JP3533702B2 - Liquid refill container - Google Patents

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a refillable container for liquids such as lotion and liquid shampoo. 2. Description of the Related Art Containers are being refilled in order to save resources and reduce pollution while maintaining the high-grade appearance of the containers, 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. In this container, as shown in the vertical sectional view of FIG. 6, the cosmetic itself is filled in an inner container 52 called a refill container, and in using the container, it is attached to an outer container 51 which is excellent in design and practicality. Used in a state where
2, the inner container 52 filled with new cosmetics is replaced with the outer container 5 in place of the empty inner container 52.
1, and the outer container 51 can be used repeatedly. The structure of the refill container for liquid according to the present invention is as follows. The refill container for liquid is positioned and removably mounted on an outer container 51 provided with a decorative cover 51a.
A shoulder cover 53 is screwed onto the outer container 51 so as to cover the opening 1 and the mouth 52b of the inner container 52 is projected from the central insertion opening of the shoulder cover 53, and a cap 54 is screwed onto the mouth 52b or The concave and convex fit. The outer container 51 and the inner container 52 are provided with a plurality of concave and convex strips and wide concave grooves and convex strips for positioning and fitting with each other in order to prevent mutual rotation and rattling in the circumferential direction (not shown). The shoulder cover 53 and the outer container 51 are provided with screw portions to be fitted to each other, and the inner and outer containers 52, 51 and the shoulder cover 53 are integrally connected to each other to prevent vertical rattling. It has become. The structure of the refill container for liquid described above is a structure in which the inner and outer containers are closely fitted to each other, and is intended only to be able to replace the inner container, and to facilitate the replacement work and the production of the container. Ease of use and diversification of designs have not been considered much. [0005] The problem to be solved by the present invention is to solve the following disadvantages which were not taken into account only by the intention of replacing the inner container in the conventional liquid refill container. Is to do. −. In order to attach and detach the shoulder cover from the outer container, the operability in replacement work is low, since the cap must be removed from the inner container. −. Since the outer container and the shoulder cover are attached and detached by screwing, it takes time to attach and detach the shoulder cover. −. Since the top and bottom 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 tightening condition of the user, which impairs the appearance and conversely applies too much load to tighten the inner container. Therefore, high dimensional accuracy is required in production. −. The structure is such that the outer container and the inner container are directly engaged with each other, so that the inner container can be inserted and removed by attaching and detaching the outer container and the inner container. The above precautions are required, and the operability is poor. −. Since the shoulder cover and the outer container are configured to be detachable by screwing, the degree of freedom in design is poor. The present invention has been made to solve the above problems in view of the above problems. According to the present invention, a pair of engaging projections project from a short-diameter side peripheral end of a shoulder of a torso having a bottomed elliptical cylinder with a center therebetween. In addition, a pair of guide pieces project from the lower part of the neck erected on the shoulder with the center interposed therebetween, and an inner container made of a bottle body with a lid fitted to the mouth of the neck, and the lid A flange-like shape having a penetrating insertion port, a pair of stoppers engaging with the guide piece projecting from the lower surface of the flange, and having an elliptical inclined peripheral wall having an outer surface inclined inward and downward on the lower surface. The shoulder cover and a pair of projections that engage with the engagement projections of the inner container are provided on the upper inner wall surface of the bottomed elliptical cylindrical body that houses the inner container, and a mouth portion. An outer container in which the inclined peripheral wall of the shoulder cover is fitted, and the inner container, the shoulder cover and the outer container are respectively It is characterized by being detachably fixed to each other. [0007] A fluid substance such as a lotion or a liquid shampoo is filled,
The neck of the inner container with the lid fitted is inserted from the lower side of the shoulder cover into the insertion opening of the shoulder cover, and the shoulder cover and the inner container are mutually tightened at a small angle in the tightening direction. Then, a pair of guide pieces protruding below the neck of the inner container and a pair of stoppers provided on the shoulder cover are respectively engaged at positions in the short diameter direction, and the shoulder cover and the inner container are easily fixed. Then, the inner container having the shoulder cover fixed thereto is fitted to the mouth of the outer container, and is inserted and pressed downward, and a pair of engaging projections projecting from the peripheral end of the shoulder of the inner container are formed. A pair of projecting pieces projecting from the upper inner wall of the outer container cylinder ride over and engage. As a result, the inner and outer containers are prevented from falling off, and the inclined peripheral wall of the shoulder cover is fitted inside the mouth of the outer container, and the shoulder cover covers the opening end of the outer container, and the entire parts are settled as a liquid discharging container. used. When replacing the container with a container filled with a new container by completely using the container, the shoulder cover is slightly twisted in the slack direction with respect to the container while holding the outer container with fingers. Then, the elliptical inclined peripheral wall on the lower surface of the shoulder cover and fitted inside the mouth of the outer container rises to the upper end of the mouth of the outer container while rotating against the inner wall of the mouth of the outer container. Since the inner container fixed to the shoulder cover also rises due to the rise of the shoulder cover, the engagement between the inner container and the outer container is released and the inner container can be freely removed. At the same time, since the inner container cannot rotate with respect to the outer container, the rotation of the shoulder cover releases the engagement between the shoulder cover and the inner container, and the fixing between 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 it with a new inner container. 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 viewed from the back, FIG. 3 is a plan view, and FIG. 4 is viewed from the AA direction of FIG. FIG. 5 is a longitudinal sectional view as seen from the direction of line BB in FIG. 3, wherein 1 is an outer container, 2 is an inner container, and 3 is a shoulder cover. The inner container 2 has a bottle body 2a composed of a bottomed elliptical cylindrical body 4, a shoulder 5, and a neck 7 erected at the center of the shoulder 5, and an opening of the neck 7. Lid 10 fitted to 9
And with. It is desired that the body 4 of the bottle 2a is thin and the neck 7 has high molding accuracy, and is formed by an injection blow molding method using a synthetic resin. A pair of engaging projections 6, 6 for fixing the outer container 1 and the inner container 2, which will be described later, are protrudingly provided at five circumferential ends of the shoulder portion of the bottle body 2a in the short diameter direction. A pair of projections 15, 15 protruding from the inner wall of the mouth 16 of the outer container 1 and facing each other in the minor diameter direction is engaged with the neck 7, which is erected at the center of the shoulder 5. A flange 7a is provided on the lower side, and a pair of guide pieces 8, 8 project from the peripheral end of the flange 7 in the direction of the short diameter of the inner container 2, and fix a shoulder cover 3 described later. Stoppers 12 and 12 of shoulder cover 3
It is configured to engage with. The guide pieces 8, 8 may be directly provided from the neck 7 without the flange 7a. The bottle 2a is filled with lotion, liquid shampoo, or the like, and the inner plug 17 is inserted into the inside of the mouth 9 of the bottle 2a to adjust the discharge amount of the content liquid 2. The lid 10 is screwed to the outside in a liquid-tight manner 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 inner surface of the mouth 16 of the outer container 1 is formed on the lower surface of the flange 18 covering the opening 16 of the outer container 1. An inclined peripheral wall 13 having a similar elliptical shape and having an outer surface inclined downward and inward is provided around the mouth portion 16 of the outer container 1. In the approximate center of the flange 18, there is formed an insertion hole 11 having an inner diameter through which the lid 10 of the inner container 2 can pass, with a central axis set at an orthogonal point where the length and the short diameter of the inclined peripheral wall 13 intersect. In addition, a pair of substantially L-shaped stoppers 12 with a locking plate 12a protrudingly formed on the lower surface of the flange 18 inside the inclined peripheral wall 13 in the short diameter direction and with a locking plate 12a. The flange 18 may be non-elliptical depending on the design requirements, or may be formed with a concavo-convex pattern or decorated with various printing methods or hot stamping. In order to assemble the container of the present invention,
First, the lid 10 is inserted from the back surface of the insertion opening 11 of the shoulder cover 3, and the shoulder cover 3 and the inner container 2 are twisted by a small angle in the tightening direction with the inner cover 2. Then, the guide pieces 8, 8 of the inner container 2 are provided on a pair of locking plates 12 a, 12
As shown in FIG. 3A, the stoppers 12 and 12 abut against and engage with the stoppers 12 and 12 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 has a slightly thicker and harder wall for the purpose of protecting the inner container 2 from a sense of quality. It is formed of a synthetic resin, and its outside is appropriately decorated by desired means. The upper inner wall of the body portion 14 is slightly thinner than the step portion 19 to form a mouth portion 16, and the inner diameter direction inner wall of the mouth portion 16 engages with the engaging projections 6, 6 of the inner container 2. A pair of protruding pieces 15, 15 are formed so as to protrude. To fix the inner container 2 to the outer container 1, a bottom portion 18 of the inner container 2 to which the shoulder cover 3 is fixed is provided.
May be inserted into the mouth 16 of the outer container 1 and pressed downward. Then, a pair of engaging projections 6, 6 protruding from the peripheral end of the shoulder 5 of the inner container 2 ride over a pair of projections 15, 15 protruding 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 falling off, and the inclined peripheral wall 13 of the shoulder cover 3 is also fitted and fitted into the mouth 16 of the outer container 1 at the same time, and the flange 18 of the shoulder cover 3 is And the entire part is firmly fixed by covering the opening end of. Furthermore, if the upper end of the body 4 of the inner container 2 is formed to have a slightly larger diameter portion 20, the inner and outer containers 2 and 1 can be stably fitted without any wobble, and the inner container can be stably rattled. Since there is a slight clearance 21 between the body 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
And the inner container 2 and the outer container 1
The dimensional error between the two is absorbed. As described above, the container of the present invention is integrated and used as a liquid pouring container. Next, when replacing the refill inner container 2 prepared by filling up the new content liquid by using up the content liquid, the outer container 1 is pressed with a finger and the shoulder cover 3 is attached to the inner container 2. Twist slightly in the loosening direction. Then shoulder cover 3
The elliptical inclined peripheral wall 13, which is on the lower surface of the outer container 1 and fits inside the opening 16 of the outer container 1, rotates to the upper end of the opening 16 of the outer container 1 while rotating against the inner wall of the opening of the outer container 1. To rise. As the shoulder cover 3 is raised, the inner container 2 fixed to the shoulder cover 3 is also pulled up and rises, so that the engagement between the inner container 2 and the outer container 1 is released, so that the inner container 2 can be detached freely. At the same time, since the inner container 2 cannot rotate with respect to the outer container 1, the shoulder cover 3 and the inner container 2 are disengaged by turning the shoulder cover 3, and the outer container 1, the shoulder cover 3, The fixation between the inner containers 2 is released at a stroke and is separated. The detachable shoulder cover 3 is removed from the neck 7 of the inner container 2, the inner container 2 is extracted from the outer container 1, and replaced with the inner container 2 in which the content liquid is newly enclosed. The effects of the liquid refill container of the present invention having the above-described structure and operation are as follows. −. Since the inner container can be replaced without attaching or detaching the lid, there is no accident that the contents liquid is accidentally spilled during the replacement work and the surroundings are contaminated with the contents liquid. −. The shoulder cover can be easily attached to the inner container,
As long as the inner container is pushed into the outer container, the parts are easily fixed and integrated, so that the assembling operability is good. −. If the shoulder cover is slightly twisted, the fixing of the shoulder cover, the inner container, and the outer container is released at once, and the outer cover is separated, so that the replacement operation of the inner and outer containers is extremely 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 an impact on the outer container from the outside, and the inner container and the outer container are protected. Manufacturing dimensional accuracy with the container is reduced. −. Since the flange of the shoulder cover can adopt a shape other than the elliptical shape, design flexibility is great.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an exploded perspective view of an embodiment of a refill container according to the present invention. FIG. 2 is an explanatory perspective view of a shoulder cover viewed from the back in the embodiment. FIG. 4 is a longitudinal sectional view taken along line AA of FIG. 3 FIG. 5 is a longitudinal sectional view taken along line BB of FIG. 3 FIG. 6 is a semi-longitudinal sectional view of a conventional refill container container. 2 Inner container. 3 Shoulder cover. 4 torso. 5
Shoulder. 6,6 engaging projection. 7 neck. 8,8 Guide piece. 9 mouth. 10 Lid. 2a Bottle body. 11 Insertion port.
12, 12 stopper. 13 Inclined peripheral wall. 14 cylinder.
15, 15 projections. 16 mouths. 18 Flange.

Continuation of the front page (58) Field surveyed (Int. Cl. ⁷ , DB name) B65D 8/06 A45D 34/00 510 B65D 51/18 B65D 77/06

Claims (1)

(57) [Claims 1] A shoulder (5) of a torso (4) having a bottomed elliptical cylindrical shape.
A pair of engaging projections (6, 6) sandwiching the center on the minor diameter side peripheral end of
And a pair of guide pieces (8, 8) sandwiching the center thereof at the lower part of the neck (7) erected on the shoulder (5).
8) is protruded, and an inner container (2) consisting of a bottle (2a) in which a lid (10) is fitted to a mouth (9) of the neck (7), and penetrates the lid (10). A pair of stoppers (12, 12) which are engaged with the guide pieces (8, 8) are provided on the lower surface of the flange (18), and the outer surfaces are lower and inner sides. A flange-shaped shoulder cover (3) having an elliptical inclined peripheral wall (13) on the lower surface and a bottomed oval cylindrical body (14) accommodating the inner container (2) on an upper inner wall surface. Is provided with a pair of projections (15, 15) that engage with the engagement projections (6, 6) of the inner container (2), and the shoulder cover (3) is provided at the mouth (16). An outer container (1) in which the inclined peripheral wall (13) is fitted;
Wherein the inner container (2), the shoulder cover (3) and the outer container (1) are fixed to each other so as to be detachable from each other.