KR102428784B1 - Device for preventing wine from oxidizing - Google Patents

Abstract

The present invention relates to a wine oxidation preventing apparatus. The wine oxidation preventing apparatus according to one embodiment of the present invention, as the wine oxidation preventing apparatus for preventing oxidation of wine, may comprise: a sealing unit which can be inserted into the inside of a wine bottle and is configured to block contact between air and the wine in the wine bottle; a connection unit of which one end is connected to the sealing unit and which has a pipe shape extending in the longitudinal direction; and a manipulation unit which is coupled to the other end of the connection unit and controls movement of the sealing unit. Accordingly, the wine oxidation preventing apparatus can preserve the wine remaining in the wine bottle for a long period of time in a non-oxidizing status with a low cost and a few parts.

Description

DEVICE FOR PREVENTING WINE FROM OXIDIZING

The present invention relates to wine, and more particularly, to a device for preventing oxidation of wine remaining in a wine bottle.

Wine is an alcoholic beverage made by fermenting the juice of crushed grapes. Wine is the fruit wine of the brewery in terms of its manufacturing method, and the alcohol content of today's wine is usually between 13-15%.

Once opened, wine is easily oxidized by the air introduced into the bottle, making it difficult to preserve. As a method of preserving an opened wine, there is a method of discharging oxygen in the bottle to the outside by injecting nitrogen or argon into the bottle. As another method, there is a method of discharging the air in the wine bottle to the outside using a vacuum pump.

The method of discharging oxygen in the bottle to the outside by putting nitrogen or argon into the bottle is effective for preservation, but a complicated device is required to put nitrogen or argon gas into the bottle, which incurs high cost.

The method of discharging the air in the wine bottle to the outside using a vacuum pump has a shorter storage period than using nitrogen gas or argon gas. In addition, this method has a disadvantage that the smell of wine comes out together with the air.

In addition, since it is necessary to manually pump the air using a pump, it is difficult for women, the elderly, and children with weak strength to discharge most of the air in the bottle to the outside through pumping multiple times. In addition, the amount of air that can be blown out varies from person to person because the work has to be done manually.

The problem to be solved by the present invention is to solve the problems of the prior art described above, and not only does not use a gas for discharging oxygen, but also does not use an additional mechanism such as a vacuum pump, low cost and few parts It is to provide an antioxidant for wine to preserve the wine remaining in the wine bottle for a long period of time without oxidation.

As a means for solving the above problems, the wine oxidation prevention device according to an embodiment of the present invention is a wine oxidation prevention device for preventing oxidation of wine, which can be inserted into the wine bottle, and the wine in the wine bottle a sealing unit configured to block contact between the air and the air; a connection part having one end coupled to the sealing part and having a pipe shape extending in the longitudinal direction; It is coupled to the other end of the connection part, it may include a manipulation part for controlling the movement of the sealing part.

In one embodiment, the sealing part is configured in a disc shape including a bendable material, the sealing part can be deformed from the disc shape into a shape insertable into the mouth of the wine bottle.

In one embodiment, the sealing part includes a sealing member and a support member, and the sealing member is configured to have a size and shape in contact with the inner wall surface of the wine bottle when the sealing part is inserted into the wine bottle, and the support The member may be in contact with one surface of the sealing member, may include a material for supporting the sealing member, and may be coupled to one end of the connecting portion.

In an embodiment, the connection part includes a pipe part coupled to the manipulation part and a hinge part coupled to the sealing part, and the pipe part transmits the rotational motion of the manipulation part to the hinge part, and the hinge part rotates the pipe part. It may be configured to change the angle formed by the sealing part and the pipe part according to each other.

In one embodiment, the pipe part includes an outer pipe extending in a longitudinal direction and an inner pipe inserted into the outer pipe and configured to be rotatable in the outer pipe, and the inner wall surface of the inner pipe has a first unevenness is formed, and the first unevenness may be formed to be rotatable together with the second unevenness of the outer surface of the protrusion formed in the manipulation unit.

In one embodiment, the hinge portion includes a fixed portion and a rotating portion, the fixed portion is configured in a pipe shape coupled to one end of the outer pipe, the rotating portion is engaged with one end of the inner pipe and the inner pipe may be configured to rotate together according to the rotation of

In one embodiment, the rotating unit includes a coupling rotating unit and a rotating shaft converting unit, and the coupling rotating unit is engaged with one end of the inner pipe, and is configured to rotate within the fixed unit when the inner pipe rotates, The rotating shaft converting unit may be configured to be connected to one end of the coupling rotating part, the other end being coupled to the sealing unit, and changing an angle formed by the sealing unit and the pipe unit according to the rotation of the coupling rotating unit.

In one embodiment, the rotation shaft conversion unit may have a conical shape, and a bottom surface of the conical shape may be connected to have an inclination with one end of the coupling rotating unit.

In one embodiment, the manipulation unit includes an outer cap, an intermediate cap and an inner cap, the inner cap is hollow and has a shape that increases in diameter toward the bottom, and the middle cap is detachable from one end of the inner cap coupled so as to have a hollow shape, the outer cap is detachably coupled to one end of the intermediate cap, and has a protrusion configured to be rotatable together by being engaged with the first unevenness formed in the connecting portion, the inner cap and the middle The cap may have a through hole through which the connection part passes.

In one embodiment, the sealing part has a first through passage passing through the central portion, the connecting portion has a second through passage passing through the central portion and communicating with the first through passage, the first through passage and the The fluid in the wine bottle may be discharged to the outside of the wine bottle through the second through passage.

According to an embodiment of the present invention, a sealing part which is insertable into the inside of the wine bottle and configured to block contact between the wine and air in the wine bottle, one end of which is coupled to the sealing part and a connection part having a pipe shape extending in the longitudinal direction, and a manipulation unit for controlling the movement of the sealing unit and coupled to the other end of the connection unit, so that gas for discharging oxygen is not used, and additional devices such as a vacuum pump are not used, and low-cost and small parts are also used. A wine antioxidant may be provided to preserve the wine remaining in the wine bottle from oxidation for a long period of time.

1 is a perspective view of a state in which the wine oxidation prevention device according to an embodiment of the present invention is coupled to the wine bottle.
Figure 2a is a perspective view of the wine oxidation prevention device in accordance with an embodiment of the present invention before or after being inserted into the wine bottle before sealing the wine oxidation prevention device.
Figure 2b is a perspective view of the wine oxidation prevention device according to an embodiment of the present invention when sealing the wine bottle wine.
3 is a perspective view of a state in which the sealing portion of the wine oxidation prevention device according to an embodiment of the present invention is bent along the circumference of the outer pipe.
Figure 4 is an exploded perspective view of the wine oxidation prevention device according to an embodiment of the present invention.
Figure 5a is a perspective view of the outer cap of the wine oxidation prevention device according to an embodiment of the present invention.
Figure 5b is a perspective view of the pipe portion of the wine oxidation prevention device according to an embodiment of the present invention.
6A and 6B are views for explaining the coupling state and the rotation mechanism of the hinge portion of the wine oxidation prevention device according to an embodiment of the present invention.
7 is a cross-sectional view illustrating a sealing state in which the wine oxidation prevention device according to an embodiment of the present invention is inserted into the wine bottle and blocks contact between the wine and air.
8 is a cross-sectional view showing a modified example of the sealing member of the wine oxidation prevention device according to an embodiment of the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Examples of the present invention are provided to more completely explain the present invention to those of ordinary skill in the art, and the following examples may be modified in various other forms, and the scope of the present invention is as follows It is not limited to an Example. Rather, these examples are provided so that this disclosure will be more thorough and complete, and will fully convey the spirit of the invention to those skilled in the art.

1 is a perspective view of a wine oxidation prevention device 100 according to an embodiment of the present invention coupled to a wine bottle.

Referring to FIG. 1 , the wine oxidation prevention device 100 may be mounted on the inlet portion of the wine bottle 200 by the manipulation unit 50 . The manipulation unit 50 may be in close contact with the bottle inlet of the wine bottle 200 to block the flow of air inside and outside the wine bottle 200 . The manipulation unit 50 may be detachable from the wine bottle 200 . A detailed configuration of the operation unit 50 will be described later.

2A is a perspective view of the wine oxidation prevention apparatus 100 before or after the wine oxidation prevention apparatus 100 is inserted into the wine bottle 200 according to an embodiment of the present invention before sealing. 2B is a perspective view of the wine oxidation prevention apparatus 100 when the wine oxidation prevention apparatus 100 according to an embodiment of the present invention seals the wine bottle 200 .

Referring to FIGS. 2A and 2B , the wine oxidation prevention device 100 may include a sealing member 10 having a sealing member 11 , a supporting member 13 , and a connecting pipe ( 15 in FIG. 4 ). The sealing unit 10 may be inserted into the wine bottle 200 , and may be configured to block contact between the wine and the air in the wine bottle 200 .

Wine oxidation prevention device 100 may include an outer pipe 31 , an inner pipe ( 33 in FIG. 4 ), a fixing part 35 , and a connection part 30 having a hinge part 37 . The connection part 30 may have a pipe shape with one end coupled to the sealing part 10 and extending in the longitudinal direction.

The wine oxidation prevention device 100 may include an operation unit 50 having an outer cap 51 , an intermediate cap 53 , and an inner cap 55 . The manipulation unit 50 is coupled to the other end of the connection unit 30 , and may be configured to be detachably attached to the inlet of the wine bottle 200 .

The inlet of the wine bottle 200 has an inner diameter of about 20 mm. When the sealing part 10 is disposed in the longitudinal direction of the outer pipe 31 of the connection part 30, and the sealing part 10 is bent in a form to surround the outer pipe 31, as will be described later, a narrow wine bottle 200. can be inserted into the inlet of the

The sealing part 10 is coupled to the rotation part 37 of the connection part 30 through the connection pipe (15 in FIG. 4 ), and the sealing part 10 may rotate by the rotation of the rotation part 37 . When the outer cap 51 is rotated, the rotational motion of the outer cap 51 is transmitted to the inner pipe (33 in FIG. 4) of the connection part 30, and the rotating part 37 is rotated according to the rotational movement of the inner pipe 33. As it rotates, the sealing part 10 coupled to the rotating part 37 may rotate. According to the rotation angle of the outer cap 51, the sealing part 10 may be disposed at the position shown in FIG. 2A or FIG. 2B. The rotation mechanism of the sealing part 10 will be described later.

3 is a perspective view of a state in which the sealing part 10 of the wine oxidation prevention device 100 according to an embodiment of the present invention is bent along the circumference of the outer pipe 31 .

When the intermediate cap 53 is lifted upward from the state shown in FIG. 2A , the intermediate cap 53 and the inner cap 55 are separated, and the connecting part 30 and the sealing part 10 are connected to the intermediate cap 53 . You can move upwards accordingly. When the sealing part 10 moves upward, the inner diameter contacts the inner wall surface of the lower end of the inner cap 55, which becomes narrower upward, and the sealing part 10 bends to surround the outer pipe 31. can get

In the state shown in FIG. 3 , since the sealing part 10 is bent to surround the outer pipe 31 , it can be easily inserted into the inlet part of the wine bottle 200 with a narrow inner diameter. In addition, the user does not need to bend the sealing portion 10 by hand, and the sealing portion 10 can be easily inserted into the inlet portion of the wine bottle 200 by lifting the intermediate cap 53 upward. can be transformed into

4 is an exploded perspective view of the wine oxidation prevention device 100 according to an embodiment of the present invention.

Referring to FIG. 4 , the wine oxidation prevention device 100 may include a sealing unit 10 , a connection unit 30 , and an operation unit 50 . The central part of the sealing part 10 may be coupled to one end of the connection part 30 , and the other end of the connection part 30 may be coupled to the manipulation part 50 .

The sealing part 10 may be configured in a disk shape including a bendable material. In addition, the sealing part 10 may be deformed from a disk shape to a shape that can be inserted into the inlet part of the wine bottle 200 .

The sealing part 10 may include a sealing member 11 , a support member 13 , and a connection pipe 15 . The sealing member 11 may be configured in a size and shape in contact with the inner wall surface of the wine bottle 200 when the sealing part 10 is inserted into the wine bottle 200 .

In one embodiment, the sealing member 11 is disk-shaped, and may be configured to be slightly larger than the inner diameter of the portion having the largest inner diameter of the wine bottle (200). Accordingly, the sealing member 11 may block the wine remaining in the wine bottle 200 from contacting oxygen. In one embodiment, the sealing member 11 may include a silicone material.

The support member 13 may include a material that is coupled to a partial surface of the sealing member 11 and supports the sealing member 11 . In addition, the support member 13 may be coupled to one end of the connection part 30 . In one embodiment, the support member 13 may include a polyethylene terephthalate (PET) material.

The connection part 30 may include pipe parts 31 and 33 coupled to the manipulation part 50 and hinge parts 35 and 37 coupled to the sealing part 10 . The pipe parts 31 and 33 may transmit the rotational motion of the manipulation unit 50 to the hinge parts 35 and 37 . The hinge parts 35 and 37 may be configured to change the angle formed by the sealing part 10 and the pipe parts 31 and 33 according to the rotational movement of the pipe parts 31 and 33 .

The pipe parts 31 and 33 may include an outer pipe 31 extending in the longitudinal direction and an inner pipe 33 inserted into the outer pipe 31 and configured to be rotatable within the outer pipe 31 . have. A first unevenness (33a in FIG. 5B ) may be formed on the inner wall surface of the inner pipe 33 . The first concavo-convex 33a may be rotatably engaged with the second concavo-convex of the outer surface of the protrusion 51a formed in the outer cap 51 to be described later.

The hinge parts 35 and 37 may include a fixing part 35 and a rotating part 37 . The fixing part 35 may be configured in a pipe shape coupled to one end of the outer pipe 31 . The fixing part 35 may have a shape in which one end thereof is cut out from a pipe shape. A portion of the rotating part 37 may protrude from the cut shape of the fixing part 35 .

The rotating part 37 is engaged with one end of the inner pipe 33 and may be configured to rotate together with the rotation of the inner pipe 33 .

The rotating unit 37 may include a coupling rotating unit 37a and a rotating shaft converting unit 37b. The coupling rotating portion 37a may be engaged with one end of the inner pipe 33 and configured to rotate within the fixed portion 35 when the inner pipe 33 rotates. In one embodiment, the rotating part 37 may include a synthetic resin material that is harmless to living organisms.

The rotating shaft converting unit 37b may be connected to one end of the coupling rotating unit 37a, and the other end may be coupled to the sealing unit 10 . The rotating shaft converting unit 37b may be configured to change an angle formed by the sealing unit 10 and the pipe units 31 and 33 according to the rotation of the coupled rotating unit 37a. In an embodiment, the rotation shaft converting unit 37b may have a conical shape. The conical bottom surface may be connected to one end of the coupling rotating part 37a and inclined.

The manipulation unit 50 may include an outer cap 51 , an intermediate cap 53 , and an inner cap 55 . The inner cap 55 is hollow and may include a shape in which the diameter increases toward the bottom. The intermediate cap 53 may be detachably coupled to one end of the inner cap 55 and may have a hollow shape. The outer cap 51 is detachably coupled to one end of the intermediate cap 53 and provided with a protrusion configured to be rotatable together with the first unevenness 33a formed on the inner surface of the inner pipe 33 of the connecting portion 30 . can do. The inner cap 55 and the intermediate cap 53 may have a through hole through which the connection part 30 passes.

The support member 13 and the connection pipe 15 of the sealing part 10 may include a first through passage (not shown) through which the wine may flow. In addition, a second through passage (not shown) in which the rotating portion 37 of the connecting portion 30 and the inner pipe communicate with the supporting member 13 of the sealing portion 10 and the first through passage (not shown) of the connecting tube 15 . city) may be included. When the outer cap 51 is separated from the intermediate cap 53 , a fluid such as wine in the wine bottle 200 is discharged to the outside of the wine bottle 200 through the first through passage and the second through passage. can

Figure 5a is a perspective view of the outer cap 51 of the wine antioxidant 100 according to an embodiment of the present invention, Figure 5b is a pipe portion ( 31 and 33) are perspective views.

Referring to FIG. 5A , the outer cap 51 may include a protrusion 51a protruding from the lower surface. The protrusion 51a may have a column shape. Concave-convex may be formed on the side of the column shape of the protrusion 51a.

Referring to FIG. 5B , the inner pipe 33a may include irregularities 33a on its inner surface. The unevenness 33a may be formed in a shape that is engaged with the unevenness of the column shape of the protrusion 51a.

When the protrusion 51a of the outer cap 51 and the inner pipe 33 are engaged with each other, when the outer cap 51 is rotated, the inner pipe 33 may also rotate. Accordingly, the rotational motion of the outer cap 51 may be transmitted to the rotating part 37 by the inner pipe 33 .

6A and 6B are views for explaining the coupling state and rotation mechanism of the hinges 35 and 37 of the wine oxidation prevention apparatus 100 according to an embodiment of the present invention. 6a and 6b, the illustration of the sealing member 11 and the support member 13 is omitted for easy understanding, and only the connecting pipe 15 coupled to the rotating part 37 is shown.

Figure 6a corresponds to the hinge portion 35, 37 of the wine antioxidant 100 shown in Figure 2b, Figure 6b is the hinge portion 35, 37 of the wine antioxidant 100 shown in Figure 2a respond to

Referring to FIG. 6A , the coupling rotating part 37a may rotate about an a-axis. For example, when the outer cap 51 is rotated in the R1 direction, the rotational force is transmitted to the inner pipe 33, so that the coupling rotating part 37a can be rotated together in the R1 direction. When the coupling rotating unit 37a rotates in the R1 direction, the rotating shaft converting unit 37b connected to the coupling rotating unit 37a may rotate in the R2 direction about the b axis. When the coupling rotation part 37a shown in FIG. 6A is rotated 180 degrees, the rotation shaft converting part 37b is also rotated 180 degrees together, and thus the connector 15 may move to the position shown in FIG. 6B .

Referring to FIG. 6B , when the outer cap 51 is rotated in the R3 direction (the opposite direction to R1 ), the rotational force is transmitted to the inner pipe 33 , so that the coupling rotating part 37a can be rotated together in the R3 direction. When the coupling rotating unit 37a rotates in the R3 direction, the rotating shaft converting unit 37b connected to the coupling rotating unit 37a may rotate in the R4 direction about the b axis. When the coupling rotation part 37a shown in FIG. 6b is rotated 180 degrees, the rotation shaft converting part 37b also rotates 180 degrees together, and thus the connection pipe 15 may move to the position shown in FIG. 6a.

In the embodiment of FIGS. 6A and 6B , the hinge parts 35 and 37 are used as means for controlling the movement of the sealing part 10 by the operation part 50, but the technical idea of the present invention is in this embodiment. not limited For example, a method of controlling the movement of the sealing unit 10 by the manipulation unit 50 using a gear such as a worm gear or a bevel gear or a universal joint may be included in the technical idea of the present invention.

7 is a cross-sectional view illustrating a sealing state in which the wine oxidation prevention device 100 according to an embodiment of the present invention is inserted into the wine bottle 200 and blocks contact between the wine and the air.

When the outer cap 51 of the wine oxidation prevention device 100 shown in FIG. 2a is rotated 180 degrees, the wine oxidation prevention device 100 shown in FIG. 2b may be in a state. In this state, the edge of the sealing member 11 is in close contact with the inner wall surface of the wine bottle 200 , so that the wine bottle 200 can be sealed. In addition, when the sealing member 11 is pushed down to the position of the residual wine, residual oxygen does not exist in the upper part of the residual wine, and accordingly, the contact between the residual wine and the air in the wine bottle 200 can be blocked. .

8 is a cross-sectional view showing a modified example of the sealing member 11 of the wine oxidation prevention apparatus 100 according to an embodiment of the present invention.

Referring to FIG. 8 , the sealing member 11 includes a first sealing member 11a having a first diameter, a second sealing member 11b having a second diameter, and a third sealing member 11c having a third diameter. may include. The support member 13 may be coupled to the lower surface of the sealing member 11 . The diameter of the support member 13 may be configured to be smaller than the diameter of the sealing member 11 .

Here, the first diameter may be the smallest, the third diameter may be the largest, and the second diameter may have a size greater than or equal to the first diameter and less than or equal to the third diameter. The first sealing member, the second sealing member, and the third sealing member may be configured such that edges are not coupled to each other and are separable from each other. According to this configuration, when the inner diameter of the wine bottle 200 is small, the sealing effect can be obtained by the first sealing member 11a having a small diameter. 3 The sealing effect can be obtained by the sealing member 11c, and when the inner diameter of the wine bottle 200 is medium, the sealing effect can be acquired by the 2nd sealing member 11b with an intermediate diameter. Accordingly, a reliable sealing effect can be obtained for the wine bottles 200 having various inner diameters.

As described above, the wine oxidation prevention device 100 according to an embodiment of the present invention is insertable into the wine bottle 200, and the sealing unit 10 is configured to block the contact between the wine and air in the wine bottle. ), one end is coupled to the sealing part 10, the connection part 20 having a pipe shape extending in the longitudinal direction, and the other end of the connection part 20, an operation unit for controlling the movement of the sealing part 10 By including, it is possible to preserve the wine remaining in the wine bottle from oxidation for a long time with low cost and few parts, without using a gas to release oxygen, and without using an additional device such as a vacuum pump.

As described above, although the embodiments have been described with reference to the examples and drawings, various modifications and variations are possible from the above description by those of ordinary skill in the art. For example, components such as the described device may be combined or combined in a form different from the described method, or replaced or substituted by other components or equivalents. Therefore, other implementations, other embodiments, and equivalents to the claims are also within the scope of the invention described in the following claims.

10: sealing part 11: sealing member
13: support member 15: connector
30: connection part 31: outer pipe
33: inner pipe 33a: inner pipe uneven portion
35: fixed part 37: rotating part
37a: coupled rotation unit 37b: rotation shaft conversion unit
50: control unit 51: outer cap
51a: outer cap protrusion 53: middle cap
55: inner cap

Claims (11)

As a wine antioxidant for preventing oxidation of wine,
a sealing unit insertable into the wine bottle and configured to block contact between the wine and air in the wine bottle;
a connection part having one end coupled to the sealing part and extending in the longitudinal direction;
A manipulation unit coupled to the other end of the connection unit and configured to control the movement of the sealing unit
including,
The connection part includes a hinge structure,
Wine oxidation prevention device configured to change the arrangement of the sealing portion relative to the connection portion by the hinge structure while maintaining the shape of the sealing portion according to the operation of the operation portion. According to claim 1,
The sealing part is configured in a disc shape including a bendable material,
The wine oxidation prevention device that the sealing portion is deformed from a disk shape to a shape that can be inserted into the inlet portion of the wine bottle. According to claim 1,
The sealing unit includes a sealing member and a support member,
The sealing member is configured to have a size and shape in contact with the inner wall surface of the wine bottle when the sealing portion is inserted into the wine bottle,
The support member is in contact with one surface of the sealing member, and includes a material for supporting the sealing member, and is coupled to one end of the connecting portion. According to claim 1,
The connection part includes a pipe part coupled to the manipulation part and a hinge part coupled to the sealing part,
The pipe part transmits the rotational motion of the operation part to the hinge part,
Wine oxidation prevention device configured to change the angle formed by the sealing part and the pipe part according to the rotational movement of the hinge part of the pipe part. 5. The method of claim 4,
The pipe portion includes an outer pipe extending in a longitudinal direction and an inner pipe inserted into the outer pipe and configured to be rotatable in the outer pipe,
A first unevenness is formed on the inner wall surface of the inner pipe,
The first concavo-convex is engaged with the second concavo-convex of the outer surface of the protrusion formed in the manipulation unit to be rotatable together. 6. The method of claim 5,
The hinge part includes a fixed part and a rotating part,
The fixing part is configured in a pipe shape coupled to one end of the outer pipe, and the rotating part is engaged with one end of the inner pipe and configured to rotate together according to the rotation of the inner pipe. 7. The method of claim 6,
The rotating unit includes a coupling rotating unit and a rotating shaft converting unit,
The engaging rotating part is engaged with one end of the inner pipe and is configured to rotate within the fixed part when the inner pipe rotates,
The rotation shaft converting part is connected to one end of the coupling rotating part, the other end is coupled to the sealing part, and wine oxidation prevention configured to change the angle made by the sealing part and the pipe part according to the rotation of the coupling rotating part Device. 8. The method of claim 7,
The rotation shaft conversion unit has a conical shape, and the bottom surface of the conical shape is connected to one end of the coupling rotating unit and an inclination to prevent wine oxidation. According to claim 1,
The manipulation unit includes an outer cap, an intermediate cap and an inner cap,
The inner cap is hollow and has a shape that increases in diameter toward the bottom,
The intermediate cap is detachably coupled to one end of the inner cap and has a hollow shape,
The outer cap has a protrusion configured to be detachably coupled to one end of the intermediate cap and to be rotatable together with the first unevenness formed in the connecting portion,
The inner cap and the intermediate cap are wine oxidation prevention device having a through hole through which the connection part passes. According to claim 1,
The sealing portion has a first through passage passing through the central portion,
The connecting portion includes a second through passage passing through the central portion and communicating with the first through passage,
The wine oxidation prevention device for discharging the fluid in the wine bottle to the outside of the wine bottle through the first through passage and the second through passage. According to claim 1,
Wine oxidation prevention device in which the arrangement of the sealing part with respect to the connection part is changed in an angular range including 0 degrees to 90 degrees by the hinge structure.

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