JPH09262128A - Airtight compact vessel for makeup - Google Patents

Abstract

PROBLEM TO BE SOLVED: To establish a sturdy assembly without rattling even with a low processing accuracy of members constituting a compact vessel. SOLUTION: An inner frame 3 is fixed to the inside of a vessel body 1, and a sealing member 20 made of elastic material is secured to the upper periphery of an inner tray 9. A protrusion 21 on the sealing member 20 is placed on a step 6 of the inner frame 3, and a detent projection 22 is engaged by a boss 8 on the inner frame 3, and thereby the inner tray 9 is fitted fast in the inner frame 3 through the sealing member 20. A pressing plate 15 furnished with a ring-shaped projection 18 and a ring-shaped peripher wall 17 is secured to the lid 2. When the lid 2 is shut, the projection 18 is put in pressure contact with the oversurface of an overhang 23 provided from the sealing member 20, and the tip 24 of the sealing member 20 is pinched by the peripheral wall 17 and the pedestal 7 of the inner frame 3.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an airtight compact container for cosmetics.

[0002]

2. Description of the Related Art Some cosmetics contain a volatile component, and in a compact cosmetic container containing such a cosmetic, the cosmetic container can be hermetically sealed so that the volatile component does not evaporate. It is structured.

An example is disclosed in Japanese Utility Model Laid-Open No. 7-3510. In the one disclosed in this publication, the middle frame is fixed to the container body, the middle plate is fitted and fixed to the middle frame, and the flange portion is provided on the upper part of the middle plate.
A seal member made of an elastic material is attached to the inner surface of the. Then, when the inner lid is closed, the seal member of the inner lid elastically presses against the flange portion of the inner tray to hermetically seal the inside of the inner tray.

[0004]

By the way, both the inner frame and the inner plate are made of a hard resin, and when the hard members are fitted and fixed to each other, the precision control of the fitting dimension is extremely difficult. Will be tough. If the fitting is too tight, it will be difficult or impossible to fit the inner plate into the inner frame, and if the fitting is too loose, the inner plate will rattle. If such strict accuracy control is required, the manufacturing cost increases, which is disadvantageous.

In addition to the above problem, in the conventional airtight compact container, there is only one annular airtight contact portion between the flange portion of the inner plate and the seal member, and the airtightness is slightly uneasy. there were.

The present invention has been made in view of the above-mentioned problems of the prior art, and has a high reliability in maintaining airtightness, is easy to assemble, and can further reduce the cost. The purpose is to provide.

[0007]

The present invention adopts the following means in order to solve the above problems. The present invention is (a)
The container body, (b) an annular middle frame fixed to the upper inner edge of the container body, (c) an inner plate for accommodating cosmetics inside the middle frame, and (d) a middle plate. Fixed on the top outside,
An annular seal member made of an elastic material that fits inside the middle frame and connects the middle plate and the middle frame, and (e) is attached to the container body so as to be openable and closable, and the inner surface is provided with the seal member when the lid is closed. A cosmetic airtight compact container, comprising: a lid provided with an annular press-contacting part for press-contacting (corresponding to claim 1).

Of course, the lid as referred to herein includes an outer lid, but also includes an inner lid installed between the container body and the outer lid. A hinge mechanism is suitable as a structure for attaching the lid to the container body, but a screw mechanism may be used.

Since the middle plate is fitted and fixed to the middle frame via the seal member made of an elastic material, the machining accuracy of the middle frame and the middle plate is higher than that when the middle plate is directly fitted to the middle frame. It can be assembled correctly even if it is low. Further, since the seal member is fixed to the inner plate, it can be easily assembled to the inner frame of the inner plate.

The means for fitting the inner frame and the seal member together with the engaging projection provided on the inner peripheral surface of the inner frame and the engaging member provided on the outer peripheral surface of the seal member engaging with the engaging projection. It is also possible to constitute by a stop projection (corresponding to claim 2).

Further, in the airtight compact container of the present invention, an annular projecting portion projecting outward is provided at the upper end of the sealing member, the tip of the projecting portion is bent downward, and projecting on the upper surface of the middle frame. An annular pedestal projecting upward from a portion located below the portion is provided, and a space portion that allows downward bending of the overhang portion is formed between the pedestal and the overhang portion,
The pressing portion of the lid is provided with an annular protrusion that presses the upper surface of the protruding portion when the lid is closed, and an annular wall portion that presses the tip of the protruding portion in cooperation with the pedestal of the middle frame. It is also possible to configure.

With this structure, when the lid is closed, the annular projection of the lid comes into pressure contact with the upper surface of the protruding portion of the sealing member, and the annular wall of the lid and the pedestal of the middle frame are sealed. By pinching the tip of the, the inner plate is doubly airtightly sealed. Therefore, the airtightness of the inner plate will not be broken unless both airtight parts are broken at the same time.

<Raw Material of the Present Invention> As the sealing member, an elastic soft resin such as an elastomer is suitable.

[0014]

FIG. 1 is a block diagram showing an embodiment of the present invention.
4 will be described with reference to FIG. [First Embodiment] A cosmetic airtight compact container (hereinafter, simply referred to as a compact container) according to a first embodiment of the present invention will be described with reference to the drawings of FIGS. 1 and 2.

A makeup airtight compact container (hereinafter abbreviated as a compact container) comprises a container body 1 and a lid body 2 rotatably attached to one end of the container body 1 via a hinge portion (not shown). It has and. 1 shows a state in which the lid body 2 is closed, and FIG. 2 shows a state in which the lid body 2 is slightly opened.

Between the container body 1 and the lid body 2, a lock mechanism (not shown) for holding the lid body 2 in the closed state and preventing the lid body from rotating at a position 180 degrees apart from the hinge portion in the circumferential direction. ) Is provided, and a release button (not shown) that unlocks the lock mechanism to allow the lid body 2 to open and rotate.
Is provided on either the container body 1 or the lid 2. Since the structures of the lock mechanism and the release button are well-known techniques, the description thereof will be omitted.

An annular middle frame 3 is fixed to the inside of the upper edge of the container body 1. The middle frame 3 includes a horizontal portion 4 and a vertical portion 5, and a step portion 6 is provided at a portion where these intersect.
An annular pedestal 7 protruding above the horizontal portion 4 is provided outside the
Is provided. Further, locking projections 8 are provided on the inner peripheral surface of the vertical portion 5 of the middle frame 3 so as to project inward at predetermined circumferential intervals.

An inner plate 9 having a seal member 20 is fitted and fixed inside the vertical portion 5 of the inner frame 3. Medium plate 9
A decorative ring 10 is fitted on the inner upper edge of the inner plate 9 and the inner portion of the inner plate 9 serves as a cosmetic material storage portion 11 for storing a cosmetic material containing a volatile component.

The seal member 20 is fixed to the outer periphery of the upper portion of the inner plate 9. The seal member 20 has an annular shape and is formed of an elastic material such as an elastomer. The inner plate 9 is previously inserted into a mold for molding the seal member, and the elastomer or the like is injection-molded into this mold to form a seal. The member 20 is molded and is integrated with the inner plate 9 at the same time.

The seal member 20 includes a protruding portion 21 placed on the step 6 of the middle frame 3, an annular locking protrusion 22 for locking the lower edge of the locking protrusion 8 of the middle frame 3, and a middle frame. 3 is provided above the pedestal 7 and has an annular projecting portion 23 that projects outward.
A tip portion 24 of the projecting portion 23 is bent obliquely downward.
A space 12 is formed between the overhanging portion 23 and the pedestal 7 to allow the overhanging portion 23 to bend downward.

The inner plate 9 provided with the seal member 20 includes the inner frame 3
It can be easily fixed to the middle frame 3 by inserting it into the vertical portion 5 from above and pushing it downward. Moreover, since the projecting portion 21 and the locking projection 22 are elastically deformed during assembly to cover the dimensional error in the processing of the inner frame 3, the sealing member 20, etc., the inner plate 9 is firmly fixed to the inner frame 3. You can, and you won't rattle. Therefore,
The middle frame 3 and the middle plate 9 are not required to have high processing accuracy as in the conventional case.

On the other hand, a pressing plate 15 is fitted and fixed inside the top plate portion 14 of the lid 2. The pressing plate 15 includes a central flat portion 16 and an annular peripheral wall portion (annular wall portion serving as a pressure contact portion) 17 that extends downward from the outer edge portion of the central flat portion 16, and is provided near the outer edge of the central flat portion 16. Is provided with an annular projecting portion (annular projecting portion as a press contact portion) 18 projecting downward.

In this compact container, when the lid 2 is closed, the projection 18 of the pressing plate 15 is pressed against the upper surface of the base of the protruding portion 23 of the seal member 20 to elastically bend the protruding portion 23 downward. Further, the inner peripheral surface of the peripheral wall portion 17 of the pressing plate 15 is pressed against the outer surface of the front portion 24 of the seal member 20, and the peripheral wall portion 17 and the pedestal 7 of the middle frame 3 cooperate with each other to form the front portion of the seal member 20. 24 is clamped.

As described above, in this compact container, when the lid is closed, the annular airtight contact portion formed by the protrusion 18 of the pressing plate 15 and the annular airtight contact portion formed by the peripheral wall portion 17 are formed in parallel with each other to form a double airtight seal. Become a structure. Therefore, unless the airtightness at these two locations is broken at the same time, the volatile components of the cosmetic material contained in the inner plate 9 do not evaporate, and the airtightness is highly reliably maintained. Especially, the airtight contact part by the peripheral wall part 17 is
The peripheral wall portion 17 and the pedestal 7 are generated by pressing the tip portion 24 of the seal member 20, and the contact pressure is extremely high, and the airtightness is very unlikely to be broken.

[Second Embodiment] FIGS. 3 and 4 show a second embodiment.
3 shows the compact container of the embodiment, FIG. 3 shows a state in which the lid body 2 is closed, and FIG. 4 shows a state in which the lid body is slightly opened.

The compact container of the second embodiment is the first
The difference from the embodiment is that the compact container of the second embodiment has a protrusion 25 projecting downward at the bottom of the protrusion 21 of the seal member 20. The lower end is in contact with the step 6 of the middle frame 3.

When the inner plate 9 having the seal member 20 is mounted on the inner frame, the projecting portion 21 and the locking projection 22 are elastically deformed in the compact container of the first embodiment, but the second embodiment is different. In the compact container of, the projection 2 is used instead of the projection 21.
5 is elastically deformed. Since the protrusion 25 is more easily elastically deformed than the protrusion 21, the compact container of the second embodiment has a greater effect of covering a dimensional error in processing the middle frame 3, the seal member 20, and the like.

[0028]

As described above, according to the present invention,
Since the inner plate is fitted and fixed to the inner frame via the seal member made of an elastic material, the processing accuracy of the inner frame and the inner plate is lower than that when the inner plate is directly fitted to the inner frame. Even if it is assembled correctly, the excellent effect that the cost can be reduced can be achieved. Further, since the seal member is fixed to the inner plate, it can be easily assembled to the inner frame of the inner plate.

The seal member of the present invention has a function of connecting the inner plate and the inner frame and a function of airtightly sealing the inner plate in cooperation with the lid when the lid is closed. The effect can be obtained by reducing the amount.

The seal member is provided with an overhanging portion, the inner frame is provided with a pedestal, and the cover body is provided with an annular protrusion and an annular wall portion at a pressure contact portion.
When the annular protrusion of the lid body is pressed against the upper surface of the seal member when the lid is closed, and the annular wall portion of the lid body and the pedestal of the middle frame cooperate to pinch the tip portion of the seal member, The excellent effect that the airtight contact portion is doubled and the reliability of maintaining the airtightness is increased is achieved.

[Brief description of drawings]

FIG. 1 is a cross-sectional view showing a closed state of a makeup airtight compact container according to a first embodiment of the present invention.

FIG. 2 is a cross-sectional view showing an open state of the cosmetic airtight compact container according to the first embodiment of the present invention.

FIG. 3 is a cross-sectional view showing a closed state of a cosmetic airtight compact container according to a second embodiment of the present invention.

FIG. 4 is a cross-sectional view showing an open state of a cosmetic airtight compact container according to a second embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Container main body 2 Lid body 3 Middle frame 7 Pedestal 8 Locking protrusion 9 Middle plate 12 Space part 17 Peripheral wall part (annular wall part as pressure contact part) 18 Projection part (annular projection part as pressure contact part) 20 Seal member 22 Engagement Stop projection 23 Overhang part

Claims (3)

[Claims] 1. A container main body, (b) an annular middle frame fixed to an upper inner edge of the container main body, and (c) an inner plate arranged inside the middle frame and containing cosmetics therein. And (d) an annular seal member that is fixed to the outside of the upper portion of the inner plate and that is fitted to the inner side of the inner frame and that connects the inner plate and the inner frame with each other,
(E) A hermetically sealed compact container for cosmetics, comprising: a lid body that is openably and closably attached to a container body, and an inner surface is provided with an annular press contact portion that presses against the seal member when the lid is closed. . 2. The means for fitting the inner frame and the seal member to each other includes a locking projection provided on an inner peripheral surface of the inner frame and an outer peripheral surface of the seal member engaging with the locking projection. The airtight cosmetics compact container according to claim 1, wherein the airtight compact container for cosmetics is configured by a provided locking protrusion. 3. The seal member has an annular projecting portion projecting outward at an upper end thereof, a tip of the projecting portion is bent downward, and the projecting portion is formed on an upper surface of the middle frame. An annular pedestal projecting upward from a portion located below is provided, a space portion is formed between the pedestal and the overhanging portion to allow downward flexure of the overhanging portion, and the pressure contact portion of the lid body is 2. An annular projection for press-contacting the upper surface of the projecting part when the lid is closed, and an annular wall part for pinching the tip of the projecting part in cooperation with the pedestal of the middle frame. The airtight compact container for cosmetics according to 2.