JPH1099125A - Airtight cosmetics container - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an airtight cosmetics container by which a high airtightness can be kept for a long period, and a covering plate can be opened and closed by a soft touch operation. SOLUTION: A cover body 12 having sealability, is removably mounted on an opening of a container body 18. An opening 12a is formed on a ceiling of the cover body 12, and the opening 12a is covered by a covering plate 16 which is screwed at a rear part of the opening 12a in such manner that it can be opened and closed. A packing material 19 is installed between the covering plate 16 and the cover body 12 in such manner it seals the inside of the container body in a condition that the covering plate 16 and the cover body 12 are locked. A flexible piece 16e extended downward, is installed at the center of the point part of the covering plate 16, and a hook 16a is projected forward from the point of the flexible piece 16e. The cover body 12 comprises a recessed part 30 for accomodating the flexible piece 16e, a vertical wall 32 for covering the point of the flexible piece 16e is installed at a lower end of the recessed part 30, an engagement projection 12g is integrated with a rear face of the wall 32, and the engagement faces of the hook 16a and the engagement projection 12g are almost horizontally formed, so that the elastic recovering force by the crimp of the packing material 19, is acted in the almost vertical direction.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a hermetic cosmetic container, and more particularly to an hermetic cosmetic container achieving both good airtightness and easy opening and closing operations.

[0002]

2. Description of the Related Art Conventionally, as a hermetically sealed cosmetic container, a cylindrical lid body having an opening at the top is screwed onto a mouth of a bottomed cylindrical container body while maintaining a sealing property. It is known that the opening is covered with a cover plate hinged to the rear end so as to be openable and closable, and a packing material for obtaining airtightness is interposed between the periphery of the opening and the back surface of the cover plate. Have been.

[0003] In this type of hermetic cosmetic container, the lid body and the lid plate are engaged with each other by a hook mechanism provided between their front ends to maintain the locked state of the lid plate, and As a mechanism for releasing the lock by the hook mechanism, it is common to provide a lever at the front end of the lid main body having a pressing operation part at one end and the other end abutting against the back surface of the lid plate. Has become.

That is, the release mechanism has a structure in which the engagement of the hook mechanism is released by rotating the lid plate while pushing the lid plate upward, that is, the engagement surface of the hook mechanism is formed as an inclined surface, The hook portion of the hook mechanism is elastically deformed along the inclined surface by the upward turning force to release the engagement.

[0005]

By the way, in such an airtight cosmetic container, in order to maintain good airtightness inside the container body, the packing material is sufficiently compressed in a locked state of the lid plate. To keep it squashed,
Then, on the contrary, the elastic restoring force of the packing material increases, and the force for rotating the lid plate upward also increases.

For this reason, if the engaging surface of the hook mechanism is formed on an inclined surface as in the above-mentioned conventional airtight cosmetic container, the elastic restoring force of the packing material is constantly transmitted to the hook portion via the inclined surface. As a result, the hook portion is elastically deformed in the releasing direction and the lid plate is pushed back, making it difficult to maintain good airtightness, and easily causing the hook portion to deform with time.
When the hook portion is deformed with time, the packing material cannot be sufficiently crushed by the lid plate in the locked state, and the good airtightness is further impaired. Therefore, in the above-mentioned conventional airtight cosmetic container, there is a problem that it is difficult to secure good airtightness, and it is difficult to maintain good airtightness for a long period of time.

In order to solve this problem, it is necessary to increase the thickness of the hook portion or to reduce the angle of inclination so that the elastic restoring force of the packing material acts on the engaging surface as perpendicularly as possible. Conceivable. However, in this case, even if an attempt is made to release the lock by rotating the lid plate upward with a lever, the hook portion is unlikely to be elastically deformed, causing a problem in terms of opening operability.

The present invention has been made in view of such conventional problems, and an object of the present invention is to provide an airtight cosmetic container which can ensure good airtightness for a long period of time and can easily open and close a lid plate with a light operating force. To provide.

[0009]

SUMMARY OF THE INVENTION In order to achieve the above object, the present invention provides a container body, which is provided at the mouth of the container body with a sealing property so as to be detachable and has an opening formed in a top part. A lid body, a lid plate hinged to a rear portion of the lid body and covering the opening so as to be openable and closable, interposed in a crimped state between the lid plate and the lid body in a locked state of the lid plate. And a packing material for sealing the inside of the container main body. The hook protruding from the center of the front end of the lid plate is engaged with an engagement projection provided at the center of the front end of the lid main body. The hook is formed by projecting forward at the tip of a flexible piece extending downward from the center of the tip of the lid plate, while the hook body has A concave portion for accommodating the flexible piece is formed, and a vertical wall is provided at a lower end of the concave portion to cover a tip portion of the flexible piece that fits in the concave portion. The engaging protrusion is integrally formed on the back surface of the vertical wall, and the engaging surface between the hook and the engaging protrusion is substantially horizontal so that the elastic restoring force due to the compression of the packing material acts substantially vertically. Formed.

Therefore, in the airtight cosmetic container of the present invention, when the lid plate is closed with respect to the lid body, the elastic restoring force due to the compression of the packing material is reduced by the engagement of the locking portion formed by the hook and the engaging projection. Since it acts substantially perpendicular to the surface, there is no component of elastic restoring force that pushes the hook in the unlocking direction, so the hook is elastically deformed and the lid plate is pushed back in the opening direction. Nothing. For this reason, the lid plate can be locked to the lid body in a crimped state in which the packing material is sufficiently crushed, and good airtightness can be secured. Further, since there is no occurrence of temporal deformation due to the elastic deformation of the hook, good airtightness can be maintained for a long time.
Further, if the flexible piece is pushed backward in the upper portion from the tip where the hook is formed, the hook can be easily released from the engagement projection and the lock can be released.

[0011]

Embodiments of the present invention will be described below in detail with reference to the accompanying drawings. 1 to 5 show a first embodiment of an airtight cosmetic container according to the present invention, and FIG.
FIG. 2 is a cross-sectional view of a state in which the lid plate is closed, FIG. 3 is an enlarged cross-sectional view of a main part showing a state in which the lid plate is locked, and FIG. 4 is an enlarged cross-sectional view of a main part showing a state in which the lid plate is unlocked. FIG. 5 is an enlarged sectional view of a main part showing a state where the lid plate is starting to open.

As shown in FIGS. 1 to 5, the hermetically sealed cosmetic container 10 of this embodiment has a container body 18 which has a cylindrical shape with a bottom and stores a creamy or similar cosmetic inside. A lid body 12 which is detachably provided at an opening 18a of the container body 18 and has an opening 12a at a top portion, and a lid plate 16 hinged to the rear end of the lid body 12 via a hinge 14 are provided. .

The cover main body 12 has a cylindrical shape, and a female screw portion 12b formed on the inner peripheral surface on the lower side thereof is screwed and mounted on a male screw portion 18b formed on the outer peripheral surface of the mouth 18a of the container main body 18. You. On the lower side of the lid main body 12, a hollow portion 13 for reducing the weight is formed substantially in the inside of the female screw portion 12b, which is substantially equal to the length of the female screw portion 12b. It has a double wall structure of the peripheral wall 12c and the outer peripheral wall 12d defining the outer surface.

An opening 12a is formed at the upper end of the lid body 12.
Is formed with a flange-like annular projection 12e slightly projecting inward along the inner peripheral surface. And this annular projection 1
The packing material 19 is provided to be locked to 2e. That is,
When the lid body 12 is screwed into the container body 18, the packing material 19 is sandwiched between the annular projection 12 e and the upper end face 18 c of the container body 18 and compressed.
And the lid body 12 are sealed.

On the upper surface of the packing member 19, an annular protruding piece 19a is formed which expands radially outward and extends upward to project annularly. Outside the annular protruding piece 19a, an annular vertical wall 12f extending straight upward from the upper end surface of the lid main body 12, surrounding the outer periphery of the annular protruding piece 19a and locking the upper edge thereof is integrally formed. Is formed.

The hinge 14 has a concave portion 14a formed at the center of the rear end of the lid main body 12, and a convex portion 14b formed at the center of the rear end of the cover plate 16 is fitted into the concave portion 14a. The hinge pin 14c is inserted from both sides across the bridge 14b.

On the back surface 16c of the cover plate 16, the annular vertical wall 1 is provided.
A cylindrical projection 16d slightly smaller in diameter than 2f is provided. When the lid 16 is closed to the lid body 12 and locked, the cylindrical projection 16d enters the inside of the annular vertical wall 12f, and presses the annular projection 19a on the packing material 19 to press the lid body 12 And the cover plate 16 to secure their sealing properties.

A hook 16a protrudes from the center of the front end of the cover plate 16. The hook 16a is an engagement protrusion 12 provided at the center of the front end of the cover body 12 when the cover plate 16 is closed.
g to lock both.

Incidentally, in order to ensure good sealing performance of the cover plate 16 in the locked state, the packing material 19 is crushed with a certain force or more, and at that time, the packing material 19 is crushed.
It is necessary to prevent the locked state of the cover plate 16 from being loosened by the elastic force of the above. In addition, it is necessary to ensure good operability of unlocking when the cover plate 16 is opened. Therefore, in the present embodiment, the locking portion formed by the hook 16a and the engagement protrusion 12g is formed as follows.

That is, a cantilevered flexible piece 16e extending downward from the center thereof is integrally formed at the tip of the cover plate 16. A hook 16a is provided at the distal end of the flexible piece 16e so as to be retracted rearward substantially by the thickness thereof, and the protruding piece 36 of the hook 16a is formed to protrude forward. On the other hand, the portion immediately above the hook 16a protrudes forward in a rectangular shape, and a button-shaped pressing operation portion 16f is formed.
Are formed.

On the other hand, a concave portion 30 for accommodating the above-mentioned flexible piece 16e is formed in the lid main body 12 at the upper center of the front end portion thereof. A vertical wall 32 covering the distal end of the flexible piece 16e that fits in the concave portion 30 is provided at the lower end of the concave portion 30.
Is provided. Here, in this embodiment, the vertical wall 3
Reference numeral 2 denotes an outer peripheral wall 1 having a double structure formed by a lower portion of the lid body 12.
2d is used as it is. An engaging projection 12g for engaging the hook 16a is formed integrally with the rear surface of the outer peripheral wall body 12d so as to engage the hook 16a. The upper surface of the outer peripheral wall body 12b is inclined downward and the lower surface is substantially horizontal. It has a trapezoidal shape.

The protruding piece 36 of the hook 16a on the side of the cover plate 16 is also formed so as to protrude in a trapezoidal vertical cross section.
The upper surface 36a of the protruding piece 36, which serves as a locking engagement surface with 2g, is formed substantially horizontally so as to correspond to the lower surface of the engagement protrusion 12g. Further, the lower surface 36b of the protruding piece 36 is formed as an inclined surface, and when locking, it comes into contact with the inclined surface on the upper surface of the engaging projection 12g to easily engage the hook 16a by the pressing force of the lid plate 16.
Can be elastically deformed.

In the airtight cosmetic container 10 of the present embodiment having the above-described configuration, when the lid plate 16 is closed, the cylindrical projection 16d is first inserted into the opening 12a of the lid body 12, and The cylindrical projection 16d comes into contact with the inclined annular projection 19a on the top of the packing material 19, and wipes off the cosmetics and the like attached to the portion while pressing the annular projection 19a to press the lid body 12 and the cover plate 16 together. To ensure airtightness inside the container body 18. Then, when the lid plate 16 is further pressed down from the closed state, the hook 16a is engaged with the engaging projection 12g to be locked.

Further, in this airtight state, a force in the opening direction acts on the cover plate 16 due to the elastic restoring force of the packing member 19 pressed into contact, and the force in the opening direction, that is, the elastic restoring force is engaged with the hook 16a of the locking portion. It is received by engagement with the mating projection 12g and acts substantially vertically between the engagement surfaces. However, since the engaging surfaces of the hook 16a and the engaging protrusions 12g in the locked state are substantially horizontally engaged with each other, the elastic restoring force acts substantially vertically between these engaging surfaces. Thus, there is hardly any component force for elastically deforming the hook 16a in the unlocking direction. Therefore, the hook 16a is not elastically deformed in the releasing direction, and the locked state is not loosened, and the lid 16 is not pushed back in the opening direction. Therefore, the pressure contact force of the packing material 19 is not weakened and the airtightness is not reduced.

On the other hand, in order to release the engagement between the hook 16a in the locked state and the engagement projection 12g, the hook 16a
Pressing operation portion 16f of flexible piece 16e formed immediately above
Is pushed in to bend, the protrusions 36 on the rear surface of the hook 16a are bent.
Is easily disengaged from the engagement projection 12g, and the lock is released.

FIG. 6 shows a second embodiment. As shown, the second embodiment differs from the first embodiment in the sealing mechanism using a packing material. Hereinafter, the different portions will be described, and the same portions as those in the first embodiment will be denoted by the same reference numerals and detailed description thereof will be omitted.

As shown in the figure, the lid body 12 in the second embodiment has a cylindrical shape corresponding to the length of the mouth 18a of the container body 18, and the lid body 12 is screwed and attached to the lid body 12. The heights of the upper end surface of the main body and the upper end surface of the mouth 18 of the container main body 1 are almost the same, and the space between the lid main body 12 and the container main body 18 is not particularly sealed. The packing material 20 attached to the back surface 16c of the lid plate 16
Is pressed against the inner peripheral edge of the upper end of the mouth 18a of the container body 18 so that the inside of the container body 18 is sealed.

At the center of the packing material 20, a holding plate 22 is disposed so as to overlap with the packing material 20, and an opening 20a formed at the center of the packing material 20 is formed.
To the cylindrical projection 2 projecting from the center of the holding plate 22.
2a, and the cylindrical projection 22a is attached to the back surface 1 of the lid plate 16.
The packing material 20 is attached to the cover plate 16 by press-fitting and fixing to a convex portion 16g protruding from 6c.

The outer peripheral portion 20b of the packing material 20 projects from the outer periphery of the holding plate 22.
In the outer peripheral portion 20b of the packing material 20 protruding from the second, the lower surface of a portion that enters a predetermined distance inward from the outer periphery,
A tubular annular projection 24 is integrally provided along the inner peripheral surface of the opening at the upper end of the lid body 12. The annular projection 24 includes
In a state where the lid plate 16 is merely closed so as to cover the container body 18, the container body 18 is formed such that a slight gap is provided between the cover plate 16 and the inner peripheral surface of the opening of the container body 18. This gap may be as small as possible. A hinge 26 is formed on the packing material 20 as a movable joint that makes the outer peripheral portion 20b of the packing material 20 movable at a portion located inside the portion where the annular protrusion 24 is formed. Further, on the lower surface of the outer peripheral portion 20 b of the packing material 20, the outer peripheral portion 2
A projection 28 as a tilting mechanism for tilting Ob upward is projected. The protrusion 28 is provided at the opening 1 of the container body 18.
8a may be formed annularly along the circumferential direction, or a plurality of them may be formed at intervals along the circumferential direction. further,
Lid 1 corresponding to outer peripheral portion 20b of packing material 20
A concave portion 16h is formed on the rear surface 16c of the sixth member 16 as a space allowing the movement of the outer peripheral portion 20b.

In the second embodiment, when the cover plate 16 is closed, first, when the cover plate 16 is lightly closed, the annular projection 2 is closed.
4 is inserted into the inner peripheral portion at the upper end of the mouth 18a of the container body 18, and the projection 28 formed on the outer peripheral portion 20b of the packing material 20 comes into contact with the upper end surface of the mouth of the container body 18. . At this time, the hook 16a of the lid plate 16 is
Since the annular projection 24 is not yet engaged with the second engagement projection 12g, and the annular projection 24 is provided with a gap between itself and the inner peripheral surface at the upper end of the mouth of the container body 18, this packing material is used. The inside of the container body 18 is not sealed by 20.

Then, when the lid plate 16 is pushed down from the closed state to lock the hook 16a to the engaging projection 12g,
The projection 28 is pushed by the upper end of the container body 18 and is pushed up relatively to the center of the packing material 20. Then, the outer peripheral portion 20b of the packing material 20 is tilted upward from the hinge 26 with the convex portion 28 as a power point and the hinge 26 as a fulcrum. Thus, the packing material 2
When the outer peripheral portion 20b is tilted, the annular projection 24 is tilted so that the diameter thereof is increased outward, and the lower end of the annular projection 24 is the inner circumference of the upper end of the mouth of the container body 18. When pressed against the surface, the packing material 20 hermetically seals the inside of the container body 18 to make it airtight.

Accordingly, the airtight cosmetic container 10 of this embodiment
Is a structure in which the annular projection 24 is pressed against the inner peripheral surface of the upper end of the opening of the container body 18 only when the lid plate 16 is locked with respect to the lid main body 12. The annular projection 24 does not contact the inner peripheral surface of the mouth of the container body 18. For this reason, the annular projection 24 does not rub against the inner peripheral surface of the opening of the container body 18 until the lid plate 16 is locked, so that the packing material 20 can be prevented from being worn and its durability can be greatly reduced. The cover plate 16
Can be closed smoothly with a light touch.

At this time, the outer peripheral portion 20b of the packing material 20 that is tilted with the release of the lock of the hook 16a is released.
Is restored flat, and the pressing force of the annular projection 24 strongly pressed against the inner peripheral surface of the upper end of the mouth of the container body 18 is weakened against the inner peripheral surface of the mouth of the container body 18, and thus the container body 1
Move away from 8. Accordingly, the annular projection 24 does not rub against the inner peripheral surface of the upper end of the mouth of the container body 18, and the lid plate 16 can be opened smoothly.

When the cover plate 16 is opened, the pressure contact between the annular projection 24 and the inner peripheral surface at the upper end of the mouth of the container body 18 is weakened, and air enters the container body 18. When the container body 16 is lifted, the inside of the container body 18 can be prevented from becoming negative pressure, and the lid plate 16 can be opened smoothly with a light operating force from this surface.

[0035]

As described above, in the hermetic cosmetic container of the present invention, when the lid plate is closed with respect to the lid body, the elastic restoring force due to the compression of the packing material is reduced by the hook and the engagement projection. Since the hook acts substantially perpendicularly to the engaging surface of the locking portion, there is no component of elastic restoring force that pushes the hook in the unlocking direction, and the hook is elastically deformed. The lid plate is not pushed back in the opening direction. For this reason, the lid plate can be locked to the lid body in a crimped state in which the packing material is sufficiently crushed, and good airtightness can be secured. Further, since there is no occurrence of temporal deformation due to the elastic deformation of the hook, good airtightness can be maintained for a long time. Further, if the flexible piece is pushed backward in the upper portion from the tip where the hook is formed, the hook can be easily released from the engagement projection and the lock can be released.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a first embodiment of an airtight cosmetic container according to the present invention.

FIG. 2 is a sectional view showing a state where the lid plate is closed.

FIG. 3 is an enlarged sectional view of a main part showing a state where the lid plate is locked.

FIG. 4 is an enlarged sectional view of a main part showing a state in which the lock is being released in the same manner as above.

FIG. 5 is an enlarged sectional view of a main part showing a state in which the unlocking is completed.

FIG. 6 is a sectional view showing a second embodiment of the hermetic cosmetic container according to the present invention.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 10 Hermetic cosmetic container 12 Lid body 12a Opening 12g Engagement projection 14 Hinge 16 Cover plate 16a Hook 16e Flexible piece 18 Container body 18a Mouth 19, 20 Packing material 30 Depression 32 Vertical wall 36a Upper surface of projection (engagement surface) )

──────────────────────────────────────────────────の Continued on the front page (51) Int.Cl. ⁶ Identification symbol FI B65D 43/22 B65D 43/22 A 45/18 45/18 Z 53/02 53/02 (72) Inventor Shun Takahashi Yokohama, Kanagawa Inside Shiseido Daiichi Research Center, 1050 Nippa-cho, Kohoku-ku, Tokyo (72) Inventor Kochi Yubara 5-29-10 Tachibana, Sumida-ku, Tokyo Yoshida Kogyo Co., Ltd.

Claims (1)

[Claims] 1. A container body, a lid body detachably provided at a mouth portion of the container body with a sealing property and having an opening formed in a top portion, and a hinged hinge at a rear portion of the lid body. A lid plate that covers the opening so that it can be opened and closed, and a packing material that is interposed between the lid plate and the lid body in a crimped state to seal the inside of the container body when the lid plate is locked. An airtight cosmetic container for locking a lid plate and the lid body by engaging a hook protruding at the center of the front end of the plate with an engagement projection provided at the center of the front end of the lid body, wherein the hook is A flexible piece extending downward from the center of the distal end of the lid plate is formed so as to protrude forward from the distal end thereof, while a concave portion for accommodating the flexible piece is formed in the lid body, and a lower end of the concave portion is formed. A vertical wall that covers the distal end of the flexible piece that fits in the concave portion, the engaging projection is integrally formed on the back surface of the vertical wall, Phrases and engaging projections mutual engagement surfaces, airtight cosmetic container, wherein the elastic restoring force due to compression of the packing material is formed into a substantially horizontally so as to act substantially vertically, that.