TWI597210B - Bottle stopper - Google Patents

Description

Cork

The present invention relates to a stopper, and more particularly to a stopper that can be mounted at the opening of the container to control its opening and closing.

At present, conventional caps combined with openings in various containers (such as wine bottles, soy sauce bottles, soda bottles, etc.) can be broadly classified into "one-time use" and "reusable".

The cap that can only be used once is sealed in the opening of the container after filling the container in the process. After opening, the cap is deformed or damaged, and the opening of the container can no longer be sealed. Therefore, it is necessary to use the liquid in the container once or cover it with a plastic wrap or the like, but the sealing effect is not satisfactory, so that the liquid in the container is easily deteriorated, or when the container is overturned The problem of liquid seepage occurs, and the convenience of use is extremely poor.

The reusable bottle cap is internally threaded, and is provided with an external thread on the outer peripheral surface adjacent to the opening of the container, so that the user can unscrew the bottle cap to take the liquid in the container, and after taking the liquid, The cap is screwed to reclose the opening of the container. Accordingly, the user does not need to use the liquid in the container at one time, and the liquid seepage does not occur when the container is knocked over, but the bottle cap is unscrewed and removed every time the product is used. After that, it is necessary to re-cover and tighten it, and it is still a little troublesome in use; and the bottle cap may fall and be contaminated or even lost, so the convenience of use is still necessary to be improved.

In order to solve the above problems, the present invention provides a stopper that can be assembled in a container. The opening is not easy to be lost, and the liquid in the container can be poured out by pulling up when in use, and the container can be sealed by pressing down after use.

The following directional terms are used in the present invention, such as "before", "after", "left", "right", "upper (top)", "lower", "inside", "outside", The singularity of the present invention is intended to be illustrative only and not to limit the invention.

A stopper of the present invention comprises: a fixing member having a stopper portion and a cup portion, the cup portion being connected to a bottom end of the stopper portion, wherein the stopper portion is provided with a perforation to communicate the same a cup portion having at least one communication port; and a manipulation member having a through tube and a cap connected to a surface of the cap, the through tube being provided with a first passage The cap is provided with a second passage, the second passage is connected to the first passage, the cap is disposed at a top end of the bottle portion, the through tube extends through the through hole, and is coupled by the cap to control the first passage A passage is connected or disconnected from the communication port.

Accordingly, in the stopper of the present invention, the fixing member can be assembled at the opening of the container, and the operating member can be moved relative to the fixing member without being separated, and the operating member can be inverted by pulling up the operating member. The liquid in the container can be returned to the container by pressing down the handle after use, which is easy to operate and convenient to use. In addition, the entire stopper is not required to be taken off, and the stopper is not easily dropped and contaminated or even lost, so as to ensure that the stopper of the present invention can be sealed at the proper time before the liquid in the container is used. A container that reduces the chance of liquid deterioration in the container.

The plug portion has a connected bottom plate and a ring wall, and the through hole is disposed on the bottom plate, the fixing member is provided with a fixing portion connecting the ring wall, and the maximum outer diameter of the fixing portion is larger than the ring wall The outer diameter; has the effect of avoiding that the bottle portion is too deep.

Wherein, the outer diameter of the through tube is equal to or slightly larger than the diameter of the perforation, and the stopper portion is provided with a guiding portion that connects the circumference of the perforation and is located inside the annular wall, the through tube The inner wall of the guiding portion and the peripheral edge of the perforating are closely adhered; and the effect of improving the smoothness and stability of the operating member relative to the fixing member is improved.

Wherein, the cup portion has a connected plate and a side wall, the side wall is connected to the bottom plate of the bottle portion, the communication port is disposed on the side wall, and the first passage is arranged along the axial direction of the pipe Up to the free end of the pipe, the cap interlocks the pipe to abut the sealing plate from the free end to close the first passage; thereby controlling the communication state between the operating member and the communication port by a simple structure, thereby improving manufacturing convenience Sex and other effects.

Wherein, the outer diameter of the side wall is smaller than the outer diameter of the annular wall, so that the side wall does not adhere to the inner wall of the container and is shielded to the communication port, thereby improving the smoothness of liquid circulation and the like.

Wherein, the communication port extends to the sealing plate; and has the effects of improving the smoothness of the liquid circulation, so that the liquid can smoothly flow out of the container, and after the container is placed back, the liquid is not easily accumulated on the bottle stopper.

The cup portion is provided with a protrusion connected to the surface of the sealing plate facing the bottom plate, and the through tube of the operating member is sleeved on the outer circumference of the protruding column; and has the effect of improving the sealing property of the container.

Wherein, the through tube protrudes from the outer peripheral surface adjacent to the free end thereof with at least one barb portion, and the barb portion is located in the corresponding communication port; the user can be prevented from excessively pulling the cap The fixing member is separated, and has the effects of improving the convenience of operation.

Wherein, the second passage of the cap penetrates to the lateral circumferential surface of the cap; has the effects of avoiding liquid splashing when pouring liquid, and reducing accumulation of foreign matter such as dust in the second passage.

Wherein, the cap is provided with a skirt portion connecting the outer peripheral surface of the cap and the surface of the cap for connecting the pipe, the fixing member is covered by the skirt; and the lifting stopper is coupled to the container The appearance is simple and beautiful.

In addition, the present invention also provides another bottle stopper, which is applicable to a container provided with an external thread, the bottle stopper comprising: a fixing member having a fixing portion, a cup portion and a lock bottle portion. The cup portion is connected to a surface of the urging portion, the dam portion is provided with a through hole for communicating with the cup portion, the cup portion is provided with at least one communication port, and the lock bottle portion is pressed against the other surface of the damper portion The lock bottle portion is provided with a through hole and an internal thread portion; and a control member having a through tube and a cap connected to a surface of the cap, the through tube is provided with a first a passage, the cap is provided with a second passage, the second passage is connected to the first passage, the cap is disposed at a top end of the lock bottle portion, and the through pipe penetrates through the through hole and the through hole, and is received by the cap The cover is interlocked to control the first passage to communicate with or not communicate with the communication port.

Wherein, the cup portion has a connected plate and a side wall, the cup portion is connected to the yoke portion by the side wall, the communication port is disposed on the side wall, and the first passage is disposed along the axial direction of the pipe And extending to the free end of the pipe, the cap interlocking the pipe to abut the sealing plate from the free end to close the first passage; thereby controlling the communication state of the operating member and the communication port by a simple structure, and having the lifting Manufacturing convenience and other effects.

Wherein, the communication port extends to the sealing plate; and has the effects of improving the smoothness of the liquid circulation, so that the liquid can smoothly flow out of the container, and after the container is placed back, the liquid is not easily accumulated on the bottle stopper.

Wherein, the cup portion is provided with a protruding post, the protruding post is connected to the surface of the sealing plate facing the yoke portion, the through pipe of the operating member is sleeved on the outer circumference of the protruding post; and the sealing property of the container is improved .

Wherein the outer diameter of the through pipe is equal to or slightly larger than the diameter of the perforation, and the through pipe has at least one barb portion protruding from the outer peripheral surface adjacent to the free end thereof, and the barb portion is located in the corresponding communication port; The utility model can prevent the user from excessively pulling the cap to separate the entire operating member from the fixing member, and has the effects of improving the operation convenience and the like.

Wherein, the second passage of the cap penetrates to the lateral circumferential surface of the cap; has the effects of avoiding liquid splashing when pouring liquid, and reducing accumulation of foreign matter such as dust in the second passage.

Wherein the lock bottle portion has a top plate and a ring wall connected thereto, the through hole penetrating the through hole The top plate is disposed on the inner ring surface of the ring wall, and the lock bottle portion is pressed against the damper portion by the top plate; and has the effect of improving the stability of the dam portion abutting the opening edge of the container.

The diameter of the through hole is larger than the outer diameter of the through hole; thereby ensuring that the lock bottle portion does not interfere with the connection state between the through tube and the abutting portion, and has the effect of improving the sealing property of the container.

1‧‧‧Fixed parts

11‧‧• Bottle Bottle Department

111‧‧‧Perforation

112‧‧‧floor

113‧‧‧Circle wall

114‧‧‧Guide

12‧‧‧ Cup

121‧‧‧Connected

122‧‧‧Closed

123‧‧‧Side wall

124‧‧‧Bump

13‧‧‧Relief Department

2‧‧‧Controls

21‧‧‧Wearing

211‧‧‧First Passage

212‧‧‧ Barb

22‧‧‧ Cap

221‧‧‧second channel

222‧‧‧ skirt

3‧‧‧Fixed parts

31‧‧‧Relief Department

311‧‧‧Perforation

32‧‧‧ Cup

321‧‧‧Connected

322‧‧‧Closed

323‧‧‧Side wall

324‧‧‧Bump

33‧‧‧Lock Bottle Department

331‧‧‧ top board

332‧‧‧ Ring wall

333‧‧‧through hole

334‧‧‧Threaded Department

4‧‧‧Control parts

41‧‧‧Wearing

411‧‧‧First Passage

412‧‧‧ Barb

42‧‧‧Cap

421‧‧‧second channel

C1, C2‧‧‧ containers

S‧‧‧ external thread

Fig. 1 is a perspective exploded perspective view showing a first embodiment of the present invention.

Fig. 2 is a side sectional view showing the first embodiment of the present invention.

Fig. 3 is a view showing the operation of pulling up the manipulation member in the first embodiment of the present invention.

Figure 4 is a schematic view showing the operation of pouring out the liquid in the container in the first embodiment of the present invention.

Fig. 5 is a perspective exploded perspective view showing a second embodiment of the present invention.

Fig. 6 is a side sectional structural view showing a second embodiment of the present invention.

Figure 7 is a schematic view showing the operation of pouring out the liquid in the container in the second embodiment of the present invention.

The above and other objects, features and advantages of the present invention will become more <RTIgt; In a first embodiment of the stopper of the present invention, the stopper comprises a fixing member 1 and a manipulation member 2, and the fixing member 1 can be assembled and fixed at an opening of a container C1, and the control member 2 can be partially extended. The fixing member 1 is inserted into the fixing member 1 to control the communication state of the container C1 with the outside.

The fixing member 1 has a bottle portion 11 and a cup portion 12, and the fixing member 1 is screwed to the inner wall surface of the container C1 by the bottle portion 11, and the cup portion 12 is connected to the bottle portion. The bottom end of the plug portion 11 is provided with a through hole 111 for communicating with the cup portion 12. The cup portion 12 is provided with at least one communication port 121, and the communication port 121 communicates with the inside and outside of the cup portion 12.

In more detail, please refer to the first and second figures. The bottle portion 11 has a bottom plate 112 and a ring wall 113. The through hole 111 is disposed on the bottom plate 112 for the control member 2 to extend. The outer diameter of the annular wall 113 is slightly larger than the inner diameter of the opening of the container C1. Therefore, when the stopper portion 11 is inserted into the opening of the container C1, the annular wall 113 can be squeezed and slightly deformed, so that the whole The fixing member 1 can be securely assembled and fixed at the opening of the container C1.

The fastening member 1 can also be provided with a fastening portion 13 . In the embodiment, the fastening portion 13 can be integrally connected with the ring wall 113 of the bottle portion 11 , and the maximum outer diameter of the fastening portion 13 is greater than The outer diameter of the annular wall 113 (i.e., greater than the inner diameter at the opening of the container C1). Thus, when the stopper portion 11 is inserted into the opening of the container C1 to a predetermined depth, the abutting portion 13 can abut against the opening end edge of the container C1, so as to prevent the stopper portion 11 from being inserted too deeply. It is not possible to securely lock at the predetermined place, and to prevent the entire fixing member 1 from falling into the container C1. It is worth mentioning that the maximum outer diameter of the fixing portion 13 may be set to be smaller than the outer diameter of the opening of the container C1, so that the fixing member 1 protrudes from the opening edge of the container C1. It is covered by the manipulation member 2, thereby improving the simplicity and aesthetics of the cork of the present invention after being coupled to the container C1.

The bottle portion 11 of the embodiment may be further provided with a guiding portion 114. The guiding portion 114 is connected to the periphery of the through hole 111 and located inside the ring wall 113. The guiding portion 114 is spaced apart from the ring wall 113. To provide the deformation space required for both to be squeezed. The guiding portion 114 can be, for example, an annular tube body or a plurality of annularly arranged sheets, so as to guide the manipulation member 2 to accurately penetrate the through hole 111. In addition, the contact area of the operating member 2 and the bottle portion 11 can be increased by the guiding portion 114, thereby improving the smoothness and stability of the operating member 2 when moving relative to the fixing member 1 (described in detail later). .

The cup portion 12 has a connected plate 122 and a side wall 123. The cup portion 12 can be connected to the bottom plate 112 of the bottle portion 11 by the side wall 123, so that the manipulation member 2 penetrates the perforation of the bottle portion 11. After 111, the space can be extended into the space enclosed by the side wall 123 until the operating member 2 abuts the sealing plate 122.

In this embodiment, the communication port 121 can be selectively disposed on the side wall 123 to control the communication state between the operating member 2 and the communication port 121 by a relatively simple structure; the outer diameter of the side wall 123 is preferably smaller than the The outer diameter of the ring wall 113 prevents the side wall 123 from being attached to the inner wall of the container C1 and is shielded from the communication port 121, thereby ensuring smooth flow of the liquid.

Moreover, the communication port 121 preferably extends to the sealing plate 122, so that the contact between the side wall 123 and the sealing plate 122 does not form a blocking structure, so when the container C1 is dumped, the liquid in the container C1 The container C1 can flow out more smoothly through the manipulation member 2, and after the container C1 is placed back, the liquid can smoothly flow back into the container C1 without being easily accumulated on the stopper. The number of the communication ports 121 can be selected to be several to increase the flow rate and smoothness of the liquid flowing into the control member 2. In addition, the cup portion 12 can also be provided with a stud 124 connected to the surface of the sealing plate 122 facing the bottom plate 112 for the control member 2 to be fitted.

The operating member 2 has a through tube 21 and a cap 22 connected to a surface of the cap 22. The through tube 21 is provided with a first passage 211, and the cap 22 is provided with a second passage 221 The second channel 221 is connected to the first channel 211. The cap 22 is disposed at the top end of the bottle portion 11 for the user to pull or press. The through tube 21 extends through the through hole 111 and is coupled with the cap 22 to be generated relative to the fixing member 1. Displacement, in order to control the first passage 211 to communicate with the communication port 121, the liquid of the container C1 can be poured out, or the first passage 211 and the communication port 121 can be disconnected and the liquid of the container C1 cannot be poured out.

In detail, the outer diameter of the through-tube 21 is approximately equal to or slightly larger than the diameter of the through-hole 111, so that the through-tube 21 can maintain a close contact with the circumference of the through-hole 111; the guiding portion 114 is provided in the bottle portion 11. In the embodiment, the through tube 21 can be in close contact with the inner wall of the guiding portion 114 at the same time.

In addition, in this embodiment, the first passage 211 may be disposed along the axial direction of the through pipe 21, and the first passage 211 is penetrated to the free end of the through pipe 21; accordingly, pressing the cap 22 may link the same The passage of the tube 21 is increased, so that the portion of the tube 21 extending into the cup portion 12 is increased until the free end of the tube 21 abuts the sealing plate 122 of the cup portion 12, and the first passage 211 can be The sealing plate 122 is closed, so that the first passage 211 is in a state incapable of communicating with the communication port 121. In the embodiment provided with the stud 124, when the free end of the through-tube 21 abuts the sealing plate 122, the through-tube 21 can fit over the outer circumference of the stud 124 to lift the first The effect of channel 211.

The through-tube 21 may have at least one barb portion 212 protruding from an outer peripheral surface adjacent to the free end thereof, and the barb portion 212 may extend into the corresponding communication port 121 and elastically recover after passing through the through hole 111. In this way, after the cap 22 is pulled to interlock the upward movement of the through-tube 21 by a predetermined distance, the upper end surface of the communication port 121 or the sealing plate 122 of the cup portion 12 can be abutted by the barb portion 212 (eg, the third As shown in the figure, it is difficult for the cap 22 to be pulled upward again to prevent the user from excessively pulling the cap 22 to separate the entire operating member 2 from the fixing member 1.

Alternatively, the second passage 221 of the cap 22 may be inserted through the lateral circumferential surface of the cap 22 such that the second passage 221 is not disposed along the axial direction of the through-tube 21; thus, not only the dumping can be avoided The liquid causes splashing of the liquid, and the chance of foreign matter such as dust accumulating in the second passage 221 is also reduced.

Moreover, the cap 22 may further be provided with a skirt portion 222 which is connected to the outer peripheral surface of the cap 22, and a surface of the cap 22 for connecting the tube 21, whereby the skirt portion 222 covers the solid portion. The joint 1 protrudes from the open end edge of the container C1 to achieve the aforementioned simplicity and aesthetics of the cork of the present invention after being coupled to the container C1.

According to the foregoing structure, referring to FIG. 3, when the liquid in the container C1 is to be taken, the user can pull the cap 22 of the operating member 2, and the connecting pipe 21 is displaced upward to make the pipe 21 free. The end portion is separated from the sealing plate 122 and the protruding post 124, so that the communication port 121 of the fixing member 1 can communicate with the first passage 211 and the second passage 221 of the operating member 2.

As shown in FIG. 4, the user can pour the liquid in the container C1 through the communication port 121, the first passage 211 and the second passage 221 to flow out of the container C1. After use, as long as the cap 22 of the manipulation member 2 is pressed, it can be linked The pipe 21 returns to the initial position as shown in FIG. 2, and the first passage 211 and the communication port 121 are again disconnected to block the inside and the outside of the container C1, and even if the container C1 is knocked over, The liquid inside it still does not seep out.

Referring to FIG. 5, which is a second embodiment of the stopper of the present invention, the second embodiment of the present invention is substantially the same as the first embodiment described above, and the main difference is that the stopper of the second embodiment of the present invention is applicable. The container C2 provided with the external thread S; the bottle stopper of the embodiment comprises a fixing member 3 and a control member 4, and the structure of the operating member 4 is substantially the same as that of the operating member 2, so the following is only for the solid The connector 3 is described in detail.

Referring to FIGS. 5 and 6, the fastening member 3 has a fastening portion 31, a cup portion 32 and a lock bottle portion 33. The fastening portion 31 is provided with a through hole 311 whose diameter is approximately equal to or slightly smaller. It is smaller than the outer diameter of the through tube 41. The cup portion 32 has a structure substantially the same as that of the cup portion 12 of the fastening member 1. However, the cup portion 32 of the embodiment is connected to a surface of the abutting portion 31 by the side wall 323, so that the tube 41 is provided. After passing through the through hole 311 of the fixing portion 31, it can directly extend into the space surrounded by the side wall 323. The lock bottle portion 33 has a top plate 331 and a ring wall 332 connected thereto. A through hole 333 extends through the top plate 331 , and an internal thread portion 334 is disposed on the inner ring surface of the ring wall 332 .

Accordingly, the securing portion 31 can abut against the open end edge of the container C2, and the cup portion 32 can be inserted into the container C2. The lock bottle portion 33 can be pressed against the abutting portion by the top plate 331. 31, and the internal thread portion 334 is coupled to the external thread S of the container C2. In addition, the operating member 4 extends through the through hole 333 of the lock bottle portion 33 and the through hole 311 of the fixing portion 31 to extend into the cup portion 32, and can be interlocked by the cap 42 The fixing member 3 generates displacement to control the first passage 411 to communicate with or not communicate with the communication port 321 .

The diameter of the through hole 333 is preferably larger than the outer diameter of the through hole 41. After the control member 4 is assembled and positioned with the fixing member 3, the through hole 41 does not touch the periphery of the through hole 333, so as to avoid The lock bottle portion 33 interferes with the connection state between the through tube 41 and the abutting portion 31, causing a gap between the through tube 41 and the periphery of the through hole 311 of the abutting portion 31, thereby affecting the closing of the container C2. Effect.

According to the foregoing structure, referring to FIG. 7, when the liquid in the container C2 is to be taken, the user can pull the cap 42 of the operating member 4, and interlock the through-tube 41 so that the free end thereof is separated from the sealing plate 322 and The protruding post 324 allows the communication port 321 of the fixing member 3 to communicate with the first passage 411 and the second passage 421 of the operating member 4. Accordingly, when the container C2 is poured, the liquid in the container C2 can be sequentially flowed out through the communication port 321, the first passage 411, and the second passage 421. After use, as long as the cap 42 of the operating member 4 is pressed, the through-tube 41 can be interlocked to return to the initial position as shown in FIG. 6, and the first passage 411 and the communication port 321 are again prevented from communicating with each other. The inside of the container C2 is blocked from the outside.

In summary, the stopper of the present invention can be assembled at the opening of the container, and the operating member can be moved relative to the fixing member without being separated, and the operating member can be pulled up when used. The liquid in the container can be poured out, and the container can be restored by pressing the control member downward after use, which is easy to operate and convenient to use. In addition, the entire stopper is not required to be taken off, and the stopper is not easily dropped and contaminated or even lost, so as to ensure that the stopper of the present invention can be sealed at the proper time before the liquid in the container is used. A container that reduces the chance of liquid deterioration in the container.

While the invention has been described in connection with the preferred embodiments described above, it is not intended to limit the scope of the invention. The technical scope of the invention is protected, and therefore the scope of the invention is defined by the scope of the appended claims.

1‧‧‧Fixed parts

11‧‧• Bottle Bottle Department

111‧‧‧Perforation

112‧‧‧floor

113‧‧‧Circle wall

114‧‧‧Guide

12‧‧‧ Cup

121‧‧‧Connected

122‧‧‧Closed

123‧‧‧Side wall

124‧‧‧Bump

13‧‧‧Relief Department

2‧‧‧Controls

21‧‧‧Wearing

211‧‧‧First Passage

212‧‧‧ Barb

22‧‧‧ Cap

221‧‧‧second channel

222‧‧‧ skirt

C1‧‧‧ container

Claims (18)

A stopper comprises: a fixing member having a bottle portion and a cup portion, the cup portion being connected to a bottom end of the bottle portion, the bottle portion being provided with a perforation to communicate the cup portion, The cup portion is provided with at least one communication port; and a control member having a through tube and a cap connected to a surface of the cap, the through tube being provided with a first passage, the cap a second passage is provided, the second passage is connected to the first passage, the cap is disposed at a top end of the bottle portion, the through tube extends through the through hole, and is coupled by the cap to control the first passage and The communication port is connected or not. The cork according to claim 1, wherein the bottle portion has a bottom plate and a ring wall, and the through hole is disposed on the bottom plate, and the fixing member is provided with a fixing portion connecting the ring wall. The maximum outer diameter of the abutting portion is greater than the outer diameter of the annular wall. The cork according to claim 2, wherein the outer diameter of the through tube is equal to or slightly larger than the diameter of the perforation, and the stopper portion is provided with a guiding portion that connects the periphery of the perforation And located inside the ring wall, the through pipe is closely connected to the inner wall of the guiding portion and the peripheral edge of the perforation. The cork according to claim 2, wherein the cup portion has a connected plate and a side wall, the side wall is connected to the bottom plate of the bottle portion, and the communication port is disposed on the side wall, The first passage is disposed along the axial direction of the through pipe and penetrates to the free end of the through pipe, and the cap is coupled to the through pipe to abut the sealing plate from the free end to close the first passage. The cork of claim 4, wherein the outer wall of the side wall is smaller than the outer diameter of the ring wall. The stopper of claim 4, wherein the communication port extends to the sealing plate. The cork of claim 4, wherein the cup portion is provided with a stud, the stud is connected to the surface of the sealing plate facing the bottom plate, and the through tube of the operating member is sleeved on the protruding post Outer week. The stopper according to claim 4, wherein the insertion tube has at least one barb portion protruding in an outer peripheral surface adjacent to the free end thereof, the barb portion being located in the corresponding communication port. A stopper according to any one of claims 1 to 8, wherein the second passage of the cap penetrates to a lateral circumferential surface of the cap. The cork according to any one of claims 1 to 8, wherein the cap is provided with a skirt connecting the outer peripheral surface of the cap and the surface of the cap for the connecting tube The fastening member is covered by the skirt. A stopper comprises: a fixing member having a fixing portion, a cup portion and a lock bottle portion, the cup portion being connected to a surface of the fixing portion, wherein the fixing portion is provided with a perforation Connecting the cup portion, the cup portion is provided with at least one communication port, the lock bottle portion is pressed against the other surface of the damper portion, the lock bottle portion is provided with a through hole and an internal thread portion; and a control member The operating member has a through tube and a cap connected to a surface of the cap, the through tube is provided with a first passage, the cap is provided with a second passage, and the second passage communicates with the first passage The cap is disposed at a top end of the lock bottle portion, and the through pipe penetrates through the through hole and the through hole, and is coupled by the cap to control the first passage to communicate with or not communicate with the communication port. The cork according to claim 11, wherein the cup portion has a connected plate and a side wall, and the cup portion is connected to the dam portion by the side wall, and the communication port is disposed at the side wall The first passage is disposed along the axial direction of the through pipe and penetrates to the free end of the through pipe, and the cap is coupled to the through pipe to abut the sealing plate from the free end to close the first passage. The stopper of claim 12, wherein the communication port extends to the sealing plate. The cork according to claim 12, wherein the cup portion is provided with a stud, the stud is connected to the surface of the sealing plate facing the yoke, and the wearing tube of the operating member is sleeved on the convex portion. The outer circumference of the column. The cork according to claim 12, wherein the outer diameter of the through tube is equal to or slightly larger than the diameter of the perforation, and the through tube has at least one inverted surface at an outer peripheral surface adjacent to the free end thereof. a hook portion located in the corresponding communication port. The stopper according to any one of claims 11 to 15, wherein the second passage of the cap penetrates to a lateral circumferential surface of the cap. The cork according to any one of claims 11 to 15, wherein the lock bottle portion has a top plate and a ring wall connected thereto, the through hole penetrating the top plate, and the internal thread portion is disposed on the ring wall The inner ring surface is pressed by the top plate by the top plate. The stopper according to any one of claims 11 to 15, wherein the through hole has a diameter larger than an outer diameter of the through tube.