JP6137538B2 - Two-component mixing container - Google Patents

Description

  The present invention relates to a two-component mixing container.

  As this type of container, there is known a container in which the inside of a container body is divided into two chambers and different drugs are stored in the respective chambers, and the two chambers are communicated and mixed by removing the partition by a certain operation. For example, in the container of Patent Document 1, a trigger type liquid discharge device is attached to the upper end opening of a body portion of a container body, and a liquid discharge container in which a liquid suction pipe is suspended from the discharge device to the bottom side of the body portion. From the large-diameter peripheral wall that forms the lower half of the part, a small-diameter peripheral wall that is the upper half of the trunk is formed through a step that inclines upward and inward, and the small-diameter is attached to the liquid suction pipe. A partition plate for closing the lower end of the peripheral wall is provided. The entire body is formed of an elastic material, and when the upper part of the container is pushed down, the step is elastically deformed into an inclined state inwardly downward, and the partition plate is detached downward from the lower end of the small-diameter peripheral wall part, Two chambers communicate with each other and the two agents are mixed.

JP-A-9-254990

  According to the configuration of Patent Document 1, there is a possibility that the body part is deformed and the two agents are mixed by an unexpected impact from the outside, for example, an impact when the container is dropped on the floor. Further, in order to apply the invention of Patent Document 1, a special form in which the lower half of the trunk is large in diameter and the upper half is small in diameter must be adopted, so that the diameter of the trunk is constant. It is difficult to apply the present invention to a certain existing ordinary container body.

The first object of the present invention is to provide a two-agent mixing container that can reliably separate and house two agents and is easy to mix.
The second object of the present invention is to provide a two-component mixing container that can also be applied to an existing general container.

The first means is
A container body 2 in which the mouth and neck portion 6 is erected from the body portion 4 with the lower end open;
A discharge device 10 that is mounted on the mouth-and-neck portion 6 and sucks the contents in the body portion 4 from the suction port 26 and discharges from a nozzle 32 that opens above the mouth-and-neck portion 6;
The upper surface of the peripheral wall portion 42 that is liquid-tightly fitted to the lower inner surface of the body portion 4 is closed by the upper bottom wall portion 48, and the lower bottom wall portion 60 is fitted in the peripheral wall portion 42 so as to be movable up and down in a liquid-tight manner. A combined bottom member 40;
A base that is attached to the lower portion of the peripheral wall portion 42 so as to be able to rise by being pushed up, and is configured separately or integrally with the lower bottom wall portion 60 so that the pushing force can be transmitted to the lower bottom wall portion 60. 74,
A stopper 80 fitted between the peripheral wall portion 42 of the bottom member 40 and the base 74;
Comprising
A plug hole 50 is opened in the upper bottom wall portion 48, and the plug hole 50 is liquid-tightly closed by a plug body 70 at the upper end portion of the plug rod 68 that stands up from the lower bottom wall portion 60. The space surrounded by the upper surface of 48 and the inner surface of the container body part above the upper bottom wall portion 48 is in the first agent storage chamber A, and the space sandwiched between the upper bottom wall portion 48 and the lower bottom wall portion 60 is the second agent. Each formed in storage room B,
By removing the stopper 80 and raising the lower bottom wall portion 60, the plug hole 50 is opened so that the first agent storage chamber A and the second agent storage chamber B communicate with each other.

  In this means, as shown in FIG. 1, the bottom member 40 is fitted into the body portion 4, and a stopper 80 is fitted between the peripheral wall portion 42 of the bottom member 40 and the base 74 of the support member 72. When the base plate 74 is pushed up by removing the stopper 80, the bottom bottom wall portion 60 and the plug bar 68 of the bottom member 40 rise together with the base plate 74 (see FIG. 3). Thereby, the plug body 70 at the upper end of the plug rod 68 is detached from the plug hole 50, and the first agent storage chamber A and the second agent storage chamber B communicate with each other. The lower bottom wall 60 and the base 74 can be formed separately or integrally. This will be described later. The plug rod 68 can also be formed separately from or integrally with the lower bottom wall portion 60.

The second means comprises the first means, and
A support cylinder 76 is raised from the base 74,
The stopper 80 includes a C-shaped stopper main body 82 in a plan view that is detachably attached to the outer surface of the support cylinder portion 76, and an operation piece 84 formed on the outer surface of the stopper main body 82.
Said base bottom wall 60, as well as placed on the supporting cylinder unit 76, the outer peripheral surface of the support cylinder portion 76, an inward flange portion which is inwardly projected from the lower portion of the peripheral wall portion 42 of the bottom member 40 46 is fitted,
A stopper main body 82 was inserted between the lower surface of the inward flange portion 46 and the base 74.

  In this means, the stopper main body is interposed between the base 74 of the support member 72 and the inward flange portion 46 of the peripheral wall portion 42 of the bottom member 40 using a stopper 80 having a C-shaped stopper main body 82 shown in FIG. 82 is inserted (see FIG. 2).

According to the first aspect of the invention, since the stopper 80 is inserted between the body 4 of the container body and the base 74, the first agent storage chamber and the second agent storage chamber are separated by an unexpected impact. Since the second agent storage chamber is formed in the bottom member 40 inserted into the barrel without being released and the two agents are mixed, the present invention can also be applied to an existing normal container body.
According to the invention relating to the second means, since the stopper main body 82 is inserted between the lower surface of the inward flange portion 46 and the base 74, the weight of the contents of the container body 2 can be sufficiently supported. .

It is a half longitudinal cross-sectional view of the 2 agent mixing container which concerns on 1st Embodiment of this invention. It is a cross-sectional enlarged view of the principal part of the 2 agent mixing container of FIG. It is action | operation explanatory drawing of the 2 agent mixing container of FIG. It is a top view of the member (stopper) of the 2 agent mixing container of FIG. It is a cross-sectional enlarged view of the principal part of the 2 agent mixing container which concerns on 2nd Embodiment of this invention. It is a top view of the member (stopper) of the 2 agent mixing container of FIG.

  1 to 4 show a two-component mixing container according to the first embodiment of the present invention. The two-component mixing container includes a container body 2, a discharge device 10, an overcap 34, a bottom member 40, a support member 72, and a stopper 80. Each of these members can be formed of, for example, a synthetic resin or a metal.

  The container body 2 has a mouth-and-neck portion 6 erected from a trunk portion 4 having an open bottom surface through a shoulder portion.

  The discharge device 10 includes a mounting cylinder member 12 and a pump body 20. The mounting cylinder member 12 has a mounting cylinder part 14 fitted (screwed in the illustrated example) to the outer surface of the mouth-and-neck part 6, and an inward flange 16 attached to the upper end of the mounting cylinder part 14. The flange portion 24 and the packing 18 of the pump main body 20 can be sandwiched between the inward flange 16 and the neck 6. A guide tube portion 17 is erected from the upper surface of the outer peripheral portion of the inward flange 16. A vertical groove 17 a is vertically provided inside the guide tube portion 17.

  The pump body 20 has a cylinder 22 having a flange 24 at the upper end, and a suction port 26 is opened at the lower end of the cylinder 22 and a cylindrical piston that moves upward and downward by being biased upward in the cylinder 22 (see FIG. A stem 28 rising from a not-shown) is raised, and a pressing head 30 with a nozzle 32 is attached to the upper portion of the stem 28. In the illustrated example, an engaging protrusion 30a attached to the lower end of the outer surface of the pressing head 30 is inserted into the vertical groove 17a to restrict the opening direction of the nozzle 32. The cylinder 22 is fixed to the mouth-and-neck portion 6 by the mounting cylinder member 12 while being inserted into the container body 2. Although not shown, in the discharge device 10, the inside of the cylinder 22 becomes negative pressure by the raising of the pressing head 30, and the contents of the container body 2 are transferred from the suction port 26 into the cylinder 22 through the first check valve. The contents in the cylinder 22 are provided so as to protrude from the nozzle 32 via the second check valve by suction and pressing of the pressing head 30.

  The overcap 34 is fitted to the outer surface of the mounting cylinder portion 14.

  The bottom member 40 includes a peripheral wall portion 42, an upper bottom wall portion 48, a lower bottom wall portion 60, and a plug rod 68.

  The peripheral wall portion 42 is fitted to the lower inner surface of the body portion 4. An upper end portion of the peripheral wall portion 42 is formed in a small outer diameter portion 44, and an inward flange portion 46 protrudes inward from the lower end of the peripheral wall portion 42.

  The upper bottom wall portion 48 is in the shape of a ring plate having a plug hole 50 at the center, and the short cylinder portion 52 is formed from the hole edge of the plug hole 50 and the first connecting tube portion is formed from the outer peripheral portion of the upper bottom wall portion 48. 54 and abutment convex portion 56 are suspended from the inner peripheral portion of the back surface. The abutting projection 56 shown in the figure is formed by intermittently providing notches 56a in the circumferential direction of the cylindrical wall. However, unlike the illustrated example, the notch may be omitted from the cylinder wall to form a simple cylinder, or the boss-shaped (or solid rod-shaped) abutting projection 56 is suspended from a suitable position on the back surface of the upper bottom wall 48. May be. Further, the entire abutting convex portion 56 may be omitted. The first connecting cylinder portion 54 is fitted to the small outer diameter portion 44 of the peripheral wall portion 42. The abutting convex portion 56 is set to have a length so as to abut against the lower bottom wall portion 60 when a plug 70 described later is detached from the plug hole 50. A stopper piece 58 that presses against the inner surface of the body portion 4 protrudes from the outer periphery of the upper bottom wall portion 48. The upper bottom wall 48 is fixed to the body 4 by pressing the stopper piece 58 to the body 4.

  The lower bottom wall portion 60 is formed as a bottom plate having a fitting hole 62 in the center of the upper surface, and an upper and lower skirt-shaped cylindrical piston 64 is provided around the outer peripheral portion of the bottom plate, and from the inner peripheral portion of the back surface of the bottom plate. The second connecting cylinder portion 66 is suspended. The second connecting cylinder portion will be described later. The cylindrical piston 64 is in liquid-tight contact with the inner surface of the body 4 so as to be movable up and down.

  The plug rod 68 has a large-diameter lower end portion 68a in a preferred illustrated example, and the lower end portion is fitted into the fitting hole 62 so as to stand up inside the peripheral wall portion 42. The upper end portion of the plug bar 68 protrudes in the horizontal direction in a bowl shape to form a plug body 70, and the plug body 70 is fitted in the plug hole 50 in a liquid-tight manner.

  The space surrounded by the upper surface of the upper bottom wall 48 and the inner surface of the container body part above the upper bottom wall 48 is the first agent storage chamber A, and the interior of the bottom member 40 is the second agent storage chamber B. Form.

  The support member 72 is formed by raising a support cylinder portion 76 from the center portion of the horizontal base 74. The inward flange portion 46 is fitted to the intermediate portion in the longitudinal direction of the support cylinder portion 76. The upper outer surface of the support cylinder part 76 is fitted to the outer surface of the second connection cylinder part 66, and the upper end surface of the support cylinder part 76 abuts against the back surface of the lower bottom wall part 60. In this state, an insertion allowance for a stopper 80 described later is provided between the lower ends of the body 4 and the peripheral wall 42 and the base 74. Unlike the illustrated example, the base 74 can be formed integrally with the lower bottom wall portion 60. For example, a structure in which the central portions of the base 74 and the lower bottom wall portion 60 are integrally connected with a support rod may be employed.

  As shown in FIG. 4, the stopper 80 includes a C-shaped stopper main body 82 in a plan view cut out on the left side of the drawing, and an operation piece 84 formed on the outer surface of the stopper main body 82 on the side opposite to the cutout portion. It is configured. The illustrated operation piece 84 protrudes outward from the peripheral surface of the body 4. The stopper main body 82 has a certain width over the entire circumferential direction, and is fitted between the base 74 and the inward flange portion 46. From both ends of the C-shaped stopper main body 82, a pair of abutting protrusions 82 a for abutting against the outer surface of the support cylinder part 76 when being attached to the support cylinder part 76 are projected. The operation piece 84 is in the form of a vertical plate, and its tip is wide in the vertical direction and is formed in a knob portion 84a that is T-shaped in plan view.

  According to the above configuration, when the stopper is pulled out from the state of FIG. 1, the body portion 4 of the container body 2 is gripped and the base 74 of the support member 72 is pushed up, the bottom bottom wall portion 60 of the bottom member 40 and the base 74 are The plug rod 68 rises with respect to the peripheral wall portion 42 and the upper bottom wall portion 48 of the bottom member 40. As a result, the plug 70 at the upper end of the plug bar 68 is detached from the plug hole 50, whereby the first agent storage chamber A and the second agent storage chamber B communicate with each other and the first agent and the second agent are mixed.

  5 to 6 show a two-component mixing container according to a second embodiment of the present invention. In the description of this embodiment, the description of the same matters as in the first embodiment is omitted. In this embodiment, as shown in FIG. 5, the stopper 80 is attached to a C-shaped stopper main body 82 in a plan view cut out on the left side of the drawing, and an outer surface of the stopper main body 82 at a position positioned in the vertical direction of the drawing. A pair of operation pieces 84 is used. The operation piece 84 in the illustrated example does not protrude outside the peripheral surface of the body portion 4 depicted by an imaginary line in FIG.

  When removing the stopper 80, it is only necessary to put a finger between the base 74 and the body 4, hook the finger on the pair of knobs 84a, and pull outward.

DESCRIPTION OF SYMBOLS 2 ... Container body 4 ... trunk | drum 6 ... mouth neck part 10 ... discharge apparatus 12 ... installation cylinder member 14 ... installation cylinder part 16 ... inward flange 17 ... guide cylinder part 17a ... vertical groove
DESCRIPTION OF SYMBOLS 18 ... Packing 20 ... Pump main body 22 ... Cylinder 24 ... Gutter part 26 ... Suction port 28 ... Stem 30 ... Depressing head 30a ... Engagement protrusion 32 ... Nozzle 34 ... Overcap
DESCRIPTION OF SYMBOLS 40 ... Bottom member 42 ... Peripheral wall part 44 ... Small outer diameter part 46 ... Inward flange part 48 ... Upper bottom wall part 50 ... Plug hole 52 ... Short cylinder part 54 ... 1st connection cylinder part 56 ... Abutting convex part 56a ... Notch 58 ... Stopper piece
60 ... Lower bottom wall part 62 ... Fitting hole 64 ... Cylindrical piston 66 ... Second connecting cylinder part 68 ... Plug bar 68a ... Large diameter lower end part 70 ... Plug body 72 ... Support member 74 ... Base 76 ... Support cylinder part 80 ... Stopper 82 ... Stopper body 82a ... Contacting piece 84 ... Operation piece 84a ... Knob A ... First agent storage chamber B ... Second agent storage chamber

Claims (2)

A container body (2) in which the mouth and neck (6) is erected from the trunk (4) having an open bottom;
Attached to the mouth / neck part (6), the contents in the body part (4) are sucked from the suction port (26) and discharged from the nozzle (32) opened above the mouth / neck part (6). A provided discharge device (10);
The upper surface of the peripheral wall portion (42) that is liquid-tightly fitted to the lower inner surface of the body portion (4) is closed by the upper bottom wall portion (48), and can be lifted and lowered in the peripheral wall portion (42). A bottom member (40) formed by fitting the lower bottom wall portion (60) to
It is attached to the lower part of the peripheral wall part (42) so that it can be raised by being pushed up, and the pushing force can be transmitted to the lower bottom wall part (60) separately from the lower bottom wall part (60) or An integrated base (74);
A stopper (80) fitted between the peripheral wall (42) of the bottom member (40) and the base (74);
Comprising
A plug hole (50) is opened in the upper bottom wall portion (48), and the plug hole (50) is formed by a plug body (70) at the upper end portion of the plug rod (68) standing up from the lower bottom wall portion (60). ) In a liquid-tight manner, and a space surrounded by the upper surface of the upper bottom wall portion (48) and the inner surface of the container body portion above the upper bottom wall portion (48) is defined as the first agent storage chamber (A). A space sandwiched between the wall portion (48) and the lower bottom wall portion (60) is formed in the second agent storage chamber (B), respectively.
By removing the stopper (80) and raising the lower bottom wall (60), the plug hole (50) is opened, and the first agent storage chamber (A), the second agent storage chamber (B), The two-component mixing container is provided so as to communicate with each other. A support cylinder (76) is erected from the base (74),
The stopper (80) includes a C-shaped stopper main body (82) that is removably attached to the outer surface of the support cylinder (76), and an operation piece (84) formed on the outer surface of the stopper main body (82). Consists of
The lower bottom wall portion (60), as well as placed on the supporting cylinder unit (76), the outer peripheral surface of the supporting cylinder unit (76), a peripheral wall portion of the bottom member (40) (42) The inward flange part (46) protruding inward from the lower part is fitted,
The two-component mixing container according to claim 1, wherein a stopper main body (82) is inserted between the lower surface of the inward flange portion (46) and the base (74).