JP4627005B2 - Two-component mixing container with pump - Google Patents

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 the 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, in this type of container, the main container and the sub container are arranged in series, and since the pump mechanism is additionally incorporated in this, the container tends to be tall, and the contents in the sub chamber In order to add objects to the contents in the main room, it is necessary to perform an accurate alignment operation to match the openings provided in each of them, and even if accurate alignment is possible, auxiliary components Etc. may not be able to be completely removed (when the opening has a certain size, the contents will remain if the powder is used as the contents). It was.

  An object of the present invention is to propose a two-component mixing container with a pump that is easy to use and can be reliably mixed by only rotating operation while the pump mechanism is integrally housed in the container to make the container compact. By the way.

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. A body, an inner cylinder part, an outer cylinder part, and a top plate part connecting them to each other, and an inner wall of the outer cylinder part is engaged with a threaded part of the intermediate cylinder, and the shaft of the intermediate cylinder is rotated along with the rotation. A rotating cover body that can be reciprocated along the center, a nozzle head that is elastically supported so as to be slidable on the top plate portion of the rotating cover body, and the nozzle head connected to the inner cylinder portion and pushed in. 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 spout of the nozzle head,
The cylinder end of the pump is connected to the inner cylinder portion of the rotating cover body, the pump itself is suspended and supported inside the intermediate cylinder body, and the lower end portion of the intermediate cylinder body is integrally connected to the intermediate cylinder body. And a partition that encloses the pump inside and forms a sub-chamber for storing other contents in the outer wall of the cylinder, the inner wall of the intermediate cylinder, and the rotating cover body,
The contents in the main chamber are fixedly held by the rotating cover body in the sub chamber, and the partition wall is pushed off by screwing the rotating cover body, and the partition wall is dropped into the main chamber together with other contents in the sub chamber. And a push cylinder that mixes the other contents in the sub chamber
The container body includes a slider that has a mortar cross section that can slide along the inner wall of the container body and that forms a bottom wall of the main chamber, and a base cup that fits into the bottom of the container body and has a passage for introducing air to the back of the slider. Yes, and
The two-part mixing container with a pump is characterized in that a connecting portion of the partition wall with the intermediate cylinder is formed thin to facilitate excision by the push-off cylinder .

  In the container having the above-described configuration, it is desirable that a stopper for preventing the rotation of the rotating cover body is provided between the intermediate cylinder and the rotating cover body.

The present invention also provides a container body having a top opening and forming a main chamber for storing contents therein, an intermediate cylinder that is non-rotatably engaged with and held by the top opening of the container body, and an inner cylinder And a rotating cover body which is comprised of a head portion, an outer cylinder portion and a top plate portion connecting them to each other and is prevented from slipping off the outer wall of the intermediate cylinder body and is rotatably held around the intermediate cylinder body And a nozzle head that is elastically supported so as to be slidable on the top plate portion of the rotating cover body, and is connected to the nozzle head through the inner cylinder portion, and repeatedly pushes and returns the contents in the container body. A pump that sucks, pressurizes, and pumps objects and discharges the contents to the outside through the nozzle head spout,
The cylinder end of the pump is connected to the inner cylinder portion of the rotating cover body, the pump itself is suspended and supported inside the intermediate cylinder body, and the lower end portion of the intermediate cylinder body is integrally connected to the intermediate cylinder body. And a partition that encloses the pump inside and forms a sub-chamber for storing other contents in the outer wall of the cylinder, the inner wall of the intermediate cylinder, and the rotating cover body,
In the sub chamber, the rotating cover body is fixed and held, and the partition wall is pushed by a slide (a linear slide that moves downward) along with the rotation of the rotating cover body, and the partition wall is moved to other contents in the sub chamber. Provided with a push-off cylinder that drops into the main chamber together with the object and mixes the contents in the main chamber and the other contents in the sub chamber,
The container body includes a slider that has a mortar cross section that can slide along the inner wall of the container body and that forms a bottom wall of the main chamber, and a base cup that fits into the bottom of the container body and has a passage for introducing air to the back of the slider. Yes, and
The two-part mixing container with a pump is characterized in that a connecting portion of the partition wall with the intermediate cylinder is formed thin to facilitate excision by the push-off cylinder .

In the container having the above-described configuration, the rotating cover body is provided with a convex portion or a spiral groove having an inclined surface on the inner wall surface thereof, along the axis of the intermediate cylinder at a position opposite to the wall of the intermediate cylinder. Two slits that open are provided, and the push-cut cylinder passes through the slit of the intermediate cylinder at a position opposite to the outer wall, and is linked to the inclined surface of the convex part of the rotating cover body or the spiral groove. It is desirable to provide a projection that slides the push-out cylinder along the slit by the rotation of the moving cover body.

  A seal member such as an O-ring that maintains airtightness is disposed between the intermediate cylinder and the outer cylinder of the rotating cover body.

  Further, it is desirable to provide a gap between the slider and the base cup so as to lower the slider in accordance with a change in internal pressure of the container body.

  The pump that dispenses the contents is connected to the lower end of the inner cylinder of the rotating cover body and the pump itself is suspended and supported inside the intermediate cylinder. Can be shortened.

  In addition, a partition wall that is integrally connected to the intermediate cylinder is provided at the rear end of the intermediate cylinder, and the pump is enclosed inside thereof, and the outer wall of the cylinder, the inner wall of the intermediate cylinder, and the rotating cover body are also used. It is possible to drop off all the other contents of the sub-chamber toward the main chamber by forming a sub-chamber for storing the contents of the sub-chamber and pushing the partition with a push-off cylinder having a cutting edge at the tip.

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 (which is squeezed out of the contents) is slidable along the inner wall and forms a mortar cross section forming the bottom wall of the main chamber M. The inside of the main chamber M is slid upward by depressurizing the inside of the main chamber M).

Reference numeral 2 denotes a base cup which 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 1b. 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 parts 4b to each other, and reciprocates along the axis of the intermediate cylinder 3 by screwing (rotating) the rotating cover body 4.

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 recess 4c ₁ provided on 4c is elastically held 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 whose mouth is 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 reciprocally moved 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 inhaled (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.

Reference numeral 7 denotes a partition wall integrally connected to the lower end portion of the intermediate cylinder 3. The partition 7 encloses the pump 6 inside the intermediate cylinder 3, and stores the other contents in the suction tube k, the outer wall of the cylinder 6 a, the inner wall of the intermediate cylinder 3, and the rotating cover body 4. ₁ is formed. In addition, the connection site | part with the intermediate | middle cylinder 3 of the partition 7 is formed more thinly than another site | part in order to make excision by the below-mentioned push cut cylinder easy.

8 is press-cutting cylinder which is provided in the auxiliary chamber M _1. This push-cut cylinder 8 has a plurality of inverted triangular blade edges 8a in the circumferential direction at its tip, and its rear end is fixed and held in a groove 4e formed on the back surface of the top plate portion 4c of the rotating cover 4. press cutting the partition wall 7 at screwing caused by the rotation of the rotating cover body 4 (sliding in the downward), the partition wall 7 by dropping into the main chamber M with other contents of the auxiliary chamber M ₁ in the main chamber M mixing the other contents of the contents and the auxiliary chamber M _1.

  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 that houses the nozzle head 5 inside, and 11 is a seal member (O-ring, etc.) for maintaining the airtightness between the intermediate cylinder 3 and the outer cylinder part 4b of the rotating cover body 4. is there. The elastic stopper 9 can be replaced with a virgin ring body integrally connected to the lower portion of the outer cylinder portion 4b of the rotating cover body 4 through a thin wall portion or a connecting piece so as to be breakable.

Container as constituted above before its opening, the main chamber M and the auxiliary chamber M ₁ is securely blocked by the partition wall 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 push-off cylinder body 8 slides toward the main chamber M of the container body 1 accordingly. The partition wall 7 is pushed by the cutting edge 8a, and the cut partition wall 7 is dropped toward the main chamber M together with other contents.

  The slider 1c that forms the bottom wall of the container body 1 has a mortar-like cross-sectional shape, so that all the contents in the main chamber M can be collected at the entrance of the suction tube k and prevent the contents from remaining. be able to.

  FIG. 2 shows another embodiment of the container according to the present invention. In this example, the rotating cover body 4 is rotatable with respect to the intermediate cylinder 3, but is prevented from being detached by an engaging means such as an undercut C, and the inner wall surface thereof is shown in FIG. Further, a convex portion 12 having an inverted triangular shape having an inclined surface is provided. Further, as shown in FIG. 4, the intermediate cylinder 3 has two slits 13 opened upward along the axial center thereof at a position facing the wall portion, and the push-off cylinder 8 is positioned at a position facing the outer wall in FIG. The projection 14 passes through the slit 13 of the intermediate cylinder 3 and is linked to the convex portion 12 of the rotating cover body 4 (located below the inclined surface).

  In the container having such a configuration, the protrusion 14 of the push-off cylinder 8 is positioned at the upper end of the convex portion 12 provided on the inner wall surface of the rotating cover body 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 protrusion 14 of the push-off cylinder 8 is pushed downward on the inclined surface of the convex portion 12.

When the projection 14 at the inclined surface of the projection 12 is pressed the protrusion 14 will slide downwardly along the slit 13 together with push cutter cylinder 8, thereby the partition wall 7 is pressed all the way, the contents of the auxiliary chamber M ₁ Drops into the main room M together with things.

  As described above, an inverted triangular shape having an inclined surface can be applied as the convex portion 12, but it may be a groove portion into which the protrusion 14 can be inserted. Further, the convex portion 12 can be a spiral groove portion or a spiral convex portion, and this point is not limited. Although not shown, the inclined surface of the convex portion 12, the spiral groove, and the like are formed with protrusions and the like that can be overcome by the protrusions 14 during rotation, and the push-cylinder body 8 is in a position before mixing the two agents. A structure for positioning the protrusion 14 may be used.

  Further, as shown in FIGS. 1 and 2, the rotation 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. In this case, the user can visually recognize the state from the outside, which is preferable. In addition, although the said arrow and a mark can be formed by providing an unevenness | corrugation, you may form by giving decorating, such as a hot stamp and printing, The method is selected suitably.

  An easy-to-use two-component mixing container with a pump that can be made compact by integrating the pump and can mix 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. It is the external appearance perspective view which showed the principal part of the intermediate | middle cylinder of the container shown in FIG. It is the external appearance perspective view which showed the principal part of the push-cut cylinder of the container 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 plate
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 Bulkhead 8 Pressed cylinder
8a Cutting edge 9 Elastic stopper
10 Overcap
11 Seal material
12 Convex
13 Slit
14 Projection M Main chamber M ₁ Sub chamber n Threaded portion n ₁ Threaded portion P Clearance k Suction pipe r Vertical rib r ₁ Vertical groove t Passage

Claims (7)

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 which connects them to each other. The inner wall of the outer cylinder part engages with a threaded part of the intermediate cylinder, and as it rotates, along the axis of the intermediate cylinder. A revolving cover body that can reciprocate, a nozzle head that is elastically supported so as to be slidable on the top plate portion of the revolving cover body, and a push and return operation connected to the nozzle head through the inner cylinder portion A pump that sucks, pressurizes, and pumps the contents in the main chamber of the container body by repeating and discharges the contents to the outside through the spout of the nozzle head,
The cylinder end of the pump is connected to the inner cylinder portion of the rotating cover body, the pump itself is suspended and supported inside the intermediate cylinder body, and the lower end portion of the intermediate cylinder body is integrally connected to the intermediate cylinder body. And a partition that encloses the pump inside and forms a sub-chamber for storing other contents in the outer wall of the cylinder, the inner wall of the intermediate cylinder, and the rotating cover body,
The contents in the main chamber are fixedly held by the rotating cover body in the sub chamber, and the partition wall is pushed through by screwing the rotating cover body, and the partition wall is dropped into the main chamber together with other contents in the sub chamber. And a push cylinder that mixes the other contents in the sub chamber
The container body includes a slider that has a mortar cross section that can slide along the inner wall of the container body and that forms a bottom wall of the main chamber, and a base cup that fits into the bottom of the container body and has a passage for introducing air to the back of the slider. has,
The two-part mixing container with a pump , wherein a connecting portion of the partition wall with the intermediate cylinder is formed to be thin to facilitate excision by the push cylinder .   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. A container main body having a top opening and forming a main chamber for storing contents therein, an intermediate cylinder non-rotatably engaged and held in the upper end opening of the container main body, an inner cylinder portion, an outer cylinder portion, and A rotating cover body comprising a top plate portion for connecting them to each other and prevented from slipping out on the outer wall of the intermediate cylinder body and rotatably held around the intermediate cylinder body, and the rotation cover A nozzle head that is elastically supported so as to be slidable on the top plate portion of the body, and is connected to the nozzle head through the inner tube portion, and the pushing and returning operations are repeated to suck and press the contents in the container body. A pump for pumping and discharging the contents to the outside through the spout of the nozzle head;
The cylinder end of the pump is connected to the inner cylinder portion of the rotating cover body, the pump itself is suspended and supported inside the intermediate cylinder body, and the lower end portion of the intermediate cylinder body is integrally connected to the intermediate cylinder body. And a partition that encloses the pump inside and forms a sub-chamber for storing other contents in the outer wall of the cylinder, the inner wall of the intermediate cylinder, and the rotating cover body,
In the sub chamber, the rotating cover body is fixed and held, and the partition wall is pushed by a slide associated with the rotation of the rotating cover body, and the partition wall is dropped into the main chamber together with other contents in the sub chamber. A push-off cylinder that mixes the contents of this with the other contents of the sub-chamber,
The container body includes a slider that has a mortar cross section that can slide along the inner wall of the container body and that forms a bottom wall of the main chamber, and a base cup that fits into the bottom of the container body and has a passage for introducing air to the back of the slider. has,
The two-part mixing container with a pump , wherein a connecting portion of the partition wall with the intermediate cylinder is formed to be thin to facilitate excision by the push cylinder . The rotating cover body has a convex portion having an inclined surface on its inner wall surface, and the intermediate cylinder has two slits that open along the axis of the intermediate cylinder at a position opposite to the wall. The push-cut cylinder passes through the slit of the intermediate cylinder at a position opposed to the outer wall and is linked to the inclined surface of the convex portion of the rotary cover body, and the push-cut cylinder is slit by the rotation of the rotary cover body. The two-component mixing container with a pump according to claim 3, which has a protrusion that slides along the axis. The rotating cover body has a spiral groove on its inner wall surface, said intermediate cylinder has two slits which open along the axis of the intermediate tubular member to the opposite position of the wall portion, the press-cutting The cylindrical body has a projection that passes through the slit of the intermediate cylindrical body and is linked to the spiral groove of the rotating cover body at a position opposite to the outer wall, and slides the cylindrical body along the slit by rotating the rotating cover body. The two-component mixing container with a pump according to claim 3.   The two-component mixing container with a pump according to any one of claims 1 to 5, further comprising a sealing member that maintains airtightness between the intermediate cylindrical body and the outer cylindrical portion of the rotating cover body.   The two-component mixing container with a pump according to any one of claims 1 to 6, wherein a gap is provided between the slider and the base cup to lower the slider in accordance with a change in internal pressure of the container body.

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