JP3147042U - Tap - Google Patents

Abstract

A drinking mouth attached to a mouth portion of a beverage container such as a plastic bottle and capable of switching between a closed state and an open state of a flow path by a simple operation with one hand.
A cylindrical drinking mouth used by being inserted into a beverage container mouth portion having a circular cross section, which is formed of an elastic material and has an oval contour shape having a major axis diameter and a minor axis diameter. The tip is formed of a cylindrical insertion portion 2 inserted into the container mouth portion and an elastic material. A cylindrical drinking mouth portion connected to the other end of the insertion portion, the tip forming a beverage outlet in the container, and a flow path extending through the insertion portion and the drinking mouth portion 4 in the axial direction; A pressing specific portion provided at at least one of the positions on the outer surface of the drinking mouth corresponding to the short-axis diameter of the insertion portion, and a valve disposed in the flow path, the valve being an elastic material The plate-shaped valve bodies 12 and 14 which are formed in the shape of a flat plate and bent in a semicircular shape in plan view are provided, and the two valve bodies are opened when the pressing specific portion is pressed radially inward. The
[Selection] Figure 3

Description

  The present invention relates to a drinking mouth, and more particularly to a drinking mouth that is used by being attached to a container mouth portion having a circular cross section such as a mouth portion of a plastic bottle.

  Conventional methods for drinking beverages from beverage containers such as plastic bottles are to remove the lid of the plastic bottle, attach a mouth to the plastic bottle and drink directly from the mouth, or push in with a straw that can be pushed in. There is known a method in which a drinking mouth provided with a lid member covering the straw is attached to the mouth of a plastic bottle, the lid is opened and a beverage is drinked using a straw (see Patent Document 1).

JP 2000-142774 A

However, in the method of drinking a beverage directly from the mouth of a plastic bottle, there is a problem that the lid must be removed with both hands each time it is drunk.
In addition, when a drinking mouth with a straw as described in Patent Document 1 is used, the lid can be opened and closed with one hand, but when the plastic bottle is tilted with the lid open, the beverage is released from the tip of the straw. There was a problem of leaking.

  The present invention has been made to solve such a problem, and is a drinking mouth attached to a mouth portion of a beverage container such as a PET bottle. It aims at providing the drinking mouth which can switch an open state.

According to the present invention,
A cylindrical drinking mouth used by inserting into a beverage container mouth having a circular cross section,
A cylindrical insertion portion formed of an elastic material, having an oval contour shape having a major axis diameter and a minor axis diameter, and a tip inserted into the container mouth portion;
A cylindrical drinking mouth portion formed of an elastic material, connected to the other end of the insertion portion, and the tip forming a beverage outlet in the container;
A flow path extending through the insertion portion and the drinking portion in the axial direction; and
A pressing specific portion provided at at least one of the positions on the outer surface of the drinking mouth corresponding to the short axis diameter of the insertion portion;
A valve disposed in the flow path,
The valve includes two valve bodies formed of an elastic material,
The two valve bodies are configured such that a base portion is joined to an inner peripheral surface of the flow path, and a distal end portion of one valve body is in contact with a distal end portion of the other valve body to close the flow path. Further, the contact portion is disposed so as to extend in the short axis diameter direction of the insertion portion, and is released when the pressing specific portion is pressed radially inward.
A drinking mouth is provided.

According to such a configuration, the insertion portion inserted into the mouth portion of the container having a circular cross section has an oval contour shape having a major axis diameter and a minor axis diameter. When inserted into a container mouth portion having a cross section, a large stress acts on the drinking mouth in the direction of the long axis diameter of the insertion portion. Due to this stress, the distal end portions of the valve bodies extending in the minor axis diameter direction are pressed against each other, and the flow path is reliably closed.
On the other hand, when the pressing specific portion provided at the position corresponding to the short axis diameter is pressed inward in the radial direction, the valve body is deformed, and an opening is formed between the distal end portions of the valve body. The beverage in the container can flow out. That is, the mouth portion of the container can be shifted from the closed state to the open state where it can be drunk by a simple operation that can be performed with one hand of pressing the pressing specific portion radially inward.

According to a preferred aspect of the present invention, the base portion of the valve body is joined to the inner peripheral surface of the flow path in the drinking mouth portion.
According to such a configuration, when the pressing specific portion is pressed radially inward, the valve body can be deformed with a smaller force to open the flow path.

According to the other preferable aspect of this invention, the said valve body is arrange | positioned so that the said base part may be located in the said outflow port side from the said front-end | tip part.
According to such a configuration, when the pressing specific portion is pressed radially inward, the valve body can be deformed with a smaller force to open the flow path.

According to the other preferable aspect of this invention, the said valve body is arrange | positioned so that the said front-end | tip part may be located in the said outflow port side from the said base.
According to such a configuration, when the pressing specific portion is pressed radially inward, the valve body can be deformed with a smaller force to open the flow path.

According to the other preferable aspect of this invention, the said valve body is comprised so that the said base part may be arrange | positioned in the radial direction inner position of the said press specific part.
According to such a configuration, since the “root” of the valve body is pressed when the pressing specific portion is pressed radially inward, the flow path can be opened by deforming the valve body with a smaller force.

According to another preferable aspect of the present invention, two straight grooves are respectively provided in the base of the outlet side surface of each valve body, and the grooves are formed in the flow path in the plan view in the valve body. Is arranged so as to form a quadrangle close to the.
According to such a configuration, since the valve body is easily deformed, the flow path can be opened by deforming the valve body with a smaller force.

According to another preferred aspect of the present invention, the groove in the major axis diameter direction is provided on at least one surface of the valve body.
According to such a configuration, since the valve body is easily deformed, the flow path can be opened by deforming the valve body with a smaller force.

According to the other preferable aspect of this invention, the outer surface of the said insertion part is tapering toward the front-end | tip of the said insertion part.
According to such a configuration, the beverage container can be easily inserted into the mouth.

According to the other preferable aspect of this invention, the said press specific part is a processus | protrusion.
According to such a configuration, pressing becomes easy.

According to the other preferable aspect of this invention, the collar part extended toward the front-end | tip of the said drinking mouth from the said protrusion is provided in the outer peripheral surface of the said drinking mouth part.
According to such a configuration, the pressing force when the projection is pressed is efficiently transmitted to the valve body via the drinking mouth portion and the insertion portion, and the flow path can be reliably opened.

  ADVANTAGE OF THE INVENTION According to this invention, it is a drinking mouth attached to the mouth part of beverage containers, such as a PET bottle, Comprising: The drinking mouth which can switch a closed state and an open state of a flow path by simple operation by one hand is provided. .

Hereinafter, a drinking mouth of a preferred embodiment of the present invention will be described with reference to the accompanying drawings.
FIG. 1 is a perspective view of a drinking mouth 1 according to a preferred embodiment of the present invention, and FIG. 2 is a plan view of the drinking mouth 1. The drinking mouth 1 is a cylindrical drinking mouth used by being inserted into a beverage container mouth portion having a circular cross section such as a plastic bottle. As shown in FIG. 1, the drinking mouth 1 includes an insertion portion 2 that is inserted into the container mouth portion, and a drinking mouth portion 4 that forms an outlet that allows the beverage in the container to flow out.

  The insertion portion 2 has an oval contour shape having a major axis diameter and a minor axis diameter, and has a cylindrical shape tapered toward the tip. As described above, since the insertion section 2 has an oval cross-sectional profile, when inserted into a mouth having a circular cross section, such as a plastic bottle, the long axis diameter direction indicated by the alternate long and short dash line L in FIG. Will be pressed.

  The drinking mouth part 4 has a cylindrical shape integrally formed with the insertion part 2 by an elastic material and connected to the other end of the insertion part 2, and the tip constitutes a beverage outlet 4a in the container. Yes. A circular passage R having a circular cross section extending through the insertion portion 2 and the drinking mouth portion 4 integrally formed in this way is formed in the axial direction. Further, in the drinking mouth part 4, the outer diameter of the part connected to the other end of the insertion part 2 is smaller than the outer diameter of the other end of the insertion part 2.

  Furthermore, a tab 6 that is a substantially rectangular parallelepiped protrusion is provided at a boundary portion between the drinking mouth portion 4 and the insertion portion 2. Two tabs 6 are provided opposite to each other in the diametrical direction at the circumferential position of the outer peripheral surface of the drinking mouth portion 4 corresponding to the short axis diameter of the insertion portion 4 indicated by a two-dot chain line S in FIG.

  On the outer peripheral surface of the drinking mouth portion 4, an elongated eaves portion 8 having a rectangular cross section extending from the tab 6 toward the outlet 4 a is provided.

3 is a longitudinal sectional view taken along line III-III in FIG. 1, and FIG. 4 is a longitudinal sectional view taken along line IV-IV in FIG.
As shown in FIGS. 3 and 4, the drinking mouth 1 includes a valve 10 disposed in the flow path R. The valve 10 includes two plate-like valve bodies 12 and 14 having a semicircular shape in plan view and formed of an elastic material.

The two valve bodies 12 and 14 are bent along the radius at the center portion, and the base portions 12 a and 14 a are opposed to the inner peripheral surface of the flow path R in the radial direction in the drinking mouth portion 4. It is joined at the position, and the tip portions (straight portions) 12b, 14b of one valve body are in contact with the tip portion of the other valve body to close the flow path R (FIG. 2).
Further, the two valve bodies 12 and 14 are arranged such that the contact portions 12 b and 14 b extend in the short axis diameter direction of the insertion portion 2.

  Further, as shown in FIGS. 3 and 4, the two valve bodies 12 and 14 are such that the base portions 12a and 14a are located closer to the outflow port 4a than the tip portions (straight portions) 12b and 14b. Has been placed. That is, the two valve bodies 12 and 14 are disposed so as to form a hollow, substantially quadrangular pyramid shape that tapers toward the insertion portion 2.

  In the present invention, the two valve bodies are arranged such that the distal end portion (straight line portion) is located on the outlet side from the base portion, and the two valve bodies are substantially hollow and are tapered toward the outlet port. It is good also as a structure which forms a pyramid shape.

As shown in FIGS. 2 and 5, two linear V-shaped grooves 16 are provided on the upper surfaces (surfaces on the outlet 4a side) of the valve bodies 12, 14, respectively. The V-shaped grooves 16 are arranged on each side of the square so as to form an angle of approximately 90 degrees with each other in plan view. The square formed by the V-shaped groove 16 is disposed so as to be inscribed in the inner peripheral surface of the flow path, but may be disposed so as to be close to each other.
As shown in FIG. 6, which is a bottom view of the drinking mouth 1, the lower surfaces (surfaces on the insertion portion 2 side) of the valve bodies 12, 14 are tips along the long axis diameter direction of the insertion portion 2. V-grooves 18 extending in a direction orthogonal to the portions (straight portions) 12b and 14b are provided.
In this invention, you may provide a V-shaped groove in the upper surface (surface by the side of the outflow port 4a) of the valve bodies 12 and 14. FIG.
The cross-sectional shape of the V-shaped grooves 16 and 18 may be other shapes such as a semicircle, or may be a straight cut.

  In the present embodiment, the insertion portion 2, the drinking mouth portion 4, the tab 6, the flange portion 8, and the valve bodies 12 and 14 are integrally formed by injection molding an elastic material such as LLDPE (linear low density polyethylene). ing. However, other plastic materials such as elastic materials with strong sealing properties other than LLDPE, rubber, and the like can also be used. Also, the manufacturing method is not limited to injection molding.

Next, the usage method of the drinking mouth 1 is demonstrated. As shown in FIG. 7, when the drinking mouth 1 is in use, the insertion part 2 is inserted into a mouth part having a circular cross section such as a plastic bottle P with the lid removed.
As described above, since the contour shape of the insertion portion 2 is oval, when the insertion portion 2 is inserted into the mouth portion having a circular cross section, a large stress acts on the drinking mouth 1 in the long axis diameter direction of the insertion portion. To do. By this stress, the end portions 12b and 14b of the valve bodies 12 and 14 extending in the minor axis diameter (S) direction are pressed against each other, and the flow path is reliably closed (FIGS. 2, 3, and 6).
In addition, as described above, since the outer diameter of the portion connected to the other end of the insertion portion 2 is smaller than the outer diameter of the other end of the insertion portion 2, When inserted into the mouth portion, the force that presses the insertion portion 2 is transmitted to the drinking mouth portion 4, and the tip portions 12b and 14b are strongly pressed against each other.

On the other hand, when the tab 6 provided at a position facing the short axis diameter direction is pressed inward in the short axis diameter direction as shown by an arrow A in FIG. And an opening is formed between the front-end | tip parts 12b and 14b of a valve body, and the outflow of the drink in a container is attained through this opening.
As described above, since the two valve bodies are arranged so as to form a hollow, substantially quadrangular pyramid shape, the valve bodies 12 and 14 are easily deformed, and are sufficiently wide to allow the beverage to flow out. An opening is formed between the tip portions 12b and 14b of the valve body.

  Therefore, the user simply deforms the two valve bodies 12 and 14 by pressing the tabs 6 toward each other inward in the radial direction while holding the mouth of a plastic bottle or the like, and the flow path. R can be opened and the drink in the plastic bottle can be drunk through the drinking mouth 1.

  The present invention is not limited to the above embodiment, and various modifications are possible within the scope of the invention described in the claims of the utility model registration, and these are also included in the scope of the present invention. It goes without saying that it is a thing.

  For example, in the above-described embodiment, two tabs that are pressing specific portions are provided at positions facing the diameter direction of the drinking mouth portion, but only one tab may be provided. In addition, the shape of the pressing specific portion is not limited to the tab, and may be any shape as long as it can be sensed when touched by hand, for example, a concave portion.

It is a perspective view of a drinking mouth of a preferred embodiment of the present invention. It is a top view of the drinking mouth of preferable embodiment of this invention. It is a longitudinal cross-sectional view along the III-III line of FIG. It is a longitudinal cross-sectional view along the IV-IV line of FIG. It is a longitudinal cross-sectional view along the VV line of FIG. It is a bottom view of a drinking mouth of a preferred embodiment of the present invention. It is a figure which shows the usage condition of the drinking mouth of preferable embodiment of this invention. It is a bottom view in the state where the valve body of the mouth of a desirable embodiment of the present invention opened.

Explanation of symbols

1: drinking mouth 2: insertion part 4: drinking mouth part 6: tab 8: collar part 10: valve 12, 14: valve body

Claims (9)

A cylindrical drinking mouth used by inserting into a beverage container mouth having a circular cross section,
A cylindrical insertion portion formed of an elastic material, having an oval contour shape having a major axis diameter and a minor axis diameter, and a tip inserted into the container mouth portion;
A cylindrical drinking mouth portion formed of an elastic material, connected to the other end of the insertion portion, and the tip forming a beverage outlet in the container;
A flow path extending through the insertion portion and the drinking portion in the axial direction; and
A pressing specific portion provided at at least one of the positions on the outer surface of the drinking mouth corresponding to the short axis diameter of the insertion portion;
A valve disposed in the flow path,
The valve includes two valve bodies formed of an elastic material,
The two valve bodies are configured such that a base portion is joined to an inner peripheral surface of the flow path, and a distal end portion of one valve body is in contact with a distal end portion of the other valve body to close the flow path. Further, the contact portion is disposed so as to extend in the short axis diameter direction of the insertion portion, and is released when the pressing specific portion is pressed radially inward.
A drinking mouth characterized by that. The base portion of the valve body is joined to the inner peripheral surface of the flow path in the drinking mouth portion,
The drinking mouth according to claim 1. The valve body is arranged such that the base is located on the outlet side from the tip.
The drinking mouth according to claim 1 or 2. The valve body is disposed so that the tip end portion is located on the outlet side from the base portion.
The drinking mouth according to claim 1 or 2. The valve body is configured such that the base portion is disposed at a radially inward position of the pressing specific portion.
The drinking mouth according to any one of claims 1 to 4. Two straight grooves are provided in the base of the outlet side surface of each valve body,
The drinking slot according to any one of claims 1 to 5, wherein the groove is disposed so as to form a quadrangle close to the flow path in the plan view of the valve body. A groove in the major axis diameter direction is provided on at least one surface of the valve body,
The drinking mouth according to any one of claims 1 to 6. The outer surface of the insertion part is tapered toward the tip of the insertion part,
The drinking mouth according to any one of claims 1 to 7. The pressing specific part is a protrusion.
The drinking mouth according to any one of claims 1 to 8.

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