JP2011098768A - Quantifying discharge cap - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a quantifying discharge cap which is user friendly and discharges a certain amount of liquid matter. <P>SOLUTION: A cap body 4 is provided with: a tubular part 16 having an interior communicating with a container opening 3 and having a top wall part 24; a tubular member 31 disposed around the tubular part 16 and communicated with the interior of the tubular part 16 via a through hole 25; an annular wall part 12a closing the part between the lower end of the tubular member 31 and the tubular part 16; an annular valve element 32 elastically-deformably extending from the upper end of the tubular part 31 and seated on an annular valve seat 24a provided on the outer surface of the tubular part 16 which is above the through-hole 25; a discharge opening 33 provided between the annular valve seat 24a and the annular valve element 32; and a movable member 27 which is disposed in the tubular part 16, is movable from the position that interrupts the communication between the tubular part 16 and the container opening 3 to the position that closes the through-hole 25 of the tubular part 16, and has the function of floating with respect to the liquid matter. Then, the cap is user-friendly and discharges a certain amount of liquid matter. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a quantitative discharge cap that is fitted into a container opening and discharges a predetermined amount of liquid material (for example, lotion) in the container.

  As a conventional technique capable of quantitatively discharging a liquid material in a container, Patent Document 1 discloses that a quantitative discharge container includes a storage chamber defined by a top plate of a container body, a mouth cylinder, and an outer wall, and a top of a cap. The metering chamber is provided in a cylindrical partition wall provided in the center of the inner surface of the wall, and the top wall of the cap is provided with a spout at the end facing the hinge, and the metering discharge container is inverted, Allow the contents to flow into the measuring chamber, then return the metering discharge container to the upright state, let the contents flow out of the measuring chamber into the storage chamber, and open the open / close lid to open the metering discharge container. , The contents stored in the storage chamber are discharged through the spout, but the contents are already weighed and stored in the measuring chamber, so an accurate amount of the contents can be It is disclosed that it is discharged more.

JP 2006-151461 A

  However, in the quantitative discharge container according to Patent Document 1 described above, when the open / close lid is opened and the container is turned upside down, the contents are discharged at a stroke, which may cause inconvenience for the user, and there is still room for improvement.

  The present invention has been made in view of such a point, and an object thereof is to provide a quantitative discharge cap that is easy to use and can discharge a fixed amount of liquid material.

As a means for solving the above-mentioned problems, the present invention provides a metering discharge cap including a cap body attached to a container mouth, the inside of the cap body having the container mouth. A first cylindrical portion having a ceiling wall portion, and the first cylindrical portion disposed around the first cylindrical portion, and communicated with the inside of the first cylindrical portion via a through hole provided in the first cylindrical portion. A second cylindrical portion, an annular wall portion closing between the lower end of the second cylindrical portion and the first cylindrical portion, an upper end of the second cylindrical portion, and the first cylindrical portion A valve body that extends in an elastically deformable manner so as to close the space between the valve seat and a valve seat that is provided on an outer surface above the through hole of the first tubular portion, and is provided between the valve seat and the valve body. And the first cylindrical portion penetrating from a position that is disposed in the first cylindrical portion and blocks communication between the first cylindrical portion and the container port. It is movable to a position to close the, is characterized in that and a movable member having a function of floating relative to the liquid product flowing into the first cylindrical portion.
In the first aspect of the present invention, when the container is inverted, the moving member moves downward so that the inside of the first cylindrical portion and the container mouth communicate with each other, and the liquid material passes through the inside of the first cylindrical portion from the container mouth. It flows into the second cylindrical part, and the moving member floats with respect to the liquid substance in the first cylindrical part. Meanwhile, an annular space surrounded by the second cylindrical portion, the valve body and the annular wall portion around the first cylindrical portion, and a space between the top wall portion and the moving member in the first cylindrical portion. A fixed amount of liquid material is stored in each, and the moving member finally reaches a position where the communication between the first cylindrical portion and the container port is blocked. Then, when the body part of the container is pushed, the internal pressure rises and the moving member moves in the first cylindrical part toward the top wall part and the valve body is separated from the valve seat and stored as described above. The liquid material is discharged to the outside from the discharge port that appears between the valve body and the valve seat. Further, since the moving member finally reaches the position where the through hole of the first cylindrical portion is closed, the subsequent discharge of the liquid material is restricted.

According to a second aspect of the present invention, in the first aspect of the invention, the cap body includes a lid that is crowned by the cap body, and the lid body, when the lid body is crowned by the cap body, It has a pressing part which presses the elastically deformable top wall part of the 1st cylindrical part of the above-mentioned cap body.
In the invention of claim 2, when the lid body is crowned by the cap body, the pressing portion of the lid body presses the top wall portion of the first tubular portion of the cap body, so that the moving member in the first tubular portion Can be quickly lowered to a position where the communication between the first cylindrical portion and the container port is blocked.

The invention described in claim 3 is the invention described in claim 2, wherein the lid body has a pressing portion that presses the valve body against the valve seat when the lid body is covered with the cap body. It is characterized by comprising.
In the invention of claim 3, when the lid body is crowned by the cap body, the pressing portion of the lid body presses the valve body, so that the valve body is brought into close contact with the valve seat and the discharge port is reliably closed.

The invention described in claim 4 is a quantitative discharge cap including a cap main body attached to a container mouth, and the cap main body includes a cylindrical portion having an inner wall communicating with the container mouth and having a top wall portion. A through hole provided in the cylindrical portion, a valve body seated on a valve seat provided on an outer surface around the through hole, and opening and closing the through hole; and disposed in the cylindrical portion, the cylinder It is movable from a position that blocks communication between the cylindrical part and the container port to a position that closes the through hole of the cylindrical part, and has a function of floating with respect to the liquid material flowing into the cylindrical part And a moving member.
In the invention of claim 4, when the container is inverted, the moving member moves downward so that the inside of the first cylindrical portion and the container mouth communicate with each other, and the liquid material flows into the first tubular portion from the container mouth and moves. While the member floats with respect to the liquid substance in the first cylindrical part, a fixed amount of liquid substance is stored in the space between the top wall part and the moving member in the first cylindrical part, and the moving member finally becomes The position reaches the position where the communication between the first cylindrical portion and the container port is blocked. Then, when the body part of the container is pushed, the internal pressure rises and the moving member moves in the first cylindrical part toward the top wall part, and the valve body leaves the valve seat and is stored in the first cylindrical part. A fixed amount of liquid is discharged from the through hole of the first cylindrical portion. Further, since the moving member finally reaches the position where the through hole is closed, the discharge of the liquid material thereafter is restricted.

According to the constant discharge cap of the present invention, when discharging the liquid substance to the outside, when the container body is turned upside down after the container is inverted, the internal pressure of the container rises and moves in the first cylindrical part. As the member moves, the valve body moves away from the valve seat, and a fixed amount of liquid material is discharged from the discharge port to the outside.
As a result, it is possible to avoid a situation in which the contents are discharged at once when the container is turned upside down by opening the open / close lid, and the liquid material in the container is quantitatively discharged to the outside by the user's intention. It is possible to improve usability.

FIG. 1 is a cross-sectional view of a quantitative discharge cap according to an embodiment of the present invention. 2 shows a main part of FIG. 1, in which (a) is a top view and (b) is a cross-sectional view. 3A is a top view of a cylindrical member employed in the constant rate discharge cap of FIG. 1, and FIG. 3B is a cross-sectional view. FIG. 4 is a diagram illustrating a state in which the liquid material is discharged from the fixed amount discharge cap to the outside of the fixed amount.

DESCRIPTION OF EMBODIMENTS Hereinafter, embodiments for carrying out the present invention will be described in detail with reference to FIGS.
As shown in FIG. 1, a liquid substance (for example, lotion) in the container body 2 is quantified outside the container opening 3 of the container body 2 made of an elastically deformable (or flexible) synthetic resin. A fixed amount discharge cap 1 for discharging is fitted.
As shown in FIG. 1, the fixed-quantity discharge cap 1 includes a cap body 4 that is fitted to the container port 3 and a lid body 6 that is coupled to the cap body 4 via a hinge portion 5. The cap body 4, the hinge portion 5, and the lid body 6 are integrally formed of synthetic resin. The cap body 4 and the lid body 6 may be configured separately from each other without connecting the lid body 6 to the cap body 4 by the hinge portion 5.

  As shown in FIG. 1, the cap body 4 is provided with a trunk portion 11 that is suspended downward from the outer peripheral edge of the top surface portion 12, and a concentric circle that is concentrically lowered from the top surface portion 12 inside the trunk portion 11. A first cylindrical engaging portion 13 engaged with the peripheral wall of the container port 3 and a second cylindrical shape extending concentrically inside the first cylindrical engaging portion 13 in the vertical direction with the top surface portion 12 as a boundary. An engaging portion 14 and a cylindrical portion 16 (first cylindrical portion) extending in a vertical direction concentrically inside the second cylindrical engaging portion 14 and having a ceiling wall portion 24 are formed. An annular seal portion 18 having a triangular cross section that presses the container port 3 in a concentric manner protrudes from the lower surface of the top surface portion 12 inside the first cylindrical engagement portion 13. In addition, the 2nd cylindrical engaging part 14 and the cylindrical part 16 are connected by the annular wall part 12a in each height direction substantially intermediate position.

On the inner peripheral surface of the lower portion of the first cylindrical engaging portion 13, a single annular protrusion 19 that engages with the annular protrusion 17 provided on the peripheral wall of the container port 3 is formed. In addition, an annular protrusion 20 is formed on the upper outer peripheral surface of the second cylindrical engagement portion 14.
As shown in FIG. 1, a fitting member 23 having a U-shaped cross section having a through hole 22 in the bottom wall portion 21 is fitted to the open bottom surface of the cylindrical portion 16. On the other hand, as shown in FIG. 2, the opposite side (upper side) of the tubular portion 16 to which the fitting member 23 is fitted is closed by a top wall portion 24 that can be elastically deformed. The ceiling wall portion 24 has an outer peripheral surface formed in a truncated hemispherical shape and an inner peripheral surface formed in a hemispherical concave portion (dome shape). Further, through holes 25 and 25 are formed in the hemispherical concave portion by cutting out the outer periphery of the top wall portion 24 with two parallel surfaces. In addition, the outer surface above each through-hole 25, 25 on the outer surface of the top wall portion 24 of the cylindrical portion 16 becomes an annular valve seat 24a on which an annular valve body 32 described later is seated. In addition, the inner surface of the hemispherical concave portion of the top wall portion 24 is formed to have a size with which the spherical moving member 27 can abut.

As shown in FIG. 1, a spherical moving member 27 is disposed in the cylindrical portion 16 so as to be movable in the vertical direction. The cylindrical portion 16 extending downward from the annular wall portion 12a is formed in a tapered hole that expands downward, and a gap through which the liquid material passes is formed between the cylindrical moving member 27 and the spherical moving member 27. Further, the outer diameter of the moving member 27 is formed larger than the through hole 22 of the fitting member 23.
The moving member 27 has physical properties that float with respect to the liquid material filled in the container body 2. For example, the moving member 27 may be one in which the material itself has buoyancy, or may be structured to impart buoyancy structurally.
The moving member 27 comes into contact with the inner peripheral surface of the top wall portion 24 of the cylindrical portion 16 from the lowest position in the cylindrical portion 16 to close the through hole 22 of the fitting member 23, and each through hole 25, It is possible to move up and down to the uppermost position where 25 is closed.

As shown in FIGS. 1 and 3, an annular protrusion 30 and an annular wall 12 a that are provided on the inner peripheral surface of the upper end of the second cylindrical engagement portion 14 on the inner side of the second cylindrical engagement portion 14. A cylindrical member 31 (second cylindrical portion) having an annular valve body 32 is fitted between the upper surface of the cylindrical member 31 and the outer peripheral surface of the cylindrical member 31 extends upward with the annular wall portion 12a as a boundary. Abutting on the inner peripheral surface of the engagement portion 14.
The cylindrical member 31 has an annular thin wall portion 35 that can be elastically deformed obliquely downward inward from an inner peripheral surface of the upper end thereof, and an annular valve having a substantially triangular cross section at the tip of the annular thin wall portion 35. A body 32 is formed.
In addition, between the lower end of the cylindrical member 31 and the outer peripheral surface of the cylindrical part 16 is closed by the annular wall part 12a, and the inside of the cylindrical member 31 and the inside of the cylindrical part 16 are provided in the cylindrical part 16. It will be in the state connected by each through-hole 25,25. Further, at the normal time, the annular valve body 32 provided on the tubular member 31 is seated (contacted) on the annular valve seat 24 a of the top wall portion 24 of the tubular portion 16. On the other hand, when the internal pressure rises by pushing the container body 2, the annular valve body 32 provided on the tubular member 31 moves away from the annular valve seat 24 a of the top wall portion 24 of the tubular portion 16, and the annular valve body 32 and the annular valve body 32 are annular. An annular discharge port 33 (see FIG. 4) appears between the valve seat 24a.

  As shown in FIG. 1, the lid body 6 is provided with a body portion 41 that is suspended downward from the outer peripheral edge of the top surface portion 40, and is concentrically formed downward from the top surface portion 40 inside the body portion 41. A cylindrical engagement portion 42 that is engaged with the upper portion of the second cylindrical engagement portion 14 of the cap body 4, and is provided concentrically inwardly from the cylindrical engagement portion 42 and protrudes downward from the top surface portion 40. An annular pressing portion 43 and a spherical pressing portion 44 projecting downward from the vicinity of the approximate center of the top surface portion 40 on the inner side from the annular pressing portion 43. A single annular protrusion 45 is provided on the inner peripheral surface of the cylindrical engagement portion 42.

And the fixed quantity discharge cap 1 which concerns on this Embodiment is comprised as follows.
That is, as shown in FIG. 1, the fitting member 23 having the through hole 22 is fitted to the lower end of the cylindrical portion 16 of the cap body 4. A moving member 27 is disposed inside the cylindrical portion 16. The moving member 27 is located at the lowest position (the position at which communication between the inside of the tubular portion 16 and the container port 3 is blocked) that closes the through hole 22 of the fitting member 23, and the inside of the top wall portion 24 of the tubular portion 16. It is movable between the uppermost position that abuts the peripheral surface and closes each through hole 25, 25.
Next, inside the second cylindrical engaging portion 14, an annular shape is formed between the annular projecting portion 30 protruding from the inner peripheral surface of the upper end of the second cylindrical engaging portion 14 and the upper surface of the annular wall portion 12 a. The tubular member 31 having the valve body 32 is fitted, the annular valve body 32 is seated on the annular valve seat 24a of the top wall portion 24 of the tubular portion 16, and the discharge port 33 is closed.

  Next, the lid 6 is put on the cap body 4, and the annular protrusion 45 provided on the inner peripheral surface of the cylindrical engaging portion 42 of the lid 6 is placed on the upper outer peripheral surface of the second cylindrical engaging portion 14. When engaged with the provided annular protrusion 20, the spherical pressing portion 44 of the lid 6 presses the top surface of the top wall portion 24 of the tubular portion 16, and the annular pressing portion 43 is the annular valve of the tubular member 31. By pressing the body 32, the annular valve body 32 is brought into close contact with the annular valve seat 24 a of the top wall portion 24 of the cylindrical portion 16.

  In the metering discharge cap 1 according to the present embodiment having the above-described configuration, the annular protrusion 19 provided on the peripheral wall of the container port 3 is provided with the annular protrusion 19 provided on the first cylindrical engagement portion 13 of the cap body 4. 17, the lower part of the second cylindrical engaging portion 14 of the cap body 4 is inserted into the container port 3, and the outer peripheral surface of the body 11 of the cap main body 4 and the outer peripheral surface of the container main body 2 are connected to each other. The annular seal portion 18 of the cap body 4 is brought into close contact with the top surface of the container port 3 and attached to the container port 3. Thereby, the inside of the cylindrical part 16 and the container port 3 are communicated via the through hole 22 provided in the fitting member 23.

Next, the operation of the quantitative discharge cap 1 according to the present embodiment will be described with reference to FIG.
When dispensing the liquid material in a fixed amount, first, the container body 2 is inverted while maintaining the state in which the lid body 6 is crowned or opening the lid body 6 and pushing the annular valve body 32 with a finger. Then, the moving member 27 moves downward so as to open the through hole 22 of the fitting member 23, and the liquid material in the container body 2 is cylindrical from the container port 3 via the through hole 22 of the fitting member 23. It flows into the part 16. At this time, since the moving member 27 has the physical property of floating with respect to the liquid material, the moving member 27 gradually rises toward the through hole 22 of the fitting member 23 according to the amount of the liquid material flowing into the cylindrical portion 16. . Further, the liquid material that has flowed into the tubular portion 16 is formed through the through holes 25 and 25 around the tubular portion 16, the annular thin wall portion 35 including the tubular member 31 and the annular valve body 32, and the annular wall portion 12 a. And flows into the annular space 47 surrounded by the circular space 47 and is also stored in the space 48 between the top wall portion 24 and the moving member 27 in the cylindrical portion 16. After that, when the liquid material is completely filled in the annular space 47 and the space 48, the moving member 44 reaches a position where the through hole 22 of the fitting member 23 is closed. Inflow to is blocked.

  Next, when the lid body 6 is opened and the user pushes the trunk of the container body 2, the internal pressure of the container body 2 increases. Then, as can be seen from FIG. 4, the pressurized liquid material in the container body 2 presses the moving member 27, so that the moving member 27 closes the through hole 22 of the fitting member 23 from the cylindrical portion. The annular thin wall 35 extending from the upper end of the cylindrical member 31 is elastic so that it extends in the substantially horizontal direction from the initial state (the state extending downward in FIG. 1). By deforming, the annular valve body 32 at the tip is separated from the annular valve seat 24 a of the top wall portion 24 of the cylindrical portion 16. As a result, an annular space 47 surrounded by the annular thin wall portion 35 including the tubular member 31 and the annular valve body 32 and the annular wall portion 12a around the tubular portion 16, and the ceiling wall in the tubular portion 16 The fixed amount of liquid material stored in the space 48 between the portion 24 and the moving member 27 is between the annular valve seat 24 a of the top wall portion 24 of the tubular portion 16 and the annular valve body 32 of the tubular member 31. Is discharged to the outside from the annular discharge port 33 that has appeared. Finally, since the moving member 27 moves to a position where it abuts against the inner peripheral surface of the top wall portion 24 of the cylindrical portion 16, the through holes 25, 25 are closed. At the same time, the annular thin wall portion 35 extending from the upper end of the tubular member 31 is restored, the annular valve body 32 is seated on the annular valve seat 24a of the top wall portion 24 of the tubular portion 16, and the discharge port 33 is formed. Closed.

  After use, when the container body 2 is returned to the upright state, it fits within the cylindrical portion 16 with the moving member 27 at a position in contact with the inner peripheral surface of the top wall portion 24 of the cylindrical portion 16. When the liquid material stored between the member 23 returns from the through hole 22 of the fitting member 23 into the container body 2 and the lid body 6 is put on the cap body 4, the spherical pressing portion 44 of the lid body 6 is cylindrical. When the top surface of the elastically deformable top wall portion 24 of the portion 16 is pressed, the moving member 27 quickly descends to a position where the through hole 22 of the fitting member 23 is closed. At the same time, the annular pressing portion 43 of the lid body 6 presses the annular valve body 32 of the tubular member 31, so that the annular valve body 32 is securely attached to the annular valve seat 24 a of the top wall portion 24 of the tubular portion 16. The discharge port 33 is securely closed.

In the quantitative discharge cap 1 according to the present embodiment, the spherical moving member 27 is adopted, but it may be a cylindrical or disk-shaped moving member 27 whose upper part is hemispherical, and the shape is appropriately selected. Yes.
Moreover, in the fixed-quantity discharge cap 1 which concerns on this Embodiment, the annular thin wall part 35 is continuously extended from the upper end of the cylindrical member 31, and the form which provided the annular valve body 32 in the front-end | tip of this annular thin wall part 35 is provided. Although adopted, the tubular member 31 is removed, an annular thin wall portion 35 is provided so as to continue from the upper end of the second tubular engaging portion 14, and an annular valve body 32 is provided at the tip of the annular thin wall portion 35. A form may be adopted. In the case of this form, the 2nd cylindrical engaging part 14 is equivalent to a 2nd cylindrical part.

As described above, in the constant rate discharge cap 1 according to the present embodiment, when the body portion of the container body 2 is pushed after the container body 2 is inverted, the internal pressure of the container body 2 rises and the cylindrical portion 16 ( An annular thin wall portion including the tubular member 31 and the annular valve body 32 around the tubular portion 16 as the moving member 27 in the first tubular portion) moves and the annular valve body 32 moves away from the annular valve seat 24a. A fixed amount of liquid material stored in the annular space 47 surrounded by the annular wall 35 and the annular wall portion 12a and in the space 48 between the top wall portion 24 and the moving member 27 in the cylindrical portion 16 is the discharge port 33. Discharged to the outside.
As a result, it is possible to avoid a situation in which the contents are discharged at once when the container is turned upside down by opening the open / close lid, and the liquid material in the container is quantitatively discharged to the outside by the user's intention. It is possible to improve usability.

In addition, in a quantitative discharge cap (not shown) according to another embodiment, an annular valve seat is provided on the outer surface around each of the through holes 25, 25 provided in the top wall portion 24 of the cylindrical portion 16 shown in FIG. You may comprise so that the annular valve body 32 extended from the cylindrical member 31 may be seated to this annular valve seat. In the case of this form, when the container body 2 is inverted, the liquid material is stored only in the space 48 between the top wall portion 24 and the moving member 27 in the cylindrical portion 16.
When the liquid substance is discharged in a constant amount, if the body part of the container main body 2 is pressed, the moving member 27 moves in the cylindrical part 16 toward the top wall part 24 and the upper end of the cylindrical member 31. The annular thin wall portion 35 extending from the elastic deformation of the annular valve body 32 separates the annular valve body 32 from the annular valve seat, and a predetermined amount of liquid material stored in the space 48 is discharged to the outside from the through holes 25, 25. .

  DESCRIPTION OF SYMBOLS 1 Constant discharge cap, 2 Container main body, 3 Container port, 4 Cap main body, 6 Lid body, 12a Annular wall part, 16 Cylindrical part (1st cylindrical part), 22 Through-hole, 24 Top wall part, 24a Annular valve Seat (valve seat), 25 through-hole, 27 moving member, 31 tubular member (second tubular portion), 32 annular valve body (valve body), 33 discharge port, 35 annular thin wall portion, 43 annular pressing portion ( Pressing part), 44 Spherical pressing part (pressing part)

Claims (4)

A quantitative discharge cap including a cap body attached to a container mouth,
The cap body has a first cylindrical portion having an upper wall portion, the inside communicating with the container mouth,
A second cylindrical portion disposed around the first cylindrical portion and communicating with the inside of the first cylindrical portion via a through hole provided in the first cylindrical portion;
An annular wall that closes between the lower end of the second cylindrical part and the first cylindrical part;
It extends so as to be elastically deformable so as to close between the upper end of the second cylindrical part and the first cylindrical part, and is seated on a valve seat provided on the outer surface above the through hole of the first cylindrical part. The disc,
A discharge port provided between the valve seat and the valve body;
Arranged in the first cylindrical portion, and is movable from a position that blocks communication between the first cylindrical portion and the container port to a position that closes a through hole of the first cylindrical portion, A moving member having a function of floating with respect to the liquid material flowing into the first cylindrical portion;
A quantitative discharge cap comprising: Comprising a lid to be crowned by the cap body;
The said cover body is provided with the press part which presses the elastically deformable top wall part of the 1st cylindrical part of the said cap main body, when this cover body is crowned by the said cap main body. 1. The quantitative discharge cap according to 1.   The quantitative discharge cap according to claim 2, wherein the lid includes a pressing portion that presses the valve body against the valve seat when the lid is covered with the cap body. A quantitative discharge cap including a cap body attached to a container mouth,
The cap body has a cylindrical portion having an upper wall portion, the inside communicating with the container mouth,
A through hole provided in the tubular portion;
A valve body seated on a valve seat provided on an outer surface around the through hole, and opening and closing the through hole;
Arranged in the cylindrical portion, is movable from a position where the communication between the cylindrical portion and the container port is blocked to a position where the through hole of the cylindrical portion is closed, and flows into the cylindrical portion. A moving member having a function of floating with respect to the liquid material;
A quantitative discharge cap comprising: