JP3579091B2 - Airtight compact container - Google Patents

Description

[0001]
[Industrial applications]
The present invention relates to an airtight compact container, and more specifically, to an airtight compact container in which a container body and a lid are hinged so as to be openable and closable.
[0002]
[Prior art]
Conventionally, as this kind of airtight compact container, a compact container as disclosed in Japanese Utility Model Laid-Open No. 3-119317 has been known. In this known compact container, a first annular wall is formed upright on the upper surface of the container body, and a plurality of externally threaded inclined ridges are provided on the outer peripheral surface thereof. Further, a decorative dish is fitted into the first annular wall, and the flange at the upper end thereof is engaged with the inner peripheral portion on the upper surface of the first annular wall. Further, a rotating lid is rotatably and detachably fitted from above the lid portion corresponding to the first annular wall. The rotating lid comprises a top plate and a second peripheral wall, and a female screw-shaped inclined ridge engageable with a male thread-shaped inclined ridge formed on the first annular wall of the container body is formed on an inner surface of the second peripheral wall. I have. The rotating lid is screwed into the first annular wall of the container body via an opening formed in the lid. Further, a short cylindrical elastic member is attached to the lower surface of the lid, and the short cylindrical elastic member is pressed against the flange portion of the decorative dish when the rotating lid is closed.
[0003]
Further, in a compact container as disclosed in Japanese Utility Model Laid-Open No. 3-119315, a first annular wall is formed upright on the upper surface of the container body, and a plurality of externally threaded inclined protrusions are provided on the outer peripheral surface thereof. Further, a decorative dish is fitted in the first annular wall, and the flange at the upper end thereof is fitted to the inner peripheral portion on the upper surface of the first annular wall. Further, a third annular wall is formed on the lid at a position corresponding to the first annular wall of the container body. A female threaded cylinder is disposed between the first annular wall of the container body and the third annular wall of the lid. A flange is formed on the inner surface of the upper end of the female threaded cylinder, while a concave groove is formed in the third annular wall of the lid, and the flange is rotatably fitted in the concave groove of the third annular wall. I have. A female screw-shaped inclined ridge is formed on the inner surface of the female screw-shaped cylinder, and can be engaged with the lower surface of the male screw-shaped inclined ridge of the first annular wall of the container body. Furthermore, a cylindrical elastic member is attached to the lower surface of the lid top wall portion surrounded by the third annular wall of the lid, and the short cylindrical elastic member is pressed against the flange portion of the decorative dish when the lid is closed. ing.
[0004]
[Problems to be solved by the invention]
By the way, in the conventional containers disclosed in Japanese Utility Model Laid-Open No. 3-119317 and Japanese Utility Model Laid-Open No. 3-119315, an elastic member for ensuring airtightness is pressed against a decorative dish by a rotating lid or a female screw-shaped cylinder. This is achieved by clamping the lid and the container body.
[0005]
Therefore, the accuracy of assembling the hinge portion that hinges the container body and the lid affects the sealing performance of the decorative dish, that is, the lid and the container body are not properly assembled due to a deviation in the assembly size of the hinge portion. If the lid is assembled with a slight misalignment, the lid cannot be closed in an appropriate positional relationship, such as when the lid is closed with respect to the container body. As a result, there is a problem that airtightness in the decorative dish cannot be sufficiently secured.
[0006]
The present invention has been made in view of such a conventional problem, and an object of the present invention is to ensure sufficient airtightness in a decorative dish irrespective of the assembly accuracy of a hinge portion for hingedly attaching a container body and a lid. An object of the present invention is to provide an airtight compact container.
[0007]
[Means for Solving the Problems]
The airtight compact case according to the present invention in order to achieve the above object, in airtight compact case comprising hinged to the container body and a lid openably, the container main body, a circular concave for housing the cosmetic dish And a notch recess that is opened through the recess, and the annular protrusion formed on the outer circumferential surface is engaged with the annular engaging recess formed on the inner circumferential surface of the recess. A rotatable cylinder is rotatably mounted around the outer periphery of the decorative dish with respect to the container body, and a first thread is provided on the outer periphery of the rotatable cylinder at an interval along the circumferential direction thereof. And a projection that is protruded and moved from the notch recess is formed, and an annular portion is formed at a position corresponding to the recess of the container body of the lid, and an inner peripheral wall of the annular portion is formed. The first screw of the rotating cylinder is spaced apart from each other along the circumferential direction. An elastic packing material for covering the decorative dish is provided on the inner surface of the annular portion, and the projection projecting from the notch recess at the closed position of the lid. By the movement, the first thread of the rotating cylinder and the second thread of the lid are screwed together, and the elastic packing material is pressed against the decorative dish or the upper end surface of the rotating cylinder. It is characterized by doing so.
[0008]
[Action]
According to the airtight compact container of the present invention having the above configuration, the annular engagement recess formed on the inner peripheral surface of the circular recess for accommodating the decorative dish formed on the container body has the annular convex formed on the outer peripheral surface thereof. By engaging the parts, the rotating cylinder body rotatably mounted on the container body around the outside of the decorative dish projects from the notch recess opened through the recess of the container body. By rotating the projection by moving the projection, the first thread of the rotating cylinder and the second thread of the lid are screwed together, and the elastic packing material provided on the lid is directly put on the decorative dish or rotated. It can be pressed against the upper end surface of the cylindrical body. That is, the rotating cylinder and the lid rotatably mounted on the container body are screwed together by the movement of the projection protruding from the notch recess, and the elastic packing material is attached to the upper end surface of the decorative dish or the rotating cylinder. On the other hand, the container body is simply closed according to the locking of the rotating cylinder to the lid while being pressed , and there is an assembling error such as a displacement of a hinge part which allows the lid and the container body to be freely opened and closed. The airtightness in the makeup dish can be sufficiently ensured without being influenced by the influence, and the assembling accuracy of the hinge portion that hinges the container body and the lid does not affect the sealability of the makeup dish.
[0009]
In addition, the elastic packing material is securely press-bonded when the rotary cylinder is screwed into the lid, so that the sealing property is improved.
[0010]
【Example】
Hereinafter, a preferred embodiment of the present invention will be described in detail with reference to the drawings. 1 to 5 show an airtight compact container according to a first embodiment of the present invention. This embodiment is basically the airtight compact case comprising hinged to the container body 10 and the lid 30 openably, the container body 10, a circular recess 11 and the concave for housing the cosmetic dish 16 Forming a notch recess 15 that is opened through the location 11 and engaging an annular projection 21 formed on the outer peripheral surface with an annular engagement recess 12 formed on the inner peripheral surface of the recess 11. The rotatable cylindrical body 20 is rotatably mounted around the outer periphery of the decorative dish 16 with respect to the container body 10, and the first cylindrical body 20 is provided on the outer periphery of the rotatable cylindrical body 20 at intervals along the circumferential direction thereof. In addition to forming the screw thread 22 , the protrusion 23 is formed so as to protrude from the notch recess 15 and is moved. And the inner peripheral wall of the concave portion 31 is Spaced apart, arranged a first screw thread 22 and the engageable second screw thread 32 is formed, and resilient packing material 33 which covers the decorative dish 16 in the recess 31 the inner surface of the turning cylinder 20 Then, the first screw 22 of the rotating cylinder 20 and the second screw 32 of the lid 30 are screwed together with the elasticity by the movement of the projection 23 projecting from the notch recess 15 at the closed position of the lid 30. The packing material 33 is configured to be pressed against the decorative dish 16. As shown, the airtight compact container of the present embodiment mainly includes a container body 10, a rotating cylinder 20 and a lid 30.
[0011]
The container body 10 and the lid 30 are substantially rectangular, and are hinged so as to be openable and closable by the pins 1 at the central sides. A recess 11 is formed on the upper surface of one end of the container body 10. The concave portion 11 is circular, and an engaging concave portion 12 is formed in an annular shape on the inner peripheral surface, and a rotating cylinder 20 is rotatably mounted therein. In addition, a laterally long cutout recess 15 is formed in a side portion 14 facing the hinge portion 13, and the cutout recess 15 is opened through the recess 11.
[0012]
The rotating cylindrical body 20 has a bottom, and its outer peripheral side wall is formed higher than the concave portion 11 of the container body 10 and smaller in diameter than the concave portion 11, and the outer peripheral surface thereof is fitted into the engaging concave portion 12 of the concave portion 11. A possible annular projection 21 is formed. By fitting the annular convex portion 21 into the engaging concave portion 12, a slight gap is formed between the bottom surface and the inner periphery of the concave portion 11 of the container body 10 and the bottom surface and the outer periphery of the rotating cylinder 20. In this state, the rotating cylinder 20 is rotatably mounted on the container body 10. In addition, a plurality of first threads 22 are provided on the outer periphery of the upper end portion of the rotating cylindrical body 20 at intervals along the circumferential direction so as to be inclined in the circumferential direction. Further, a projection 23 is formed on a part of the rotating cylinder 20, and when the rotating cylinder 20 is mounted on the container main body 10, the projection 23 projects from the cutout recess 15 of the container main body 10.
[0013]
Further, a makeup dish 16 for accommodating cosmetics is mounted in the rotating cylinder 20. The upper end of the decorative dish 16 is a flange 17 projecting outward, and the decorative dish 16 is fitted into the rotating cylinder 20 with the flange 17 covering the upper end of the rotating cylinder 20. I have.
[0014]
Further, a cavity 18 for accommodating a puff or the like is formed on the other end side of the container body 10.
[0015]
On the inner surface of the lid 30, an annular concave portion 31 is formed at a position corresponding to the concave portion 11 of the container body 10. A plurality of second threads 32, 32 engageable with the first threads 22 of the rotary cylinder 20 are provided at the lower end of the inner peripheral wall of the concave portion 31 at intervals along the circumferential direction. Are provided to be inclined in the circumferential direction. The second screw 32 is formed to be longer than the first screw 22. An elastic packing material 33 for hermetically holding the decorative dish 16 when the lid 30 is closed is incorporated into the inner surface of the concave portion 31. The elastic packing material 33 has a size sufficient to cover the flange portion 17 of the decorative dish 16, and has an annular sealing projection 34 formed on the outer periphery of the lower surface thereof.
[0016]
A concave portion 35 is formed at a position of the lid 30 corresponding to the empty space 18 of the container body 10, and a mirror 36 is adhered to an inner surface thereof.
[0017]
The rotating cylinder 20 having the above configuration is mounted on the container body 10, and the decorative dish 16 is engaged with the inside of the rotating cylinder 20. Then, when the lid 30 is closed, as shown in FIGS. 1 and 3, first, the second thread 32 of the lid 30 is located between the first threads 22 of the rotating cylinder 20 , The annular sealing projection 34 of the elastic packing material 33 abuts on the flange portion 17 of the decorative dish 16. At this time, the projection 23 of the rotating cylinder 20 is in contact with the side of the cutout recess 15 of the container body 10.
[0018]
Next, when the protrusion 23 of the rotating cylinder 20 is moved in the closing direction, that is, toward the end of the container body 10 as shown in FIG. 5, the lower surface of the first thread 22 of the rotating cylinder 20 is The upper surface of the second thread 32 of the lid 30 is screwed into the upper surface of the second screw 32 while slidingly contacting the same, and the annular sealing projection 34 of the elastic packing material 33 is pressed against the flange portion 17 of the decorative dish 16 to seal the interior of the decorative dish 16. . At this time, the rotating cylindrical body 20 is rotated by the container main body 10 by the engagement between the annular convex portion 21 formed on the outer periphery thereof and the engagement concave portion 12 formed on the inner periphery of the concave portion 11 of the container main body 10. Since the lid 30 is freely mounted, the lid 30 and the rotary cylinder 20 are directly rotated and screwed. That is, while the rotating cylinder 20 and the lid 30 engaged with the decorative dish 16 are screwed together and the elastic packing material 33 is pressed against the decorative dish 16, the container main body 10 is simply the lid of the rotating cylinder 20. It is configured to be closed in accordance with the engagement with the body 30, and the airtightness in the makeup dish 16 is not affected by an assembly error such as a displacement of a hinge part that allows the lid 30 and the container body 10 to be freely opened and closed. A sufficient accuracy can be ensured, and the assembling accuracy of the hinge for hingedly attaching the container body 10 and the lid 30 does not affect the sealing property of the decorative dish 16.
[0019]
Further, since the elastic packing material 33 is attached to the lid 30, the elastic packing material 33 is rubbed in the circumferential direction on the flange portion 17 of the decorative dish 16 when the lid 30 is screwed into the rotating cylinder 20. Since the pressure is applied while being pressed, the sealing performance is improved.
[0020]
When the projection 23 of the turning cylinder 20 is moved in the opening direction from the closed position, as shown in FIG. 4, the first screw 22 of the turning cylinder 20 and the second screw of the lid 30 are formed. 32 is released, and the lid 30 is opened.
[0021]
In this embodiment, the container body 10 and the lid 30 are hinged so as to be openable and closable by a pin 11 at the central side, respectively, and a notch recess 15 and a projection are formed at an end of the side 14 facing the hinge 13. Although the hinge 23 is formed, the hinge portion 13 and the notch recess 15 may be formed anywhere. For example, as shown in FIG. 6, the notch recess 15 and the projection 23 are formed at the end of the lid 30. May be.
[0022]
In this embodiment, the elastic packing material 33 presses against the flange portion 17 of the decorative dish 16 to seal the interior of the decorative dish 16. However, in the case of the decorative dish 16 having no flange portion 17, the rotating cylindrical body is used. The inside of the makeup dish 16 is sealed by pressing against the upper end surface of the dish 20.
[0023]
FIG. 7 shows an airtight compact container according to a second embodiment of the present invention. In this embodiment, a recess 11a is formed on the upper surface of one end of the container body 10a. A step 40 is formed below the peripheral wall of the recess 11a.
[0024]
The rotating cylinder 20a has a bottom, and its outer peripheral side wall is formed higher than the concave portion 11a of the container body 10a and smaller in diameter than the concave portion 11a, and a wide annular convex portion 21a is formed on its outer peripheral surface. . Then, the lower end of the annular convex portion 21a is engaged with the step portion 40 of the concave portion 11a, and an annular frame body 41 having a substantially T-shaped cross section is inserted from above the concave portion 11a, and the container body is ultrasonically bonded or the like. 10a, whereby the upper end of the annular projection 21a is locked, whereby a configuration corresponding to the engagement portion between the annular engagement recess and the annular projection of the first embodiment is obtained. With a slight gap formed between the bottom surface of the recess 11a of the container body 10a and the inner periphery of the frame 41 and the bottom surface and the outer periphery of the rotating cylinder 20a, the rotating cylinder 20a is attached to the container body 10a. It is mounted so that it can rotate freely. As described above, by using the frame body 41 as a separate member, assembly becomes easy.
[0025]
Further, a makeup dish 16a for accommodating cosmetics is mounted in the rotating cylinder 20a. The decorative dish 16a does not have a flange portion, and its height is formed lower than the height of the peripheral wall of the rotating cylindrical body 20a.
[0026]
Further, an annular concave portion 31a is formed on the inner surface of the lid 30a at a position corresponding to the concave portion 11a of the container body 10a. An elastic packing material 33a for hermetically holding the decorative dish 16a when the lid 30a is closed is incorporated into the inner surface of the concave portion 31a. The elastic packing material 33a is a ring-shaped plate, and is fixed to the lid 30a by a holding plate 42. An annular protrusion 44 is formed integrally with the elastic packing material 33a so as to correspond to the opening 43 of the rotating cylinder 20a, and is kept airtight by being fitted into the opening 43 of the rotating cylinder 20a. It is supposed to. An inclined surface 45 is formed on the outer peripheral side of the tip of the annular projecting piece 44. Further, a sealing projection 46 is provided annularly on the lower surface of the outer peripheral portion of the annular protruding piece 44 so as to correspond to the upper end surface of the rotating cylinder 20a. Other configurations and operations are the same as those in the first embodiment.
[0027]
FIG. 8 shows an airtight compact container according to a third embodiment of the present invention. In this embodiment, an annular upright wall 48 is formed on the upper surface of one end of the container body 10b via a recess 47, and the recess 11b is formed therein.
[0028]
The rotating cylinder 20b has no bottom, and its outer peripheral side wall is formed to be equal to the height of the standing wall 48, and a wide annular convex portion 21b is formed on its lower outer peripheral surface. Such a rotating cylinder 20b is inserted from above the recess 47, and further, an annular frame 41 having a substantially T-shaped cross section is inserted and fixed to the container body 10b by ultrasonic bonding or the like. By locking the upper end of 21b, a configuration corresponding to the engagement portion between the annular engagement concave portion and the annular convex portion of the first embodiment is obtained, and the bottom surface of the concave portion 47 of the container body 10b and With a small gap formed between the inner periphery of the frame 41 and the lower end, the inner periphery, and the outer periphery of the rotating cylinder 20b, only the rotating cylinder 20b is rotatable with respect to the container body 10b. It is installed. By using the frame 41 as a separate member in this manner, assembly is facilitated.
[0029]
In the recess 11b in the upright wall 48, a makeup dish 16b for storing cosmetics is mounted. The upper end of the decorative dish 16b is a flange 17b projecting outward, and the decorative dish 16b is engaged with the recess 11b in a state where the flange 17b covers the upright wall 48 and the upper end of the rotary cylinder 20b. It is worn and does not rotate. Other configurations and operations are the same as those in the first embodiment.
[0030]
【The invention's effect】
As described above, in the airtight compact container according to the present invention, in the airtight compact container in which the container body and the lid are hinged so as to be openable and closable, the container body has a circular recess and a recess for accommodating a decorative dish. A notch recess is formed through the opening , and the annular protrusion formed on the outer peripheral surface is engaged with the annular engaging recess formed on the inner peripheral surface of the recess, thereby forming the outer side of the decorative dish. A rotatable cylinder is rotatably mounted around the container body, and a first thread is formed on the outer circumference of the rotatable cylinder along the circumferential direction at an interval from each other, and a notch recess is formed. Forming a projection that is projected and moved from the place, forms an annular portion at a position corresponding to the recess of the container body of the lid, and is spaced apart from each other along the circumferential direction on the inner peripheral wall of the annular portion, Forming a second thread engageable with the first thread of the rotating cylinder; An elastic packing material for covering the decorative dish is disposed on the inner surface of the annular portion, and the first screw of the rotating cylinder and the second screw of the lid are moved by the movement of the projection projecting from the notch at the closed position of the lid. Since the strip is screwed and the elastic packing material comes into pressure contact with the upper end surface of the decorative dish or the rotating cylinder, the circular recess formed in the container body for storing the decorative dish is formed. A rotating cylindrical body rotatably mounted on the container body around the outside of the decorative dish by engaging an annular convex portion formed on the outer peripheral surface with an annular engaging concave portion formed on the peripheral surface. Is rotated by the movement of a projection projecting from a notch recess that is opened through the recess of the container body, so that the first screw of the rotating cylinder and the second screw of the lid can be formed. There screwed, while the elastic packing member provided on the lid is pressed against the upper end face of the direct cosmetic dish or turning cylinder The container body is simply closed in accordance with the engagement of the rotating cylinder with the lid, and is not affected by assembly errors such as deviations in the dimensions of the hinges that allow the lid and the container body to be freely opened and closed. The airtightness in the decorative dish can be sufficiently ensured, and the assembling accuracy of the hinge portion that hinges the container body and the lid does not affect the sealing property of the decorative dish.
[0031]
Further, since the elastic packing material is securely press-bonded when the rotating cylinder is screwed into the lid, the sealing performance is improved.
[Brief description of the drawings]
FIG. 1 is a longitudinal sectional view of a main part of an airtight compact container according to a first embodiment of the present invention.
FIG. 2 is a main part top view of the airtight compact container according to the first embodiment of the present invention.
FIG. 3 is a cross-sectional view of the airtight compact container according to the first embodiment of the present invention.
FIG. 4 is a cross-sectional view showing a state where a lid of the airtight compact container according to the first embodiment of the present invention is opened.
FIG. 5 is a perspective view of an airtight compact container according to the first embodiment of the present invention.
FIG. 6 is a perspective view showing another embodiment of the airtight compact container according to the first embodiment of the present invention.
FIG. 7 is a longitudinal sectional view of a main part of an airtight compact container according to a second embodiment of the present invention.
FIG. 8 is a longitudinal sectional view of a main part of an airtight compact container according to a third embodiment of the present invention.
[Explanation of symbols]
10, 10a, 10b Container body 11, 11a, 11b Concave portion 16, 16a, 16b Cosmetic dish 20, 20a, 20b Rotating cylinder 22 First screw 30, 30a Lid 32 Second screw 33 Elastic packing Lumber

Claims (1)

In an airtight compact container in which the container body and the lid are hinged to open and close freely,
The container body is formed with a circular recess for accommodating a decorative dish and a cutout recess that is opened through the recess, and has an annular engagement recess formed on the inner peripheral surface of the recess. A rotating cylinder is rotatably mounted on the container body around the outside of the decorative dish by engaging an annular convex portion formed on the outer peripheral surface thereof ,
A first screw is formed on the outer periphery of the rotating cylinder at intervals along the circumferential direction thereof, and a projection is formed to be protruded and moved from the notch recess,
An annular portion is formed at a position of the lid corresponding to the concave portion of the container body, and the first portion of the rotating cylindrical body is spaced from the inner peripheral wall of the annular portion along the circumferential direction thereof. Forming a second thread engageable with the thread of the above, and disposing an elastic packing material covering the decorative dish on the inner surface of the annular portion;
The first screw of the rotary cylinder and the second screw of the lid are screwed together by the movement of the projection projecting from the notch at the closed position of the lid, and the elastic packing is provided. An airtight compact container characterized in that a material is pressed against the upper end surface of the decorative dish or the rotating cylinder.

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