JP4892017B2 - Portable beverage container stopper - Google Patents

Description

    The present invention relates to a stopper for a beverage container to be carried, particularly to a stopper having a drinking mouth.

  In the portable beverage container, in particular, a plug body provided with a drinking mouth to which a mouth is directly attached has been proposed, and in particular, a stopper body provided with a drinking mouth and a turning structure for opening and closing the drinking mouth. As examples in which the lid is configured, the plugs of Patent Documents 1 and 2 are known.

  In Patent Document 1 (Japanese Patent Laid-Open No. 2003-212258), in a stopper body attached to an opening of a container body composed of a stainless steel vacuum double container, a drinking mouth and air projecting in a cylindrical shape on the upper surface portion. There is disclosed a plug body in which a small hole for use is formed, and a lid body provided with an elastic hermetic lid portion that closes the drinking mouth and the small air hole is attached to the plug body by a hinge connection.

  Further, in Patent Document 2 (Japanese Patent Laid-Open No. 2006-160278), a stopper body is provided with a mouthpiece member in which an air passage is formed in a cylindrical mouthpiece in an opening of a container body, and further the above mouthpiece member. A plug cover member configured to be pressed and fixed to the opening, and connected to the plug cover member with a hinge structure to close the opening end of the drinking mouth is disclosed. Yes.

  Further, in Patent Document 3 (Japanese Patent Laid-Open No. 2002-191511), a straw-shaped drinking mouth is urged in the protruding direction in the stopper, and is connected by a hinge structure to close down the opening end of the drinking mouth. A plug body constituted by a lid is disclosed.

JP2003-212258A. JP 2006-160278 A. JP 2002-191511 A.

  In a direct-drinking-type portable liquid container (water bottle), the shape and structure of the drinking mouth are determined according to the way of drinking. For example, the stoppers of Patent Documents 1 and 2 are the same as those for PET bottles. The mouthpiece of the patent document 3 corresponds to the way of drinking (straw type, spout type). It has a narrow cylindrical mouthpiece.

  In this way, the conventional product has a drinking mouth of a predetermined shape and structure, and when adopting different drinking means, it is basically supplied as a product of another design. is there.

  However, adopting a shared structure (design) other than the mouthpiece increases the efficiency of manufacturing and has the advantage of being able to respond to the purchaser's choice by exchanging parts (changing parts with differently shaped mouthpieces) .

  Therefore, as described in Patent Document 2, if the stopper body is composed of a drinking mouth member and a stopper cover member, it is possible to selectively combine the drinking mouth members having different drinking mouth shapes. Since the body has a structure that does not take into account the changed combination of the mouthpiece member, there is a problem in the versatility of the plug cover member.

  That is, the plug body described in Patent Document 2 is provided with a through hole in which a cylindrical protrusion serving as a drinking mouth is fitted and attached to the plug cover member, so that the drinking mouth member having a straw-like narrow cylindrical drinking mouth is provided. In order to mount the plug cover member, it is necessary to change the shape of the through hole in the plug cover member, and the plug cover member cannot be made into a common part.

  Furthermore, the packing part that closes the mouthpiece of the stopper described in Patent Documents 1, 2, and 3 can be applied to both a mouthpiece having a cylindrical protruding shape with a predetermined diameter and a straw-like narrow mouthpiece. It is not versatile.

  The present invention provides a novel liquid container that can be provided with a drinking mouth with a different shape, such as a cylindrical protruding drinking mouth for non-suction drinking or a straw-like narrow drinking mouth for drinking and drinking. A plug body with a structure is proposed.

A plug of a portable beverage container according to the present invention (Claim 1) is composed of a drinking mouth member, a plug cover body, and a lid, and is attached to an outer peripheral threaded portion of an appropriate liquid container opening. in the body, spout member communicates with the substrate unit bottom side a circular substrate portion, and provided with a spout formed by the upwardly projecting tubular portion of cylindrical shape centered on a predetermined portion of the substrate portion, the substrate portion bottom surface And a positioning projection provided at an appropriate position on the outer periphery of the substrate portion, and is arranged in a state of being placed on the liquid container opening. lid to the container mounting portion so as to cut with threaded mounting, and the mounting hole substrate portion and the positioning protrusion has a mounting hole and the flange portion pressing fitted to a predetermined position of the spout member, and the outer peripheral side the lid connecting portion for hinging, and a lid body engaging portion provided on the opposite side of the lid connection part, Body, said hinged to the lid body connecting portion with attached to the plug cover member so as to cover the open upper surface portion of the plug cover member, spout packing unit said spout upper end closes sealed during coating, and the lid Position where a locking part that can be locked to the body locking part is provided , and the drinking hole packing part excludes a place where a plate-shaped sealing plate formed of a rubber material and a plurality of drinking holes with different diameters come into contact with each other In addition, a support portion serving as a curved base point of the plate-shaped sealing plate is provided, and a portion that comes into contact with the upper ends of the plurality of drinking holes having different diameters is sealed with a predetermined elasticity.

  Thus, the mouthpiece member is attached to the opening of the liquid container together with the stopper cover member, and the lid is closed when the liquid container is carried, and the upper end of the mouthpiece is closed and sealed with the mouthpiece packing portion. When the lid is opened, the drinking mouth is exposed and the beverage in the liquid container can be drunk from the drinking mouth. In particular, by preparing a plurality of mouthpiece members having different diameter mouthpieces, it is possible to provide a portable beverage container having a different mouthpiece shape by employing a mouthpiece member having a desired mouthpiece shape. .

In addition, even if a mouthpiece member having a different mouthpiece shape is adopted, a portable beverage container having a different mouthpiece shape only by changing the mouthpiece member can be provided by providing a mouthpiece packing portion corresponding to the mouthpiece shape in advance. Can be provided.

The plug of the portable beverage container according to the present invention (Claim 2) is provided with a check valve for air holes, particularly on the bottom surface side of the substrate in the plug, and the lid is air-operated when the lid is covered. Air hole packing part that closes and seals the hole prevents beverage leakage from the air hole when carrying, and air flows into the liquid container from the air hole even when a straw type drinking mouth is adopted. So you can drink without any trouble.

  As described above, the present invention is constituted by a stopper cover member provided with a mouthpiece member and a lid, and selectively installing a mouthpiece member having a mouthpiece of a desired shape from mouthpiece members having different mouthpiece shapes. Thus, a portable beverage container having a different mouth shape can be provided.

The exploded perspective view of the whole embodiment of the present invention. The whole perspective view of the assembled state (cover body open state). The whole perspective view of the assembled state (cover closed state). Sectional view (with the lid open). Sectional view (cover closed state). The perspective view of another example of the same drinking mouth member. The whole perspective view of the assembled state (cover body open state). Sectional view (cover closed state).

  Next, an embodiment of the present invention will be described. The portable beverage container shown in the embodiment is formed of, for example, a liquid container A formed of a stainless steel vacuum double container and a plug (the present invention) attached to the opening a of the liquid container A. The body is composed of a mouthpiece member 1, 1 a that is selectively employed, a stopper cover member 2, and a lid 3 attached to the stopper cover member 2.

The mouthpiece member 1 includes a circular base plate portion 11, a mouthpiece 12, an air hole 13, a check valve 14, a collar portion 15, a positioning protrusion 16, a leg portion 17, and a ring packing 18. Composed.
The drinking mouth 12 communicates with the bottom surface side of the substrate portion 11 and is formed of an upward projecting cylindrical portion that allows direct pouring around a predetermined portion of the substrate portion 11 (a position corresponding to the drinking mouth member 1a). Is.

  The air hole 13 is formed by a small through hole communicating with the bottom surface side of the substrate portion at a position away from the center of the mouth so that an air hole packing portion described later can be formed on the lid. In addition, a check valve 14 is provided on the bottom surface side of the air hole 13 so as to prevent the beverage from flowing out from the liquid container A and to prevent the air from flowing in from the outside. .

  The flange portion 15 is provided around the outer periphery of the bottom surface side of the substrate portion 11, is provided so as to be located inside the outer periphery of the opening portion a of the liquid container A, and the positioning protrusion 16 is provided on the substrate portion 11. Is formed so as to protrude from the outer periphery, and is provided on the upper surface of the flange portion 15.

  The leg 17 is disposed in the opening a of the liquid container A, and the ring packing 18 corresponding to the opening a is attached, and when the drinking mouth member 1 is placed in the opening a. The ring packing 18 realizes water sealing of the liquid container A. In the illustrated example, the flange portion 15 has a shape that also serves as an upper portion of the leg portion 17.

  Further, the mouthpiece member 1a is different from the mouthpiece member 1 only in the mouthpiece 12a, and the mouthpiece 12a is a size that can be fitted with a straw c that hangs down in the liquid container A and is thin enough to be sucked and drunk. It is formed in a cylindrical shape.

  The stopper cover member 2 includes a container mounting portion 21, a mounting hole portion 22, a lid connecting portion 23, and a lid locking portion 24.

  The container mounting portion 21 is adapted to be screwed into a screwing portion b formed on the outer periphery of the opening of the liquid container A.

  The mounting hole portion 22 includes a mounting hole 221 and a wrinkle restraint 222. The mounting hole 221 has a shape in which the substrate portion 11 and the positioning protrusion 16 of the drinking mouth member 1 (1a) are fitted, and the wrinkle restraint 222. Corresponds to the flange portion 15 and has a shape arranged above the flange portion 15.

  The lid connecting part 23 is provided on the outer peripheral side opposite to the position of the drinking mouth 12 (12a) when the drinking mouth member 1 (1a) is attached to the attachment hole 221 so that the lid 3 can be hingedly connected. It is a thing.

  The lid body locking portion 24 is provided on the opposite side of the lid body connecting portion, and has an appropriate structure formed by applying an urging force to an operable locking button.

  The lid 3 is provided with a connecting portion at one end, and is urged in the opening direction to be hinged to the lid connecting portion 23 so as to cover and open the entire upper surface portion of the plug cover member 2. A drinking mouth packing part 31, an air hole packing part 32, and a locking part 33 are provided.

  The drinking mouth packing part 31 is provided at a position that comes into contact with the upper end of the drinking mouth 12 (12a) when the lid 3 is closed, and the shape of the drinking mouths 12 and 12a of the drinking mouth members 1 and 1a. The plate-shaped sealing plate 311 formed of a rubber material and a support portion (second support portion) 313 on which the plate-shaped sealing plate 311 is mounted are provided.

  In particular, it is located on the outer periphery of the place where the upper end of the drinking mouth 12 abuts, and is located on the outer periphery of the place where the upper end of the drinking mouth 12a comes into contact with the first support portion 312 serving as the curved base point of the plate-shaped sealing plate 311. In addition, a second support portion 313 serving as a bending base point of the plate-shaped sealing plate 311 is provided at a position where the bending of the plate-shaped sealing plate 311 does not become an obstacle when the upper end of the drinking mouth 12 comes into contact.

  The air hole packing portion 32 is provided so as to close the air hole 13 when the lid body 3 is closed. The cylindrical portion 321 and the cylindrical portion that protrude downward to a predetermined position on the inner surface of the lid body 3 are provided. The bag-like packing 322 attached to the 321 is constituted.

  The locking portion 33 is formed by a latching portion (locking receiving portion) that can be locked to the locking button of the lid locking portion 24, and when the lid 3 is closed, the latching portion is When the latch 3 is locked and the closure of the lid 3 is maintained and the latch is released by the operation of the latch button, the lid is opened by the action of the biasing member (spring) provided in the hinge portion, and the open state is It is maintained.

  Thus, in the above-described embodiment, when the spout member 1 is adopted, the base plate portion 11 of the spout member 1 is fitted into the mounting hole 221 and the opening portion a of the liquid container A is crowned to mount the container. When the portion 21 is screwed and attached to the screwing portion b, the ring packing 18 comes into contact with the inner periphery and the upper edge of the opening a as illustrated in FIG. At the same time, the ring packing 18 is also pressure-reduced, the entire plug body is integrated, and is attached to the opening a in a water-sealed state.

  The liquid container A is filled with an appropriate beverage and carried for carrying. When the lid 3 is opened, the drinking mouth 12 is exposed as illustrated in FIG. Is possible. At this time, since air is naturally introduced through the air holes 13, drinking by suction is also possible.

  When the lid 3 is closed, as illustrated in FIG. 5, the plate-shaped sealing plate 311 comes into contact with the upper end of the drinking mouth 12, and the plate-shaped sealing plate 311 has the first support portion 312 and the second support portion 313. , And abut in a state of being curved in the back, so that the drinking mouth 12 is completely closed and sealed. At the same time, the air holes 13 are closed and sealed by the air hole packing portion 32.

  Further, when another drinking mouth member 1a illustrated in FIG. 6 is adopted, when drinking, the straw-type elongated cylindrical drinking mouth 12a is exposed and air can be introduced from the air hole 13. When the lid 3 is closed, a plate-like sealing plate 311 comes into contact with the upper end of the drinking mouth 12a as shown in FIG. The contact is the inward position of the second support portion 313, and the plate-like sealing plate 311 comes into contact with the curved portion in the back, and the drinking mouth 12a is completely closed and sealed.

  As described above, the present invention can provide a plurality of members having different drinking mouth shapes, and appropriately select and employ a portable beverage container having a different drinking mouth shape. By adopting a packing part that can cope with the difference in the caliber, it is possible to provide a portable beverage container that realizes reliable closure of the drinking mouth only by changing the drinking mouth member.

DESCRIPTION OF SYMBOLS 1,1a Drinking mouth member 11 Substrate part 12, 12a Drinking mouth 13 Air hole 14 Backflow check valve 15 Gutter part 16 Positioning projection part 17 Leg part 18 Ring packing 2 Plug cover member 21 Container mounting part 22 Mounting hole part 221 Mounting hole 222 Wrinkle restraint 23 Lid connecting part 24 Lid locking part 3 Lid 31 Spout packing part 311 Plate-shaped sealing plate 312 First support part

Claims (2)

With a plug attached to the outer threaded portion of the opening of the appropriate liquid container,
A bowl having a drinking mouth formed of a cylindrical upward projecting cylindrical portion centered on a predetermined portion of the substrate portion and communicating with the circular substrate portion on the bottom surface side of the substrate portion, and protruding from the outer periphery on the bottom surface side of the substrate portion And a mouthpiece member provided with a positioning protrusion provided at an appropriate position on the outer periphery of the substrate portion and disposed in a mounted state on the liquid container opening ,
Container mounting portion so as to cut with screwed attached to the opening of the liquid container, and the mounting hole substrate portion and the positioning protrusion has a mounting hole and the flange portion pressing fitted to a predetermined position of the spout member, and A cap cover member provided with a lid connecting portion for hinge-connecting the lid on the outer peripheral side, and a lid locking portion provided on the opposite side of the lid connecting portion;
It is attached to the plug cover member so as to cover and open the upper surface portion of the plug cover member by being hinged to the lid connection portion, and a drinking mouth packing portion for closing and sealing the upper end of the drinking mouth when covered, and a lid locking portion The plate is provided at a position excluding a portion where the plate-shaped sealing plate formed of a rubber material and a plurality of upper ends of the drinking ports are in contact with each other. With a lid that is provided with a support portion to be a curved base point of the sealing plate and is in contact with the upper ends of the plurality of drinking holes having different diameters so as to be sealed with a predetermined elasticity .
A stopper for a portable beverage container, characterized in that it is configured. The drinking hole member is provided with an air hole that is formed by a small through hole at a position that communicates with the bottom surface side of the substrate portion and is separated from the drinking hole center by a predetermined distance, and a check valve for the air hole is provided on the bottom surface side of the substrate portion. the provided, the lid, the plug body of the portable beverage container 請 Motomeko 1 wherein formed by providing an air hole packing part for closing seals the air hole when the lid body cover

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