JP7330614B2 - dropper container - Google Patents

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a dropper container having a container body with a spout and a cap with a dropper and capable of opening and closing the spout.

A dropper container capable of sucking up cosmetics such as beauty essences and liquids such as medicines and dripping them onto a desired location has a cap with a dropper, and the dropper has a tubular nozzle part and a suction part. is known (see Patent Document 1, for example). According to such a dropper container, the siphoning portion is elastically deformed and restored by operating the siphoning portion directly or indirectly via an appropriately provided operating member, thereby allowing the content liquid to flow into the nozzle portion. The content liquid can be dripped from the inside of the nozzle part by sucking it up to the inside of the nozzle and performing the operation again.

Japanese Utility Model Laid-Open No. 3-76504

In the dropper container as described above, the content liquid may come into contact with the inner surface of the suction portion when the content liquid is sucked up or when the container is overturned. However, since the wicking part is usually made of elastically deformable soft material such as rubber or elastomer, the wicking part may swell or deteriorate due to the contact between the wicking part and the content liquid. , there is a risk that the content liquid may undergo deterioration such as a change in efficacy or fragrance.

SUMMARY OF THE INVENTION An object of the present invention is to solve such problems, and it is an object of the present invention to provide a dropper container in which the content liquid and the suction portion are less likely to deteriorate.

A dropper container of the present invention is a dropper container comprising a container body having a mouth portion, and a cap having a dropper and capable of opening and closing the mouth portion, wherein the dropper includes a tubular nozzle portion and an external operation. a suction portion that sucks up the content liquid in the container body into the nozzle portion by elastically deforming and restoring deformation in response to the inner surface of the suction portion so as to prevent the content liquid from contacting the inner surface of the suction portion; The cap has a mounting cylinder detachable from the mouth, and an annular top extending radially inward is integrally provided at the upper end of the mounting cylinder. a suction member provided with the suction part and integrally provided with an upper flange arranged below the annular top part in the suction part; and the separation part provided in the separation part a separation member integrally provided with an intermediate flange arranged along the lower surface of the upper flange of the suction member; and the nozzle section, the nozzle section being arranged below the intermediate flange of the separation member. and a nozzle member integrally provided with a lower flange, wherein an annular convex portion is formed on the upper surface of the lower flange of the nozzle member and pressed against the lower surface of the intermediate flange of the isolating member over the entire circumference. It is characterized by being integrally provided.

In the dropper container of the present invention, in the configuration described above, it is preferable that the separation portion and the suction portion are fixed to each other.

According to the present invention, it is possible to provide a dropper container in which the content liquid and the suction portion are less likely to deteriorate.

1 is a partial cross-sectional side view showing a dropper container according to an embodiment of the present invention; FIG. FIG. 2 is a partial cross-sectional side view showing a main part of the dropper container shown in FIG. 1; 2 is a partial cross-sectional side view showing a suction member and a separation member integrally formed by insert molding in the dropper container shown in FIG. 1; FIG. FIG. 2 is a partial cross-sectional side view showing the separation member before insert molding in the dropper container shown in FIG. 1;

Hereinafter, the present invention will be described more specifically by way of example with reference to the drawings.

As shown in FIG. 1, the dropper container 1 according to this embodiment is composed of a container body 2 and a cap 4 having a dropper 3. As shown in FIG. The container main body 2 contains a cosmetic product such as a beauty essence as a content liquid. The content liquid is not limited to cosmetics, and may be chemicals or other liquids. It is suitable for use as a product.

The container body 2 has a cylindrical mouth portion 5 having an axis O and a body portion 6 integrally connected to the lower end of the mouth portion 5 . The body portion 6 is composed of a shoulder portion 6a that expands in diameter from the mouth portion 5, a substantially cylindrical body portion 6b that hangs down from the outer peripheral edge of the shoulder portion 6a, and a bottom portion 6c that closes the lower end of the body portion 6b. It is configured. The container body 2 can be made of, for example, synthetic resin, glass, metal, or any combination thereof. Although the container body 2 has a bottle shape, it is not limited to this and various other shapes can be adopted. An outer peripheral surface of the mouth portion 5 is integrally provided with a male screw portion 5a to which the cap 4 can be attached and detached. In addition, although the mouth portion 5 is configured such that the cap 4 can be attached and detached by threading, it is not limited to this, and may be configured to be attached and detached by undercut engagement.

In the present specification and claims, the vertical direction means the vertical direction when the dropper container 1 is erected with the cap 4 attached to the mouth portion 5, and the radial direction means the axial direction. The direction orthogonal to the center O is meant, and the circumferential direction means the direction of rotation around the axis O. As shown in FIG.

The cap 4 is composed of a mounting member 7 and a syringe 3 , and the syringe 3 is composed of a suction member 8 , a separating member 9 and a nozzle member 10 . Although details will be described later, the nozzle member 10 has a nozzle portion 3a, the suction member 8 has a suction portion 3b, and the separation member 9 has a separation portion 3c. Therefore, the dropper 3 has a nozzle portion 3a, a suction portion 3b, and an isolation portion 3c.

As shown in FIG. 2 , the mounting member 7 has a cylindrical mounting tube portion 11 that can be attached to and detached from the mouth portion 5 . A female threaded portion 11a that can be screwed with the male threaded portion 5a is integrally provided on the inner peripheral surface of the mounting cylinder portion 11 . An annular top portion 12 extending radially inward is integrally provided at the upper end of the mounting cylinder portion 11 .

The sucking member 8 has a capped cylindrical sucking portion 3b that can be elastically deformed and deformed to be restored according to an operation from the outside. The suction part 3b has a configuration in which a cylindrical peripheral wall is vertically provided integrally with the outer peripheral edge of a dome-shaped top wall that protrudes upward. An annular upper flange 8a extending radially outward is provided integrally with the lower end of the peripheral wall, that is, the lower end of the suction portion 3b. Further, an outer peripheral convex portion 8b that protrudes radially outward over the entire circumference is integrally provided at the lower portion of the outer peripheral surface of the peripheral wall of the suction portion 3b. An inner peripheral protrusion 12a that protrudes radially inward over the entire circumference is provided integrally with the inner peripheral edge of the annular top portion 12, and this inner peripheral protrusion 12a is fitted between the outer peripheral protrusion 8b and the upper flange 8a. As a result, the suction member 8 is held by the mounting member 7 with the upper flange 8 a disposed below the annular top portion 12 .

Separating member 9 has a truncated cylindrical separating portion 3c provided along the inner surface of sucking portion 3b so as to prevent the liquid from contacting the inner surface of sucking portion 3b. The isolating portion 3c has a configuration in which a cylindrical peripheral wall is vertically provided integrally with the outer peripheral edge of a dome-shaped top wall that protrudes upward. An annular intermediate flange 9a extending radially outward is integrally provided at the lower end of the peripheral wall, that is, the lower end of the separating portion 3c. The lower surface of the upper flange 8a of the suction member 8 is formed with an annular stepped portion having a shape complementary to the intermediate flange 9a of the separation member 9, which has a smaller outer diameter than the upper flange 8a. , the intermediate flange 9a is arranged in this step. Thus, the intermediate flange 9a is arranged along the lower surface of the upper flange 8a.

The isolation member 9 is a film made of polypropylene resin, and can be formed into a truncated cylindrical shape by, for example, sheet molding. 4 are set in a mold and a soft material such as rubber or elastomer is injected into the separating member 9 to form an integral unit as shown in FIG. A separated separating member 9 and wicking member 8 can be obtained. Separation member 9 is not limited to polypropylene resin, but can be made of a synthetic resin appropriately selected depending on the components of the liquid content. It is preferably made of resin. Also, the separating member 9 may be made of polyethylene terephthalate resin, which is excellent in content resistance.

As shown in FIGS. 1 and 2, the nozzle member 10 has a circular tubular nozzle portion 3a whose diameter decreases downward. An annular lower flange 10a extending radially outward is provided integrally with the upper portion of the nozzle portion 3a. The lower flange 10a is arranged below the intermediate flange 9a of the separation member 9 and held by the inner peripheral surface of the mounting cylinder portion 11 of the mounting member 7 by undercut engagement. Further, the outer peripheral surface of the upper end of the nozzle portion 3a is in close contact with the inner peripheral surface of the lower portion of the isolation portion 3c over the entire circumference.

An upper surface of a lower flange 10a of the nozzle member 10 is integrally provided with an annular convex portion 10b that protrudes upward along the entire circumference. The annular convex portion 10b is pressed against the lower surface of the intermediate flange 9a of the separating member 9 over the entire circumference, thereby enhancing the close contact between the intermediate flange 9a of the separating member 9 and the upper flange 8a of the suction member 8. can be done. Therefore, separation of the upper flange 8a of the suction member 8 and the intermediate flange 9a of the separation member 9 is suppressed, and when separation occurs between the suction member 8 and the separation member 9, the separated portion Since it is possible to suppress the intrusion of air or the like into the opening, it is possible to improve the followability of the deformation of the separating portion 3c to the deformation of the sucking portion 3b during operation, and to ensure stable operation.

An annular plate-shaped packing 13 is arranged below the lower flange 10 a of the nozzle member 10 . The packing 13 is held on the outer peripheral surface of the nozzle portion 3a by undercut engagement with the upper surface of the packing 13 in contact with the lower surface of the lower flange 10a.

Although the mounting member 7 and the nozzle member 10 are made of synthetic resin, they are not limited to this.

According to the dropper container 1 according to the present embodiment, with the mouth portion 5 of the container body 2 closed by the cap 4, the suction portion 3b is pressed with a finger to elastically deform and deform the suction portion 3b. The content liquid in the container main body 2 can be sucked up into the nozzle portion 3a. Then, by removing the cap 4 from the mouth portion 5 and pressing the suction portion 3b again at a desired position, the content liquid can be dripped from the nozzle portion 3a.

Here, since the dropper container 1 according to the present embodiment has a configuration in which the separating portion 3c having content resistance is provided along the inner surface of the siphoning portion 3b, the siphoning portion 3c made of rubber or elastomer is formed. Contact between the portion 3b and the content liquid can be prevented. Therefore, it is possible to prevent deterioration such as swelling of the wicking portion 3b and deterioration of the content liquid such as a change in efficacy or fragrance.

It goes without saying that the present invention is not limited to the above-described embodiments, and various modifications can be made without departing from the gist of the present invention.

For example, in the above-described embodiment, the separation member 9 and the suction member 8 are fixed to each other by insert molding. The suction member 8 and the separating member 9 may be fixed to each other by welding or the like, or may not be fixed to each other.

Further, in the above-described embodiment, the sucking portion 3b is configured to suck up the content liquid in the container body 2 into the nozzle portion 3a by elastically deforming and restoring deformation in response to direct operation from the outside. However, the present invention is not limited to this, and the wicking portion 3b is elastically deformed and restored in response to indirect operation via an appropriately provided operation member, so that the content liquid in the container body 2 is discharged to the nozzle portion 3a. It may be configured to suck up inside.

Furthermore, in the above-described embodiment, the wicking portion 3b and the isolation portion 3c are formed in the shape of a truncated cylinder. It may have a shape other than the topped cylindrical shape (for example, a dome shape, a planar shape, or the like).

1 Dropper container 2 Container body 3 Dropper 3a Nozzle part 3b Suction part 3c Separation part 4 Cap 5 Mouth part 6 Body part 6a Shoulder part 6b Body part 6c Bottom part 7 Mounting member 8 Suction member 8a Top flange 8b Peripheral convex part 9 Separating member 9a Intermediate flange 10 Nozzle member 10a Lower flange 10b Annular projection 11 Mounting cylinder 11a Internal thread 12 Annular top 12a Inner projection 13 Packing O Axial center

Claims (2)

A dropper container comprising a container body having a mouth portion and a cap having a dropper and capable of opening and closing the mouth portion,
The dropper has a tubular nozzle portion, a suction portion that sucks up the content liquid in the container body into the nozzle portion by elastically deforming and restoring deformation in response to an operation from the outside, and an inner surface of the suction portion. a separating portion provided along the inner surface so as to prevent the content liquid from contacting the
The cap includes a mounting member that includes a mounting cylinder that can be attached to and detached from the mouth, and that is integrally provided with an annular apex that extends radially inward at an upper end of the mounting cylinder, and the suction part. a siphoning member integrally provided with an upper flange arranged below the annular top portion; a separating member integrally provided with an arranged intermediate flange; a nozzle member including the nozzle portion and integrally provided with a lower flange arranged below the intermediate flange of the separating member; has
A dropper container, wherein an upper surface of the lower flange of the nozzle member is integrally provided with an annular convex portion that is pressed against a lower surface of the intermediate flange of the isolation member over the entire circumference. 2. The dropper container according to claim 1, wherein said separating portion and said wicking portion are fixed to each other.

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