JP2001158456A - Liquid storing container and refill container for liquid storing container - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a liquid storing container and a refill container for the liquid storing container in which its inner plug can be easily removed, stored liquid can be efficiently refilled and the inner plug can be changed into a sanitary one every time the inner plug is replaced with a new one. SOLUTION: A liquid storing container is comprised of a container main body 2, an inner plug 7 and an outer cap 18. An upper outer surface of a port 3 of the container main body is provided with an engaging protuberance 5. A plurality of upward engagement protrusions 6 are spaced apart by a predetermined space at an interface position between the upper and lower segments of the port. The inner surface of the inner plug is provided with an engagement protuberance 5 and an engagement projection 11 engaged when the inner plug is installed. The lower end of the inner plug is provided with an engagement protuberance 13 engaged when the engagement protrusions 6 and the inner plug are installed, wherein the inner plug is turned in a circumferential direction when the inner plug is removed, ridden over the engagement protuberances to lift up the inner plug and the engaged state of both engagement protuberances is released.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a liquid storage container for storing a liquid such as a cosmetic liquid, and a refill container (refill container) used for refilling a new liquid when the liquid stored in the container is exhausted. It is about.

[0002]

2. Description of the Related Art Conventionally, this type of liquid storage container has an inner plug attached to the mouth thereof, but the inner stopper is fitted into the opening of the container body from the inside and press-fitted. Most were fitted by fitting. Therefore, when refilling the stored liquid or the like without easily removing the inner plug, the operation is difficult. Therefore, when the stored liquid has run out, it is often the case that a new liquid storage container is used instead of refilling with a new liquid, which is wasteful. Also, although the work is complicated, it is not impossible to remove the inner plug and use a dropper to fill the liquid container with new liquid, but in this case, attach the same inner plug again after filling. There is also a problem that if the inside plug is dirty, it is not hygienic.

[0003]

SUMMARY OF THE INVENTION The present invention solves the above-mentioned conventional problems, in which the inner plug can be easily removed, the stored liquid can be efficiently refilled, and the inner plug is refilled. It is an object of the present invention to provide a liquid storage container and a refill container for the liquid container, which can be replaced with a new one every time and can be made sanitary.

[0004]

In order to achieve the above object, a liquid container according to the first aspect of the present invention comprises a container main body, an inner plug attached to an opening of the container main body, and the inner plug. With an outer cap that covers and is attached to the mouth of the container body,
A screw is formed on the lower outer surface of the mouth of the container body, a locking projection is provided on the upper outer surface, and a plurality of upward engaging projections are circumferentially provided at upper and lower boundary positions of the mouth, Provided at predetermined intervals, the inner projection of the inner plug is provided with the locking projection and a locking projection for locking when the inner plug is mounted, and the lower end of the inner plug has an engaging projection and the inner plug. Engage when wearing,
When the inner plug is removed, the inner plug is rotated in the circumferential direction, the engaging protrusion is ridden, and the inner plug is lifted to release the engagement of both the locking projections. A female screw to be screwed with the screw is formed on the inner surface of the. In the liquid container according to a second aspect of the present invention, in the first aspect, the inner plug is provided concentrically with an inner cylinder having a diameter capable of being fitted into the mouth of the container body from the inside, and outside the inner cylinder. A locking projection is provided on the inner surface of the outer cylinder, and an engagement projection is provided at a lower end of the outer cylinder. According to a third aspect of the present invention, in the liquid container according to the second aspect, a knurl is formed on an outer surface of the outer cylinder of the inner plug.

According to a fourth aspect of the present invention, a refill container for a liquid storage container is used for refilling a new liquid when the liquid stored in the liquid storage container according to any one of the first to third aspects is exhausted. Container
The liquid storage container includes a container main body having an opening having a size that can be inserted into the opening of the container main body, and a container main body capable of pushing out the liquid stored therein by pressing the container main body. A sealing seal is adhered so as to cover the opening, and a replacement inner plug having the same structure as the inner plug that can be mounted on the mouth of the liquid storage container from above the seal is mounted. . The refill container for a liquid storage container according to the invention of claim 5 is characterized in that, in claim 4, the inner cylinder of the plug during replacement is fitted into the mouth of the container body from the outside.

[0006]

An embodiment of the present invention will be described with reference to the drawings. 1 is a partially cutaway front view of the liquid storage container, FIG. 2 is an exploded front view of a mouth portion of a container body of the liquid storage container and an inner plug attached thereto, and FIG. 3 is an enlarged view of a portion A in FIG. . Reference numeral 1 denotes a liquid storage container made of synthetic resin. The liquid storage container 1 includes a container main body 2 for storing a cosmetic liquid therein. The mouth 3 of the container body 2 is formed such that the thickness of the upper half is thinner than the thickness of the lower half, and the outer surface of the lower half has an external thread 4.
Are formed. A locking projection 5 is provided on the upper end of the outer surface of the upper half.
Are formed in an annular shape. A plurality of engaging projections 6 are provided on the upper surface of the lower half, which is a boundary position between the upper half and the lower half, at predetermined intervals in the circumferential direction. These engaging projections 6 have a substantially triangular shape upward, the upper end of which is located at about a half of the dimension up to the locking projection 5, and the outer surface thereof is located outside the outer surface of the lower half. The thickness does not protrude. Inner plug 7 in upper half of mouth 3
Is installed.

The inner plug 7 has an inner cylinder 8 having a diameter that can be fitted into the mouth 3 of the container body 2 from the inside, and an outer cylinder 9 provided concentrically outside the inner cylinder on the lower surface of the top wall 10. Have. At the upper part of the inner surface of the outer cylinder 9, a locking projection 11 is provided in an annular shape to be locked with the locking projection 5, and at the lower end of the outer cylinder 9 below the locking projection, the engaging projection 6 is mounted. At the same time, and at the time of removal, the inner plug 7 is rotated in the circumferential direction to ride on the engaging projection 6 and lift the inner plug 7, thereby releasing the locking of the locking projections 5 and 11. A collision portion 13 is provided. The engagement protrusion 13 has a downwardly substantially triangular shape, and is provided in a plurality in the circumferential direction. The lower end of the engagement protrusion 13 is located below the lower end of the inner cylinder 8. A small extraction port 15 is provided at the center of the top wall 10 so that the stored liquid is not vigorous. On the outer surface of the outer cylinder 9, there is formed a knurled eye 16 having a flat shape and a vertical orientation. The knurls 16 are provided to facilitate rotation in the circumferential direction when the inner plug 7 is removed. Reference numeral 18 denotes an outer cap, which is fitted to the mouth 3 by covering the inner plug 7 when not in use, and is mounted by screwing a screw 19 with the male screw 4 to be provided on the inner surface thereof. Reference numeral 20 denotes a seal member mounted on the lower surface of the outer cap 18,
At the time of mounting, the extraction port 15 of the inner plug 7 is closed.

In the liquid container 1 having the above-described structure, when it becomes necessary to remove the inner plug 7 due to refilling of the stored liquid or the like, first, the outer cap 18 is unscrewed from the female screw 19 and the male screw 4. And remove it. Thereafter, when the inner plug 7 is rotated in the circumferential direction, the engaging protrusion 13 provided at the lower end of the inner plug 7 is provided at the mouth portion 3 and the engaging protrusion 6 engaged with this is provided.
The inner plug 7 is lifted by this riding, and the locking projection 11 is disengaged from the locking projection 5. As a result, the inner plug 7 is disengaged from the mouth 3, so that the refilling liquid can be stored at any time thereafter from the mouth 3. After the refilling is completed, the inner plug 7 may be fitted again toward the mouth 3 of the container body 2 as shown in FIG.
Is engaged between the engagement protrusions 6 of the mouth 3 and the engagement protrusions 6 are engaged with each other, so that the locking projections 11 are locked to the locking projections 5, and the mounting is completed. Then, the outer cap 18 may be attached.

FIGS. 4 and 5 show a refill container (refill container) in which a new liquid is stored for refilling when the liquid in the liquid storage container 1 is exhausted. The refill container 31 is made of synthetic resin and is refillable. At this time, the container body 32 includes a container body 32 which can extract the liquid contained therein by pressing the body expanded in a tube shape to the outside from the mouth portion 33, and when extracted, wilts into a sheet shape. At the upper end opening of the container body 32, a container form holding portion 34 integrally formed with the mouth portion 33 is provided in a sealed manner. The container main body 32 is formed in a substantially elliptical shape when viewed from a plane, and the mouth portion 33 is formed in a circular cross section. The outer diameter of the mouth portion 33 is formed to a size that can be inserted into the mouth portion 3 of the liquid container 1, and the distal end portion is formed in a small diameter portion 35 as shown in detail in FIG. A sealing seal 36 is adhered to the small-diameter portion 35 so as to cover the opening of the mouth portion 33 so that the knob 36a is bent and positioned on the outer surface of the small-diameter portion 35. A stopper 37 is attached to the mouth 33 so as to cover the sealing seal 36 during replacement. The replacement stopper 37 has the same structure as the stopper 7 of the liquid container 1, and can be attached to the mouth 3 by replacing the stopper. The same parts of the replacement inner plug 37 as those of the inner plug 7 are denoted by the same reference numerals, and the description thereof will be omitted. The inner plug 37
The inner cylinder 8 is fitted into the mouth portion 33 from the outside in the case of the mounting.

In the above, when it is necessary to refill the liquid in the liquid container 1, first, the plug 37 during the replacement is removed. Thereafter, the sealing seal 36 is peeled off from the opening of the mouth 33, and the mouth 33 is inserted into the mouth 3 of the container body 2 of the liquid container 1 as shown in FIG. Then, the liquid inside is pushed out from the mouth portion 33 and put into the container body 2. Thus, the liquid in the liquid storage container 1 is refilled. After the refilling, the replacement middle plug 37 removed from the mouth 33 of the refill container 31 as described above is engaged with the mouth 3 of the container main body 2 of the liquid storage container 1 in the same manner as when the inside stopper 7 is attached. The projections 13 and 6 are fitted so that the projections 13 and 6 are engaged with each other and the projections 11 and 5 are locked. In this way, a new inner plug 37 is attached to the mouth portion 3 of the refilled liquid container 1, while the inner plug 7 that has been used and becomes dirty at that stage can be disposed of at that stage. The problem of is gone.

The liquid storage container 1 and the refill container 31 shown in this embodiment are merely examples, and it goes without saying that the design of the detailed configuration can be changed as appropriate upon implementation. The same applies to the specific configuration of the inner plugs 7 and 37 configured to be commonly attached to the mouth portions 3 and 33 of both containers 1 and 31.

[0012]

According to the first to third aspects of the present invention, since the inner plug can be easily removed by rotating the inner plug in the circumferential direction, the stored liquid can be more efficiently than the conventional one. Can be refilled. The invention according to claims 4 and 5 has a replacement inner plug that can be attached to the mouth of the liquid storage container, so that the inner plug of the liquid storage container is replaced with a new one each time it is refilled to make it sanitary. There is an excellent effect that can be.

[Brief description of the drawings]

FIG. 1 is a partially cutaway front view of a liquid container according to an embodiment of the present invention.

FIG. 2 is an exploded front view of a mouth of the container body and an inner plug attached to the mouth of the same.

FIG. 3 is an enlarged view of a portion A in FIG. 1;

4A and 4B show a refill container used in the liquid storage container of the above, wherein FIG. 4A is a plan view, FIG. 4B is a vertical sectional front view, and FIG. 4C is a vertical sectional side view.

FIG. 5 is an enlarged view of a portion B in FIG. 4 (B).

FIG. 6 is an explanatory diagram of a refilling operation.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Liquid storage container 2, 32 Container main body 3, 33 Mouth part 4 Male screw 5, 11 Locking protrusion 6, 13 Engagement protrusion 7 Inner plug 8 Inner cylinder 9 Outer cylinder 10 Top wall 15 Extraction port 18 Outer cap 19 Screw 31 Refill container 36 Hermetic seal 37 Replacement plug

Claims (5)

[Claims] 1. A container body, comprising: a container body; an inner cap attached to a mouth of the container body; and an outer cap which covers the inner plug and is attached to a mouth of the container body. A screw is formed on the lower outer surface of the portion, a locking protrusion is provided on the upper outer surface, and a plurality of upward engaging protrusions are circumferentially provided at the upper and lower boundary positions of the mouth at predetermined intervals. Provided in
An inner surface of the inner plug is provided with a locking projection and a locking projection for locking when the inner plug is mounted, and is engaged with a lower end of the inner plug when the engaging projection and the inner plug are mounted. At the time of removal of the plug, an engagement projection is provided which rotates the inner plug in the circumferential direction, rides on the engagement projection and lifts the inner plug to release the engagement of the two engagement projections, A liquid container, wherein a female screw for screwing with the male screw is formed on an inner surface of the outer cap. 2. The inner plug has an inner cylinder having a diameter that can be fitted into the mouth of the container body from the inside, and an outer cylinder provided concentrically outside the inner cylinder, and an inner surface of the outer cylinder. Is provided with a locking projection,
2. The liquid container according to claim 1, wherein an engagement projection is provided at a lower end of the outer cylinder. 3. The liquid container according to claim 2, wherein knurls are formed on the outer surface of the outer cylinder of the inner plug. 4. A container used when refilling a new liquid when the liquid stored in the liquid storage container according to any one of claims 1 to 3 is exhausted,
The liquid storage container includes a container main body having an opening having a size that can be inserted into the opening of the container main body, and a container main body capable of pushing out the liquid stored therein by pressing the container main body. A sealing seal is adhered so as to cover the opening, and a replacement inner plug having the same structure as the inner plug which can be mounted on the mouth of the liquid storage container from above the seal is mounted. Refill container for liquid storage container. 5. The refill container for a liquid storage container according to claim 4, wherein the inner cylinder of the plug during replacement is fitted into the mouth of the container body from the outside.