JP6202532B2 - Foam discharge container - Google Patents

Description

  The present invention relates to a foam discharge container for mixing and foaming contents and air to discharge foam, and more particularly to a squeeze type foam discharge container for discharging foam by pressing a flexible container body. It is.

  As a container containing various liquid detergents such as shampoos and body soaps and hair styling, etc., the gas-liquid having foamed members such as meshes while mixing the contents and air by squeezing the body of the container body 2. Description of the Related Art A foam discharge container that passes through a confluence space G and discharges foam-like contents from a nozzle is conventionally known (see, for example, Patent Document 1).

JP 2013-52880 A

However, in the foam ejection container described in Patent Document 1, since the nozzle 36 is always in communication with the merging space G, if the container body 10 is tilted or the trunk portion 12 is strongly gripped, the foam-like contents are changed. There was a problem of inadvertent ejection.
In addition, when the foam ejection container is not used for a long time, the contents remaining in the nozzle 36, the foam member 40, and the cylinder body 22 are dried and solidified, and the foam cannot be uniformly foamed, or the contents are stable. In some cases, the object could not be discharged.

  The present invention aims to solve the above problems, and in a foam discharge container that discharges from a nozzle through a gas-liquid confluence space that bubbles while mixing the contents and air by squeezing the body of the container body, The gas-liquid confluence space and the outside air can be easily shut off without using a complicated device, can be used stably and hygienically, and it is easy from the exterior to be in a closed state that shuts off the outside air It aims at providing the foam discharge container which can be visually recognized.

  In order to solve the above-described problems, the present invention has a container body that has a flexible body and is filled with contents, and a foam dispenser that is attached to the container body and that mixes and discharges the contents with air. The foam discharger has a foam member on the inner periphery and forms a gas-liquid merging space for foaming by merging the contents and air, and a bubble-like content communicating with the gas-liquid merging space The cylinder part comprises a nozzle part for discharging an object and a cap part pivotally attached to the nozzle part, and the cylinder part is provided with a suction port for sucking contents and an air inlet at the lower part, and a flexible cylinder at the upper part. The nozzle portion includes a discharge cylinder that forms a discharge port for foamed contents at the tip, and a fitting cylinder that fits with a small gap between the cylindrical plug body. The cap part includes a fixed part that is attached to the mouth part of the container body, and a standing wall part that has a pivot part that pivotally attaches the nozzle part. The nozzle part rotates around the pivoting part, so that the gas-liquid merging space is in communication with the outside air, and the cylindrical plug body is bent and deformed to block the gas-liquid merging space from the outside air. The structure characterized by being arrange | positioned so that transfer to the closed state which is set is employ | adopted.

  As an embodiment of the foam discharge container, the cylinder portion includes a cylinder main body and a cylindrical plug attached to the upper portion of the cylinder main body, and the cylindrical plug is fitted and fixed to the upper inner periphery of the cylinder main body. A structure comprising a plug base and a flexible cylinder standing on the top of the plug base and fitting into a fitting cylinder of the nozzle part. A curved surface that is curved in the circumferential direction, the inner periphery of the flexible cylinder is a bent portion on the side that is pressed by the lower end of the fitting cylinder of the nozzle portion when shifting to the closed state In the vicinity, a closing protrusion is provided over a predetermined range in the circumferential direction excluding the pivot side, the plug base of the cylindrical plug is a foaming member on the inner periphery forming a gas-liquid merging space And a check valve that contacts the inner surface of the cap portion on the outer periphery. It is provided with a mixing mechanism that mixes contents and air on the periphery, and has a flange having a fitting wall that is fitted and held on the holding portion of the cap portion on the outer periphery, and a through-hole that can communicate with outside air. In addition, a locking projection is provided in the lower portion of the discharge cylinder, and a locking hole that engages with the locking projection in the closed state is provided in the standing wall portion of the cap portion. adopt.

The foam discharge container of the present invention has a fitting cylinder in which a nozzle part that forms a discharge port for foamed contents at the tip is fitted with a flexible cylindrical plug body with a minute gap. Provided, and the gas-liquid merging space is in an open state where the gas-liquid merging space communicates with the outside air, and the cylindrical portion of the cylindrical plug body is bent and deformed to turn the gas-liquid merging space into By providing a configuration that can be transferred to a closed state that is blocked from outside air, the container can be closed by rotating the nozzle portion when the container is not in use, thereby blocking the gas-liquid merging space from outside air. Even if the body is strongly gripped or the container is tilted, the contents are not inadvertently leaked, and the open / close state of the container can be switched without using a complicated and expensive stopper.
In addition, since the opening / closing state of the container is switched by the rotation of the nozzle portion, the opening / closing state can be easily visually recognized from the outer position of the container.

In the embodiment in which the inwardly curved curved surface is provided in the circumferential direction at the lower part of the flexible tube as the foam discharge container, the curved surface facilitates the bending of the flexible tube and facilitates the closing operation.
In addition, in the inner circumference of the flexible cylinder, a closing ridge is provided over a predetermined range in the circumferential direction excluding the pivot direction side in the vicinity of the bent portion pressed by the lower end of the fitting cylinder of the nozzle portion in the closed state. In the aspect, the sealing ridge improves the sealing performance of the inner surface of the flexible cylinder at the bent portion, and there is an effect that the flexible cylinder can be more easily bent by providing a plurality of closing ridges.

It is a partial cross section side view which shows the open state of the Example of a foam discharge container. (A) is a top view of the foam discharge container shown in FIG. 1, (b) is an arrow sectional view in the CC line of FIG. (A) is a cross-sectional view taken along the line AA in FIG. 1, (b) is a cross-sectional view taken along the line BB in FIG. 1, and (c) is a portion showing the upper part of the inner wall 30 in FIG. It is a perspective view. (A) is a top view of the cylindrical plug body of an Example, (b) is the cross-sectional side view, (c) is a cross-sectional side view of a different Example cylindrical plug body. (A) is a top view of the cap part of an Example, (b) is the cross-sectional side view. It is a fragmentary sectional side view which shows the closed state of the Example of a foam discharge container. It is a principal part enlarged view of FIG.

  Next, the foam discharge container of the present invention will be described with reference to the drawings showing examples.

  1, 2, and 6, A is a container main body, B is a foam discharger with which the container main body A was mounted | worn.

As shown in FIGS. 1, 2, and 6, the container main body A has a mouth portion 2 that forms an opening that communicates with the internal filling space M at the top of a cylindrical body portion 1 having a bottom portion (not shown).
The trunk portion 1 is made of a flexible material molded from a synthetic resin or the like, and plays a role of compressing the contents filled in the internal filling space M together with air by being gripped and pressed.
The mouth part 2 is formed with a threaded part 3 on the outer periphery, and a foam discharger B can be attached thereto.
Further, a detent rib 89 is provided below the male thread portion 3 of the mouth portion 2 at a predetermined position in the circumferential direction.

The bubble discharger B includes a cylinder part 10 that forms a gas-liquid merging space G that bubbles the combined contents and air, and a nozzle part that communicates with the gas-liquid merging space G and discharges the bubble-like contents. 50 and a cap portion 70 which is pivotally attached to the nozzle portion 50 and is attached to the mouth portion 3 of the container main body A.
The cylinder part 10 includes a cylinder body 11 having a suction pipe 13 and a cylinder bottom body 14 that form a suction port for sucking contents in the lower part, and a flange 15 that is fixed to the cap part 70 on the outer periphery of the upper part. 11 is formed of a cylindrical plug body 12 mounted on the upper portion.

In the cylinder body 11, a small-diameter lower tube 17 and a large-diameter upper tube 18 are connected by a step portion 19.
As shown in FIG. 3A, a ring plate 21 projects inwardly on the inner periphery of the lower cylinder 17, and a rod body 23 held by a connecting piece 22 is provided inside the ring plate 21. Is provided.
A plurality of connecting pieces 22 are provided at intervals in the circumferential direction, stand up obliquely upward from the inner edge of the ring plate 21, and are connected to the upper portion of the rod 3.
The lower part of the tubular plug 12 is fitted and fixed to the inner periphery of the upper cylinder 18, and a flange 15 projects from the outer periphery of the upper cylinder 18 to provide a through-hole 25 that can communicate with the outside air. The fitting wall 26 held by the cap part 70 is provided continuously.

The cylinder bottom body 14 is erected on the inside of the step portion 29, a fitting portion 28 that is fitted to the lower outer periphery of the lower cylinder 17, a step portion 29 that is connected to the lower end of the fitting portion 28 and extends inward. The bottom portion 32 is formed of an inner wall 30 and a holding cylinder 31 that is suspended from the step portion 29 and fits and holds the suction pipe 13. A conical slope that expands downward in the upper portion of the bottom portion 32. A wall 33 is provided continuously.
In the connecting portion of the fitting portion 28 and the stepped portion 29, an inlet 35 for taking in air at four locations in the circumferential direction corresponds to the notches 36 provided at the lower end of the lower cylinder 17 at the same four locations in the circumferential direction. Are arranged as follows.

As shown in FIGS. 3B and 3C, ribs 38 that support the rods 23 are provided on the inner peripheral surface of the inner wall 30 at four locations in the circumferential direction at intervals in the circumferential direction. ing.
The inner wall 30 has an outer groove portion 37a provided on the outer peripheral surface and an upper groove provided on the upper surface in communication with the outer groove portion 37a at a circumferential position coinciding with the air inflow hole 35 and the notch 36. Similarly, the groove part 37 which consists of the part 37b is provided in the circumferential direction four places.
The air inflow holes 35, the notches 36, and the grooves 37 are provided at four places in the circumferential direction in the present embodiment, but are not limited to four places, and even if one place is in communication with each other. Good.

  In this way, the cylinder body 11 has a content flow path through which the contents in the filling space M are passed in the order of the gap between the suction pipe 13 and the rib 38 and the gap between the connecting pieces 22, and the filling space M. The air flow path through which the air flows in the order of the gap between the air inlet hole 35, the notch 36, the outer groove 37a, the upper groove 37b, and the connecting piece 22 is formed. The mechanism is configured.

As shown in FIGS. 1 and 4, the cylindrical plug 12 is erected on a plug base 40 fitted and fixed to the inner periphery of the upper cylinder 18 of the cylinder body 11, and on the top of the plug base 40. It consists of a flexible cylinder 41 fitted into the nozzle part 50.
The inner periphery of the plug base 40 forms a gas-liquid confluence space G in which a mesh ring 49 with a mesh 43 constituting a foaming member attached to the end thereof is placed to foam the contents. A fitting portion 44 to be fitted, and an enlarged diameter portion 45 is formed on the upper portion of the fitting portion 44, and the enlarged diameter portion 45 normally abuts against the inner surface of the cap portion 70, and caps when the inside of the container becomes negative pressure A check valve 46 that is elastically displaced so as to be separated from the inner surface of the portion 70 is provided to extend outward in an annular shape.

The flexible cylinder 41 is a thin-walled cylinder made of a flexible material, and has a closing ridge 47 on the inner peripheral surface in the vicinity of the bent portion that is pressed by the lower end of the nozzle portion by the rotation of the nozzle portion 50. Is provided.
Although the closing protrusion 47 should just be provided over the circumferential direction predetermined range except the axis direction side of the nozzle part 50 which prevents a bending | flexion, it does not necessarily need to provide.
Moreover, as shown in FIG.4 (c), as another embodiment of the cylindrical stopper 12, there exists what formed the curved surface 48 curved in the circumferential direction in the lower part of the flexible cylinder 41. As shown in FIG.
The curved surface 48 is not necessarily provided on the entire circumference, and may be provided partially. However, by forming such a curved surface 48, the flexible cylinder 41 is more easily bent and deformed.

The nozzle unit 50 includes a discharge cylinder 51 that forms a discharge port for foamed contents at the tip, and a fitting cylinder 52 that has a small gap S and is fitted to the flexible cylinder 41 of the cylindrical plug body 12 on the inner periphery. The discharge flow path H which connects the gas-liquid confluence space G and the discharge port is formed.
In the vicinity of the connecting portion between the discharge cylinder 51 and the fitting cylinder 52, a shaft portion 53 pivotally attached to the cap portion 70 protrudes in a direction perpendicular to the direction in which the discharge cylinder 51 extends.
In addition, a locking projection 54 is provided at the lower portion of the discharge cylinder 51 to lock the foam discharge container in a closed state by locking in a locking hole 88 of the cap portion 70 described later.
A hook 55 that protrudes toward the shaft portion 53 is provided at the tip of the locking projection 54.

The cap part 70 includes a fixing part 71 attached to the mouth part 2 of the container main body A, and a standing wall part 73 having a holding step part 72 that holds the cylinder part 10 and a pivot part 74 that pivotally attaches the nozzle part 50. ing.
The fixing portion 71 is provided with a female screw portion 75 that is screwed into the male screw portion 3 of the mouth portion 2, and an upper wall 76 that is in contact with the top surface of the mouth portion 2 is continuously provided on the upper portion of the female screw portion 75. An inner cylinder 77 is provided at the inner peripheral edge of the upper wall 76 so as to contact the inner periphery of the mouth portion 2 and seal the inside of the container.

Further, as shown in FIG. 2B, a small protrusion 91 and a large protrusion 92 are provided on the inner periphery of the fixing portion 71 below the female thread portion 75, and between the small protrusion 91 and the large protrusion 92. In addition, a recess into which the rotation prevention rib 89 can be fitted is formed.
When the cap part 70 is screwed into the mouth part 2 when the bubble discharger B is assembled to the container main body A, the rotation prevention rib 89 gets over the small protrusion 91 immediately before the screwing is finished. It fits in the recess and informs the completion of screwing and prevents the foam discharger B from rotating.
In this embodiment, the foam discharger B is assembled to the container main body A by screwing the mouth part 2 and the cap part 70. However, the present invention is not limited to the connecting means using such a screw part. Of course, other connecting means such as undercut fitting that engages with the portion 2 and engages with the hook-shaped portion may be employed.

A holding step portion 72 is erected on the upper portion of the inner tube 77 by an outer tube 79 sharing an inner peripheral surface with the inner tube 77, and the cylinder body 11 is fitted inside the outer tube 79 of the holding step portion 72. An annular fitting groove 78 for fitting the upper portion of the wall 26 is formed.
A substantially cylindrical standing wall 81 is erected on the upper portion of the holding step portion 72, and the upper portion is connected to a substantially dome-shaped top wall 82.
Near the center of the top wall 82, a bearing portion 84 is formed for fitting the shaft portion 53 of the nozzle portion 50 from above, and a recess formed to accommodate the discharge cylinder 51 when the nozzle portion 50 is rotated in the closing direction. 85 and the pivot attachment part 74 are comprised.

The recess 85 is provided in a direction perpendicular to the axial direction of the bearing portion 84 and is formed by cutting out the upper portion of the standing wall 81.
A locking plate 86 is provided at the bottom of the recess 85 so as to support the lower surface of the discharge cylinder 51, which is connected to the upper end of the cut-out standing wall 81.
The locking plate 86 is provided with a locking hole 88 that engages with the locking projection 54, and the hook 55 is engaged when the locking projection 54 is fitted.

Next, usage modes and operational effects of this embodiment will be described.
In order to discharge the contents filled in the container in the form of foam, the body part 1 is gripped and squeezed to increase the internal pressure of the filling space M.
The contents are sucked up from the suction pipe 13 and rise, and pass through a gap between the ribs 38, which is limited by the ribs 38 protruding from the inner wall 30 disposed on the inner periphery of the cylinder body 11 and the rod body 23. To go.
At the same time, the air in the filling space M flows into the outer groove 37a of the inner wall 30 from the air inflow hole 35 of the cylinder bottom body 14 and the notch 36 at the lower end of the cylinder body 11, and passes through the upper groove 37b to the ribs 38. The contents that have risen from the gap between them join together, and both pass through the gap between the connecting pieces 22.

The content that rises while being mixed with air is bubbled by passing through the mesh 43, and further discharged from the discharge channel H in the nozzle portion 50 through the flexible cylinder 41 to the outside through the discharge port. .
At this time, since the check valve 46 is strongly pressed against the inner surface of the cap portion 70 by the internal pressure of the filling space M, air does not leak from the through hole 25 of the flange 15.

When the hand 1 is released from the body 1 of the container body A after discharging the foam-like contents, the body 1 deformed by the squeezing tends to return to the original shape, so that the internal pressure in the filling space M is negative. Become.
Therefore, outside air flows into the discharge passage H from the minute gap S between the fitting tube 52 and the flexible tube 41, and together with the foamed contents remaining in the discharge passage H, toward the gas-liquid merge space G side. It is drawn in and returns to the filling space M.
At the same time, when the negative pressure in the filling space M is large, the check valve 46 is separated from the inner surface of the cap portion 70, and the outside air relaxes the negative pressure in the filling space M through the through-hole 25, so Return to the original shape.
The minute gap S may be a gap formed by unevenness provided on the fitting peripheral surface of the fitting cylinder 52 and the flexible cylinder 41.

Thereafter, when the container is not used, the gas-liquid joining space G can be blocked from the outside air by rotating the nozzle portion 50, and the foam discharge container can be kept closed.
As shown in FIGS. 6 and 7, when the discharge cylinder 51 is gripped and pressed downward, the nozzle portion 50 rotates around the shaft portion 53.
Due to the rotation of the nozzle portion 50, the lower end of the fitting cylinder 52 comes into contact with the lower part of the flexible cylinder 41 and the flexible cylinder 41 is bent and deformed.
At this time, the locking projection 54 provided at the lower portion of the discharge cylinder 51 is fitted into the locking hole 88 of the locking plate 86, and the lower surface of the discharge cylinder 51 comes into contact with the locking plate 86 and the nozzle portion 50. Stops rotating.
Thereafter, even if the hand is released from the nozzle portion 50, the hook 55 of the locking projection 54 is engaged with the locking hole 88 and the nozzle portion 50 is prevented from rotating, and the closed state is maintained.

As shown in FIG. 7, the flexible cylinder 41 is bent to be deformed into a flat shape, thereby closing the flow path and blocking the gas-liquid merging space G from the outside air.
The closing protrusion 47 provided on the inner peripheral surface on the pressed side of the flexible cylinder 41 has a sealing function and can more completely close the flow path.
Further, if a plurality of closing ridges 47 are provided and the thickness is changed in the vertical direction, the flexible cylinder 41 can be more easily bent and deformed.
It is preferable not to provide the closing protrusion 47 in a predetermined range in the axial direction of the shaft portion 53 so as not to prevent bending deformation.

Thus, the foam discharge container of this embodiment can turn the nozzle portion 50 to the closed state when not in use and shut off the gas-liquid merging space G from the outside air. Even if the container is held or the container is tilted, the contents are not inadvertently leaked, and the container can be opened and closed without using a complicated and expensive stopper.
In addition, since the flexible cylinder 41 and the fitting cylinder 52 are fitted with a minute gap S, the bubble content remaining in the discharge flow path H is sucked by sucking air from the minute gap and sucking back. Therefore, the remaining foamy content does not flow out of the outlet after use, and is hygienic.
Moreover, since the opening / closing state of the container is switched by the rotation of the nozzle portion 50, the opening / closing state of the container can be easily visually recognized from the outside even by a remote position.

  The foam discharge container of the present invention can be opened and closed with a simple structure to block the internal flow path from the outside air, and can be used hygienically and stably, so various types such as shampoo and body soap It can be suitably used as an inexpensive container having a liquid detergent or hairdressing material as contents.

A Container body B Foam discharge device G Gas-liquid confluence space M Filling space H Discharge flow path S Micro gap 1 Body 2 Port 3 Male thread 10 Cylinder 11 Cylinder main body 12 Cylindrical plug 13 Suction tube (suction port)
14 Cylinder bottom body 15 Flange 17 Lower cylinder 18 Upper cylinder 19 Step part 21 Ring plate 22 Connecting piece 23 Rod body 25 Through hole 26 Fitting wall 28 Fitting part 29 Step part 30 Inner side wall 31 Holding cylinder 32 Bottom part 33 Inclined wall 35 Air inflow hole 36 Notch 37 Groove 38 Rib 40 Plug base 41 Flexible cylinder 43 Mesh (foam member)
44 fitting part 45 enlarged diameter part 46 check valve 47 closing projection 48 curved part 49 mesh ring 50 nozzle part 51 discharge cylinder 52 fitting cylinder 53 shaft part 54 locking projection 55 hook 70 cap part 71 fixing part 72 holding stage Part 73 Standing wall part 74 Pivoting part 75 Female thread part 76 Upper wall 77 Inner cylinder 78 Fitting groove 79 Outer cylinder 81 Standing wall 82 Top wall 84 Bearing part 85 Recess 86 Locking plate 88 Locking hole 89 Anti-rotation rib 91 Small protrusion 92 Large protrusion

Claims (6)

It consists of a container body that has a flexible body and is filled with contents, and a foam dispenser that is mounted on the container body and mixes and discharges the contents with air.
The foam discharger has a foam member on the inner periphery and forms a gas-liquid merging space for merging the contents and air, and communicates with the gas-liquid merging space to discharge the foam-like contents. It consists of a nozzle part and a cap part pivotally attached to the nozzle part,
The cylinder part has a suction port for sucking the contents and an air inlet at the lower part, and a cylindrical plug body having flexibility at the upper part,
The nozzle portion includes a discharge cylinder that forms a discharge port for foamed contents at the tip, and a fitting cylinder that fits with a minute gap between the cylindrical plug body,
The cap part is composed of a fixed part to be attached to the mouth part of the container main body, and a standing wall part having a pivot part for pivoting the nozzle part.
The nozzle part pivots around the pivotal part, so that the gas-liquid merging space is in communication with the outside air, and the nozzle plug is bent and deformed to close the gas-liquid merging space from the outside air. A foam discharge container which is arranged so as to be capable of shifting to a state. The cylinder part is composed of a cylinder body and a cylindrical plug mounted on the upper part of the cylinder body.
The cylindrical plug body includes a plug base portion that is fitted and fixed to the upper inner periphery of the cylinder body, and a flexible cylinder that is erected on the upper portion of the plug base portion and is fitted to the fitting cylinder of the nozzle portion. The foam discharge container according to claim 1.   The foam discharge container according to claim 2, wherein a curved surface curved inward is provided in a circumferential direction at a lower portion of the flexible tube.   On the inner periphery of the flexible cylinder, a closing ridge is provided in the vicinity of the bent portion on the side pressed by the lower end of the fitting cylinder of the nozzle portion during the transition to the closed state over a predetermined range in the circumferential direction excluding the pivot side. The foam discharge container according to claim 2, wherein the foam discharge container is a foam discharge container. The plug base portion of the cylindrical plug body is provided with a foam member on the inner periphery that forms the gas-liquid merging space, and provided with a check valve that contacts the inner surface of the cap portion on the outer periphery.
The cylinder body includes a mixing mechanism that mixes the contents and air on the inner periphery, and includes a flange having a fitting wall that is fitted and held on the holding portion of the cap portion on the outer periphery, and a through hole that can communicate with the outside air. The foam discharge container according to claim 2, wherein the foam discharge container is a foam discharge container.   6. A locking projection is provided at a lower portion of the discharge cylinder, and a locking hole that engages with the locking projection in a closed state is provided in the standing wall portion of the cap portion. The foam discharge container according to 1.

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