JP2000142754A - Inner plug for container - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an inner plug for a container which can adjust the outflow of a liquid to an appropriate amount and can quickly refill the liquid. SOLUTION: In an inner plug body 10 provided at a mouth 12a of a container 12 for discharging a liquid at an appropriate flow rate, an outlet hole 16 corresponding to a predetermined outflow amount is formed in the inner plug body 10, and The connection between the inner plug 10 and the container 12 is formed in a screw shape (threads 20 and 24).
The outer peripheral surface of the connecting portion 14 is provided with a grip portion having a vertical width that can be gripped by a finger, and these connecting portions are screwed or the like so that the inner plug 10 and the container 12 are detachably connected. The structure has

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a liquid containing a detergent, a liquid bleach, a shampoo, a rinse, or a softener, a soft drink, or a liquid seasoning for clothing, kitchen, bath, etc. In a container that can be used by dispensing an appropriate amount of liquid such as a liquid while controlling the dispensing amount, the mouth of the container can be refilled or refilled quickly and smoothly from a bag-shaped container containing a new liquid. The present invention relates to an inner plug for a container provided in a container.

[0002]

2. Description of the Related Art Conventionally, a container for containing a liquid such as a detergent has
Containers suitable for the liquid content and use are manufactured depending on the type and use of the liquid to be stored, such as liquid clothing detergents, kitchen detergents, bath detergents, and liquid bleaching agents. However, the above-mentioned various containers increase the manufacturing cost and, when disposable, are liable to become garbage that takes up a bulky place on the user side. Therefore, liquid products that are stored in bag-like containers such as pouches, which are low-cost and easy to dispose of as liquids, are sold for refilling, and users use the same liquid as the previous liquid. Can be used by refilling the empty container used to purchase and use the refill product.

[0003]

When the liquid is filled in the container, the larger the diameter, the better the filling efficiency. However, when the liquid is used, the liquid flows out at once and is difficult to use. In order to control the flow and make it easier to pour, an inner stopper is provided at the mouth of the container. In particular, in order to safely discharge liquid that has a problem if it comes into contact with the surroundings or the human body after being discharged from a bottle such as a liquid bleach at a stretch, it is known to attach an inner plug body with a restricted outflow path (liquid passage hole). Have been. However, the conventional inner plug body controls the outflow of the liquid by forming the liquid passage hole. On the other hand, when the liquid is refilled, the opening area of the passage hole is too small for the inflow of the liquid. The result is that the inflow is reduced and refilling takes too long.

[0004] The present invention has been made to solve the above-mentioned problems, and an object of the present invention is to provide an inner plug for a container which can adjust the outflow of liquid to an appropriate amount and can quickly refill the liquid. And

[0005]

The present invention has the following arrangement to solve the above-mentioned problems. The invention according to claim 1 is an inner plug body provided at the mouth of a container to allow a liquid to flow out of the container at an appropriate flow rate, wherein the inner plug body has an outflow hole corresponding to a predetermined outflow amount. The connection point between the inner plug and the container is formed detachably, and the outer peripheral surface of the connection point of the inner plug is provided with a grip portion having a vertical width that can be gripped by a finger. It is an inner plug for a container. The invention according to claim 2 is that the connection portion between the inner plug and the container is such that a protrusion formed on one of the inner plug body side and the container side is engaged with a protrusion formed on the other side, The inner plug for a container according to claim 1, wherein the inner plug and the container are fitted and released by relative rotation between the inner plug and the container.
In the invention according to claim 3, the grip portion has a vertical width of 3 mm to 10 mm.
The inner plug for a container according to claim 1 or 2, wherein the inner plug has a diameter of 1 mm. The invention according to a fourth aspect is the inner plug for a container according to any one of the first to third aspects, wherein the grip portion is protruded from a surface around the grip portion.

According to the present invention, since the inner plug is provided at the mouth of the container and the outlet is formed, if the mouth is directed downward, an optimum flow rate can be obtained without flowing out a large amount from the outlet at once. Can drain the liquid. On the other hand, the connecting portion between the inner plug and the container is formed to be detachable, and these connecting portions have a structure in which the connecting portions are detachably connected by fitting or the like. Since it has a grip portion with a width sufficient for removing the inner plug, the inner plug can be easily removed from the container at the time of liquid refilling, so that the container mouth is open without the inner plug. It can be refilled efficiently. As described above, at the time of outflow, only the flow rate suitable for use flows out of the outflow hole, while at the time of liquid refilling, the inner plug can be easily removed from the container, and it is easy to open from the opening of the container mouth. The liquid can be poured into the container. Further, the connecting portion between the inner plug and the container is such that a convex portion or groove formed on one of the inner plug or the container is engaged with a convex portion formed on the other, and the inner plug and the container are connected. The structure is such that it is fitted and released by relative rotation of the inner plug, so that the inner plug can be attached and detached simply by rotating the inner plug with respect to the container, and the inner plug can be easily attached to and detached from the container. In addition, the grip portion has a vertical width of 3 mm to 10 mm.
If it is set to mm, the width is such that a person can firmly hold it with his / her finger, and it is easy to hold and hold the holding unit with his / her finger and to perform the attaching / detaching operation. In addition, if the grip portion is made to protrude from the surrounding surface, the protruding grip portion is easily pinched and the attaching / detaching operation is further facilitated.

[0007]

Embodiments of the present invention will be described below in detail with reference to the drawings. FIG. 1 is an explanatory diagram of a configuration in which an inner plug 10 according to each embodiment of the present invention is provided in a refill container 12, and FIG. 2 is a structural explanatory diagram of the inner plug 10 attached to the container 12.

As shown in FIG. 1, it is appropriate for the container 12 to be a resin molded bottle having such a rigidity that the shape of the container 12 can be maintained between the upright state and the state in which the mouth 12a is held down by the user. . The inner plug 10 is for allowing the liquid to flow out of the container 12 at an optimum flow rate, and is attached to the distal end portion of the mouth 12 a having a smaller diameter than the main body of the container 12.

As shown in FIG. 2, the inner plug 10 has a generally cup-like shape having a cylindrical side surface and a closed bottom, and an open top 10a has a container opening 12a.
It is exposed to the outside, the bottom 10b is located inside the container 12, and the inner plug 10 is placed around the top 10a around the mouth 12 of the container 12.
A connection portion (an example of a connection portion of the inner plug) 14 that is detachably connected to a is provided. The outer surface of the connecting portion 14 of the inner plug 10 is a grip portion having a vertical width that can be gripped by a finger, and a preferable vertical width of the grip portion is 3 m.
m to 10 mm. In addition, a slit (outflow hole) 16 corresponding to a predetermined outflow amount is formed in the inner plug 10.
It is formed vertically long in the middle of c.

In this embodiment, as shown in FIG. 2, each connection point between the inner plug 10 and the container mouth 12a has a thread shape (female thread 20, male thread 24: convex, An example of a ridge is formed, and these connection portions are fitted and released by screwing, and the inner plug 10 and the container 12 are detachably connected. That is, the inner plug 10
The connecting portion 14 formed on the top portion 10a of the base member has a flange portion 14a projecting radially from the top 10a opening in a shelf shape,
The side portion 10 extends downward from the tip of the flange portion 14a.
and a substantially cylindrical threaded portion 14b surrounding it with an interval 18 therebetween, and the flange portion 14a and the threaded portion 14b have a substantially L-shaped cross section. A female thread 20 is formed on the inner peripheral surface of the screwed portion 14b, and the outer peripheral surface protrudes from the outer peripheral surface of the surrounding container mouth 12a. In addition, a protrusion 10d that opens in a trumpet shape is formed upward from the upper surface of the flange portion 14a.
An annular projection 14c is formed on the entire periphery of the lower surface of the flange portion 14a so as to protrude downward and hits the tip end surface of the container mouth 12 when the connecting portion 14 is screwed and keeps watertight. This annular projection 14c may be integrated or a separate packing.

The distal end of the container mouth 12a has a stepped portion 2
6 is formed to have a smaller diameter than the central portion, and a male thread 24 is formed on the outer peripheral portion of the small-diameter portion 22. The inner plug 10 is inserted into the container mouth 12a and the connection portion 14 is inserted.
Is screwed into the small-diameter portion 22, the threads 20 and 24 at the connection points are screwed together, and the inner plug 10 is placed in the container 1.
2 can be screwed together if rotated in a predetermined direction (eg, clockwise rotation), and removed if rotated in the opposite direction (eg, counterclockwise rotation).
Although the structure is such that it is detachably connected, the structure may be such that the direction of the screw is reversed and the screw can be removed by clockwise rotation. The lower end of the threaded portion 14b of the connecting portion 14 comes into contact with the upper surface of the stepped portion 26 so that it can be attached to the mouth 12a. Also, as shown in FIG. 1, the container mouth 12a
When the liquid is not taken in and out of the container 12, the cap 28 is covered from above with the inner plug 10 attached. In order to detachably attach the cap 28 to the mouth 12a, a thread 30 is formed around the outer periphery of the container mouth 12a.
Can be formed on the inner periphery of the cap 28, respectively. In this case, the screw of the cap 28 and the inner plug 10
When the opening and closing direction (rotation direction) of the screw is reversed, the cap 2
The inner plug 10 does not come off together when the 8 is removed.
Also, snap (friction) one of both mating methods
If a different fitting structure is used, such as changing to a fitting method or the like, the movement of opening and closing the cap 28 and the movement of opening and closing the inner plug 10 are not the same, and can be prevented from opening and closing together.

According to the container 12 provided with the inner plug 10 of the embodiment, as shown in FIG. 3A, the inner plug 10 is provided at the container mouth 12a and a slit (outflow hole) 16 is formed. Therefore, if the mouth 12a is directed downward, a predetermined amount of liquid can flow out from the slit 16.

On the other hand, the corresponding connecting portion 14 and the small-diameter portion 22 of the inner plug 10 and the container 12 are formed in a screw shape (20, 24). It has a structure in which the plug 10 and the container 12 are detachably connected. Therefore, as shown in FIG. 3B, the inner plug 10 can be removed from the container 12 by removing the screw connection, whereby the container mouth 1 can be opened without the inner plug 10. As described above, at the time of outflow, the slit 16
From the container at the optimal flow rate without flowing out at the same time, on the other hand, at the time of liquid refilling, the inner plug can be easily removed from the container, and the amount that can be poured increases, so the container opening 12a opened from The liquid stored in the refill pouch or the like can be easily poured into the container 12.

The structure in which the inner plug is detachably screwed to the container is structured such that it has an L-shaped cross section and is screwed and locked to the container mouth from above, as in the structure of the connection portion. Outside,
Various configurations are possible. As shown in FIGS. 4 (a) and 4 (b), an L-shaped ridge 32 in a side view may be provided at one of the connection points of the inner plug or the container.
A structure in which the groove 34 is formed and the protrusion 36 is formed on the other side, and the protrusion is locked in the protrusion 32 and the groove 34 and fitted and released by relative rotation can be adopted. In addition, the connection portion may be a friction fit between surfaces or an undercut fit between a convex ring (rib) and a groove. Further, the grip portion (see the threaded portion 14b in FIG. 2) may be formed of a surface protruding from its periphery so that the vertical width of the grip portion can be easily gripped when the connection portions are fitted or released. It will be easy to put on and take off. Also,
The grip on the outer peripheral surface of the connecting portion 14 has a vertical width of 3 mm to 10 mm.
mm, the width is such that it can be firmly gripped with a finger, and it is easy to hold and hold the gripping portion with a finger for detachable operation. Further, by forming a rib or a knurl in the longitudinal direction on the outer peripheral surface of the grip portion, the inner plug can be easily turned, and the attaching / detaching operation can be more easily performed.

[0015]

As described above, according to the first aspect of the present invention, at the time of outflow, the liquid can flow out of the outflow hole at an optimum flow rate without flowing out at one time. The stopper can be easily removed from the container,
The liquid can be easily poured into the container from the opened container mouth. According to the second aspect of the present invention, since the inner plug is fitted and released by relative rotation between the inner plug and the container, the inner plug can be attached and detached only by rotating the inner plug with respect to the container. It is easy to attach and detach the inner plug to the container. According to the third aspect of the present invention, the width of the grip is easy for a person to pinch with a finger, and the grip is easy to hold and hold. According to the fourth aspect of the present invention, the gripping portion protrudes from the surrounding surface and the gripping portion is easily pinched, so that the attaching / detaching operation is further facilitated.

[Brief description of the drawings]

FIG. 1 is an explanatory diagram of a configuration in which an inner plug according to each embodiment of the present invention is provided in a refill container.

FIG. 2 is an explanatory diagram of a structure of an inner plug according to the first embodiment.

FIGS. 3A and 3B are explanatory views of a container equipped with an inner plug when a liquid is poured out and FIG. 3B when a liquid is refilled.

FIGS. 4A and 4B are explanatory diagrams of modified examples of connection portions.

[Explanation of symbols]

 Reference Signs List 10 inner plug 10a inner plug opening 10b inner plug bottom 12 container 14 connecting part 16 slit (outflow hole) 20, 24 thread

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Yohei Saito 1-3-7 Honjo, Sumida-ku, Tokyo Inside Lion Corporation (72) Inventor Teru Matsumoto 1-3-7 Honjo, Sumida-ku, Tokyo Inside Lion Corporation (72) Inventor Yuri Iino 1-37 Honjo, Sumida-ku, Tokyo F-term inside Lion Corporation (reference) 3E062 AA09 AB01 AB02 AC02 KA04 KB02 KB17 KC01 KC10 3E084 AA04 AA12 AA24 AB01 BA03 CA01 CB02 DA01 DB12 EA03 EB02 FA09 FB01 FB08 GA02 GA04 GB02 GB04 HA03 HB02 HD01 KA18 KB01 LA17 LB02 LD01

Claims (4)

[Claims] 1. An inner plug provided at the mouth of a container to allow a liquid to flow out of the container at an appropriate flow rate, wherein the inner plug has an outlet hole corresponding to a predetermined outflow amount. The connection point between the stopper and the container is formed to be removable,
An inner plug for a container, comprising a grip having a vertical width that can be gripped by a finger on an outer peripheral surface of a connection portion of the inner plug. 2. The connection between the inner plug and the container is such that a ridge or a groove formed on one of the inner plug or the container is engaged with a convex portion formed on the other. The inner plug for a container according to claim 1, wherein the inner plug is configured to be fitted and released by relative rotation between the body and the container. 3. The grip portion has a vertical width of 3 mm to 10 mm.
The inner plug for a container according to claim 1 or 2, wherein: 4. The inner plug for a container according to claim 1, wherein the grip portion is protruded from a surface around the grip portion.