JP5212819B2 - Replacement container - Google Patents

Description

  The present invention relates to a replacement container that is used for replacement of a container body that stores liquid or granular contents such as hair shampoo, rinse, body shampoo, and kitchen detergent, and is assembled to an exterior body.

  Conventionally, containers such as hair shampoos, rinses, body shampoos, and kitchen detergents have been made of synthetic resins such as polyethylene having excellent mechanical properties and chemical resistance. There are many pumps that can be stably dispensed in fixed amounts, and containers equipped with hinge caps that take out liquid or granular contents.

  In many cases, these containers have been disposed of as trash when the contents have been used. However, recently, these containers can be used repeatedly from the viewpoint of environmental problems, resource saving, and prevention of deterioration of contents. Containers, single-use containers, or methods that reduce the amount of waste as much as possible are required for commodities.

  As one means for answering such a requirement, Japanese Patent Application Laid-Open No. 7-17538 discloses that a replacement container body having a mouth is filled with contents, and this replacement container body is provided with an exterior having a stable mechanical strength. A technique for detachably attaching an interior to the body is shown.

In the above prior art, the contents can be easily poured out while maintaining stable independence. After use, only the replacement container body is discarded, and functions such as a pump and a cap are provided. Since the exterior body including the part only needs to be reused, a considerable reduction in garbage can be realized.
JP 7-17538 A

  However, in the prior art disclosed in the above-mentioned Patent Document 1, in order to assemble and fix the container, in addition to the replacement container body and the exterior body, a shoulder ring is used, and various locking structures are provided. In this case, there is a problem that the manufacturing cost is high and the replacement operation of the replacement container body is complicated accordingly.

  Therefore, the present invention was devised to solve the above-described problems in the prior art, and the replacement container body is utilized by assembling the functional part such as the pump and the hinge cap to the exterior body of the functional part cap. It is a technical challenge to easily achieve the attachment / detachment of the exterior body to the exterior body, so that the replacement container body, the exterior body, and the functional part cap can be easily attached / detached unless the attachment of the functional part cap to the exterior body is released. The purpose is to maintain a strong assembly of the container body.

The main configuration of the present invention for solving the above technical problem is:
Having a replacement container body in which a mouth portion provided with a locking projection on the outer peripheral surface is erected on the upper end portion of the bottomed storage portion that stores the contents;
Having an exterior body in which a mounting cylinder is erected on the top end of a tubular exterior cylinder via an inner flange-shaped top wall;
Having a functional part cap with an assembled cylinder that is externally screwed onto the mounting cylinder of this exterior body;
It is in.

  In the part from the top wall of the exterior body to the mounting cylinder, by providing a notch, the inner surface has a locking projection piece that is locked to the locking projection of the replacement container body, and the outer surface is a contact surface. A plurality of hanging tongue pieces are formed.

  The lower end part of the cylinder with the functional part cap assembly is a contact cylinder part that is externally fitted to the contact surface of the hanging tongue piece of the exterior body to contact the inner surface.

  The assembly of the replacement container body, the exterior body, and the functional part cap is performed by first inserting the replacement container body with its mouth open into the exterior body from below, thereby elastically deforming the hanging tongue piece and engaging the replacement container body. The stop ridge is moved over and locked to the locking protrusion of the exterior body.

  Next, the assembly cylinder of the functional part cap is screwed and assembled to the mounting cylinder of the exterior body, so that the abutting cylinder part which is the lower end portion of the assembling cylinder is brought into contact with the abutment surface of the hanging tongue piece from the outside. This makes it impossible for the hanging tongue piece to be expanded and displaced, so that the locking protrusion of the replacement container body and the locking protrusion of the exterior body are secured.

  Since the locking of the locking protrusion of the replacement container body and the locking protrusion of the exterior body is firmly secured unless the screwing assembly of the functional part cap to the exterior body is released, the replacement to the exterior body The assembly of the container body is secured stably.

  To remove the replacement container body from the exterior body, the functional body cap is unscrewed from the exterior body, and the contact cylinder portion of the functional section cap is detached from the contact surface of the hanging tongue piece of the exterior body. This is achieved by lowering the replacement container body relatively with respect to this, thereby releasing the locking of the locking protrusions of the replacement container body and the locking protrusions of the exterior body.

  Another configuration of the present invention is such that the replacement container body is thin in addition to the main configuration described above.

  In the case where the replacement container body is thin, the amount of resin in the replacement container body, which becomes waste, can be reduced, so that the amount of dust can be reduced.

  In addition to the main configuration described above, another configuration of the present invention is provided with an open notch that can hold the replacement container body with a fingertip at the lower end of the exterior tube.

  In the case where an opening notch that can hold the replacement container body with a fingertip is provided at the lower end of the outer cylinder, the handling operation force is directly applied to the replacement container body installed in the outer body by the fingertip. be able to.

  In addition to the main configuration described above, another configuration of the present invention is the one in which the lower end of the exterior body is positioned lower than the lower end of the replacement container body with the replacement container body assembled to the exterior body. It is.

  In the case where the lower end of the exterior body is positioned lower than the lower end of the replacement container body, the exterior body having a high mechanical strength and a large self-shape holding force exhibits a leg function.

  In addition to the main configuration described above, another configuration of the present invention is closely fitted into the mouth of the replacement container body from the inner surface of the mounting cylinder above the hanging tongue piece of the exterior body via the inner collar piece. A tightly fitting cylinder piece is suspended.

  In the case where a tightly fitting tube piece is provided on the exterior body, the assembly by the mouth of the replacement container body with respect to the exterior body can be easily and reliably made dense.

Since the present invention has the above-described configuration, the following effects can be obtained.
In the main configuration of the present invention, since the assembly of the replacement container body to the exterior body is stably secured by screwing the functional part cap to the exterior body, the assembly of the replacement container body and the exterior body can be performed. This can be achieved easily and firmly, and a strong combination of the three members including the functional part cap can be easily obtained.

  In this way, the replacement container body can be stably and firmly assembled to the exterior body, so that when the container is carried in a bag or the like together with another article, it comes into contact with another article, etc. As a result of the impact, the assembly of the replacement container body and the exterior body does not come off, and safe portable handling can be obtained.

  Since the attaching / detaching operation of the replacement container body with respect to the exterior body can be achieved by a simple loading / unloading operation, the handling of the container is easy and easy.

  If the replacement container body is thin, the amount of resin in the replacement container body, which becomes waste, can be reduced, so that the amount of waste can be reduced, thereby obtaining a high resource saving effect. Can do.

  In the case where an opening notch that can hold the replacement container body with a fingertip is provided at the lower end of the outer cylinder, the handling operation force is directly applied to the replacement container body installed in the outer body by the fingertip. Therefore, the handling of the replacement container body is facilitated, and proper handling can be obtained.

  In the case where the lower end of the exterior body is positioned lower than the lower end of the replacement container body, the exterior body will exhibit the leg function, so that a stable leg function can be imparted to the container. At the same time, the replacement container can be made thinner.

  In the case where a tightly fitting cylinder piece is provided on the exterior body, the assembly by the mouth of the replacement container body with respect to the exterior body can be easily and reliably made dense, so that the replacement container body can be handled safely. Can be secured.

Embodiments of the present invention will be described below with reference to the drawings.
FIGS. 1 to 4 show an embodiment of a replacement container according to the present invention, a replacement container body 1 for storing contents, an exterior body 6 for internally retaining the replacement container body 1, and the exterior body. 1 to 4, and the functional part cap 17 in the embodiment shown in FIGS. 1 to 4 is a pump cap of a pump 21 that is a dispenser.

  The replacement container body 1 is used as a disposable replacement, and is configured with a mouth 3 standing up through a shoulder at the upper end of a bottomed cylindrical storage portion 2 for storing contents, and a dedicated screw. A locking protrusion 4 is provided around the upper end of the outer peripheral surface of the mouth portion 3 provided with a screw for screwing the cap.

  The replacement container body 1 is desirably formed as thin as possible within the range in which the function of storing the contents is maintained from the viewpoint of reducing the production cost and reducing the amount of waste. PET, PE, It is advantageous to use a blow molded product such as PP or a biaxial stretch blow molded product of PET.

  The exterior body 6 includes the replacement container body 1, and an outer peripheral surface through an inner flange-shaped top wall 9 on the upper end of the exterior cylinder 7 in which an open notch 8 having a size that allows a fingertip to enter is formed in the lower part. A plurality of, for example, two hanging tongue pieces 12 are formed by erecting a mounting cylinder 11 in which a thread is engraved and forming a notch 15 in a portion from the top wall 9 to the lower end portion of the mounting cylinder 11. It remains to be axially symmetrical.

  On the inner side surface of the hanging tongue 12, the locking protrusion 4 of the replacement container body 1 is provided with a locking protrusion 13 that climbs over and locks from above, and the lower end of the outer surface of the hanging tongue 12. The portion is formed on a substantially vertical contact surface 14, and the upper outer surface portion connected to the contact surface 14 is an inclined surface inclined downward and outward.

  A locking outer cylinder 10 having a low height is erected on the outer peripheral end of the upper surface of the top wall 9, and an inner collar piece is provided on the inner peripheral surface portion of the mounting cylinder 11 immediately above the hanging tongue piece 12. A tightly fitting cylinder piece 16 that is tightly fitted into the mouth portion 3 of the replacement container body 1 is suspended.

  In addition, the exterior cylinder 7 has a height at which the lower end thereof is the same as the bottom surface 5 of the replacement container body 1 or lower than the bottom surface 5 in a state where the replacement container body 1 is assembled to the exterior body 6. Therefore, the lower end portion of the outer cylinder 7 forms a leg portion of the container.

  The functional part cap 17 is a state in which the assembled cylinder 18 is assembled to the attachment cylinder 11 of the exterior body 6 to the screwing limit position, and the inner side surface of the abutting cylinder part 19 which is the lower end portion of the assembled cylinder 18 is The abutment surface 14 of the hanging tongue 12 of the exterior body 6 is brought into contact or pressure contact, and the functional unit cap 17 is screwed together with the exterior body 6 by the packing 20.

  In a state where the replacement container body 1 is assembled to the exterior body 6 and the locking protrusion 4 is moved over and locked to the locking protrusion 13 (see FIG. 1), the functional portion cap 17 is attached to the exterior body 6. Since the abutting cylinder part 19 is externally abutted and contacted with the hanging tongue piece 12 (see FIG. 2), the hanging tongue piece 12 is pressed from the outside by the abutting cylinder part 19, Expanding displacement becomes impossible.

  For this reason, the locking of the locking protrusions 4 and the locking protrusions 13 is held unreleasably, and the non-detachable assembly of the replacement container body 1 with respect to the exterior body 6 is firmly achieved and maintained. The

  On the other hand, as shown in FIG. 3, when the functional portion cap 17 is screwed off from the state of FIG. 1, the contact cylinder portion 19 is separated from the hanging tongue piece 12 (see FIG. 4). Since the diameter of the hanging tongue 12 can be increased, the locking protrusion 4 and the locking protrusion 13 can be unlocked. The container body 1 can be removed from the exterior body 6 by sandwiching and pulling down with a fingertip.

  In the embodiment shown in FIGS. 1 to 4, the pump 21 is assembled to the exterior body 6 by the functional part cap 17. The pump 21 has a nozzle head 22 and a cylinder part 23. In addition, the overcap 28 is attached to and detached from the locking outer cylinder 10 of the exterior body 6 so as to cover the entire pump 21.

  In FIG. 5, the functional part cap 17 is a cap main body part of the hinge cap 24, and a pouring cylinder 25 is erected on the functional part cap 17 which is the cap main body part of the hinge cap 24. An open / close lid 26 that opens and closes the dispensing tube 25 is connected to the functional unit cap 17 via a hinge 27.

  In the above description, the cap body portion of the pump cap and the hinge cap has been described as an example of the functional portion cap 17, but the functional portion cap 17 is not limited to these two, and the application of the content liquid It may be a body cap or a comb cap.

  As described above, the coupling structure of the exterior body and the functional part cap in the present invention ensures that the replacement container body as the third member is attached to the exterior body by achieving the coupling of both. As a technology for easily and firmly joining a plurality of members, a wide range of usage can be expected.

It is a semi-longitudinal sectional view showing an assembled state of an embodiment of the present invention. FIG. 2 is a particularly cross-sectional view of a circled portion in FIG. 1. It is a semi-longitudinal sectional view which shows the removal state of the example embodiment of FIG. FIG. 4 is a particularly cross-sectional view of a circled portion in FIG. 3. It is a half longitudinal cross-sectional view which shows the assembly | attachment state of the other embodiment of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1; Replacement container body 2; Storage part 3; Mouth part 4; Locking protrusion 5; Bottom surface 6; Exterior body 7; Exterior cylinder 8; A hanging tongue piece 13; a locking projection piece 14; an abutment surface 15; a notch 16; a tightly fitting cylinder piece 17; a functional cap 18; an assembled cylinder 19; an abutting cylinder portion 20; Head 23; Cylinder portion 24; Hinge cap 25; Pouring cylinder 26; Open / close lid 27; Hinge 28; Overcap

Claims (5)

A replacement container body with a mouth portion provided with a locking projection on the outer peripheral surface at the upper end of a bottomed storage section for storing contents, and an inner bowl-shaped top at the upper end of a cylindrical outer cylinder A portion extending from the top wall of the exterior body to the mounting cylinder, having an exterior body in which the mounting cylinder is erected through a wall, and a functional unit cap including a combined cylinder that is externally screwed onto the mounting cylinder By providing a notch in the inner surface, the inner surface has a locking projection piece to be locked to the locking protrusion, and a plurality of hanging tongue pieces having the outer surface as a contact surface are formed, and the lower end portion of the assembled cylinder A replacement container having an abutting tube portion whose inner surface abuts on the abutting surface. The replacement container according to claim 1, wherein the replacement container body is thin. The replacement container according to claim 1, wherein an opening notch portion that can hold the replacement container body with a fingertip is provided at a lower end portion of the outer cylinder. The replacement container according to any one of claims 1 to 3, wherein a lower end of the exterior body is positioned lower than a lower end of the replacement container body in a state in which the replacement container body is assembled to the exterior body. The replacement container according to any one of claims 1 to 4, wherein a tightly fitting cylinder piece that is tightly fitted into the mouth portion via an inner collar piece is provided from an inner surface of the attachment cylinder above the hanging tongue piece.

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