JP2002262927A - Compact container - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a compact container whose hinge part with a reinforcing structure for a hinge pin made of synthetic resin is made easily assembled and strongly reinforced. SOLUTION: This compact container is equipped with a container body 1 with hinge projecting parts 3, 3 to the body side to constitute a recess part 2 at the rear end and a lid body 20 suspending a hinge projecting part 21 to the lid body side to be fit into the recess part 2 on the rear end part. The hinge projecting parts 3, 3 to the body side and the hinge projecting part 21 to the lid body side are rotatably hinged together by inserting a hinge pin 40 made of synthetic resin. Cylindrical projections 26 with pin hole 27 are projected from both outsides of the hinge projecting part 21 and a reinforcing wall 9 sliding on the outer periphery faces of the cylindrical projections 26 is equipped at least under the rear opening end of the recess part 2.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a compact container for accommodating cosmetics, and more particularly, to a hinge of a compact container.

[0002]

2. Description of the Related Art In general, a compact container has a rear end portion of a synthetic resin container main body having a cosmetic accommodating portion and a lid covering an upper surface of the container main body, which are hinged to each other with hinge pins so as to be relatively rotatable. As the hinge pin of the hinge part, a metal hinge pin is overwhelmingly used because of its excellent strength and easy handling. As hinge pins of other materials, for example, hinge pins made of synthetic resin for a compact container proposed in Japanese Utility Model Laid-Open No. 55-95608 and rubber of a compact container proposed in Japanese Utility Model Application Laid-Open No. 6-48516 are used. Hinge pins are known.

[0003] In recent years, it has been desired to separate and collect materials of the same type for recycling of waste. When discarding used synthetic resin compact containers as garbage, metal hinge pins are used. The use of hinge pins made of synthetic resin has been reconsidered because the time and effort for separation are eliminated. However, hinge pins made of synthetic resin have a disadvantage that they are lower in strength than metal hinge pins and are easily broken when subjected to shearing force.

To cope with this problem, Japanese Unexamined Patent Publication No.
As shown in FIG. 12, the hinge projections 51 of the container body 51 and the lid 52 constituting the hinge portion into which the hinge pin 50 made of synthetic resin is inserted are disclosed in Japanese Patent Application Publication No. 1-285411.
a and 52a are formed around the hinge pin 50 so as to surround the hinge pin 50 so as to be closely fitted to each other so as to be relatively rotatable relative to each other. There has been proposed a structure in which the hinge pin 50 made of synthetic resin is prevented from being damaged by being received by the concave portion 53 and the annular protrusion 54.

[0005]

However, in the above-mentioned device, the annular recess 53 and the annular projection 54 are forcibly fitted to the container body 51 in the same manner as a conventional well-known simple hinge that does not use a hinge pin. Since the hinge 52 is temporarily fixed to the lid 52 in a rotatable simple hinge shape, and the hinge pin 50 is further inserted into the hinge, the annular recess 53 and the annular protrusion 54 are forcibly fitted. In addition, assembly work was difficult due to the occurrence of resistance, and production efficiency was poor. In addition, since the fitting portion retains the elasticity necessary for climbing over during the fitting work between the annular concave portion 53 and the annular projecting portion 54, the design of the fitting portion is largely limited. was difficult.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-described problems, and has an object to provide a structure in which a hinge portion having a hinge pin reinforcing structure can be easily assembled and has a strong reinforcing structure.

[0007]

According to the present invention, there is provided a container body having a main body-side hinge projection forming a recess at a rear end, and a lid-side hinge projection fitted into the recess at the rear end. A compact container comprising: a main body side projection and a lid side hinge projection inserted through a synthetic resin hinge pin and hinged so as to be freely rotatable. A cylindrical projection having a pin hole is formed on both outer sides thereof, and a reinforcing wall is provided at least at a lower portion of a rear opening end of the recess so as to be in sliding contact with an outer peripheral surface of the cylindrical projection.

[0008] With the above-described structure, the hinge projection of the lid side can be fitted and assembled into the recess of the main body without resistance, and the assembling operation of the container main body and the lid before pinning can be performed smoothly. . After hitting the pin, the load on the hinge part, which acts as the most excessive shear force on the hinge pin when opening and closing the lid, is received by the projection on the lid side and the reinforcing wall on the container body, and the hinge pin is damaged. To prevent

An arcuate guide groove is formed on the upper side of the outer peripheral surface of the cylindrical projection along the lower surface of the side wall projection of the lid side hinge projection, and the reinforcing wall is slidable in the guide groove. Due to the circular arc shape, when the lid is opened and closed, the arc-shaped reinforcing wall is inserted into the arc-shaped guide groove in a close state and slides. Therefore, the opening and closing movement of the lid body is guided by the guide groove to reliably prevent the shaft from swinging due to the opening and closing, and when the lid is opened, the hinge pin is triple surrounded by the rear lower side of the hinge part. Because it is supported, the strength drop of the synthetic resin hinge pin when opening and closing the lid is reliably reinforced.

[0010]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

FIGS. 1 to 4 show a first embodiment of a compact container according to the present invention, which is shown in FIG. 1 and a lid body 20 shown in FIG. 1 and having a lid-side hinge projection 21 hanging at the rear end thereof and fitted into the recess 1 as shown in FIGS. 3 and 4. The main body-side projection 21 and the lid-side hinge projection 3 are rotatably hinged by inserting a hinge pin 40 made of synthetic resin.

The container body 1 is formed of a synthetic resin material in the shape of a rectangular box having a storage part 4 with an open top for loading cosmetics, and a notch recess 5 provided at the front end has an outward hook. 6 is provided at the lower part of the main body side hinge projections 3, 3 constituting the rear end recess 2, and a peep portion 10 a through which tubular synthetic resin hinge pins 40, 40 are inserted. Is formed.

A U-shaped vertical groove 8 having an insertion opening 7 opened upward is provided inside each of the main body side hinge projections 3 and 3 constituting the recess 2 so as to face each other. Each inner edge of the main body side hinge protrusions 3, which constitute the groove 8, serves as a reinforcing wall 9 at the rear open end of the recess 2.

On the other hand, the lid 20 is formed of a synthetic resin material in a shallow dish shape which rotatably covers the upper surface of the container body 1 and a makeup mirror 23 is formed in a shallow concave portion 22 formed on the back surface.
Is attached, and a front wall 25 having an inward hook 24 that engages with the outward hook 6 of the container body 1 is vertically provided at the tip end.

A cylindrical projection 26 having a pin hole 27 formed therein is provided at the lower end on both outer sides of the lid-side hinge projection 21. The outer diameter of the cylindrical projection 26 is set to the body-side hinge projection. Part 3,
3 has a width substantially equal to the width of the vertical groove 8, and
The dimension is set so that it can be inserted smoothly from above and can slide on the inner surface of the reinforcing wall 9. Therefore, it is also possible to increase the amount of projection of the cylindrical projection 26 and the depth of the vertical groove 8 to increase the sliding contact portion between the outer peripheral surface of the cylindrical projection 26 and the inner surface of the reinforcing wall 9 to obtain a strong reinforcing structure. .

When the container body 1 and the lid 20 are hinged, the cylindrical projection 26 is inserted into the vertical groove 8 from the insertion opening 7 to insert the lid 20 into the lid 20.
Then, the upper surface of the container main body 1 is covered, and the hooks 6 and 24 are engaged to close the lid. The outer peripheral surface of the cylindrical projection 26 at the hinge portion where the hinge pin 40 is inserted is in slidable contact with the inner surface of the reinforcing wall 9 in three directions, and the load applied to the hinge portion generated by the opening and closing movement of the lid 20 is reduced. Most is received by the cylindrical projection 26 and the reinforcing wall 9 to reinforce the reduction in strength when the hinge pin 40 is made of a synthetic resin.

The breakage of the hinge portion caused by the opening and closing movement of the lid 20 is usually caused by a load acting downward and rearward of the hinge portion indicated by an arrow in FIG. That is, the lid 20
The load on the hinge portion rearward and downward due to the opening / closing movement, particularly the load further applied to the opened lid 20, is the most excessive load that causes the hinge pin 40 made of synthetic resin to shear.
For this reason, FIGS. 5 and 6 show another embodiment of the container body 1 combined with the lid 20 shown in FIG.

FIG. 5 shows that the reinforcing wall 9 is provided in an L-shape at the rear opening end of the concave portion 2 of the container body 1, and the inner surface of the reinforcing wall 9 and at least the cylindrical projection 26 of the lid 20 shown in FIG. The structure is such that the rear side of the outer peripheral surface is slidably in contact with and supported, whereby a reduction in strength at the time of opening and closing when the hinge pin 40 is made of synthetic resin can be reinforced.

FIG. 6 shows an inverted U-shaped vertical groove 8 having a downwardly open insertion opening 7 provided inside each of the main body side hinge projections 3 of the container main body 1 so as to face each other. The rear wall constituting the groove 8 is a reinforcing wall 9. The lid 20 shown in FIG. 1 is inserted into the container body 1 through the insertion opening 7 which is open downward, and is hinged, so that the inner surface of the reinforcing wall 9 and the outer peripheral surface of the cylindrical projection 26 are formed. Of the hinge pin 40 is made of a synthetic resin.

FIGS. 7 to 9 show a second embodiment of a compact container according to the present invention. Since this embodiment is basically the same as the one described above, FIG. In this embodiment, the same reference numerals are given to parts common to the above embodiment, and the description thereof will be omitted.

As shown in FIG. 7, the lid-side hinge projection 21 of the lid 20 in the present embodiment has a lid-side hinge projection 2.
A cylindrical projection 26 is projected from both sides of the cylindrical projection 1, and an arc-shaped guide groove is formed with the lower surface of the side wall projection 27 of the lid side hinge projection 21 on the upper side of the outer peripheral surface of the cylindrical projection 26. 28 are formed.

On the other hand, in the container body 1 combined with the above-mentioned lid 20, as shown in FIG.
And a lower part 9a along each inner lower edge of the main body side hinge projections 3, 3 and an arc part 9b rising from the lower part 9a along the rear edge. With the above configuration, the assembly of the lid 20 and the container body 1 is performed without resistance, and when the lid 20 is opened and closed, the arc-shaped guide groove 28 of the lid 20 is inserted into the arc-shaped portion 9b of the reinforcing wall 9. Is inserted in close contact and slides.

Therefore, the opening and closing movement of the lid 20 is controlled by the guide grooves 28.
As shown in FIG. 9, when the cover is opened, the hinge pin 40 is supported in a triple surrounding manner at the lower rear side of the hinge portion. The strength reduction of the synthetic resin hinge pin 40 when opening and closing the body 20 is reliably reinforced.

In the embodiment shown in FIGS. 10 and 11,
The entire outer surface of the reinforcing wall 9 of the container body 1 is formed in an arc shape, and the inside of the reinforcing wall 9 is an upwardly open groove having a width substantially the same as the diameter of the cylindrical projection 26 of the lid-side hinge projection 21. 11
It is formed in.

Therefore, the assembly of the lid 20 and the container body 1 is performed without resistance. Further, when the lid 20 is opened and closed, the arc-shaped reinforcing wall 9 slides in the arc-shaped guide groove 28 of the lid 20 in a close contact state, thereby reliably preventing the hinge shaft from being shaken due to the opening and closing. As shown in FIG. 11, when the lid is opened, the hinge pins 40 are triple-enclosed and supported on the lower half side of the hinge portion, and the strength of the synthetic resin hinge pins 40 when opening and closing the lid 20 is more reliably reduced. Can be reinforced.

[0026]

The present invention is embodied in the form described above, and has the following effects.

On both outer sides of the hinge projection on the lid side, a cylindrical projection having a pin hole formed therein is protruded, and a reinforcing wall which is in sliding contact with the outer peripheral surface of the cylindrical projection is provided at least below the rear opening end of the recess. Because of the configuration provided, the assembly work of the container body and the lid can be performed smoothly, and the load on the lower rear part of the hinge that shears the synthetic resin hinge pin when opening and closing the lid is applied to the lid and the container body. To prevent the hinge pin from being damaged. In addition, unlike the conventional example, since there is no work of climbing over the annular concave portion and the annular protrusion during the assembling operation, the design limitation is small, and the sliding contact between the outer peripheral surface of the cylindrical projection and the inner surface of the reinforcing wall is performed. A strong reinforcement structure with a large portion can be obtained.

An arcuate guide groove is formed on the outer peripheral surface of the cylindrical projection on the upper side of the hinge projection on the lid side along the lower surface of the side wall projection, and the reinforcing wall can slide in the guide groove. The hinge is formed in an arc shape, so that hinge hinges are reliably prevented from opening and closing when the lid is opened and closed, and the hinge pins are triple-enclosed at the rear lower side of the hinge when the lid is most likely to be subjected to shearing force. By doing so, it is possible to reliably reinforce the strength reduction of the synthetic resin hinge pin.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a lid of a compact container according to a first embodiment of the present invention.

FIG. 2 is a perspective view showing a container main body combined with the lid of FIG. 1;

FIG. 3 is a cross-sectional view of a main part in which the lid of FIG. 1 and the container body of FIG. 2 are assembled.

FIG. 4 is a sectional view showing an operation state of a main part formed by assembling the lid of FIG. 1 and the container body of FIG. 2;

FIG. 5 is a perspective view showing another container body used in the first embodiment.

FIG. 6 is a perspective view showing another container body used in the first embodiment.

FIG. 7 is a perspective view showing a lid according to a second embodiment of the compact container of the present invention.

FIG. 8 is a perspective view showing a container body combined with the lid of FIG. 7;

FIG. 9 is an explanatory view showing an operation state of a main part formed by assembling the lid of FIG. 7 and the container body of FIG. 8;

FIG. 10 is a perspective view showing another container body used in the second embodiment.

FIG. 11 is an explanatory view showing an operation state of a main part using the container body of FIG. 10;

FIG. 12 is a cross-sectional view of a main part showing a conventional example.

[Explanation of symbols]

1 container body, 2 recess, 3, 3 hinge protrusion on body side,
9 Reinforcement wall, 10 pin hole, 20 lid, 21 lid side hinge projection, 26 cylindrical projection, 27 pin hole, 28
Guide groove, 29 side wall protrusion, 40 hinge pin,

Claims (2)

[Claims] 1. A container body having a main body-side hinge projection forming a recess at a rear end thereof, and a lid body having a lid-side hinge projection inserted into the recess at a rear end thereof. In a compact container in which the hinge hinges on the body side and the hinges on the lid are hinged rotatably by inserting hinge pins made of synthetic resin, pin holes are formed on both outer sides of the hinges on the lid. A compact container having a perforated cylindrical projection protruding therefrom and a reinforcing wall at least at a lower portion of a rear opening end of the recess to be in sliding contact with an outer peripheral surface of the cylindrical projection. 2. An arc-shaped guide groove is formed on the upper side of the outer peripheral surface of the cylindrical protrusion along the lower surface of the side wall protrusion of the lid-side hinge protrusion, and the reinforcing wall is slidable in the guide groove. 2. The compact container according to claim 1, wherein the container is formed in an arc shape.