JP2007084097A - Two-agent mixing container with pump - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a compact and easy-to-use two-agent mixing container with a pump. <P>SOLUTION: This two-agent mixing container with a pump is provided with a container main body for forming a main chamber for storing a content, an intermediate tube fitted and held unrotatably at the top end opening of the main body, a rotary cover body which comprises an inner tube, an outer tube and a top panel connecting mutually the top end of the inner tube and that of the outer tube and which moves reciprocally by fitting the inner wall of the outer tube on the intermediate tube and by rotating the same, a nozzle head slidably and elastically supported and a pump for discharging the content in the main chamber. An inside plug is provided for storing another content by partitioning and forming a sub-chamber by the inner wall of the cover body 4, the inner wall of the intermediate tube and the outer wall of the cylinder confining the pump inside being fitted and held freely mountable at the bottom end of the intermediate tube. A slider which is slidable along the inner wall of the container main body and forms the bottom wall of the main chamber and a base cup fitted on the bottom of the main body 1 with an air introduction channel on the back face of the slider are provided. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a two-component mixing container with a pump, which aims to make the container compact (reducing the height of the container) and to reliably mix the two agents with a simple operation when using the contents. To do.

As a container for cosmetics and medicines, due to the variety of contents, the main container loaded with the main component and the sub container loaded with auxiliary components are combined to assist the contents in the sub container. The thing of the structure which adds and mixes an ingredient etc. to the main ingredient etc. of a main container, and then pours out the contents concerning mixing with a pump is used (for example, refer to patent documents 1).
JP 2003-292074 A

  By the way, this type of container is a vertically long container in which a sub-container is arranged on the main container, and since the pump mechanism is additionally incorporated in this, the container tends to be tall, Moreover, in order to add the contents in the sub-chamber toward the contents in the main room, it is necessary to perform an accurate alignment operation to match the openings provided in each, and even an accurate alignment can be performed. Even if it is not possible to completely remove all of the auxiliary components, it has not been easy to use.

  An object of the present invention is to provide a pump that is easy to use and can be reliably mixed by only rotating operation while the pump mechanism and the auxiliary chamber for storing auxiliary components are integrally housed in the container to make the container compact. It is in the place of proposing a two-component mixing container.

The present invention relates to a container main body having a top opening and forming a main chamber for storing contents therein, and an intermediate cylinder having a threaded portion on its outer wall that is non-rotatably engaged and held in the upper end opening of the container main body. And an inner cylinder part, an outer cylinder part, and a top plate part that connects them to each other at the upper end. The intermediate cylinder is engaged with the threaded part of the intermediate cylinder at the inner wall of the outer cylinder part, and the intermediate cylinder is rotated. A rotating cover body that is reciprocally movable along the axis of the nozzle, a nozzle head that is elastically supported so as to be slidable on the top plate portion of the rotating cover body, and an inner side of the inner cylinder portion on the nozzle head A pump that sucks, pressurizes, and pumps the contents in the main chamber of the container body by repeating the push-in and return operation, and discharges the contents to the outside through the nozzle head spout,
The lower end of the intermediate cylinder is detachably engaged and held, the pump is enclosed inside, and a sub chamber is defined by an outer wall of the cylinder, an inner wall of the intermediate cylinder, and an inner wall of the rotating cover body. While providing an inner stopper for storing other contents, the container body is slidable along the inner wall and forms a bottom wall of the main chamber, and is fitted into the bottom of the container body and is attached to the back surface of the slider. Each base cup has a passage for introducing air,
In the sub chamber, the rotary cover body is suspended and held, and when the rotary cover body is screwed, the inner plug is pressed at the tip thereof and dropped into the main chamber together with other contents in the sub chamber. A two-component mixing vessel with a pump, characterized in that an opener to be mixed with the contents of is provided.

  In the two-pack mixing container with a pump configured as described above, a stopper can be provided that is disposed between the intermediate cylinder and the rotating cover body and prevents the rotation of the rotating cover body.

  Moreover, it is preferable to provide a sealing member between the intermediate cylinder and the rotating cover body.

  The plug opening body can be constituted by a cylinder body having a wall portion along the inner wall of the intermediate cylinder body, and is rotated by forming a seal wall between the cylinder body and the outer wall of the cylinder. Prevents sticking due to intrusion of other contents on the cover body side.

  The pump for dispensing the contents has an integrated storage structure in which the cylinder end is connected to the inner cylinder part of the rotating cover body and the pump itself is suspended inside the intermediate cylinder body, and the lower end of the intermediate cylinder body An intermediate stopper that is detachably engaged with and held by the intermediate cylinder is provided in the section, and other contents are stored on the outer wall of the cylinder, the inner wall of the intermediate cylinder, and the inner wall of the rotating cover body. Since the sub chamber is formed, the height of the container can be shortened, and the entire container can be gathered compactly.

  Moreover, all the other contents of the sub chamber can be mixed with the contents of the main chamber only by removing the inner plug with the opening body disposed in the sub chamber by screwing the rotating cover body.

Hereinafter, the present invention will be described more specifically with reference to the drawings.
FIG. 1 shows an embodiment of a two-pack mixing container with a pump according to the present invention.

  In the figure, reference numeral 1 denotes a container body that forms a main chamber M for storing contents. The container body 1 has an upper end opening 1a and a lower end opening 1b, inside which a slider 1c (contents are poured out and the main chamber M is slidable along the inner wall and forms the bottom wall of the main chamber M). It slides upward by depressurizing the inside).

  Reference numeral 2 denotes a base cup that is fitted into the bottom of the container body 1 and has a passage t for introducing air (outside air) into the back surface of the slider 1c. Between the tip of the inner cylinder 2a of the base cup 2 and the lower end of the slider 1c, the slider 1c is moved according to the change in internal pressure during mixing of two agents (increase in the internal pressure due to the decrease in the volume in the container body 1). A gap h is provided so that it can be lowered.

Reference numeral 3 denotes an intermediate cylinder. The intermediate cylinder 3 is provided with a threaded portion n on the outer wall of the upper end portion thereof, and a groove portion 3c is formed at the lower end portion thereof by an inner wall 3a and an outer wall 3b, and the upper end opening 1a of the container body 1 is formed in the groove portion 3c. It fits longitudinal ribs r as being engaged with and held non-rotatably by means such as flutes r ₁ for fitting the longitudinal ribs r.

Reference numeral 4 denotes a rotating cover body that covers the upper open end of the intermediate cylinder 3. A cylindrical portion 4a among the rotating cover body 4 whose both ends are opened, an outer cylinder portion 4b having a screw n ₁ that engages with the threaded portion n of the intermediate cylinder member 3 at the inner side wall, the inner cylindrical portion 4a and the outer It consists of a top plate part 4c that connects the cylinder part 4b to each other at its upper end, and reciprocates along the axis L of the intermediate cylinder 3 by screwing (rotating) the rotating cover body 4. Yes.

Reference numeral 5 denotes a nozzle head for pouring out the contents. This nozzle head 5 has a spout 5a connected to the discharge path of the pump, and a stem 5b extending through the inside of the inner cylinder portion 4a and extending into a cylinder described later, and the top plate portion of the rotating cover body 4 A concave portion 4c ₁ provided on 4c is elastically supported so as to be slidable through a spring s.

  Reference numeral 6 denotes a pump for sucking, pressurizing and pumping the contents present in the main chamber M of the container body 1 and discharging the contents to the outside through the spout 5a of the nozzle head 5.

  The pump 6 includes a cylinder 6a having a suction pipe K directed to the main chamber M, a guide 6b integrally connected inside the stem 5b of the nozzle head 5, and a gap between the guide 6b and the stem 5b. A piston 6c that is held back by P and reciprocates together with a guide 6b and a stem 5b in a cylinder 6a, and a check valve 6d that is held on the outlet side of the suction pipe K and prevents the backflow of contents related to suction (illustrated example) Will be displayed with a three-point valve).

  The end (upper end) of the cylinder 6 a of the pump 6 is fitted into a groove 4 d provided on the back surface of the rotating cover 4 and connected to the inner cylinder 4 a, and the pump 6 itself is in the intermediate cylinder 3. The pump 6 is supported in a suspended manner, whereby the pump 6 is housed integrally in the container body 1.

Reference numeral 7 denotes an inner plug that is detachably engaged and held by an engaging means such as an undercut at the lower end of the intermediate cylinder 3. The inner plug 7 seals the pump 6 inside the intermediate cylinder 3, and other contents on the suction pipe K, the outer wall of the cylinder 6 a, the inner wall of the intermediate cylinder 3, and the inner wall of the rotating cover body 4. to form a sub-chamber M ₁ that houses the.

8 is a cap removal member provided in the auxiliary chamber M _1. The plug body 8 is formed of a cylindrical body having a wall portion along the inner wall of the intermediate cylindrical body 3, and a rear end thereof is fixed and held in a groove portion 4 e formed on the back surface of the top plate portion 4 c of the rotating cover body 4. mainly by falling into the main chamber M a middle stopper 7 along with the other contents of the auxiliary chamber M ₁ to press the inside plug 7 at screwing caused by the rotation of the rotating cover body 4 (sliding in the downward) the contents of the chamber M and other contents of the auxiliary chamber M ₁ are mixed.

  Further, 9 is an elastic stopper which is disposed between the step 3d of the intermediate cylinder 3 and the lower end of the rotation cover body 4 and has a C shape which prevents downward movement due to the rotation of the rotation cover body 4. 10 is an overcap for accommodating the nozzle head 5 inside, 11 is a seal member (O-ring or the like) for maintaining airtightness between the intermediate cylinder 3 and the outer cylinder part 4b of the rotating cover body 4, and Reference numeral 12 denotes a seal wall disposed between the opening body 8 and the intermediate cylinder 3 (illustrated as an integral molding with the opening body 8).

  The seal wall 12 prevents other contents from entering the rotating cover body 4 side to prevent its sticking, and the elastic stopper 9 is a thin-walled portion below the outer cylindrical portion 4b of the rotating cover body 4. Or you may replace with the virgin ring body integrally connected so that a fracture | rupture is possible via a connection piece.

Before the container is its opening as constituted above, the main chamber M and the auxiliary chamber M ₁ is securely blocked by the inside plug 7.

When the elastic stopper 9 and the overcap 10 are removed and the rotation cover body 4 is rotated and screwed so as to approach the container body 1, the opening body 8 slides toward the main chamber M of the container body 1 and moves accordingly. By pressing the inner plug 7 at the tip and releasing the engagement by undercut or the like, the inner plug 7 falls toward the main chamber M together with other contents.

  The slider 1c that forms the bottom wall of the container body 1 is shown as having a flat cross-sectional shape in the illustrated example. However, the slider 1c may have a mortar-like cross-sectional shape. All the contents can be collected at the entrance of the suction tube k, and there is an advantage that the contents can be prevented from remaining.

  FIG. 2 shows another embodiment of a two-component mixing container according to the present invention in which only the slide type of the rotating body 8 is changed. In this example, the rotating cover body 4 is rotatable with respect to the intermediate cylinder 3, but is prevented from coming off by an engaging means such as an undercut, and the inner wall surface thereof is shown in FIG. A convex portion 13 having an inverted triangular shape with an inclined surface is provided.

  Further, as shown in FIG. 4, the intermediate cylindrical body 3 is formed with two slits 14 opened upward along the axis L at the position opposed to the wall portion, and the plug opening 8 is located at the position opposed to the outer wall. 5 has a projection 15 as shown in FIG. 5, and the projection 15 passes through the slit 14 of the intermediate cylinder 3 and is linked to the convex portion 13 of the rotating cover body 4 (located below the inclined surface). .

  In the container having such a configuration, the protrusion 15 of the stopper 8 is positioned at the upper end of the convex portion 13 provided on the inner wall surface of the rotating cover 4 before opening.

When the rotating cover body 4 is rotated to drop and mix the contents in the sub chamber M ₁ into the main chamber M,
The projection 15 of the plug opening 8 is pushed downward by the inclined surface of the convex portion 13.

When the projection 15 at the inclined surface of the projection 13 is pressed the protrusion 15 will slide downwardly along the slit 14 together with Hirakisentai 8, inside plug 7 is pressed by this, in the auxiliary chamber M ₁ It falls into the main room M together with the contents.

  As described above, an inverted triangular shape having an inclined surface can be applied as the convex portion 13, but it may be a groove portion into which the protrusion 15 can be inserted. Further, the convex portion 13 can be a spiral groove portion or a spiral convex portion, and this point is not limited.

  Although not shown in the drawings, the inclined surface of the convex portion 13, the spiral groove, or the like is formed with a projection or the like that can be overcome by the projection 15 during rotation. A positioning structure for positioning the protrusion 15 may be adopted.

  As shown in FIGS. 1 and 2, the rotating cover body 4 is provided with an arrow and a mark indicating the rotation direction, and the intermediate cylinder 3 is provided with an alignment mark before and during mixing. Can do. In this case, the user can visually recognize the state from the outside. In addition, although the said arrow and a mark can be formed by providing an unevenness | corrugation, you may form by giving decorations, such as a hot stamp and printing, The formation method is selected suitably.

  Further, the inner plug 7 shown in FIGS. 1 and 2 can be replaced with an aluminum laminate film or the like. In this case, the aluminum laminate film is bonded to the lower end of the intermediate cylinder 3. A cutting blade capable of cutting the film is provided at the bottom of the opening 8 while being fixed by appropriate means such as welding.

  An easy-to-use two-pack mixing container with a pump that can be made compact by integrating the pump and integrally forming the sub chamber and can mix the two agents by simply rotating the rotating cover body can be provided.

It is the figure which showed embodiment of the two-pack mixing container with a pump according to this invention. It is the figure which showed other embodiment of the two-pack mixing container with a pump according to this invention. It is an external appearance perspective view of the rotation cover body of the container shown in FIG. FIG. 3 is an external perspective view of an intermediate cylinder of the container shown in FIG. 2. It is an external appearance perspective view of the container opening body shown in FIG.

Explanation of symbols

1 Container body
1a Upper end opening
1b Lower end opening
1c Slider 2 Base cup 3 Intermediate cylinder
3a inner wall
3b exterior wall
3c Groove
3d Step 4 Rotating cover body
4a Inner tube
4b Outer tube
4c Top panel
4c ₁ recess
4d groove
4e Groove part 5 Nozzle head
5a Outlet
5b Stem 6 pump
6a cylinder
6b Guide
6c piston
6d Check valve 7 Inner plug 8 Opening body 9 Elastic stopper
10 Overcap
11 Seal material
12 Seal wall
13 Convex
14 Slit
15 Projection M Main chamber M ₁ Sub chamber n Threaded portion n ₁ Threaded portion P Clearance k Suction tube r Vertical rib r ₁ Vertical groove

Claims (4)

A container main body having a top opening and forming a main chamber for storing contents therein; an intermediate cylinder having a threaded portion on its outer wall; It consists of a cylinder part, an outer cylinder part, and a top plate part that connects them to each other at the upper end, and engages with a threaded part of the intermediate cylinder on the inner side wall of the outer cylinder part, and rotates to the axis of the intermediate cylinder as it rotates. A revolving cover body that can reciprocate along, a nozzle head that is elastically supported so as to be slidable on the top plate portion of the revolving cover body, and the nozzle head connected to and pushed through the inside of the inner cylinder portion And a pump that sucks, pressurizes, and pumps the contents in the main chamber of the container body by repeating the return operation and discharges the contents to the outside through the nozzle head outlet,
The lower end of the intermediate cylinder is detachably engaged and held, the pump is enclosed inside, and a sub chamber is defined by an outer wall of the cylinder, an inner wall of the intermediate cylinder, and an inner wall of the rotating cover body. While providing an inner stopper for storing other contents, the container body is slidable along the inner wall and forms a bottom wall of the main chamber, and is fitted into the bottom of the container body and is attached to the back surface of the slider. Each base cup has a passage for introducing air,
In the sub chamber, the rotary cover body is suspended and held, and when the rotary cover body is screwed, the inner plug is pressed at the tip thereof and dropped into the main chamber together with other contents in the sub chamber. A two-component mixing container with a pump, characterized in that an opener to be mixed with the contents of is provided.   The two-component mixing container with a pump according to claim 1, further comprising a stopper that is disposed between the intermediate cylinder body and the rotating cover body and prevents the rotation of the rotating cover body.   The two-component mixing container with a pump according to claim 1 or 2, further comprising a seal member between the intermediate cylinder and the rotating cover body.   The opening member is formed of a cylinder having a wall portion along the inner wall of the intermediate cylinder, and is fixed between the cylinder and the outer wall of the cylinder by intrusion of other contents on the rotating cover body side. The two-component mixing container with a pump according to any one of claims 1 to 3, which has a seal wall to be prevented.

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