carbonation according to another preferred embodiment of the present invention.

15 to 17, the closure system 3 for maintaining carbonation according to the present invention includes an external lid 5, an internal lid 10, an air tube 40, a first O-ring 81, And it may include a second O-ring (83). The outer lid portion 5 may include a body portion 20 and a coupling portion 30.

The storage container 60 may be a storage container for carbonated beverages. The bottle cap 70 is a bottle cap of the storage container 60. In other words, the bottle cap 70 may refer to a bottle cap attached to the storage container 60 when the storage container 60 is shipped or purchased.

Figure 18 is a diagram showing an inner lid according to another preferred embodiment of the present invention. In Figure 18, (a) is a plan view of the inner lid, (b) is a front view of the inner lid, (c) is a cross-sectional view of the inner lid along line AA, (d) is a left side view of the inner lid, (e) ) is a right side view of the inner lid, (f) is a cross-sectional view of the inner lid along line BB, and (g) is a bottom view of the inner lid.

Referring to FIG. 18, the inner lid 10 has a discharge hole 11 formed at the top, can be coupled and fixed to the inlet of the storage container 60, and has a thread formed on the inside of the inlet of the storage container 60. An inner thread 13 may be formed to be combined with (63). The discharge hole 11 may be arranged to be spaced apart from line AA, which is the center line of the inner lid 10 (line AA shown in FIG. 18).

Additionally, a lower tube hole 15 for inserting the air tube 40 may be formed in the inner lid 10. The lower tube hole 15 may be formed in the center of the inner lid portion 10.

The inner lid 10 may include an upper cover 17, a stopper 18, a side cover 19, a first O-ring groove 191, and a second O-ring groove 193. A discharge hole 11 may be formed in a portion of the upper cover portion 17 and a lower tube hole 15 may be formed in the central portion. Here, the discharge hole 11 and the lower tube hole 15 may be formed to be spaced apart from each other. The upper cover portion 17 may be formed in a circular shape or a plate shape.

The stopper 18 may protrude upward from the upper cover portion 17. The stopper 180 may be located to the left of the discharge hole 11. The discharge hole 11 may be located forward of the stopper 18.

The side cover part 19 may protrude downward from the upper cover part 17. An inner thread 13 may be formed inside the side cover 19.

The first O-ring groove 191 may be formed on the outer surface of the side cover portion 19. The first O-ring 81 may be inserted into the first O-ring groove 191.

The second O-ring groove 193 may be formed on the outer surface of the side cover portion 19. The second O-ring groove 193 may be located below the first O-ring groove 191. The second O-ring 83 may be inserted into the second O-ring groove 193.

Line BB, which is the center line of the inner lid 10, is perpendicular to line AA and may pass through the center of the discharge hole 11.

The inner thread 13 of the inner lid 10 may be formed to correspond to the thread 73 of the bottle cap 70.

Figure 19 is a diagram showing an external lid according to another preferred embodiment of the present invention. In Figure 19, (a) is a top view of the outer lid, (b) is a front view of the outer lid, (c) is a cross-sectional view of the outer lid along line AA, (d) is a left side view of the outer lid, (e) ) is a cross-sectional view of the outer lid along line BB, (f) is a right side view of the outer lid, and (g) is a bottom view of the outer lid.

Referring to FIG. 19, the body portion 20 has an opening formed at the bottom, a space portion for inserting the inner lid portion 10 is formed therein, a cover portion 21 covering a portion of the upper portion, and a portion of the upper portion. It may include an opening hole 22 that opens, and a stopper 23 that protrudes from the lower surface of the cover part 21 and is caught by the stopper 18 of the inner cover part 10. The inner lid portion 10 may be inserted into the interior of the body portion 20 through an opening of the body portion 20 and positioned in the space portion.

The cover portion 21 may be formed to protrude inward from the side, and may be formed at the top or middle of the body portion 20. A space for inserting the inner lid 10 may be located below the cover 21, and the inner lid 10 may be inserted into the space and come into close contact with the cover 21. The cover portion 21 may rotate according to the rotation of the body portion 20 and cover the discharge hole 11 of the inner lid portion 10.

The open hole 22 may be an empty area in the upper part of the body 20 that is not covered by the cover 21. The opening hole 22 may be rotated according to the rotation of the body 20 and positioned at the upper part of the discharge hole 11 of the inner lid 10. The open hole 22 may be arranged to be spaced apart from line AA, which is the center line of the body portion 20 (line AA shown in FIG. 19).

An upper tube hole 25 for inserting the air tube 40 may be formed in the cover part 21. The upper tube hole 25 may be located in the central part of the cover part 21. In some embodiments, the air tube 40 may be movably fixed to the upper tube hole 25. In some embodiments, the air pipe 40 may be integrally fixed to the upper pipe hole 25 so that it cannot be moved. When the inner lid portion 10 is inserted into the body portion 20 and tightly coupled, the upper pipe hole 25 and the lower pipe hole 15 may be arranged vertically and side by side, forming a pipe channel. An air pipe 40 may be inserted into the conduit and fixed in a movable manner.

The stopper 23 may be formed in a semicircular shape, one end 231 may be located to the right of the open hole 22, and the other end 233 may be located to the left of the open hole 22. The open hole 22 may be located ahead of the stopper 23. When the stopper 18 is caught on one end 231 of the stopper 23, the cover portion 21 may cover the discharge hole 11, and the stopper system 3 may be in a closed state.

When the stopper 18 is caught on the other end 233 of the stopper 23, the opening hole 22 is located above the discharge hole 11, so the discharge hole 11 can be opened, and the closure system 3 ) can be in an open state.

With the closure system (3) in the open state, when the body portion (20) is rotated clockwise, one end (231) of the stopper (23) is caught on the stopper (18), and the closure system (3) is in a closed state. It can be. If the body portion 20 continues to rotate clockwise while the closure system 3 is closed, the inner lid portion 10 may be rotated from the inlet of the storage container 60 in the closing direction. Accordingly, the body portion 20 can be rotated to allow the inner lid portion 10 to close the inlet of the storage container 60. With the inner lid 10 inserted into the body 20, the inner lid 10 is coupled to the inlet of the storage container 60, and the body 20 is rotated clockwise to form the inner lid ( 10) can close the inlet of the storage container 60. With closure system 3 closed, storage container 60 can be sealed.

When the closure system (3) is closed and the body portion (20) is rotated counterclockwise, the other end (233) of the stopper (23) is caught by the stopper (18), and the closure system (3) is in an open state. It can be. If the body portion 20 continues to rotate clockwise while the closure system 3 is open, the inner lid portion 10 may be rotated in the direction of opening from the inlet of the storage container 60. Accordingly, the body portion 20 can be rotated to open the inner lid portion 10 from the inlet of the storage container 60.

In some embodiments, the stopper 23 may have one end 231 and the other end 233 separated from each other.

In some embodiments, while the inner lid 10 is coupled to the storage container 60, the body 20 is pressed so that the inner lid 10 is pressed into the space of the body 20. It can be inserted into .

The first O-ring 81 and the second ring 83 can seal between the inner lid 10 and the body 20. Accordingly, the space between the inner lid portion 10 and the body portion 20 is double and completely sealed to prevent carbonic acid from leaking from the storage container 60. That is, even when the coupling portion 30 is open, the closure system 3 can completely prevent carbonic acid from leaking from the storage container 60.

In some embodiments, the height of the space portion of the body portion 20 may be formed to be higher than the height of the inner lid portion 10.

In some embodiments, the height of the space portion of the body portion 20 may be formed to correspond to the height of the inner lid portion 10.

The coupling portion 30 may be formed to protrude upward from the body portion 20, and may be inserted into and fixed to the inner lid portion 10. A thread 33 may be formed on the outside of the coupling portion 30 to be coupled to the inner thread 13 of the inner lid portion 10. The coupling portion 30 may be inserted into the bottle cap 70 and coupled to the bottle cap 70 in such a way that the thread 33 is coupled to the inner thread 73 of the bottle cap 70. The closure system (3) for maintaining carbonation according to the present invention can be stored together by coupling the inner lid portion (10) to the coupling portion (30) before use, thereby preventing only the inner lid portion (10) from being lost. You can.

The coupling portion 30 may have a diameter smaller than the inner diameter of the body portion 20.

When the bottle cap 70 is additionally coupled to the coupling portion 30 as shown in Figure 16, the cap system 3 for maintaining carbonation according to the present invention includes a first O-ring 81, a second ring 83, and an inner lid. By sealing the storage container 60 triplely with the portion 10, the body portion 20, and the bottle cap 70, carbonic acid can be prevented from leaking during normal use (when stored), and only the bottle cap 70 can be used to prevent carbonic acid from leaking. Carbon dioxide leakage can be prevented more completely than in the previous case.

The air pipe 40 may have a pipe through which fluid flows. The air pipe 40 may be disposed to penetrate the upper pipe hole 25 and the lower pipe hole 15. Air is inserted into the storage container 60 through the air pipe 40, which can help the beverage contained in the storage container 60 to be discharged to the outside more quickly. In some embodiments, the upper and lower positions of the air tube 40 may be adjusted depending on the height of the carbonated beverage contained in the storage container 60.

After separating the bottle cap 70 from the coupling part 30, the user lifts the storage container 60 upside down in a closed state (with the inlet facing the ground) and closes the closure system 3 mounted on the storage container 60. After being brought to the lower part, when the body part 20 is rotated to open the closure system 3, the beverage contained in the storage container 60 flows out through the discharge hole 11 and the opening hole 22. may be discharged as At this time, since the air (carbonic acid) in the empty space within the storage container 60 has moved to the upper part (bottom of the storage container), it will not be discharged when the closure system 10 is opened and will remain in the storage container 60. You can. Accordingly, the closure system 3 for maintaining carbonic acid according to the present invention can prevent carbonic acid remaining in the empty space of the storage container 60 from leaking even when the storage container 60 is opened. In particular, when drinking a beverage stored in a large-capacity storage container 60, it is generally consumed several times. In this case, even if carbonic acid leakage is prevented during storage, carbonic acid leaks during the opening and closing process of the bottle cap 70, causing the bottle cap 70 to leak. Carbonation is removed from the beverage due to multiple opening and closing of the bottle, but the cap system 3 for maintaining carbonation according to the present invention is effective in maintaining carbonation in the beverage even after opening and closing the bottle cap 70 several times.

Although preferred embodiments of the present invention have been shown and described above, the present invention is not limited to the specific preferred embodiments described above, and can be used in the technical field to which the invention pertains without departing from the gist of the present invention as claimed in the claims. Anyone skilled in the art can make various modifications, and such modifications fall within the scope of the claims.

Closure system 1, 2, 3 for carbonation retention External lid 5
Inner lid 10 Body 20
Joint 30 Air tube 40
Storage container 60 Bottle cap 70

Claims (6)

It includes an upper cover with a discharge hole, a side cover that protrudes downward from the upper cover, and a stopper that protrudes upward from the upper surface of the upper cover, and a thread formed at the inlet of the storage container on the inner side of the side cover. an inner lid portion having an inner thread for coupling with the inner lid portion and an O-ring groove formed on an outer surface of the side cover portion;
An opening is formed in the lower part, a space for inserting the inner lid is formed inside, a cover part that covers a part of the upper part, an opening hole that opens a part of the upper part, and a bottom part that protrudes downward from the lower surface of the cover part to the stopper. a body portion including a stop for engaging;
a coupling portion that protrudes upward from the body portion and is insertable and fixable in the inner lid portion; and
A closure system for maintaining carbonation, characterized in that it is inserted into the O-ring groove and includes an O-ring for sealing between the body portion and the inner lid portion. According to clause 1,
With the inner lid inserted into the body,
A closure system for maintaining carbonation, wherein the cover portion covers or opens the discharge hole as the body portion rotates. According to clause 1,
A second O-ring groove is further formed on the outer surface of the side cover,
A closure system for maintaining carbonation, characterized in that it is inserted into the second O-ring groove and further includes a second O-ring for sealing between the body portion and the inner lid portion. According to clause 1,
The stopper is,
Located to the left of the discharge hole,
The discharge hole is,
A stopper system for maintaining carbonation, characterized in that it is located forward of the stopper. According to clause 1,
The stopper,
It is formed in a semicircle, one end is located to the right of the open hole, and the other end is located to the left of the open hole,
The open hole is,
Located ahead of the stop,
When the stopper is caught on one end of the stop,
The cover portion covers the discharge hole,
When the stopper is caught on the other end of the stop,
A stopper system for maintaining carbonation, characterized in that the opening hole is located above the discharge hole, so that the discharge hole is open. According to clause 1,
It further includes an air pipe for fluid to flow,
In the cover part,
An upper tube hole is formed for inserting the air tube,
In the inner lid,
A stopper system for maintaining carbonation, characterized in that a lower tube hole is formed for inserting the air tube.

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