JPH07291281A - Refill of liquid - Google Patents

Abstract

PURPOSE:To relax the precision with which inner and outer containers are fitted with each other and make it easy to set a refill in place relating to a set of containers for a refill of liquid. CONSTITUTION:The subject relates to a device comprising an inner container 2, shoulder cover 3, and outer container 1. The inner container 2 has fastening projections 6, 6 on the peripheral end of a shoulder part 5 of a bottomed elliptic bottle, guide pieces 8, 8 on the lower part of its neck erected on the shoulder part 5, and a lid 10 which is fitted on the neck. The shoulder cover 3 has a through hole 11 through which the lid 10 is passed and stoppers 12, 12 projecting as catches for the guide pieces 8, 8 and on the lower side an elliptical, sloping peripheral wall 13 whose outer side slopes inward with descent. The outer container 1 has on the inner wall of its bottomed, elliptical, tubular body 14 projections 15, 15 which, when the inner container 2 is held inside, engage with fastening projections 6, 6 on the inner container 2; the sloping peripheral wall 13 of the shoulder cover 3 is fitted inside the rim 16 of the outer container 1. The inner container 2, shoulder cover 3, and outer container 1 can freely be put together and taken apart among the three.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a refill container for liquid such as lotion and liquid shampoo.

[0002]

2. Description of the Related Art Containers have been refilled in order to save resources and reduce pollution while maintaining a high quality appearance, and to supply them at low cost. One of such containers
As an example, there is the invention of Japanese Patent Publication No. 4-24045 shown in FIG. As shown in the vertical cross-sectional view of FIG. 6, this container is filled with the cosmetics itself in an inner container 52 called a refill container, and when used, it is attached to an outer container 51 excellent in design and practical use. The inner container 5
When the cosmetic product 2 is used up, the inner container 52 filled with new cosmetic product is replaced with the outer container 5 instead of the empty inner container 52.
The outer container 51 can be used repeatedly after being mounted on the first container 1.

The liquid refill container according to the present invention is configured such that the outer container 51 having the decorative cover 51a is removably positioned and mounted, and the inner container 52 is housed therein.
1, the shoulder cover 53 is screwed onto the outer container 51, the opening 52b of the inner container 52 is projected from the central insertion opening of the shoulder cover 53, and the cap 54 is screwed onto the opening 52b. It is designed to fit in concave and convex. The outer container 51 and the inner container 52 are provided with a plurality of concavo-convex lines or wide concave grooves or convex lines for positioning and fitting with each other in order to prevent mutual rotation and rattling in the circumferential direction (not shown). A structure is provided in which the shoulder cover 53 and the outer container 51 are provided with a threaded portion to be fitted to each other, and the inner and outer containers 52, 51 and the shoulder cover 53 are integrally coupled and mounted to prevent rattling up and down. It has become.

The above-described structure of the liquid refill container is a structure in which the inner container and the outer container are closely fitted, and is intended only to allow the inner container to be replaced, and facilitates the replacement work and makes the container. Ease and diversification of design are not given much consideration.

[0005]

SUMMARY OF THE INVENTION The problem to be solved by the present invention is to solve the following problems which have not been paid much attention to in the prior art liquid refilling container only for the purpose of replacing the inner container. is there. −. In order to attach and detach the shoulder cover from the outer container, it is necessary to remove the cap from the inner container, which is a poor operability in replacement work. −. Since the outer container and the shoulder cover are screwed together, it takes time to attach and detach the shoulder cover. −. Since the upper and lower parts of the inner container are sandwiched between the shoulder cover and the bottom of the outer container, there is a gap under the shoulder cover depending on the user's tightening condition, which may impair the aesthetics and, on the contrary, excessively tightening the inner container may result Therefore, high dimensional accuracy is required in manufacturing. −. Since the structure is such that the outer container and the inner container are directly held in the fitted state, in order to fit and remove the inner container, in addition to the attachment and detachment of the shoulder cover, individual operations such as fitting and removing between the outer container and the inner container are performed. The above precautions are necessary and therefore the operability is poor. −. Since the shoulder cover and the outer container are screwed together to attach and detach, the degree of freedom in design is poor. The present invention has been made to solve this problem in view of the above problems.

[0006]

According to the invention of the present application, a pair of engaging projections are provided so as to sandwich a center at a peripheral edge of a shoulder portion of a body portion having an elliptic cylinder with a bottom. A pair of guide pieces are provided so as to sandwich the center of the lower part of the neck portion erected on the shoulder portion, and an inner container made of a bottle body having a lid fitted to the mouth portion of the neck portion and an insertion member penetrating the lid. A flange-shaped shoulder cover having a mouth and a pair of stoppers engaging with the guide piece and protruding from the lower surface of the flange, and having an elliptical inclined peripheral wall whose outer surface is inclined inward and downward. And a pair of projecting pieces that engage with the engaging projecting pieces of the inner container are projected on the upper inner wall surface of the bottomed elliptic cylindrical body accommodating the inner container, and the shoulder part is formed on the mouth portion. An outer container in which the inclined peripheral wall of the cover is fitted, and the inner container, the shoulder cover and the outer container are detachable from each other. , Characterized in that it has been fixed on.

[0007]

[Function] Fills fluids such as lotion and liquid shampoo,
The neck portion of the inner container having the above-mentioned structure fitted therein is inserted into the insertion opening of the shoulder cover from below the shoulder cover, and the shoulder cover and the inner container are twisted by a small angle in the tightening direction. Then, the pair of guide pieces protruding below the neck of the inner container and the pair of stoppers provided on the shoulder cover are engaged with each other at the positions in the minor axis direction, so that the shoulder cover and the inner container are easily fixed. Then, the inner container to which the shoulder cover is fixed is placed in the mouth portion of the outer container, and by inserting and pressing downward, a pair of engaging protrusions projecting on the peripheral end of the shoulder portion of the inner container is formed. A pair of projecting pieces projectingly provided on the upper inner wall of the outer container cylinder is passed over and engaged. As a result, the inner and outer containers are prevented from coming off, and the inclined peripheral wall of the shoulder cover fits inside the mouth of the outer container, and the shoulder cover covers the open end of the outer container to fix each part as a whole and to serve as a liquid pouring container. used.

When the content liquid is used up and replaced with an inner container filled with a new content liquid, the outer container is pressed with fingers and the shoulder cover is slightly twisted with respect to the inner container. Then, the elliptical slanted peripheral wall, which is on the lower surface of the shoulder cover and is fitted in the mouth portion of the outer container, rises to the upper end of the mouth portion of the outer container while rotating against the inner wall of the mouth portion of the outer container. Since the inner container fixed to the shoulder cover also rises due to the rise of the shoulder cover, the inner container and the outer container are disengaged and can be freely removed. At the same time, since the inner container is not rotatable with respect to the outer container, the shoulder cover and the inner container are disengaged from each other by the rotation of the shoulder cover, and the mutual fixing of the outer container, the shoulder cover and the inner container is released. . Remove the shoulder cover from the neck of the inner container, pull out the inner container from the outer container, and replace with a new inner container.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of the present invention will be described below with reference to the accompanying drawings. 1 is an exploded perspective view of the liquid refill container of the present invention, FIG. 2 is a perspective view of the shoulder cover 3 as seen from the back side, FIG. 3 is a plan view, and FIG. 4 is as seen from the direction AA of FIG. FIG. 5 is a vertical sectional view as seen from the direction BB of FIG. 3, 1 is an outer container, 2 is an inner container, and 3 is a shoulder cover.

The inner container 2 includes a body 2 having an elliptic cylindrical shape with a bottom, a shoulder portion 5, and a neck portion 7 standing upright in the center of the shoulder portion 5 and an opening portion of the neck portion 7. Lid 10 fitted with 9
It is equipped with It is desired that the body portion 4 of the bottle body 2a is thin and that the neck portion 7 has high molding precision, and is molded by an injection blow molding method using a synthetic resin.

A pair of engaging projections 6 and 6 for fixing an outer container 1 and an inner container 2, which will be described later, project from the shoulder 5 of the bottle body 2a in the direction of the minor axis. On the inner wall of the mouth portion 16 of the outer container 1, which engages with a pair of projecting pieces 15 and 15 which are provided to face each other in the minor axis direction, and the neck portion 7 of the neck portion 7 which is erected at the center of the shoulder portion 5 is provided. A flange 7a is provided on the lower side, and a pair of guide pieces 8 are provided at the peripheral end of the flange 7 so as to face in the short diameter direction of the inner container 2 to fix a shoulder cover 3 described later. Stoppers 12, 12 of the shoulder cover 3
It is configured to hang up with. The guide pieces 8 and 8 may be directly projected from the neck portion 7 without the flange 7a.

The bottle body 2a is filled with lotion or liquid shampoo, and the inner stopper 17 is inserted into the inside of the mouth portion 9 of the bottle body 2a to adjust the discharge amount of the content liquid 2 and the mouth portion 9 The lid 10 is liquid-tightly screwed onto the outer side to complete the inner container 2, that is, the refill container for refilling.

The shoulder cover 3, which is an essential part of the present invention, is formed of a synthetic resin in a flange shape, and the lower surface of the flange 18 that covers the opening 16 of the outer container 1 has an inner diameter of the mouth 16 of the outer container 1. A slanting peripheral wall 13 having a similar elliptical shape and an outer side surface slanted downward and inward is provided so as to be fitted into the mouth 16 of the outer container 1. Then, an insertion opening 11 having a size of an inner diameter that allows the lid 10 of the inner container 2 to penetrate therethrough is bored substantially in the center of the flange 18 with the orthogonal point where the length and the short diameter of the inclined peripheral wall 13 intersect as the central axis. In addition, a pair of substantially L-shaped stoppers 12, 12 with locking plates 12a are formed on the lower surface of the flange 18 so as to project inside the inclined peripheral wall 13 in the minor axis direction.

The flange 18 may have a non-elliptical shape depending on the design requirements, and it is also possible to form an uneven pattern as appropriate, various printing methods, and decoration by hot stamping.

Then, to assemble the container of the present invention,
First, the lid 10 is inserted from the rear surface of the insertion port 11 of the shoulder cover 3, and the shoulder cover 3 and the inner container 2 are held and twisted by a small angle in the tightening direction. Then, the guide pieces 8, 8 of the inner container 2 are provided with a pair of locking plates 12a, 12 projectingly formed on the lower surface of the flange 18.
Guided by a, it abuts against the stoppers 12, 12 and engages with them, so that they can be easily fixed without falling off.

Reference numeral 2 denotes a bottomed cylindrical outer container for accommodating the inner container 1 filled with the content liquid, and the body portion 14 is slightly thick and hard for the purpose of protecting the inner container 2 with a sense of quality. It is made of synthetic resin, and its outside is appropriately decorated by desired means. The upper inner wall of the body portion 14 has a slightly thin portion above the step portion 19 to form a mouth portion 16, and an inner wall of the mouth portion 16 engages with the engagement protrusions 6 and 6 of the inner container 2. A pair of projecting pieces 15, 15 are formed to project.

To fix the inner container 2 to the outer container 1, the bottom portion 18 of the inner container 2 to which the shoulder cover 3 is fixed is fixed.
May be fitted and inserted in the mouth portion 16 of the outer container 1 and pressed downward. Then, the pair of engaging projections 6 and 6 projecting from the peripheral edge of the shoulder portion 5 of the inner container 2 pass over the pair of projections 15 and 15 projecting from the upper inner wall of the cylindrical body 14 of the outer container 1. And securely engage. Therefore, the inner and outer containers 2 and 1 are prevented from coming off, and the inclined peripheral wall 13 of the shoulder cover 3 is also fitted and fitted in the mouth portion 16 of the outer container 1 at the same time, and the flange 18 of the shoulder cover 3 is fitted to the outer container 1. The whole part will be firmly fixed by covering the open end of.

Further, if the upper end of the body portion 4 of the inner container 2 is formed to have a slightly large diameter portion 20, the fitted state of the inner and outer containers 2, 1 is stable and there is no fear of rattling and the inner container is Since there is a slight clearance 21 between the body portion 4 of the second container 2 and the inner wall of the cylindrical body 16 of the outer container 1, the inner container 2 is the outer container 1
The inner container 2 and the outer container 1 are protected from the impact on the
The dimensional error between and is absorbed. As described above, the container of the present invention is integrated and used as a liquid pouring container.

Next, when the content liquid is used up and replaced with an inner container 2 for refill prepared by being filled with new content liquid, the outer container 1 is pressed with fingers and the shoulder cover 3 is replaced with the inner container 2. In contrast, twist slightly in the direction of slack. Then shoulder cover 3
The elliptical slanting peripheral wall 13 which is on the lower surface of the outer container 1 and is fitted in the mouth portion 16 of the outer container 1 rotates to resist the inner wall of the mouth portion of the outer container 1 and reaches the upper end of the mouth portion 16 of the outer container 1. To rise. As the shoulder cover 3 rises, the inner container 2 fixed to the shoulder cover 3 also rises and rises, so that the inner container 2 and the outer container 1 are disengaged and can be freely removed.

At the same time, since the inner container 2 is non-rotatable with respect to the outer container 1, the shoulder cover 3 is released from the engagement between the shoulder cover 3 and the inner container 2, so that the outer container 1, the shoulder cover 3, The fixing between the inner containers 2 is released all at once and falls apart. In this way, the shoulder cover 3 which can be freely attached and detached is withdrawn from the neck portion 7 of the inner container 2, the inner container 2 is withdrawn from the outer container 1, and the content liquid is replaced with the newly enclosed inner container 2.

[0021]

The effects of the liquid refilling container of the present invention having the above-mentioned structure and action are as listed below. −. Since the inner container can be replaced without attaching or detaching the lid, there is no risk of accidentally spilling the content liquid during replacement work and contaminating the surrounding area with the content liquid. −. The shoulder cover can be easily attached to the inner container,
As long as the inner container is pushed into the outer container, each part is easily fixed and integrated, so that the assembly operability is good. −. If the shoulder cover is slightly twisted, the fixing of the shoulder cover, the inner container, and the outer container will be unraveled at once, and will fall apart, so that the replacement work of the inner and outer containers is very easy. −. Since there is a slight clearance 20 between the body of the inner container and the inner wall of the cylindrical body of the outer container, the inner container is protected from impact from the outside to the outer container, and the inner container and the outer container are protected from each other. The manufacturing dimensional accuracy with the container is relaxed. −. Since the flange of the shoulder cover can adopt a shape other than an ellipse, there is great freedom in design.

[Brief description of drawings]

FIG. 1 is an exploded perspective view of an embodiment of a refill container according to the present invention.

FIG. 2 is a perspective view for explaining the shoulder cover seen from the back side in the embodiment.

FIG. 3 is a plan view of the embodiment.

FIG. 4 is a vertical sectional view taken along the line AA of FIG.

5 is a vertical cross-sectional view taken along line BB of FIG.

FIG. 6 is a semi-longitudinal sectional view of a conventional refill container.

[Explanation of symbols]

1 Outer container. 2 Inner container. 3 Shoulder cover. 4 torso. 5
Shoulder. 6,6 Engagement protrusions. 7 neck. 8 and 8 guide pieces. 9 mouth. 10 Lid. 2a Bottle body. 11 insertion port.
12, 12 stopper. 13 Inclined peripheral wall. 14 cylinder.
15,15 Protrusions. 16 mouth. 18 Flange.

Claims (1)

[Claims] 1. A shoulder portion (5) of an elliptic cylinder body (4) having a bottom.
A pair of engaging protrusions (6, 6) sandwiching the center at the short diameter side peripheral edge of
And a pair of guide pieces (8, 8) sandwiching the center under the neck (7) standing on the shoulder (5).
8) protrudes, and penetrates the inner container (2) consisting of a bottle body (2a) in which a lid (10) is fitted to the mouth (9) of the neck (7) and the lid (10). A pair of stoppers (12, 12) having an insertion opening (11) for engaging with the guide pieces (8, 8) are provided on the lower surface of the flange (18) in a protruding manner, and the outer surface is a lower inner surface. A flange-shaped shoulder cover (3) having an inclined elliptical slanted peripheral wall (13) on its lower surface and an upper inner wall surface of a bottomed elliptic cylindrical body (14) accommodating the inner container (2). Has a pair of projecting pieces (15, 15) projectingly engaged with the engaging projecting pieces (6, 6) of the inner container (2), and the shoulder cover (3) at the mouth (16). An outer container (1) in which the inclined peripheral wall (13) of
A refill container for liquid, characterized in that the inner container (2), the shoulder cover (3) and the outer container (1) are detachably fixed to each other.