JP2014162518A - Plug body of beverage container, and beverage container - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a plug body of a beverage container in which an inner plug portion is certainly attached to an outer plug portion, and a beverage container equipped with the plug body.SOLUTION: A plug body S is composed of an inner plug portion 4 for blocking an upper opening portion of a container body, and an outer plug portion 5 for covering a tap portion of the container body. When an attaching insertion portion 7 provided at the inner plug portion 4 is inserted in an attaching hole portion 8 provided at the outer plug portion 5, a sliding portion 9 sliding to the attaching insertion portion 7 is provided at the attaching hole portion 8, and a falling-in portion 10 in which the sliding portion 9 falls and slides is provided at the attaching insertion portion 7. When the sliding portion 9 falls and slides into the falling-in portion 10, the inner plug portion 4 is attached to the outer plug portion 5. The inner plug portion 4 is provided with a sticking portion 11 which sticks and abuts on a part near a hole edge of the attaching portion 8 when the sliding portion 9 falls and slides into the falling-in portion 10.

Description

  The present invention relates to a stopper for a beverage container such as a water bottle and a beverage container.

  In a beverage container such as a water bottle, a stopper having a liquid injection part such as a spout part or a drinking part is attached to the upper opening of the container body.

  Further, a recent plug body includes an outer plug portion attached to the upper opening portion of the container body and an inner plug portion which is inserted into the upper opening portion of the container body and seals the upper opening portion. On the other hand, an inner plug portion is provided so as to be detachable and separable, and by removing the inner plug portion from the outer plug portion, it is possible to perform cleaning and care up to the back of the plug body.

  In addition, in this type of separable plug body, for example, a ring-shaped packing is provided around the outer periphery of the inner plug portion, and when this inner plug portion is attached to the outer plug portion, the inner plug is inserted by press fitting of the packing. A sealing structure is provided in which the gap between the inner plug portion and the outer plug portion is water-stopped by the packing to prevent leakage of water (see, for example, Patent Document 1).

Japanese Patent No. 3904899

  As in Patent Document 1, the structure in which the inner plug portion and the outer plug portion are attached by press-fitting of the packing is difficult to check whether the inner plug portion is firmly attached to the outer plug portion. There is a concern of using it as it is and causing beverage leakage.

  The present invention relates to an improvement of a plug body of such a separable beverage container, the beverage container plug body in which the inner plug portion is securely attached to the outer plug portion, and a beverage comprising the plug body A container is provided.

  The gist of the present invention will be described with reference to the accompanying drawings.

  A beverage container plug S that can be detachably attached to the upper opening 2 of the container main body 1 having the drinking opening 3 in the upper opening 2, wherein the plug S is an upper portion of the container main body 1. An inner plug portion 4 that closes the upper opening portion 2 by being attached to the opening portion 2 in an inserted state, and a mouthpiece portion 3 of the container body 1 that is detachably provided with respect to the inner plug portion 4. And a mounting hole portion 8 in which a mounting insertion portion 7 projects from the inner plug portion 4 or the outer plug portion 5 and can be removably inserted. Is provided in the outer plug portion 5 or the inner plug portion 4, and the inner plug portion 4 can be attached to the outer plug portion 5 by inserting the attachment insertion portion 7 into the attachment hole portion 8. When the portion 7 is inserted into the mounting hole 8, the sliding portion 9 that slides relative to the mounting insertion portion 7 or the mounting hole 8 is removed. The sliding portion 9 is provided in the hole 8 or the mounting insertion portion 7, and the sliding portion 9 is provided in the mounting insertion portion 7 or the mounting hole portion 8. The inner plug portion 4 is mounted and held on the outer plug portion 5 by sliding down into the sliding portion 10, and when the sliding portion 9 falls into and slides into the falling portion 10, A close contact portion 11 that is in close contact with the hole edge or in the vicinity of the hole edge of the attachment hole portion 8 is provided in the inner plug portion 4 or the outer plug portion 5, and the close contact portion 11 is a hole edge or attachment hole portion of the attachment hole portion 8. In this case, the attachment hole 8 is hermetically sealed by being in close contact with the vicinity of the hole edge of the beverage 8.

  In addition, the contact portion 11 that is in close contact with the hole edge of the attachment hole portion 8 or in the vicinity of the hole edge of the attachment hole portion 8 in the middle of the depression slide where the slide portion 9 is about to fall into the depression portion 10 is provided. Provided in the inner plug portion 4 or the outer plug portion 5, the contact hole 11 is in close contact with the edge of the attachment hole 8 or in the vicinity of the hole edge of the attachment hole 8, thereby sealing the attachment hole 8. It is set as the structure, It concerns on the stopper of the container for drinks of Claim 1 characterized by the above-mentioned.

  Further, the mounting hole portion 8 or the mounting insertion portion 7 is provided with a pressure contact projection 9 that presses against the mounting insertion portion 7 or the mounting hole portion 8, and the pressure contact projection 9 is attached to the mounting insertion portion 7 or the mounting hole portion. The sliding portion 9 is slidably pressed against the sliding portion 8, and the stepped surface 10 on which the sliding portion 9 is pressed and slid when the mounting insertion portion 7 is inserted into the mounting hole 8 is the mounting insertion portion 7. Alternatively, the stepped surface 10 is provided in the mounting hole 8 and the stepped surface 10 is used as the depressed portion 10 that generates a sliding action when the sliding portion 9 slides against the pressure, and the stepped surface 10 as the depressed portion 10 is formed. Due to the sliding action of the sliding portion 9, the mounting insertion portion 7 is inserted deeply into the mounting hole portion 8, and the close contact portion 11 is a hole edge of the mounting hole portion 8 or a hole of the mounting hole portion 8. The structure according to any one of claims 1 and 2, wherein the structure is in close contact with the vicinity of the edge. Those of the plug body of the beverage container mounting.

  In addition, due to the drop sliding action that the sliding portion 9 tries to drop into the drop portion 10, the contact portion 11 collides with the hole edge of the attachment hole portion 8 or the vicinity of the hole edge of the attachment hole portion 8. The sliding part 9 and the depression part 10 are set and configured so as to generate a notification sound. The drink container according to any one of claims 1 to 3, wherein is there.

  Further, the mounting insertion portion 7 is provided in the inner plug portion 4, and the mounting hole portion 8 having a shape surrounding the entire circumference of the mounting insertion portion 7 is provided in the outer plug portion 5. 7 is inserted into the mounting hole portion 8, the boundary 12 between the mounting insertion portion 7 and the mounting hole portion 8 is exposed to a position surrounding the entire circumference of the mounting insertion portion 7, and the inner plug portion 4 or The cover lid 13 is detachably attached to the outer plug portion 5, and the cover lid 13 seals the boundary 12 when the cover lid 13 is attached to the inner plug portion 4 or the outer plug portion 5. The boundary sealing part 14 is provided, It concerns on the stopper of the container for drinks of any one of Claims 1-4 characterized by the above-mentioned.

  Further, the mounting insertion portion 7 is provided in the upper portion of the inner plug portion 4, and the mounting hole portion 8 has a shape surrounding the entire circumference of the mounting insertion portion 7 and penetrates the outer plug portion 5 in the vertical direction. Is provided in the outer plug portion 5 and when the mounting insertion portion 7 is inserted into the mounting hole portion 8 from below, the boundary 12 between the mounting insertion portion 7 and the mounting hole portion 8 becomes the mounting insertion portion on the upper portion of the plug S. 7 and a cover lid 13 that can be removably attached to the inner plug portion 4 or the outer plug portion 5 from above. 6. An annular boundary sealing portion is provided for covering and sealing the boundary from above when the cover lid is attached to the inner plug portion or the outer plug portion. It relates to the stopper of the beverage container described in item 1.

  The mounting insertion portion 7 is formed in a cylindrical shape having an upper opening, and a female screw portion 15 is provided in the cylindrical mounting insertion portion 7, and a male screw portion that can be screwed into the female screw portion 15. 16 is provided in the lower part of the cover lid 13, and the male screw part 16 is detachably screwed to the female screw part 15 so that the cover cover 13 is attached to the inner plug part 4 and the boundary sealing part The beverage container according to claim 6, wherein 14 is in close contact with the boundary 12, and the boundary 12 is sealed.

  Moreover, the stopper S of the drink container of any one of the said Claims 1-7 is attached to the said upper opening part 2 of the container main body 1 which has the drinking mouth part 3 in the upper opening part 2 so that attachment or detachment is possible. The present invention relates to a beverage container.

  Since the present invention is configured as described above, the separated inner plug portion and outer plug portion can be cleaned and maintained separately to maintain cleanliness, and the present invention provides the mounting insertion portion as the mounting hole portion. When the inner plug part is attached to the outer plug part by inserting it into the outer plug part, the close contact part comes into close contact with the hole edge of the mounting hole part or in the vicinity of the hole edge of the mounting hole part by the sliding action of the sliding part to the drop part. Since the mounting hole is sealed by being held in a state, the inner plug portion is externally plugged by the sliding action of the sliding portion falling into the dropping portion simply by inserting the mounting insertion portion into the mounting hole portion. Beverage container plug body with excellent practicality and no practical inconvenience that causes leakage of beverage when used in an insufficiently attached state due to being securely attached to the part, and extremely practicality with this plug body The beverage container is excellent.

  Further, in the invention according to claim 2, even after the close contact portion comes into close contact with the edge of the mounting hole portion or in the vicinity of the hole edge of the mounting hole portion, the sliding portion falls into the falling portion and tries to slide. Since the sliding action is continuously exerted, the tight contact portion always keeps in close contact with the hole edge of the mounting hole portion or the vicinity of the hole edge of the mounting hole portion, and the sealing state of the mounting hole portion is maintained well. Thus, the beverage container has a more practical configuration.

  Further, in the invention according to claim 3, the sliding portion and the dropping portion that surely generate the sliding action and bring the tightly contacting portion into close contact with the mounting hole portion can be easily realized with a simple configuration. It becomes the stopper of the container for drinks of the composition excellent in practicality.

  Further, in the invention according to claim 4, since the user can recognize from the notification sound that the inner plug portion is securely attached to the outer plug portion and the mounting hole portion is sealed, the inner plug portion and the outer plug portion This is a beverage container stopper having a configuration extremely excellent in practicality, which is less likely to cause inconvenience such as a beverage leakage due to insufficient mounting state.

  Further, in the inventions according to claims 5 and 6, even if the close contact portion is separated from the hole edge of the attachment hole portion or the vicinity of the hole edge of the attachment hole portion and a beverage leaks, the insertion portion for attachment and the attachment hole portion The beverage can be prevented from leaking from the boundary of the cover by the boundary sealing portion of the cover lid, and it becomes a stopper of a beverage container having a higher commercial value that can be removed and cleaned and cleaned, and as in the invention of claim 6 With this configuration, it is possible to easily design and realize a cover lid having a mounting insertion portion, a mounting hole portion, and a boundary sealing portion that reliably exhibit the functions and effects.

  Further, in the invention according to claim 7, the mounting structure to the inner plug portion of the cover lid can be easily designed and realized, and the cover lid can be easily attached and detached, and can be securely inserted by simple operation. It becomes the stopper of the container for drinks of the structure excellent in the further practicality which can seal the boundary of a part and an attachment hole part with a boundary sealing part.

It is a perspective view which shows a present Example. It is the front view which made the plug body which shows a present Example isolate | separated. It is front sectional drawing which shows a present Example. It is the side sectional view and front sectional view showing the plug of this example. It is the disassembled perspective view which also decomposed | disassembled the boundary sealing part which shows the plug body of a present Example. It is a decomposition | disassembly side sectional view which shows the plug body of a present Example. It is a partial expanded side sectional view which shows the relationship between the sliding part of the state which attached the inner stopper part of the present Example to the outer stopper part, and the fall part, and the relationship between a contact | adherence part and a to-be-contacted part. It is an outer plug part notch front view in the state where a cover lid was separated showing a plug of this example. It is the top view and perspective view of the state which removed the cover lid | cover which shows the plug body of a present Example.

  An embodiment of the present invention which is considered to be suitable will be briefly described with reference to the drawings showing the operation of the present invention.

  When the stopper S of the present invention is attached to the upper opening 2 of the container body 1, the middle stopper 4 of the stopper S is attached in an inserted state in the upper opening 2 of the container body 1. 2 and the outer plug 5 covers the drinking mouth 3 of the upper opening 2 of the container body 1 so that the drinking mouth 3 is kept clean.

  When drinking a beverage in the container body 1, the stopper S is removed from the upper opening 2 of the container body 1 to expose the drinking mouth 3.

  The plug body S of the present invention can be removed and maintained from the upper opening 2 of the container body 1. The plug body S is further separated into the inner plug section 4 and the outer plug section 5. Thus, each can be cleaned and cleaned separately, and therefore, the plug S can be kept clean by cleaning it to the back, which is difficult to clean when the inner plug 4 is attached to the outer plug 5. Easily possible.

  Further, the inner plug portion 4 and the outer plug portion 5 are an attachment hole portion provided in the outer plug portion 5 or the inner plug portion 4 with the mounting insertion portion 7 protruding from the inner plug portion 4 or the outer plug portion 5. At this time, the sliding portion 9 provided in the mounting hole portion 8 or the mounting insertion portion 7 slides with respect to the mounting insertion portion 7 or the mounting hole portion 8. When the sliding portion 9 falls into and slides on the recessed portion 10 provided in the mounting insertion portion 7 or the mounting hole portion 8, the inner plug portion 4 is attached and held on the outer plug portion 5, and the middle portion The contact portion 11 provided in the plug portion 4 or the outer plug portion 5 is in close contact with the hole edge of the mounting hole portion 8 or in the vicinity of the hole edge of the mounting hole portion 8 so that the mounting hole portion 8 is sealed. .

  That is, the user can perform the normal mounting operation of inserting the mounting insertion portion 7 into the mounting hole portion 8, so that the sliding portion 9 is surely accompanied by a falling sliding action that attempts to drop into the falling portion 10. Since the mounting hole portion 8 is sealed, there is no beverage leakage due to the use of the inner plug portion 4 and the outer plug portion 5 in an insufficiently attached state.

  Further, for example, in the middle of the drop sliding where the sliding portion 9 is about to drop into the drop portion 10, the contact portion 11 that comes into close contact with the hole edge of the attachment hole portion 8 or the vicinity of the hole edge of the attachment hole portion 8. Is provided in the inner plug portion 4 or the outer plug portion 5, and the contact hole 11 is in close contact with the edge of the attachment hole 8 or in the vicinity of the hole edge of the attachment hole 8, thereby sealing the attachment hole 8. In this configuration, the contact portion 11 is in close contact with the hole edge of the mounting hole portion 8 or in the vicinity of the hole edge of the mounting hole portion 8 in the middle of the downward sliding before the sliding portion 9 completely falls into the falling portion 10. Will be in touch.

  Therefore, even after the contact portion 11 is in close contact with the hole edge of the mounting hole portion 8 or in the vicinity of the hole edge of the mounting hole portion 8, the sliding portion 9 that continues to slide down into the falling portion 10 continues. As a result, the close contact portion 11 keeps in close contact with the edge of the mounting hole portion 8 or in the vicinity of the hole edge of the mounting hole portion 8 so that the sealing state of the mounting hole portion 8 is maintained well. Will be.

  Further, for example, the mounting insertion portion 7 is provided in the inner plug portion 4, and the mounting hole portion 8 having a shape surrounding the entire circumference of the mounting insertion portion 7 is provided in the outer plug portion 5. When the insertion portion 7 is inserted into the attachment hole portion 8, the boundary 12 between the attachment insertion portion 7 and the attachment hole portion 8 is exposed at a position surrounding the entire circumference of the attachment insertion portion 7. 4 or a cover lid 13 that can be detachably attached to the outer plug portion 5, and the cover lid 13 defines the boundary 12 when the cover lid 13 is attached to the inner plug portion 4 or the outer plug portion 5. By providing the boundary sealing portion 14 for sealing, even if the close contact portion 11 is separated from the hole edge of the attachment hole portion 8 or the vicinity of the hole edge of the attachment hole portion 8 and a beverage leaks, the attachment insertion portion 7 and the attachment portion are attached. Since the boundary 12 with the hole 8 is sealed by the boundary sealing portion 14 of the cover lid 13, beverage leakage from the boundary 12 is prevented. The

  Further, since the cover lid 13 can be removed from the plug S, the cover lid 13 can be kept clean by washing and care.

  Specific embodiments of the present invention will be described with reference to the drawings.

  This embodiment is applied to a portable water bottle as shown in FIGS. 1 to 3, and a stopper S is detachably provided in the upper opening 2 of the container body 1.

  The container body 1 of this embodiment employs a bottomed cylindrical upper opening container having a height, and the stopper S is a short cylinder having a height of about 1/4 of the height of the container body 1. Consists of the body.

  Further, in the upper opening 2 of the container body 1, as shown in FIG. 2, an annular band-shaped synthetic resin drinking mouth 3 is provided so as to cover the outer peripheral surface of the upper opening 2 from the outside. It is attached so that a mouth can be directly attached to the drinking mouth part 3 so as to drink the beverage in the container main body 1, and the drinking mouth part 3 is provided detachably with respect to the upper opening part 2. By removing the drinking mouth 3, the cleaning and care can be easily performed.

  The container main body 1 and the plug body S can be attached and detached by forming a female threaded portion 17 on the inner peripheral surface of the upper opening 2 of the container main body 1 and plugging a male threaded portion 18 screwed into the female threaded portion 17. The body S is provided on the outer peripheral surface of the later-described inner plug portion 4, and the male screw portion 18 is screwed to the female screw portion 17 so that the plug body S is attached to the upper opening 2 of the container body 1. The stopper body S can be removed from the upper opening 2 of the container body 1 by the screwing operation of the stopper body S.

  Further, the plug body S of the present embodiment will be described. The middle plug portion 4 that closes the upper opening portion 2 by being attached in the upper opening portion 2 of the container main body 1, and the container main body 1. It has a drinking mouth covering portion 6 that covers the drinking mouth portion 3 and has an outer plug portion 5 that can be attached to and detached from the inner plug portion 4, and a mounting insertion portion 7 projects into the inner plug portion 4. The mounting plug 8 is provided in the outer plug 5 so that the mounting insert 7 can be removably inserted. By inserting the mounting insert 7 into the mounting hole 8, the inner plug 4 Is configured to be attachable to the outer plug portion 5.

  Specifically, the inner stopper portion 4 of the present embodiment is made of synthetic resin, and has a bottomed short cylindrical shape that is smaller than the inner diameter of the container body 1 and can be inserted into the upper opening 2 of the container body 1. It is integrally formed by molding.

  Further, the inner plug portion 4 serves as an attachment insertion portion 7 for attaching the upper cylindrical portion to the outer plug portion 5, and the lower portion is in close contact with the inner peripheral surface near the upper opening portion 2 of the container body 1. A sealing packing 19 is provided around the outer periphery, and the male screw portion 18 is integrally formed on the lower outer peripheral surface above the sealing packing 19.

  The outer plug portion 5 of the present embodiment is made of a synthetic resin and has a short cylindrical shape having an outer diameter size equivalent to the outer diameter size of the container main body 1 and has a shape having the mounting hole portion 8 in the center portion. The structure is integrally formed by molding.

  Further, the outer plug portion 5 is resin-molded into a shape having an inverted U-shaped cross section and having an outer wall portion 20, a ceiling wall portion 21, and an inner wall portion 22, and the outer wall portion 20, the ceiling wall portion 21, and the like. When the space surrounded by the inner wall portion 22 is the drinking mouth covering portion 6 and the outer stopper portion 5 is attached to the drinking mouth portion 3 of the container body 1 so as to be fitted from above, the drinking mouth covering portion is obtained. The drinking mouth part 3 is accommodated in 6 (the drinking mouth part 3 is covered with the outer plug part 5).

  Further, a through hole 8 at the central portion of the outer plug portion 5 with the inner wall portion 22 as an inner surface of the hole and penetrating the outer plug portion 5 in the vertical direction is used as the mounting hole portion 8, and the mounting hole portion 8 is formed of the inner plug portion. It is formed into a shape having a hole diameter dimension substantially equal to or slightly smaller than the outer diameter dimension of the mounting insertion section 7 at the upper part of the section 4, and the inner wall portion 22 is integrally formed into a shape extending downwardly in a cylindrical shape. Thus, the structure has a hole length in the vertical direction (see FIGS. 5 and 6).

  The mounting structure of the inner plug portion 4 and the outer plug portion 5 will be described. In this embodiment, the mounting insertion portion 7 is inserted into the mounting hole portion 8 from below, and the mounting insertion portion 7 is attached to the mounting hole portion. 8 is provided in the mounting hole 8 to slide with respect to the mounting insertion portion 7 when the insertion portion 7 is inserted. The inner plug portion 4 is attached to and held by the outer plug portion 5 when the sliding portion 9 falls and slides on the dropping portion 10, and the sliding portion 9 falls on the falling portion 10. The inner plug portion 4 is provided with a close contact portion 11 that comes into close contact with the contacted portion 30 provided in the vicinity of the hole edge of the mounting hole portion 8, and the close contact portion 11 is a hole edge of the attachment hole portion 8. A configuration in which the mounting hole 8 is sealed (water-stopped) by tightly contacting the contacted part 30 in the vicinity so that no beverage leaks. It is.

  Specifically, a pressing projection 9 that presses against the mounting insertion portion 7 is formed in the mounting hole portion 8 by integral molding, and the pressing projection 9 is pressed against the mounting insertion portion 7 to slide. A concave step surface 10 is provided on the mounting insertion portion 7 so that the sliding portion 9 presses and slides when the mounting insertion portion 7 is inserted into the mounting hole portion 8. 10 is the depressed portion 10 that generates a sliding action when the sliding portion 9 is pressed and slid, and the mounting insertion portion 7 is brought into the mounting hole 8 by the depressed sliding action of the depressed portion 10. The contact portion 11 is inserted deeply and is in close contact with the contacted portion 30.

  The pressure contact projection 9 as the sliding portion 9 is formed into a projection projecting in a hemispherical shape toward the inside of the mounting hole portion 8 as shown in FIGS. 6 and 7, and the mounting hole portion 8 is formed. It is provided at opposite positions (two opposite positions) of the hole inner edge (hole inner surface) near the upper part of the inner wall portion 22 to be configured.

  A concave stepped surface 10 as the depressed portion 10 on which each sliding portion 9 falls and slides is formed into a stepped surface 10 that is recessed inwardly of the mounting insertion portion 7 and the mounting insertion portion 7. Are provided at opposite positions (two opposite positions) on the outer peripheral surface near the top of the.

  Further, the depression 10 will be described in more detail. A horizontal rectangular recess 23 is integrally formed at a position opposed to the outer peripheral surface near the upper portion of the mounting insertion portion 7, and the upper step of each recess 23 is attached to the mounting portion 7. It is formed on the stepped surface 10 that is directed inward (horizontal inward) at a right angle to the outer peripheral surface of the insertion portion 7 for use.

  Further, the close contact portion 11 of the present embodiment is configured such that the flange portion 24 is formed on the inner plug portion 4 horizontally by integrally molding the entire periphery of the outer peripheral surface slightly closer to the upper side in the insertion direction of the mounting insertion portion 7. As the attachment portion 7 is inserted deeply into the attachment hole portion 8 as the contact portion 11 in close contact with the lower end of the inner wall portion 22 as the contacted portion 30, the upper surface of the flange portion 24 is provided. When the close contact portion 11 approaches the contacted portion 30 and the sliding portion 9 falls into the falling portion 10 and slides, the close contact portion 11 comes into close contact with the entire circumference of the contacted portion 30 and the mounting hole portion. 8 is configured to be stopped.

  Further, in this embodiment, the sliding portion 9 is in close contact with the vicinity of the hole edge of the mounting hole portion 8 (the lower end of the inner wall portion 22) while the sliding portion 9 is about to drop into the falling portion 10. In addition, the formation positions of the sliding portion 9, the depression portion 10, the contact portion 11 and the contacted portion 30 are set and formed (the formation positions of the sliding portion 9, the depression portion 10, the adhesion portion 11 and the contacted portion 30). In addition, the hemispherical sliding part 9 has a good depression sliding action with respect to the concave concave step surface 10 at the time of depression sliding (insertion as shown by the arrow in FIG. 7). Since the portion 7 exerts an action to be inserted deeply into the mounting hole portion 8), the sliding portion 9 falls into the falling portion 10 even after the close contact portion 11 comes into close contact with the contacted portion 30. The good depression and sliding action to be slid is continuously exerted, and the close contact portion 11 becomes the mounting hole portion 8. Hole edge sealed state in the vicinity of the contact continues to contact mounting holes 8 are favorably maintained, and also the mounted state of the inner plug portion 4 and the outer plug portion 5 has a configuration which is to be maintained satisfactorily. In addition, it is good also as a structure which forms the depression part 10 in the downward inclined surface which inclines down toward the insertion base end side of the insertion part 7 for attachment, and the sliding part 9 exhibits a more favorable depression sliding action. .

  Further, when the inner plug portion 4 and the outer plug portion 5 are separated, the inner plug portion 4 is removed from the outer plug portion 5 with a force larger than the sliding force in which the sliding portion 9 falls into the falling portion 10 and tries to slide. It is set as the structure which can isolate | separate the inner stopper part 4 and the outer stopper part 5 by operating in this way.

  Further, in this embodiment, the close contact portion 11 collides with the contacted portion 30 due to the falling sliding action in which the sliding portion 9 tries to drop and slide on the falling portion 10, and “slap” and a notification sound (synthesis) A collision sound between resins) is generated, and the user can recognize that the mounting hole portion 8 is reliably sealed by the generation of the notification sound.

  Further, on the close contact portion 11 of the flange portion 24, a square detent projection 25 is protruded by integral molding at several locations (three locations in the drawing) spaced apart in the circumferential direction of the flange portion 24, while When the sliding portion 9 falls into and slides on the sagging portion 10, the fitting concave portion 26 into which the anti-rotation convex portion 25 fits in a concave and convex manner corresponds to the number corresponding to the lower end (the contacted portion 30) of the inner wall portion 22. Provided at three locations (drawings are three locations), and the inner plug portion 4 and the outer plug portion 5 are attached in a non-rotating state by the concave and convex close fitting of the respective non-rotating convex portions 25 and the respective fitting concave portions 26. Thus, when the outer plug portion 5 is rotated, the inner plug portion 4 together with the outer plug portion 5 is also rotated with respect to the container body 1 so that the plug body S can be screwed on and off.

  Further, in the mounting state of the inner plug portion 4 to the outer plug portion 5 (attachment state to the mounting hole portion 8 of the mounting insertion portion 7 in which the sliding portion 9 falls and slides on the depression portion 10), The upper end portion of the insertion portion 7 is set to be substantially flush with the upper surface of the top wall portion 21 of the outer plug portion 5 (see FIG. 8). That is, as shown in FIG. 9, the entire circumference of the upper end portion of the mounting insertion portion 7 is exposed to the upper portion surrounded by the mounting hole portion 8, and the mounting insertion portion 7 and the mounting hole portion 8 are An annular boundary 12 is configured to be exposed at an upper position surrounding the entire circumference of the mounting insertion portion 7.

  In addition, the plug body S of the present embodiment includes a cover lid 13 that can be detachably attached to the inner plug portion 4, and the cover lid 13 is provided when the cover lid 13 is attached to the inner plug portion 4. A boundary sealing portion 14 for sealing the boundary 12 between the mounting insertion portion 7 and the mounting hole portion 8 is provided.

  Specifically, the cover lid 13 of this embodiment is made of a synthetic resin, and as shown in FIGS. 5, 6, and 8, a disk having an outer diameter that substantially matches the outer diameter of the outer plug portion 5. A cylindrical part 28 concentric with the top plate part 27 and having a diameter smaller than that of the top plate part 27 is integrally formed on the bottom surface of the shaped top plate part 27 so as to protrude downward.

  Further, the cylindrical portion 28 of the cover lid 13 has an outer diameter dimension set to be substantially the same as or slightly smaller than the inner diameter dimension of the mounting insertion portion 7, and the cylindrical portion 28 is opened at the upper opening of the mounting insertion portion 7. (See FIGS. 4 and 7).

  Further, on the outer peripheral surface of the cylindrical portion 28, a male screw portion 16 is provided by integral molding, and a female screw portion 15 to which the male screw portion 16 can be screwed is provided on the inner peripheral surface of the mounting insertion portion 7, The male screw portion 16 is detachably screwed to the female screw portion 15 so that the cover lid 13 is detachably attached to the inner plug portion 4 (see FIGS. 4 and 5).

  Further, a ring-shaped packing 14 as a boundary sealing portion 14 is detachably attached to the lower surface of the top plate portion 27 of the cover lid 13 around the cylindrical portion 28, and the cover lid 13 is attached to the inner plug portion 4. When the ring-shaped packing 14 is screwed onto the boundary 12, the ring-shaped packing 14 is in close contact with the boundary 12 from above, and the boundary 12 is sealed (see FIGS. 4 to 7).

  The boundary sealing portion 14 is configured to be in pressure contact with a mounting groove 29 provided around the entire outer peripheral surface of the base end portion (upper end portion) of the cylindrical portion 28, and is positioned in the mounting groove 29. It can be removed by extending the boundary sealing portion 14 and pulling it downward along the cylindrical portion 28, and can be easily cleaned and maintained.

  In addition, the cover lid 13 is integrally formed in a shape that hangs downward on the entire outer periphery of the top plate portion 27, and this hanging portion is used as an outer cap presser piece 31, and the cover lid 13 is screwed onto the inner plug portion 4. When worn, the outer plug portion pressing piece 31 and the boundary sealing portion 14 are configured to press the outer plug portion 5 against the inner plug portion 4 so that it cannot be removed upward. Reference numeral 32 in the figure denotes a receiving recess where the outer cap presser piece 31 is pressed against.

  That is, when the cover lid 13 is screwed to the inner plug portion 4, the outer plug portion 5 cannot be separated, and the outer plug portion 5 can be detached from the inner plug portion 4 by removing the cover lid 13 from the inner plug portion 4. It becomes the composition which becomes.

  Note that the present invention is not limited to this embodiment, and the specific configuration of each component can be designed as appropriate.

  For example, in this embodiment, the case where the sliding portion 9 is provided in the mounting hole portion 8 and the depression portion 10 is provided in the attachment insertion portion 7 is shown. It is good also as a structure which provides the sliding part 9 in the insertion part 7 for attachment.

  Further, in the present embodiment, the case where the close-contact portion 11 is provided in the inner plug portion 4 and the contacted portion 30 is provided in the outer plug portion 5 is shown. It is good also as a structure which provides the to-be-contacted part 30 in the stopper part 4. FIG.

  Further, in the present embodiment, the case where the close contact portion 11 is configured to be in close contact with the vicinity of the hole edge of the mounting hole portion 8 (to-be-contacted portion 30) and stop the water is shown. It is good also as a structure closely_contact | adhered to 8 hole edges.

  In this embodiment, the cover lid 13 is attached to the inner plug portion 4. However, the cover lid 13 may be attached to the outer plug portion 5.

DESCRIPTION OF SYMBOLS 1 Container body 2 Upper opening part 3 Drinking mouth part 4 Middle stopper part 5 Outer stopper part 7 Insertion part for attachment 8 Mounting hole part 9 Sliding part and pressure contact protrusion
10 Depression / step surface
11 Close contact
12 border
13 Cover lid
14 Boundary sealing part
15 Female thread
16 Male screw part S Plug body

Claims (8)

  A beverage container plug detachably attachable to the upper opening of a container body having a drinking opening at the upper opening, wherein the plug is attached in an inserted state in the upper opening of the container body. And an inner plug portion that closes the upper opening portion, and an outer plug portion that is detachably attached to the inner plug portion and covers the drinking mouth portion of the container body. A mounting insertion portion projects from the outer plug portion, and a mounting hole portion in which the mounting insertion portion can be inserted and removed is provided in the outer plug portion or the inner plug portion. The inner plug part can be attached to the outer plug part by inserting it into the outer part, and when this insertion part for insertion is inserted into the attachment hole part, it slides against this attachment insertion part or the attachment hole part. The sliding part is provided in the mounting hole or mounting insertion part, and the sliding part The sliding part is provided in the mounting insertion part or the mounting hole part, and the sliding part falls into the falling part and slides, and the inner plug part is mounted and held on the outer plug part. When the sliding part falls into the sagging part and slides, a close contact part in close contact with the hole edge of the mounting hole part or near the hole edge of the mounting hole part is provided in the inner plug part or the outer plug part, A stopper for a beverage container, characterized in that the contact hole is in close contact with the edge of the mounting hole or in the vicinity of the hole edge of the mounting hole so that the mounting hole is sealed.   While the sliding portion is about to fall into the sagging portion, the close-contact portion that is in close contact with the hole edge of the mounting hole portion or the vicinity of the hole edge of the mounting hole portion is the inner plug portion or the outer portion. The mounting hole portion is sealed by being provided in the plug portion, and the close contact portion is in close contact with the hole edge of the mounting hole portion or in the vicinity of the hole edge of the mounting hole portion. Beverage container stopper.   The mounting hole portion or the mounting insertion portion is provided with a pressure contact protrusion that press-contacts the mounting insertion portion or the mounting hole portion, and the pressure contact protrusion slides against the mounting insertion portion or the mounting hole portion. A step surface is provided on the mounting insertion portion or the mounting hole so that the sliding portion press-slids when the mounting insertion portion is inserted into the mounting hole. When the moving part slides in pressure contact, the drop part generates a drop sliding action, and the attachment insertion part is inserted into the attachment hole part by the drop sliding action of the sliding part to the stepped surface as the drop part. The beverage according to any one of claims 1 and 2, wherein the beverage is deeply inserted and the contact portion is in close contact with the hole edge of the attachment hole portion or the vicinity of the hole edge of the attachment hole portion. Container closure.   Due to the depression sliding action that the sliding portion tries to fall into the depression portion, the close contact portion collides with the hole edge of the attachment hole portion or the vicinity of the hole edge of the attachment hole portion to generate a notification sound. The stopper for a beverage container according to any one of claims 1 to 3, wherein the sliding portion and the depression portion are set and configured.   When the mounting plug is provided in the inner plug portion, the mounting hole portion having a shape surrounding the entire circumference of the mounting insertion portion is provided in the outer plug portion, and the mounting insertion portion is inserted into the mounting hole portion. The cover between the mounting insertion portion and the mounting hole portion is exposed at a position surrounding the entire circumference of the mounting insertion portion, and a cover lid that can be detachably attached to the inner plug portion or the outer plug portion. The cover lid is provided with a boundary sealing portion that seals the boundary when the cover lid is attached to the inner plug portion or the outer plug portion. A stopper for a beverage container as described in 1.   The mounting insertion portion is provided in the upper portion of the inner plug portion, and the mounting hole portion is provided in the outer plug portion so as to surround the entire circumference of the mounting insertion portion and vertically penetrates the outer plug portion. When the mounting insertion portion is inserted into the mounting hole from below, the boundary between the mounting insertion portion and the mounting hole portion is annularly exposed at a position surrounding the entire circumference of the mounting insertion portion at the top of the plug body. A cover lid that can be detachably attached to the inner plug portion or the outer plug portion from above, and when the cover lid is attached to the inner plug portion or the outer plug portion, A beverage container stopper according to any one of claims 1 to 5, further comprising an annular boundary sealing portion that covers and seals the container.   The mounting insertion portion is formed in a cylindrical shape with an upper opening, a female screw portion is provided in the cylindrical mounting insertion portion, and a male screw portion that can be screwed into the female screw portion is provided at the lower portion of the cover lid. The male screw part is detachably screwed to the female screw part so that the cover lid is attached to the inner plug part, and the boundary sealing part is in close contact with the boundary and the boundary is sealed The stopper for a beverage container according to claim 6.   The stopper of the beverage container according to any one of claims 1 to 7 is detachably attached to the upper opening of the container main body having a drinking opening at the upper opening. Beverage container.

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