JP2015044611A - Replacement type ejection container - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a replacement type ejection container that can eliminate troubles such as occurrence of dripping and outflow of contents due to a container overturn and be replaced to a new container by a simple operation.SOLUTION: The replacement type ejection container comprises: a container body 1 for filling contents; a discharge unit 2 suspended from and held by an opening neck 1a of the container body 1; a press head 3 communicating with a hollow stem 2b of the discharge unit 2; and an exterior package 6 for housing the container body 1 replaceably. The exterior package 6 is constituted of: an annular strip 6c that has an upper end opening part 6a making the upper end of the hollow stem 2b of the discharge unit 2 to project and a lower end opening part 6b forming an insertion/extraction port for the container body 1, respectively, and surrounds the container body 1 to form a housing space for the container body 1 inside; a bottom cover 6d that detachably connected to the lower part of the annular strip 6c to close the lower end opening part 6b; and an inner tube 6e suspended from and held by the upper end opening part 6a of the annular strip 6c to support the press head 3 slidably and to be capable of freely removably engaging with the opening neck 1a of the container body 1.

Description

  The present invention relates to a replaceable discharge container in which other members can be reused as they are by replacing the container body with a discharger such as a pump after the contents are used up.

  A discharge container that suspends and holds a pump as a discharger at the mouth and neck of the container body, and repeatedly presses the pressure head connected to the pump to suck, pressurize and compress the contents in the container body. It is widely used as a container for all sorts of foods, fragrances, disinfectants and disinfectants.

  In this type of container, after the contents have been used up, it is common to refill the contents and reuse the container. When refilling the contents, remove the dispenser along with the pressure head and open the mouth of the container body. The troublesome work of pouring the contents through the neck was necessary.

  For this reason, in recent years, a product as shown in, for example, Patent Document 1 has been proposed in which the container itself containing the contents for refilling is replaced.

JP 2004-106939 A

  By the way, in the above-mentioned conventional replaceable discharge container, the press head and the discharge device are integrated, and the discharge device is fixed to the container body by screwing a cover (cap) into the mouth and neck of the container body. Therefore, when replacing with a new container, it is necessary to remove the dispenser from the old container, and the following problems have been pointed out.

  That is, it is inevitable that the contents attached to the outer peripheral wall of the discharger or the suction pipe will sag and dirty around it. In addition, the container to be replaced may be accidentally overturned and the contents may be spilled, and there is a risk that germs will be propagated by multiple use of the dispenser. Furthermore, depending on the contents, there are those that want to avoid contact with air, but contact with air is inevitable, and it is difficult to maintain stable quality.

  An object of the present invention is to propose a replacement-type discharge container that can eliminate the above-mentioned conventional problems by replacing the container body with a discharger such as a pump.

  The present invention includes a container body filled with contents, a discharger suspended from the neck of the container body, a pressing head connected to the hollow stem of the discharger, and the container body stored in a replaceable manner. And the hollow stem is repeatedly pushed through the pressing head to actuate the discharger to suck, pressurize and compress the contents in the container body, and pass through the tip nozzle of the pressing head. In the discharge container for ejecting the contents, the exterior body has an upper end opening part that forms an opening that exposes the upper end part of the hollow stem of the discharger and a lower end opening part that forms an inlet / outlet of the container body. An annular band that surrounds the container body and forms a storage space for the container body inside the container body; a bottom lid that is detachably connected to a lower portion of the annular band to close the lower end opening; and the ring A replaceable discharge container comprising an inner cylinder that is suspended and held at an upper end open part of a belt and that slidably supports the pressing head and is detachably engageable with a mouth-and-neck part of the container body. .

In the replaceable discharge container having the above-described configuration, the bottom lid has a cushioning material that comes into contact with the bottom of the container main body in a linked state with the annular band, and at least one of the bottom lid and the annular band includes Providing at least one through-opening that allows the introduction of outside air to the inside of the annular band;
Is preferable as a specific means for solving the problems of the present invention.

  According to the replaceable discharge container of the present invention having the above-described configuration, the exterior body has an upper end opening portion that forms an opening that exposes the upper end portion of the hollow stem of the discharge device, and a lower end opening that forms an inlet / outlet port of the container body. An annular band that surrounds the container body and forms a storage space for the container body inside the container body, and a bottom lid that is detachably connected to the lower part of the annular band and closes the lower end opening part, The inner cylinder is formed by an inner cylinder that is suspended and held at the upper end open portion of the annular band and that can slidably support the pressing head and that can be detachably engaged with the neck of the container body. When removed from the neck, the pressure head and the dispenser are separated by the hollow stem, but the dispenser and the container body are maintained as they are, and a new container filled with the contents is put together with the dispenser. With It is possible to change to become. This eliminates the need to take out the dispenser from the container body, and causes problems that have occurred in the past when replacing containers (drip, spillage of contents due to overturning, propagation of germs due to multiple use of the dispenser, contact with air. It is possible to avoid deterioration of contents quality).

  Further, according to the replaceable discharge container of the present invention, since the cushion material that contacts the bottom of the container main body in a state of being linked to the annular band is arranged on the bottom lid, the dimension of the container main body in the height direction is reduced. Even if there is a variation, the variation can be effectively absorbed and fixed.

  Further, according to the replaceable discharge container of the present invention, at least one through-opening that allows introduction of outside air to the inside of the annular band is provided in at least one of the bottom lid and the annular band. It is possible to apply a so-called airless container in which the bottom wall slides toward the mouth-neck portion of the container body as the container body shrinks as the container itself shrinks as the container itself shrinks. In addition, a delamination type container (delamination container) or the like in which the inner layer body is separated from the outer layer body and the inner layer body is reduced as the contents are reduced can be applied as the container body.

  Furthermore, in the present invention, since the container body used as the replacement container is disposed inside the exterior body, it is possible to use an inexpensive one compared to a luxurious exterior body that has been decorated or colored. it can.

It is the figure which showed typically embodiment of the exchangeable discharge container according to this invention. FIG. 2 is a view showing a state where the pressing head is removed from the discharger in the replaceable discharge container shown in FIG. 1. (A) (b) is the figure which showed the other example of the fitting part of the exchange-type discharge container according to this invention. It is the figure which showed other embodiment of the exchangeable discharge container according to this invention.

Hereinafter, the present invention will be described more specifically with reference to the drawings.
FIG. 1 is a diagram schematically showing an embodiment of a replaceable discharge container according to the present invention, and FIG. 2 shows a state in which a pressing head is removed from a discharger (a state in which it can be replaced with a new container). It is a figure. The replaceable discharge container according to the present invention is basically manufactured using a synthetic resin.

  Reference numeral 1 in FIGS. 1 and 2 denotes a container body including a filling space M that is filled with contents. The container body 1 has a mouth / neck portion 1a that forms a passage communicating with the filling space M at the top thereof. The container main body 1 displayed here has a shoulder 1b formed at the lower end of the mouth and neck 1a, a trunk 1c formed at the lower end of the shoulder 1b, and a bottom 1d formed at the lower end of the trunk 1c. A bottomed cylindrical shape is shown as an example.

  Reference numeral 2 denotes a discharger suspended and held inside the mouth neck 1a of the container body 1 (the cross section is not shown). When a pump is applied as the discharger 2, the discharger 2 is disposed inside the cylinder 2 a that forms a suction and pressurization space for the contents, and can slide up and down along the inner wall surface. A piston (not shown), a hollow stem 2b in which one end (lower end) is linked to the piston and at least about half of the other end (upper end) protrudes from the upper portion of the cylinder 2a, and the hollow stem 2b is inserted into the cylinder 2a. And a spring (not shown) that is elastically supported by an upward repulsive force, and a check valve (not shown) that is disposed in the cylinder 2a and opens the suction hole only when the contents are sucked. Configured.

  The hollow stem 2b has a feeding path through which the pressurized and compressed contents are circulated in the cylinder 2a, and a pressing force is applied to the hollow stem 2b via a pressing head described later, so that the hollow stem 2b By moving the stem 2b up and down, the piston can be slid (moved up and down) in the cylinder 2a.

  By sliding the piston by the vertical movement of the hollow stem 2b, the contents in the container body 1 are sucked into the cylinder 2a through the suction pipe S connected to the bottom of the cylinder 2a, and pressurized and compressed.

  In this embodiment, the case where a pump is applied as the discharger 2 has been described. However, as the discharger 2, any type of discharger such as a spray-type discharger can be applied. It is not limited to.

  Reference numeral 3 denotes a pressing head that applies a pressing force to the hollow stem 2 b of the discharger 2. The pressing head 3 is formed with an opening 3a that is detachably fitted to the other end of the hollow stem 2b of the discharger 2, that is, an exposed portion in the upper part of the cylinder 2a, and a feeding path of the hollow stem 2b. The contents fed through can be ejected from the tip nozzle 3c through an internal passage 3b connected to the opening 3a. At the lower end of the pressing head 3, there is provided a disk-like base 3d extending horizontally outward.

  Reference numeral 4 denotes a stopper-type fitting portion (fitting cap) integrally provided on the outer wall portion at the upper portion of the cylinder 2 a of the discharger 2. The fitting portion 4 is detachably fitted to the neck portion 1a of the container body 1 so as to maintain the hanging posture of the dispenser 2, and the mouth neck portion 1a is maintained in a sealed state (closed state). The top plate 4a that is directly connected to the outer wall of the cylinder 2a, and suspended from the edge of the top plate 4a, surrounds at least the front end portion (upper end portion) of the mouth-and-neck portion 1a and enters the inside thereof. It consists of a peripheral wall 4b that forms a fitting space with the mouth neck 1a.

  When the fitting portion 4 is a stopper type, an annular convex portion or an annular concave portion is provided on the inner wall of the peripheral wall 4b to enable fitting by undercut, and the outer wall of the neck portion 1a of the container body 1 is provided. In the present invention, the annular convex portion, the annular concave portion that can be fitted into the annular concave portion, and the annular convex portion are provided. In the present invention, a structure that is engaged by a screw can be applied. In addition, a fitting system is not limited to the thing by a screw | thread or an undercut, You may apply another fitting system.

  Reference numeral 5 denotes a notch part provided partially on the peripheral wall 4 b of the fitting part 4. The notch 5 is shown as an example having an open end opened downward. By providing the gap portion P by the notch portion 5, the dispenser 2 can be easily detached from the container body 1 by inserting a thin-walled piece such as a coin into the gap portion P and opening it.

  According to the above structure, even when the contents remain in the container body 1 when the container body 1 is replaced, the contents remain in the container by removing the discharger 2 and tilting the container body 1. It is possible to take out all the contents. In addition, since the discharger 2 and the container main body 1 can be easily separated, separation and disposal can be easily performed when the used container is discarded.

  As shown in FIG. 3A, the gap P may be provided in the entire area around the circumference of the peripheral wall 4b, or as shown in FIG. 3B. A plurality of them may be provided and formed intermittently, and the shape and the number thereof are not limited.

Moreover, the code | symbol 6 is an exterior body which accommodates the container main body 1 so that replacement | exchange is possible. The exterior body 6 has an upper end opening 6a that exposes the upper end of the hollow stem 2b of the discharger 2 and a lower end opening 6b that forms an inlet / outlet of the container body 1 so as to surround the container body 1 and An annular band (cylindrical body) 6c that forms a storage space for the container main body 1, a bottom lid 6d that is detachably linked to the lower part of the annular band 6c with a screw to close the lower end opening 6b, and the annular band 6c is a suspended at the upper opening 6a (the rear surface of the top plate 6c ₁₎ holding, constitute a press head 3 from slidably supported to with engageable detachably to the mouth and neck 1a of the container main body 1 of the inner cylinder 6e Has been.

It said annular band 6c is specifically a top plate 6c ₁ that forms the upper opening 6a, is shown as an example made of tubular body 6c ₂ which is integrally connected to the edge of the top plate 6c _1, The shape of the annular band 6c can be appropriately changed depending on the external shape of the pressing head 3 or the external shape of the container body 1, and is not limited to the illustrated one.

Also, the bottom cover 6d includes a bottom plate 6d ₁ which is located on the lower surface of the bottom portion 1d of the container body 1, is open toward the top on the inside are integrally connected in an upright state on the edge of the bottom plate 6d ₁ recess those composed of a peripheral wall 6d ₂ to form a applies.

Further, the inner cylinder 6e is integrally connected to a disc-shaped base 6e ₁ having a through-hole through which the hollow stem 2b of the discharge device 2 passes and an edge of the base 6e _{1 so} as to surround the mouth neck 1a of the container body 1. a peripheral wall 6e ₂ hanging down in said edge portion as to constitute with those consisting of the peripheral wall 6e ₃ Metropolitan integrally connected to the top plate 6c ₁ of the annular zone 6c with standing surrounds the through hole in the upper surface of the base 6e ₁ it is possible, on the upper end or the upper end opening portion 6a of the peripheral wall 6e _3, (corresponding to the code 9 to be described later) claw portion formed on the outer edge of the base 3d of the pressing head 3 in contact with push pressure head A claw portion 6f that retains and holds 3 is provided. The nail | claw part 6f can be shape | molded by providing a notch recessed part in the lower end part of the upper end open part 6a.

Incidentally, the inner cylinder 6e is a threaded portion formed on the inner wall surface of the peripheral wall 6e _2, is shown as an example which is engaged with the screw portion provided on the outer wall surface of the mouth and neck 1a, any of those members It is also possible to engage (fit) by so-called undercut, in which an annular convex portion is provided on one side and an annular concave portion is provided on the other side, and the annular convex portion is fitted into the annular concave portion. Any engagement (fitting) method can be applied as appropriate.

Further, 7 is provided on the upper outer peripheral surface of the peripheral wall 6d ₂ of the bottom cover 6d, engageable threaded portion to the threaded portion 6g formed in the lower inner peripheral surface of the annular zone 6c of the outer body 6, 8, bottom lid 6d is a disk-shaped cushion material placed on the bottom plate 6d ₁ of. When the bottom cover 6d is attached and the lower end opening 6b of the annular band 6c is closed, the cushion material 8 has a function of coming into contact with the bottom of the container body 1 and absorbing variations in its height direction.

Reference numeral 9 denotes a claw portion provided on the outer edge portion of the base 3 d of the pressing head 3. The claw portion 9, the claw portion 6a provided on the inner wall surface of the upper opening 6a or wall 6e ₃ of package 6 is made possible contact by the claw portion 9 abuts against the claw portions 6a The pressing head 3 is prevented from slipping out from the inner cylinder 6e (the peripheral wall 6e ₃ ). As the claw portion 9, a plate-like piece that continuously extends over the entire circumference of the pressing head 3 may be applied, or a plurality of tongue pieces that protrude intermittently at intervals may be applied.

  Further, reference numeral 10 denotes an overcap that accommodates the pressing head 3 inside and can be removably fitted (undercut fitting or the like) to the upper portion of the annular band 6c of the exterior body 6. The overcap 10 may be configured to be detachably engaged with the annular band 6c by a threaded portion. The fitting method of the overcap 10 is not limited to screws and undercuts, and other fitting methods can be adopted.

The overcap 10 is provided as necessary. In particular, in the case of a discharge container that does not require the overcap 10 to be attached, in order to avoid an inadvertent external force acting on the pressing head 3 to be pushed in. It is preferable to provide a stopper. The stopper has an openable slit-like gate by the elastic deformation of the peripheral wall, the upper end abuts on the lower side of the distal end nozzle 3c of the press head, the lower end abuts against the upper surface of the top plate 6c ₁ of the annular band 6c A cylindrical body having a C-shape can be applied.

  In the replaceable discharge container having the above configuration, the piston linked to the hollow stem 2b slides (moves up and down) in the cylinder 2a by repeatedly pushing the pressing head 3. By this slide, the contents in the container are sucked into the cylinder 2a through the suction pipe S and pressurized and compressed.

  The contents compressed and compressed in the cylinder 2a pass through the feeding path of the hollow stem 2b and the internal passage 3b of the pressing head 3 and are ejected from the tip nozzle 3c toward the outside.

  The replaceable discharge container of the present invention is in a state where the discharge device 2 is connected to the container body 1 even when the pressing head 3 is detached from the hollow stem 2b of the discharge device 2 as shown in FIG. So that no dripping occurs when the container is replaced, and the contents do not spill out even if the container is accidentally turned over.

  Further, the replaceable discharge container according to the present invention is a single-use type discharger in which the discharger 2 for ejecting the contents is replaced together with the container body 1, and therefore, various germs that are concerned when the discharger is reused. It is hygienic without breeding, and the contents can be prevented from touching the air when the container is replaced.

  When the container body 1 is housed in the exterior body 6 through the lower end opening 6b and the pressing head 3 is connected to the hollow stem 2b of the discharger 2, the tip of the hollow stem 2b is pressed at the initial stage. The temporary fitting state is entered slightly into the opening 3 a of the head 3, but by pushing the pressing head 3 several times (priming), the tip of the hollow stem 2 b penetrates deeply to the abutting end of the opening 3 a of the pressing head 3. Will be mated.

  In order to remove the pressing head 3 from the discharger 2, it is only necessary to rotate the container body 1 to release the screw connection with the inner cylinder 6e and to pull out the container body 1 from the exterior body 6.

  The container main body 1 of the replaceable discharge container according to the present invention is provided with a slider 11 which forms the bottom of the container and is movable along the inner wall surface of the body 1c inside the body 1c. For example, an airless type container as shown in FIG. 4 in which the slider 11 moves toward the suction port of the discharger 2 due to the pressure reducing effect accompanying the decrease can be applied. This has the advantage that not only the suction pipe S for sucking the contents becomes unnecessary, but also the remaining amount of the contents can be reduced as much as possible.

When applying the container airless type, the bottom plate 6d ₁ or peripheral wall 6d ₂ of the bottom cover 6d, since makes it easier to move the slider 11 by introducing outside air to the inside of the exterior body 6, needs at least one through opening 6d ₃ is provided in response.

  In addition, the present invention not only reduces the residual amount of the contents, but also enables the reduction of the contents itself in accordance with the reduction of the contents from the viewpoint of simplifying the structure and reducing the materials used to effectively use the resources. A delaminated container in which the inner layer body is reduced when the inner layer body filling the bag is discharged from the inner surface of the outer layer body when the contents are poured out can also be applied as the container body 1.

Even when a bag-like container or a delamination container is applied, the outer plate 6d ₁ or the peripheral wall 6d ₂ of the bottom cover 6d is used for the inner layer of the bag-like container or the delamination container to be accurately reduced. inside to allow introduction of outside air, preferably provided at least one through opening 6d _3.

  In the present invention, the exterior body 6, the pressing head 3, and the overcap 10 are basically reused, and therefore, it is possible to make them luxurious by decorating them, colors and the like. Yes, it is useful for differentiating products.

  According to the present invention, it is possible to avoid problems such as liquid dripping or outflow of contents due to overturning of the container, and a replaceable discharge container that can be replaced with a new container with a simple operation. Can be provided.

DESCRIPTION OF SYMBOLS 1 Container main body 1a Mouth neck part 1b Shoulder part 1c Body part 1d Bottom part 2 Discharger (pump)
2a cylinder 2b hollow stem 3 pressing head 3a opening 3b internal passage 3c tip nozzle 3d base 4 fitting portion 4a top plate 4b peripheral wall 5 notch 6 exterior body 6a upper end opening 6b lower end opening 6c annular band 6d bottom lid 6e Inner cylinder 6f Claw part 6g Screw part 7 Screw part 8 Cushion material 9 Claw part 10 Overcap 11 Slider M Filling space S Suction pipe P Gap part

Claims (3)

A container body for filling the contents, a discharger suspended from the neck of the container body, a pressing head connected to the hollow stem of the discharger, and an exterior body for storing the container body in a replaceable manner The discharger is operated by repeatedly pushing the hollow stem through the pressing head to suck, pressurize and compress the contents in the container body, and eject the contents through the tip nozzle of the pressing head. A discharge container,
The exterior body includes an upper end opening portion that exposes an upper end portion of the hollow stem of the discharger and a lower end opening portion that forms an inlet / outlet port of the container body, and surrounds the container body and includes an inner portion of the container body. An annular band that forms a storage space, a bottom lid that is detachably linked to the lower part of the annular band, closes the lower end opening part, and is suspended and held by the upper end opening part of the annular band, so that the pressing head can slide. And a replaceable discharge container comprising an inner cylinder that is detachably engageable with the neck of the container body.   The replaceable discharge container according to claim 1, wherein the bottom cover includes a cushion material that abuts against a bottom portion of the container main body in a linked state with the annular belt.   The replacement according to claim 1 or 2, wherein at least one through-hole is provided in at least one of the bottom cover and the annular band to allow outside air to be introduced into the inside of the annular band. Type discharge container.

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