JP3305510B2 - Cap and container with lid plate made of synthetic resin with elastic reversal - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cap and a container having a cover plate which is elastically inverted.

[0002]

2. Description of the Related Art Conventionally, various caps or containers with a lid plate that is elastically inverted are known. For example, the invention of Japanese Utility Model Application Laid-Open No. 2-102368 discloses a container having a circular cross section and a top surface of the main body. And a wide elastic band plate having a lower end edge and an upper end edge connected to the main body and the rear surface of the lid plate via thin hinges, respectively. When viewed from the rear, the lower thin hinge is formed in a trapezoidal shape, and the upper thin hinge is formed in an inverted trapezoidal shape.

[0003]

SUMMARY OF THE INVENTION As in the above-mentioned container and the like,
In a container or the like in which the container body and the like and a lid plate for closing the upper surface of the body are connected via elastic bands at their respective rear portions, a thin hinge at the lower end side of the elastic band plate and a thin hinge at the upper end side of the elastic band plate are provided. Since the thin hinge has an opposite shape when viewed from the rear, for example, in the above-described conventional example, the thin hinge is formed into a normal trapezoidal shape and an inverted trapezoidal shape. Therefore, the upper thin hinge shape needs to be opposite to the lower thin hinge shape. Above, the rear surface of the lid plate will be required to have a certain height, therefore, the peripheral wall is suspended from the outer periphery of the lid plate top wall,
It was necessary to form the upper thin hinge at the rear portion of the peripheral wall.

However, in such a case, in the case of a cover plate having no peripheral wall, the cover plate cannot be elastically inverted.

According to the present invention, regardless of the shape of the lower thin hinge, the upper edge of the elastic strip is connected substantially horizontally to the lower edge of the rear portion of the lid via the upper thin hinge, so that the lid can be mounted with or without the peripheral wall. This makes it possible to reverse the elasticity, and in this way, it is possible to improve the appearance of the rear surface of the lid plate by minimizing the connecting portion of the upper thin hinge particularly to the rear portion of the lid plate. It was done.

[0006]

Means for Solving the Problems A cap body 1 having grooves 5 and 5 vertically formed on both left and right portions of a rear surface of a cylindrical peripheral wall 4 and having upper and rear surfaces opened and a lower surface inclined downward and outward. When,
A lid plate mounted on the upper surface of the cap body, and a hinge mechanism for connecting the rear surfaces of the cap body and the lid plate to the cap body so that the lid plate can be opened and closed by elastic inversion. The mechanism includes a first thin hinge 10 for connecting the rear upper end edge of the cap main body peripheral wall 4 and the lower end edge of the cover plate rear obliquely rearward, and is fitted into the grooves 5 and 5 and inclined obliquely outward. The rear edge of the lower surface is connected to the inclined surfaces 6 and 6 of the lower surface of the groove via the second thin hinges 11, and the rear edge of the upper end is connected to the rear surface of the lid plate 7 via the third thin hinges 12. And elastic strips 13 and 13 connected to the lower ends of the left and right portions.

A container body 1 having grooves 5 and 5 vertically formed on both left and right portions of a rear surface of a cylindrical peripheral wall 4 and having upper and rear surfaces opened and lower surfaces formed as inclined surfaces 6 and 6 extending downward and outward; A lid plate mounted on the upper surface of the container body, and a hinge mechanism for connecting the rear surfaces of the container body and the lid plate to the container body so that the lid plate can be opened and closed by elastic reversal. The first thin hinge 10 connects the rear upper edge of the container body peripheral wall 4 and the lower edge of the rear portion of the lid plate obliquely rearward, and is fitted into the grooves 5 and 5 and inclined obliquely outward. The rear edge of the lower surface is connected to the inclined surfaces 6, 6 at the lower surface of the groove via the second thin hinges 11, 11, and the rear edge of the upper end is connected to the rear surface of the cover plate 7 via the third thin hinges 12, 12. Elastic strips 13, 13 connected to the lower ends of both left and right parts
And formed.

[0008]

When the front portion of the lid plate 7 is pushed up against the cap body 1 from the closed state shown in FIG.
The lid is opened by rotation about 10. When the lid is opened, as shown in FIG. 3, the lid plate portion connected to the outer edge A1 of the third thin hinge 12 is moved from the position of the outer edge O1 of the first thin hinge 10 to the outside of the third thin hinge 12. Distance R1 to edge A1
Move along a two-dot chain line arc a1 having a radius of.

However, the outer edge of the upper end of the elastic strip 13 connected to the outer edge A1 of the third thin hinge 12 is centered on the rear edge O2 of the lower end of the lower surface of the elastic strip, and the outer edge of the third thin hinge is outside the rear edge O2. An attempt is made to move along an arc a2 whose radius is the distance R2 to the edge A1.

Therefore, the cover plate 7 rotates between the arcs a1 and a2 while elastically deforming the first thin hinge 10, the elastic strip 13 and the like, and the distance between the arcs a1 and a2. Opening the cover by reversing the elasticity, using the position where is maximized as a thought point.

Even when the lid is closed, the lid plate 7 is elastically inverted.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Reference numeral 1 denotes a cap body, the cap body hanging down from a peripheral edge of a circular top wall 3 having a mouth 2 to a cylindrical peripheral wall 4,
Open the top and rear surfaces on both the left and right sides of the rear surface of the peripheral wall,
Grooves 5 and 5 having lower surfaces inclined downward and outward are provided vertically. In the illustrated example, the outer periphery of the top wall 3 is formed lower and the inner portion surrounded by the outer periphery is formed slightly higher. However, the top wall 3 may be formed flush, or the opening 2 may be largely opened.

Reference numeral 7 denotes a cover plate that covers the upper surface of the top wall 3 by closing the mouth. In the illustrated example, the short cylindrical peripheral wall 9 hangs down from the outer periphery of the top plate 8, but it may be formed only by the top plate.

The cap body and the lid plate are connected to each other by a hinge mechanism at each rear surface so that the lid plate can be opened and closed by elastic inversion. The hinge mechanism includes a first thin hinge 10 for connecting a rear upper end edge of the cap main body peripheral wall 4 and a lower end edge of a rear portion of the cover plate obliquely rearward, and fits into the above-described grooves 5 and 5 to lower the obliquely. The rear edge of the lower surface that slopes outward is connected to the second thin hinge 1
The rear edge of the upper end is connected to the rear edges of the inclined surfaces 6 and 6 on the lower surface of the grooves 5 and 5 via the first and the 11th, and the rear edge of the upper end is connected to the lower ends of the left and right portions of the rear surface of the cover plate 7 via the third thin hinges 12 and 12. Elastic strips 13, 13
And formed.

The cap with the cover plate has elasticity as appropriate.
Also, it is integrally formed of a synthetic resin material having high refraction resistance. The integral molding is performed in the open state shown in FIG. In the open state, the lower surface of the cover plate 7 (the upper surface in the open state) is located slightly below the height of the upper surface of the outer peripheral portion of the top wall of the cap body 1 as shown in FIG. In the opened state, the first thin hinge 10 is inclined downward and rearward as shown in FIG.

The cap body 1 described above can be formed as a container body simply by closing the lower end surface of the peripheral wall. In this case, only the bottom plate may be separately molded and fitted to the lower end of the peripheral wall,
As shown in FIG. 5, the cylindrical peripheral wall 4 may be erected from the peripheral edge of the bottom wall 15 to open the entire upper surface of the peripheral wall. As described above, the cap and the container of the present invention may have the same structure except for the presence or absence of the bottom wall. Therefore, the description of the cap described above also serves as the description of the container.

[0017]

According to the present invention, the rear upper end edge of the cylindrical cap body peripheral wall 4 and the lower end edge of the rear end of the lid 7 are connected to each other by the first thin hinge 10 obliquely downward and rearward. ,
Elastic strips 13, 13 which are vertically installed on both left and right portions on the rear surface of the cap main body peripheral wall and have lower surfaces inclined downward and outward into grooves 5, 5 having lower surfaces inclined downwardly 6, 6, respectively. The rear edge of the lower surface and the rear edge of the inclined surface of the groove are connected to the second thin hinges 11 and 11.
And, the upper edge rear edge of the elastic plate to the lower left and right portions of the rear surface of the strip
Since the first and third thin hinges 10, 12, 12 are connected via the third thin hinges 12, 12, respectively, the first and third thin hinges 10, 12, 12 are connected substantially linearly to the rear part of the rear surface of the cover plate 7 and the lower ends on both sides of the rear part. Since the thin hinge on the upper side is not formed so as to have an inverted trapezoidal shape as viewed from the rear of the cap as in the conventional example described above, the cap body and the lid plate, or the cap body and the second thin hinge 11 are used. The first and third thin hinge connection portions between the upper end of the connected elastic plate 13 and the lid plate 7 can be minimized, so that the appearance of the lid plate, particularly the rear surface of the lid plate, can be improved. . Third thin hinge
12 and 12 are provided at the connection between the rear edges of the upper ends of the elastic strips 12 and 12 and the lower ends of the left and right portions of the rear surface of the cover plate 7, so that the height of the cover plate 7 may be low. 7 can be formed only by the top plate 8, so that the regulation of the cap design from the cap configuration can be reduced.

The container according to the second aspect of the invention has the same effect as the first aspect of the invention, except that the cap body in the first aspect of the invention is replaced with a container body.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a cap or container according to the present invention in an opened state.

FIG. 2 is a perspective view of a cap or container shown in a closed state of a cover plate.

FIG. 3 is an enlarged side view of a main part of a cap or a container, which is shown in a cover plate opened state.

FIG. 4 is a plan view of a main part of FIG. 3;

FIG. 5 is a perspective view showing another example container in an open state.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Cap main body (container main body) 5 Groove 7 Lid plate 10 1st thin hinge 11 2nd thin hinge 12 3rd thin hinge 13 Elastic strip

Claims (2)

(57) [Claims] 1. A cap body 1 having vertically provided grooves 5 and 5 having an upper surface and a rear surface open and a lower surface inclined downward and outward on both left and right portions of a rear surface of a cylindrical peripheral wall 4. A lid plate 7 placed on the upper surface of the main body, and a hinge mechanism for connecting the rear surfaces of the cap body and the lid plate to the cap body so that the lid plate can be opened and closed by elastic reversal, and the hinge mechanism is A first thin hinge 10 for connecting the rear upper end edge of the cap main body peripheral wall 4 and the lower end edge of the rear portion of the lid plate obliquely rearward,
The lower edge trailing edge, which is fitted into the grooves 5, 5 and tilts obliquely outwardly, is connected to the inclined edge 6, 6 on the lower surface of the groove via second thin hinges 11, 11, and the upper edge. An elastic inverting synthetic resin lid plate having a trailing edge formed by elastic strips 13 connected to lower left and right lower ends of the rear surface of the lid plate 7 via third thin hinges 12; With cap. 2. An upper surface and a rear surface are opened on both left and right portions of a rear surface of the cylindrical peripheral wall 4, and a lower surface is inclined downward and outward.
The container body 1 having the grooves 5 and 5 vertically set therein, the cover plate 7 placed on the upper surface of the container body, and the rear surfaces of the container body and the cover plate are elastically attached to the container body. It consists of a hinge mechanism that can be freely opened and closed by inversion, and the hinge mechanism is
A first thin hinge 10 that connects the rear upper end edge of the container main body peripheral wall 4 and the lower end edge of the rear portion of the lid plate obliquely rearward, and a lower rear surface that is fitted into the grooves 5 and 5 and inclined obliquely outward. The edges are connected to the inclined surfaces 6, 6 on the lower surface of the groove via the second thin hinges 11, 11, and the rear edges of the upper end are connected to the left and right sides of the rear surface of the lid plate 7 via the third thin hinges 12, 12. Elastic strip 13 connected to the lower end
13. A container with a cover plate made of synthetic resin that is reversible in elasticity, characterized in that it is made of